You are investigating a newly discovered ion channel, and you hypothesize that the last 50 C-terminal residues of the protein causes the channel to open only above a certain membrane potential. Describe an experiment or set of experiments that would test whether the ion channel is voltage-gated and would determine if the last 50 residues are responsible for inactivation.

Answers

Answer 1

Ion channels are protein complexes that are essential for the selective movement of charged ions across cell membranes. The functioning of ion channels depends on various factors, including voltage and intracellular and extracellular ion concentrations.

In this case, we are investigating a newly discovered ion channel, and we hypothesize that the last 50 C-terminal residues of the protein cause the channel to open only above a certain membrane potential. To determine if the ion channel is voltage-gated and the last 50 residues are responsible for inactivation, we need to conduct experiments that will test the hypothesis.

Here is an experiment or set of experiments that would test whether the ion channel is voltage-gated and determine if the last 50 residues are responsible for inactivation: MutagenesisThe first experiment would involve mutagenesis.

A mutant ion channel will be generated by deleting the last 50 residues of the C-terminal region.

After this, the activity of the mutant channel will be compared to the wild-type channel. If the mutant channel exhibits altered properties such as a change in conductance or an altered voltage dependence, it would suggest that the last 50 residues of the C-terminal region are indeed critical for channel function.

Voltage Clamp Electrophysiology Another experiment would be to perform voltage clamp electrophysiology experiments. In these experiments, the ion channel will be inserted into an artificial lipid bilayer. By varying the voltage across the membrane, the opening and closing of the ion channel can be monitored. The experiments will be conducted on both the wild-type and the mutant channel.

If the mutant channel does not open at a particular voltage that opens the wild-type channel, it would suggest that the last 50 residues are responsible for the voltage-dependent gating of the channel. Further experiments would be conducted to verify the validity of the initial results obtained from the two experiments above.

In conclusion, mutagenesis and voltage clamp electrophysiology are two experimental techniques that can be used to test whether the ion channel is voltage-gated and determine if the last 50 residues are responsible for inactivation.

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Related Questions


3. Explain why farmers use pesticides even though they are one of the leading pollutants.

Answers

Answer:

They keep the plants safe from vermin that would seek to destroy them.

Explanation:

Answer:

They keep the plants safe from vermin that would seek to destroy them.

Explanation:

100 PTS + BRAINLIEST!! NEED NOW. LOOK AT IMAGE BELOW.

100 PTS + BRAINLIEST!! NEED NOW. LOOK AT IMAGE BELOW.

Answers

Answer:

Pollution

Explanation:

If the human population surpasses Earth's global capacity, there will be degradation of land, air, and water with increased pollution.

an adult elephant is much larger than a baby elephant Because it's cells are much larger?

Answers

Answer:-So beacuse the size of the cells in different organisms does not vary an elephant won't have larger cells than a rat. It has more number of cells as compared to the number of cells in a rat. But the size of the cells are same..!

The question of whether cells are bigger in larger mammals than in smaller ones — think of an elephant's liver cell compared with a liver cell from a mouse — is usually answered by saying that larger mammals don't typically have bigger cells, they just have more of them.

Animals can vary enormously in size, but they're alike in at least one way. The individual cells that compose all of their bodies--from shrews to people to dinosaurs--are roughly the same size. Big animals just have many more cells than little animals.

Cell is the basic unit of life. Yes, the cells of ant and elephant are same. All organisms are made up of cells and they are of different sizes and shapes. Size of cell does not make any difference between the ant and elephant but its the number of cells which makes such differences in their body sizes.

Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer

Answers

Answer:

The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.

Explanation:

What is a simple definition of cell wall?

Answers

Answer: plant cell - gives it structure.

Explanation:

The cell wall is the outer covering of a cell, present adjacent to the cell membrane, which is also called the plasma membrane. As mentioned earlier, the cell wall is present in all plant cells, fungi, bacteria, algae, and some archaea.

What is Cell wall ?

The cell wall is the plant cell's outermost layer. Only few fungi, bacteria, and algae as well as some plants have cell walls. It exists outside of the cell membrane and has a rough, flexible, and occasionally hard texture.

It safeguards the cell and guards against any physical harm. The cell has structure thanks to it. Osmotic bursting is avoided. It guards against mechanical harm to the protoplasm.

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Veronica wrote Charles Darwin’s main points on the board, but she made a mistake in one point.

1. Since more offspring are produced than an environment can support, organisms within a population must compete for resources to survive.

2. Due to variations within the population, some competitors will be better equipped for survival than others.

3. The best-equipped organisms will survive and will produce well-equipped offspring.

4. Variations that help with survival will be passed on to future generations and will rapidly change the whole population.

Which point is flawed as written above?

Answers

Point number 1 is the point that is flawed. Darwin never mentioned that more offspring would be produced than can survive just that the better adapted ones will survive.

How many different kinds of proteins does one cell have?

Answers

Answer:

90-140 million proteins

Explanation:

that's the answer

Answer:

90-140 million

Explanation:

:)

Some vitamins are mostly found in animal-based foods, while some vitamins are abundant in plant-based foods. The best source of vitamin C is ____ , while ____ is naturally rich in vitamin B12. First blank: cheddar cheese, strawberries, lentils Second blank: fish, broccoli, peanut butter

Answers

Answer:

I did this for my test and had them correct

1. strawberries

2. fish

Explanation:

Some vitamins are mostly found in animal-based foods, while some vitamins are abundant in plant-based

As per the given scenario, The best source of vitamin C is strawberries, while fish is naturally rich in vitamin B12. The correct option for first blank is B, and for second one is A.

What are vitamins?

A vitamin is an organic molecule that is an essential micronutrient that an organism requires in small amounts for proper metabolism function.

Fat-soluble vitamins are stored in the liver, fatty tissue, and muscles of the body. Vitamins A, D, E, and K are the four fat-soluble vitamins.

Water-soluble vitamins do not accumulate in the body. Vitamin C and all of the B vitamins are among the nine water-soluble vitamins.

As per the given scenario, The best source of vitamin C is strawberries, while fish is naturally rich in vitamin B12.

Thus, the correct option for first blank is B, and for second one is A.

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The pathogenesis of pneumonia includes the inhalation of microbial agents and the resulting of which of the following? (Select all that apply.) Inflammation Lung consolidation Formation of exudates Alveolar wall thickening Decreased lung compliance

Answers

Answer:

Inflammation

Lung consolidation

Formation of exudates

Explanation:

Pneumonia could be caused by Bacteria, viruses, and fungi. The air sacs are usually affected and characterized by presence of pus in the sacs. It could be serious and life threatening and can be treated with antibiotics.

The pathogenesis of pneumonia includes the inhalation of microbial agents, Inflammation , Lung consolidation and Formation of exudates.

Photosynthesis is the process through which an organism internally makes food by breaking down sunlight. Organisms that make food through photosynthesis are classified as "autotrophs," as opposed to "heterotrophs," which must consume other organisms to make their food. (SC. 912. L. 15. 6)


Which three kingdoms have organisms that can photosynthesize?

Answers

Three kingdoms that have organisms capable of photosynthesis are:

PlantaeProtistaBacteria

Plantae: Plants are the fundamental organisms involved in photosynthesis. Plants have developed specialized structures and adaptations to capture sunlight and perform the photosynthetic process. The capacity to transform sunlight into energy distinguishes plants from autotrophs.Protista: Within the Protista kingdom, an alga is a group of organisms that are capable of photosynthesis. Algae come in a variety of shapes and sizes, ranging from unicellular organisms to multicellular organisms. Algae can be found in both freshwater and marine ecosystems.Bacteria: Bacteria are generally heterotrophic organisms, however, some species within the Kingdom of Bacteria have evolved the capacity to generate energy through photosynthesis. For example, cyanobacteria are characterized by their ability to generate energy from sunlight, and they inhabit a variety of aquatic and terrestrial environments.

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explain how blood flow in the skin helps to maintain a constant body temperature in very hot conditions.

Answers

Answer:

The skin immense blood supply helps regulate temperature

Explanation:

The skin immense blood supply helps regulate temperature

write a conversation between a proton, neutron, and electron. Make sure what they say shows their characteristics and who they are.

help me solve it please

Answers

Answer:

Proton:We should listen to the teache,stop talking neutron.

Neutron:Oh shush it Proton you're always so positive I can't help it,I'm just to negative and I don't like being positive.

Electron:Guys stop fighting please.

Explanation:

A Proton is a positive atom

A neutron us a negative atom

A electron is just something that isn't really that important

histology lab tissues are groups of cells with similar shape and function what is the primary purpose of all epithelium tissue?

Answers

The primary purpose of all epithelium tissue is to cover and protect body surfaces.

The epithelium is a type of tissue whose primary function is to cover and protect the surface of the body but may also form ducts and glands, or specialize in secretion excretion absorption and lubrication. Epithelial tissue protects various aspects of the body. For example, the skin is composed of epithelial tissue.

A group of organizations is arranged precisely so that they can work together to perform a specific function. A tissue is a collection of cells with similar structures and functions. The main types of body tissue include epithelial, connective, muscle, and nerve tissue. They form layers of tightly bound cells or curl into tubes. Epithelial cells lie on top of the basement membrane. Epithelial cells have two distinct flanks apical and basolateral.

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QUESTION 1 The diagram represents the circulatory system of a human. 5- liver 4 X 1.1 What type of circulatory system is illustrated in the diagram above? (1)​

Answers

Answer:

Double circulatory system

Explanation:

I do not see any diagram, so forgive me if I am wrong, but if we are talking about the circulatory system of a human, that is a double circulatory system.

which trace mineral is an essential component of thyroid hormones? group of answer choices iron iodine zinc chromium

Answers

The trace mineral that is an essential component of thyroid hormones is iodine, option B is correct.

Iodine plays a crucial role in the synthesis of thyroid hormones, including thyroxine \((T_4)\) and triiodothyronine \((T_3)\), which are responsible for regulating the body's metabolism. These hormones are produced by the thyroid gland and require iodine to be incorporated into their structure.

Without adequate iodine, the thyroid gland cannot produce enough hormones, leading to a condition known as iodine deficiency disorder (IDD). IDD can result in impaired growth and development, goiter (enlargement of the thyroid gland), and cognitive impairment. Therefore, ensuring sufficient intake of iodine through diet or supplementation is vital for maintaining optimal thyroid function and overall health, option B is correct.

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The correct question is:

Which trace mineral is an essential component of thyroid hormones? (group of answer choices)

A) iron

B) iodine

C) zinc

D) chromium

What cannot form when two plates collide?

Volcanoes


Deep Sea Trenches


Mountain Ranges


Rift Valleys

Answers

Answer: Rift Valleys

Explanation:

A rift valley is a linear shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. A rift valley is formed on a divergent plate boundary, a crustal extension or spreading apart of the surface, which is subsequently further deepened by the forces of erosion.


true or false If the marginal rate of substitution is not
diminishing, it must mean that tastes violate convexity (assuming
that our other assumptions about tastes hold).

Answers

The statement is false. The MRS can be constant or increasing without violating convexity, as other factors and assumptions about tastes need to be considered.

The statement "If the marginal rate of substitution is not diminishing, it must mean that tastes violate convexity" is false. The marginal rate of substitution (MRS) measures the rate at which a consumer is willing to give up one good in exchange for another while maintaining the same level of satisfaction. In general, the MRS tends to diminish as the consumer consumes more of a particular good.

However, the violation of convexity in preferences does not necessarily imply that the MRS is not diminishing. Convex preferences refer to a situation where the consumer prefers a diverse combination of goods rather than extreme combinations. It implies that the consumer values variety and has diminishing marginal utility for each good consumed.

Therefore, even if the MRS is not diminishing, it does not necessarily mean that tastes violate convexity. Convex preferences can still be present even if the MRS remains constant or increases. The relationship between the MRS and convexity is not direct, and it is important to consider other factors and assumptions about tastes to determine if convexity is violated.

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How do scientists come up with hypotheses? I​

Answers

Answer:

For a hypothesis to be termed a scientific hypothesis, it has to be something that can be supported or refuted through carefully crafted experimentation or observation.

Explanation:

An example of a receptor in a negative feedback loop controlling body temperature would be.

Answers

An example of a receptor in a negative feedback loop that controls an organism's body temperature would be: temperature sensors on the skin that detect a stimulus.

What is a feedback loop?

A feedback loop is a biological process in which the output of a system inhibits or amplifies the body system, depending on the surrounding conditions.

Generally, a feedback loop helps to regulate or maintain the body temperature or the amount of hormones secreted in the body of a living organism.

The types of feedback loop.

Basically, there are two (2) main types of feedback loop and these include:

Positive feedback loop.Negative feedback loop.

A negative feedback loop inhibits or decreases the response by the body system and an example of a receptor in a negative feedback loop that controls an organism's body temperature is temperature sensors located on the skin, so as to detect a stimulus.

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1)Glomerulus is a tuft of blood capillaries arising from;
A) Efferent arteriole B) Renal vein C) Dorsal aorta D) Afferent arteriole

2)Find out the wrong statement regarding secondary metabolites
A) the end products of primary metabolites.
B) do not directly involve in the normal growth
C) make a selective advantage for the organism by increasing its survivability.
D) excreted out by special mechanism

Answers

Answer: D) Afferent arteriole

Explanation:

The glomerulus is a tuft of capillaries located within Bowman's capsule within the kidney. Glomerular mesangial cells structurally support the tufts. Blood enters the capillaries of the glomerulus by a single arteriole called an afferent arteriole and leaves by an efferent arteriole.

what are the components common to all virions? choose one or more: a. capsid b. envelope c. dna or rna genome d. dna and rna genomes

Answers

The components common to all virions are: a. capsid and c. DNA or RNA genome.

All virions, regardless of their specific structure, have two components in common: a capsid and a nucleic acid genome. The capsid is a protein coat that protects and encloses the viral genome. The genome can be either DNA or RNA, but not both.

This genetic material carries the genetic information required for the replication of the virus.
Some viruses also have an additional component, an envelope, which is a lipid membrane derived from the host cell.

However, not all viruses have this envelope, so it is not a common component to all virions.
In summary, the components common to all virions are the capsid and the DNA or RNA genome, while the envelope is present in some but not all viruses.

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a bacterial gene (gene a) ordinarily makes a protein that binds to dna. a mutation of gene a causes an increase in the expression of gene b. we can conclude that

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The conclusion of a bacterial gene (gene A) ordinarily makes a protein that binds to DNA and a mutation of gene A causes an increase in the expression of gene B that the protein created by gene A plays a role in repressing gene B expression.

There are several regulatory proteins that can bind to DNA and control gene expression. Gene A creates a protein that binds to DNA in this scenario. However, when gene A is mutated, its protein no longer binds properly, resulting in an increase in the expression of gene B. Therefore, it can be deduced that the protein produced by gene a represses gene b expression. This protein is involved in transcriptional regulation and may function as a transcriptional repressor.

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what happens first when the amount of sunlight decreases?

Answers

Light energy absorbed by chlorophyll is converted into chemical energy. Some of this energy is used to split water into hydrogen and oxygen. Some of the chemical energy is used to make ATP from ADP and phosphate (Pi). This chemical energy is stored as ATP.

When recording a customer payment in the Receive Payments window, which account should you select in the Deposit To field in order to later group multiple payments for deposit to the bank?
A. Cost of Goods Sold.
B. Accounts Receivable.
C. Undeposited Funds.
D. Checking account.

Answers

When recording a customer payment in the receive payment window one should choose a checking account. the correct option is D, checking account.

What is a checking account?

A checking account is a type of bank account that allows individuals or businesses to deposit, withdraw, and manage their funds easily.

Key features of a checking account:

Deposits and Withdrawals.Check Writing.Debit Card Access.Online and Mobile Banking.Account Statements.  

The checking account represents the bank account where the payments will be deposited once they are grouped together. Selecting the Checking account in the Deposit To field, ensure that the received payments are properly tracked and recorded. This allows you to later group multiple payments for deposit to the bank.

Therefore, the correct option is D.

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The pedigree below depicts a dominant trait. What is the genotype of individual I-1 (use the letter A for a dominant allele and a for a recessive allele)? How did you come to this conclusion? Using your best grammar, write 3-5 sentences.

The pedigree below depicts a dominant trait. What is the genotype of individual I-1 (use the letter A

Answers

Individual I-1 is heterozygous (Aa) for the dominant trait. This is because they have a child (II-1) who is homozygous recessive (aa). The only way for this to happen is if individual I-1 is heterozygous.

What is the conclusion on the pedigree?

Pedigree analysis: A pedigree is a diagram that shows the inheritance of a trait from parents to offspring. In this pedigree, the dominant trait is represented by a solid symbol and the recessive trait is represented by an open symbol.

Genotype: The genotype of an individual is their genetic makeup, or the combination of alleles that they have for a particular trait. The phenotype of an individual is their physical appearance, which is determined by their genotype and the environment.

Heterozygous: An individual is heterozygous for a trait if they have one dominant allele and one recessive allele. This means that they have the potential to express the dominant trait, but they may also express the recessive trait if they are in an environment that is not favorable for the dominant trait.

Homozygous: An individual is homozygous for a trait if they have two copies of the same allele for that trait. This means that they will always express the trait, regardless of the environment.

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6. The melting point of iodine is 114°C and the boiling point is 183°C. What state will Iodine be at each of these temperatures:
70°C –
210°C –
185°C –
127°C –
0°C –

Answers

Answer:

When an element is at a temperature that is higher than it's boiling point, it will be in gaseous form as it would have evaporated.

When the element at a temperature that is lower than it's melting point however, it would be in solid form as it would not have melted from it solid state yet.

70°C – Solid

Lower than melting point.

210°C – Gas

Higher than boiling point.

185°C – Gas

Higher than boiling point.

127°C – Liquid

Above it's melting point but below it's boiling point. It is a liquid at this point because it has melted but has not evaporated.

0°C – Solid

Lower than melting point.

What does stimulation have to do with evolution

Answers

Stimulation have to play very important role in revolutionary development by providing an environment that encourage organisms to grow and evolve.                                                                                                                                               Stimulation refers to the act of providing stimuli to an organism, which can come in many forms, such as physical, emotional, and intellectual.                            Physical stimulation encourages growth and development by providing an organism with activity and resources to adapt to its environment.                           Emotional stimulation encourages the organism to explore, try new things and form bond with others.                                                                                    Intellectual stimulation encourages the organism to think, reason and create.                                                                                                                                  All of these forms of stimulation are necessary for organisms to survive and thrive in changing environments. Ultimately , these forms of stimulation help an organism to grow, learn, and evolve.                                                                   To learn more about stimulation                                                                                 https://brainly.com/question/30375477                                            

go to lab, section i, exercise 1 and review an investigation related to natural population growth. what variable will affect the number of yeast cells?

Answers

The variable that will affect the number of yeast cells in the investigation related to natural population growth is the availability of nutrients.

In the investigation related to natural population growth of yeast cells, the availability of nutrients is a key variable that will affect the number of yeast cells. Yeast cells require nutrients, such as sugars, amino acids, vitamins, and minerals, to survive, grow, and reproduce. The availability and concentration of these nutrients in the environment will directly impact the growth and population size of yeast cells.

When nutrients are plentiful, yeast cells have the necessary resources to undergo metabolic processes, including cellular respiration and cell division. As a result, yeast cells can reproduce rapidly, leading to an increase in the number of cells in the population. Conversely, when nutrient availability is limited, yeast cells may struggle to obtain the necessary resources for growth and reproduction, which can hinder population growth.

The availability of nutrients can be manipulated in the laboratory setting to observe the effects on yeast population growth. By altering the concentration or composition of nutrients in the growth medium, researchers can study how these changes influence the growth rate, cell division, and overall population dynamics of yeast cells.

In summary, the availability of nutrients is a critical variable that will affect the number of yeast cells in the investigation related to natural population growth. Understanding how nutrients influence yeast population growth can provide insights into the factors that regulate the growth and dynamics of natural populations.

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Which of the following is a net sugar source for a deciduous angiosperm tree? a) new leaves in early spring b) fruits in summer c) roots in early spring d) roots in early autumn

Answers

The net sugar source for a deciduous angiosperm tree is a) new leaves in early spring.

In deciduous angiosperm trees, new leaves in early spring are a net sugar source. During this time, the tree undergoes bud break, and new leaves emerge. These newly developed leaves contain chlorophyll and are actively involved in photosynthesis.

They capture sunlight and convert it into chemical energy in the form of sugars (such as glucose) through photosynthesis. These sugars are then transported to various parts of the tree, including storage tissues, developing fruits, and other growing tissues, to support growth and development.

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some axons within the peripheral nervous system are unmyelinated. what relationship do these neurons have with schwann cells?

Answers

Schwann cells are glial cells within the peripheral nervous system that provide support to the axons.

Unmyelinated axons lack a myelin sheath, or the fatty layer that serves to insulate other axons and increases conduction velocity. Schwann cells form the myelin sheath on myelinated axons, but they still provide support for unmyelinated axons, though they cannot form sheaths around them.

Schwann cells produce trophic molecules that help maintain and repair the axons, and their processes wrap around the axons to provide physical support. They influence the electrical activity that occurs on the axon and regulate sodium ion channel opening.

Schwann cells also are involved in remyelination, which is necessary when an axon is damaged due to trauma or diseases such as multiple sclerosis.

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Jefferson Company issued $40,000 of 10-year, 5% bonds payable on January 1, 2018. Jefferson Company pays interest each January 1 and July 1 and amortizes discount or premium by the straight-line amortization method. The company can issue its bonds payable under various conditions. The final answer is ___ m/s2. Can someone help me find x of this type of triangle What is the radical republicanism how do you write 8.683 as a percentage? How can diabetes be controlled? What tab should you choose to locate the spelling and grammar check tools?HomeLayoutReviewView Common symptoms of Multiple Sclerosis include all of the following EXCEPTa) numbness or weakness in one or more limbsb) double vision or blurring visionc) facial weakness or numbnessd) cold sensitivity Which of the following r values indicates the strongest relationship between two variables? +0.45-0.30+0.03-0.45 Determine which of the items below would show up on a monthly bank statement. (Check all that apply.)Multiple select question.End-of-period balance in the accountBeginning-of-period balance in the accountDeposits and other increases to the account during the periodChecks that the company has written, but have not cleared the bank yetReason: Checks that have not cleared the bank will not be listed on the bank statement as the bank does not know they were written.Withdrawals and other decreases to the account during the periodWithdrawals and other increases to the account during the periodReason: Withdrawals and other decreases to the account during the period. A spiral tile has a width of 1/4 foot how many tiles will fit end to end on a 4 foot wall How many years will Samsung Galaxy Book Pro 360 last? Is this a good laptop for 6 years of college. T/F: Little attention is devoted to reducing inconvenience of jury duty. which is the following is a modern method used to pressure food1. sprey drying 2.salting 3. smoking4. Honey Do you think trading with Asia and Africa was worth the difficulty? EXPLAIN. (you will not get credit if you do not explain your answer) please answer i will mark you brainliest Annie starts rest and speeds up to a velocity of 3m/s northeast over a period of 6 seconds. What is her average acceleration? What is the distance between A(-3,-4)and B(4,5)to the nearest tenth? Dr. Rodriquez is considering conducting a study examining whether narcissistic people have poorer romantic relationships than those who are not narcissistic. One of her first tasks is to determine which of her participants are narcissistic and which are not. She decides to use the scale created by a colleague, the Donal scale. Question 1 reads, "I tend not to think about other people as much as I think about myself." Question 2 reads, "I do not have a high opinion of myself." Question 3 reads, "I think other people think I am really special." Dr. Rodriquez calculates a correlation coefficient () to examine the relationship between Question 1 and Question 2 and between Question 1 and Question 3. She finds a correlation coefficient of r= -0.73 between Questions 1 and 2 and a correlation coefficient of r=0.74 between Questions 1 and 3. Which of the following is true of her findings? The correlation between Questions 1 and 2 is much weaker than that between Questions 1 and 3. The negative correlation between Questions 1 and 2 is bad for Dr. Rodriquez The correlation between Questions 1 and 2 and Questions 1 and 3 are in the same direction There appears to be good internal reliability in the scale, Question 8 (3.33 points) 4 Listen Dr. Rodriquez is considering conducting a study examining whether narcissistic people have poorer romantic relationships than those who are not narcissistic. One of her first tasks is to determine which of her participants are narcissistic and which are not. She decides to use the scale created by a colleague, the Donal scale. Question 1 reads, "I tend not to think about other people as much as I think about myself" Question 2 reads, "I do not have a high opinion of myself." Question 3 reads, "I think other people think I am really special" Dr. Rodriquez is concerned about the validity of the measure of narcissism recommended by her colleague. She sends a copy of the measure to the faculty members in her psychology department to look at, and they all tell her it looks like it will measure narcissism. She now has evidence of which of the following? content validity face validity discriminant validity concurrent validity On the most providentially afternoon of his life, Edward purchased the winning lottery ticket from a simple, unassuming convenience store.A. NO CHANGEB. providenceC. providentialD. providentialistic A town has a population of 5000 and grows at 3.5% every year to the nearest tenth of a year how long will it be until the population will reach 7300