In the nucleus, a process known as transcription converts DNA molecules into RNA.
The process of creating proteins from mRNA & tRNA molecules is known as translation.
In the process of transcription, DNA molecules are utilized to create RNA molecules.The RNA created during transcription, known as mRNA, is synthesized in the nucleus.The process through which mRNA is converted into proteins is known as translation.Protein synthesis is another name for it.The cytoplasmic ribosomes are where translation takes place.Protein synthesis involves the utilization of mRNA and tRNA molecules.The process of transcription involves copying (transcription) the DNA sequence of a gene to create an RNA molecule. The primary transcription enzyme is RNA polymerase. When RNA polymerase connects to a gene promoter close to the start of a gene, transcription starts.
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A postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. It has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of
neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by
1 mV, If X fires 10 times and Y fires 10 times the result will be …
Multiple Choice
a subthreshold summation.
presynaptic inhibition.
threshold is reached and an AP is fired.
many APs are fired.
the membrane depolarizes.
When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.
Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.
Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.
When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).
Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.
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4. Choose the best answer.
The atmosphere is a(n) _______ system.
O triangular
O closed
O open
O man-made
Answer:
Explanation:
o closed you wouldn’t want random gases mixing together
Enzymes are composted of CHON
True
False
Answer: True
Explanation:
Question 4 of 10
In 1996, the World Trade Organization (WTO) ruled that the U.S.
Environmental Protection Agency (EPA) regulation calling for cleaner gasoline
discriminated against foreign producers and violated WTO agreements. The
EPA was forced to rewrite the rule to allow for dirtier gasoline. How did the
revision most likely affect gas consumers in the United States?
A. Gas consumers had to endure higher gas prices because of the
cost of the technology to clean the gasoline.
B. Gas consumers had to endure higher gas prices that resulted from
dirtier foreign gasoline in the United States.
C. Gas consumers in the United States had to deal with the negative
impact of greater pollution caused by the dirtier gasoline.
D. Gas consumers in the United States benefited from the sale and
use of cleaner gasoline.
Answer:
*C*. Gas consumers in the United States had to deal with the negative
impact of greater pollution caused by the dirtier gasoline.
Explanation:
C. Gas consumers in the United States had to deal with the negative impact of greater pollution caused by the dirtier gasoline.
What does revision of the EPA regulation allow?The revision of the EPA regulation to allow for dirtier gasoline would lead to greater pollution caused by the dirtier gasoline. This would have a negative impact on gas consumers in the United States, as they would have to deal with the consequences of greater pollution, such as health issues and environmental damage.
Option A is incorrect because the revision of the rule actually allowed for dirtier gasoline, so there was no cost associated with cleaning the gasoline.
Option B is incorrect because it suggests that the dirtier gasoline came from foreign producers, which is not the case.
Finally, option D is incorrect because the revision of the rule allowed for dirtier gasoline, so cleaner gasoline would not have been sold or used.
In addition, the EPA's revision likely resulted in the use of cheaper, dirtier foreign gasoline in the United States, which may have contributed to higher gas prices for consumers. Overall, the revision of the rule allowing for dirtier gasoline had negative consequences for gas consumers and the environment.
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6. Rebecca wants to see if her kitten prefers new chicken flavored treats over her
usual beef flavored treats. She puts 10 chicken treats in one bowl and 10 beef
flavored treats in another bowl. She sees which treats her kitten eats first and
repeats this experiment for 3 days,
a. Independent Variable =_
b. Dependent Variable =
c. Control =
Answer:
independent: treat flavor
dependent: which treat the kitten eats first
control: beef flavored treat
Explanation:
In Rebecca's experiment, the independent variable is the type of treat, the dependent variable is the kitten's preference of treat, and the control includes factors such as the number of treats in each bowl and the timing of the experiment.
Explanation:In this experiment, the independent variable is the type of treats given to the kitten, either chicken flavored or beef flavored. The dependent variable is the kitten's preference, determined by which bowl the kitten eats from first. The control could be factors like the number of treats in each bowl (which is kept constant at ten), the time of the experiment, the location of the bowls, etc, which are kept unchanged in the experiment to ensure that any change in the kitten's behavior can be attributed to the change in the variable being tested, not due to some extraneous factors.
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Which solution is more diluted? Solution 1:
1000 mL of water
60g of salt
Solution 2:
500 ml of water 60 g of salt
A.Solution 1
B.Solution 2
C.Both solutions have the same concentration
Answer:
the answer is A: solution 1.
Explanation:
Joe has been diagnosed with major depressive disorder. He interprets negative stressful events using a pessimistic explanatory style. This explanatory style creates a hopeless, depressed state, which then hampers the way he thinks and acts, causing more negative stressful events. Joe's depression is thus, at least in part, due to:
state-dependent memory.
rumination.
a biochemical imbalance.
indicators of depression.
Answer:
The correct answer is : state - dependent memory.
Explanation:
State dependent memories are recollections of memories that are set off or enhanced or increased by an individual's present mind-set in view of the relationship to memories framed when you were in a comparative state.
For example, pleasant memories are all the more effectively or strongly recalled when one is feeling happy and the equivalent goes for negative thoughts and sadness or outrage towards something. In this case Joe having more negative thoughts in response of depression or negative thoughts.
Thus, the correct answer is : state - dependent memory.
Joe's depression caused by pessimistic explanatory style of negative events is due to State dependent memory,
State dependent memory:
It is phenomenon in which people recall more information if their mental or physical state is same as the time event.
Here, pessimistic explanatory style makes Joe to recall depressive events that cause more depressive events to come.
Therefore, Joe's depression caused by pessimistic explanatory style of negative events is due to State dependent memory,
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Identify the types of genetic recombination.
occurs in metaphase I.
occurs during sexual reproduction.
Mis random chromosome alignment resulting in variation.
occurs in prophase I.
fuses gametes to form offspring with genes from each pare
exchanges genetic information between non-sister chromat
DONE
Answer:
independent assortment
fertilization
independent assortment
crossing over
fertilization
crossing over
Explanation:
RIGHT ON EDGE 2020
D
4) This diagram shows a food chain from a desert ecosystem in Arizona. The arrows show
how the matter eaten by organisms moves through the food chain.
western
diamondback
rattlesnake
Select each organism below that is a primary consumer in this food chain.
brittlebush
pallid-winged
grasshopper
ubmit
brittlebush
grasshopper mouse
red-tailed hawk
grasshopper
mouse
pallid-winged
grasshopper
red-talled
hawk
western diamondback
rattlesnake
Question
answere
28
Time
elapsed
PAUSE
Challeng
Stage 3 of
Get 5 corred
in a row
The primary consumers in the food chain are the organisms that eat the producers, which in this case are the brittlebushes. The primary consumers are the pallid-winged grasshoppers.
The other organisms in the food chain are secondary consumers (grasshopper mouse), tertiary consumers (red-tailed hawk), and apex predators (western diamondback rattlesnake).
Here is a diagram of the food chain with the primary consumers highlighted in green:
brittlebush (producer)
----------------------->
pallid-winged grasshopper (primary consumer)
----------------------->
grasshopper mouse (secondary consumer)
----------------------->
red-tailed hawk (tertiary consumer)
----------------------->
western diamondback rattlesnake (apex predator)
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PLEASE HELP
Describe the 3 ways plant seeds are dispered by other organisms. *
Answer:
Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire. Dandelion seeds float away in the wind.
Explanation:
Answer:
Plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire.
9. Javier is a navigator for the navy His ship has just lost all power in the middle of the ocean, including access to your GPS. Which astronomical tool would be MOST helpful in this situation?
T/F After cell division, each new cell will contain the same genetic information as
the original cell
A. True
B. False
Answer:
True
Explanation:
in cell division asextually new cells Contain same genetic information
four effects of muscle contraction.
Answer:Isometric: A muscular contraction in which the length of the muscle does not change. isotonic: A muscular contraction in which the length of the muscle changes. eccentric: An isotonic contraction where the muscle lengthens. concentric: An isotonic contraction where the muscle shortens
Explanation:
A dihybrid cross is performed between a corn plant with the genotype YYSS and a corn plant with the genotype yyss. What percentage of offspring will be yyss
Answer:
0%
Explanation:
All corn plants will have the genotype YySs
The percentage of offspring that will be yyss is 0%.
In a dihybrid cross, the alleles for two different traits are considered. In this case, the traits are color (purple or yellow) and texture (smooth or wrinkled). The genotype of one parent is YYSS (homozygous dominant for both traits), and the genotype of the other parent is yyss (homozygous recessive for both traits).
According to the principles of Mendelian inheritance, when crossing two parents with different genotypes, the offspring will inherit one allele from each parent for each trait. In this case, the offspring will receive either a Y or y allele for color and an S or s allele for texture.
Since the parent with the genotype YYSS is homozygous dominant for both traits, all of its gametes will carry the Y and S alleles. On the other hand, the parent with the genotype yyss is homozygous recessive for both traits, so all of its gametes will carry the y and s alleles.
When these gametes combine during fertilization, all the resulting offspring will receive a Y allele for color and an S allele for texture, as there are no alternative alleles present in the parents. Therefore, none of the offspring will have the yyss genotype.
In summary, the dihybrid cross between the plants with genotypes YYSS and yyss will produce offspring with the genotype YySs, but none of the offspring will have the yyss genotype. Therefore, the percentage of offspring that will be yyss is 0%.
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The complete question is:
A type of corn has kernels that are either purple or yellow, and smooth or wrinkled. Yellow-Y- is dominant over purple-y- and smooth-S-is dominant over wrinkled --- A dihybrid cross is performed between a corn plant with the genotype YYSS and a corn plant with the genotype yyss. What percentage of offspring will be yyss? Select one or more:
a. 100% b. 80%c. 50% d. 25% e. 10%f. 0%a random number of chromosomes from each parent
Answer:
46 chromosomes in total
Explanation:
23 chromosomes from the mother and 23 chromosomes from the father.
A neurotransmitter from a presynaptic neuron causes an inhibitory postsynaptic signal (IPSP) in the postysynaptic neuron. Which if the following events will occur FIRST1Sodium-gated ligand channels open2Potassium ligand-gated channels open3An action potential is initiated in the postsynaptic neuron4The postsynaptic neuron will hyperpolarize
A neurotransmitter from a presynaptic neuron causes an inhibitory postsynaptic potentials (IPSPs), in the postysynaptic neuron. The following event will occur first : Potassium ligand-gated channels open.
Inhibitory postsynaptic potentials or IPSPs, on the other hand, are triggered by the opening of chloride channels. The equilibrium potential of chloride is -65 mV. Thus, if a neuron is resting at −60 mV, chloride channels will flow into the cell due to the electrochemical gradient when the chloride channels open.
As an inhibitory neurotransmitter, GABA normally causes hyperpolarization of postsynaptic neurons, producing inhibitory postsynaptic potentials (IPSPs), whereas glutamate causes depolarization of postsynaptic neurons, producing excitatory postsynaptic potentials ( EPSP).
IPSPs are generated when inhibitory presynaptic cells attach to dendrites and initiate action potentials. Presynaptic inhibitory neurons are involved in the release of specific neurotransmitters.
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HELLO PLEASE HELPPPPPP
Answer:
Explanation:
3 and 4
Which description refers to cumulus clouds?
Answer:
Cumulus clouds are clouds which have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance.
Explanation:
The forehead is _______ to the ears.
Multiple Choice
medial
lateral
inferior
lateral
distal
Answer:
Hey!
Your answer should be LATERAL!
Explanation:
Hope This Helped!
(lemme know if its wrong!)
What are staphylococci
Eh...
Based off what I know, it is any of several spherical bacteria of the genus Staphylococcus, occurring in pairs, tetrads, and irregular clusters, certain species of which, as S. aureus, can be pathogenic for humans.
Thanks!
Answer: I hope this is helpful mark me brainlist if correct then no if wrong Happy Thanksgiving
Explanation:
staphylococcus- a bacterium of a genus that includes many pathogenic kinds that cause pus formation, especially in the skin and mucous membranes.Staphylococcus is a genus of Gram-positive bacteria in the family Staphylococcaceae from the order Bacillales. Under the microscope, they appear spherical, and form in grape-like clusters. Staphylococcus species are facultative anaerobic organismsStaphylococcus (staph) is a group of bacteria. There are more than 30 types. A type called Staphylococcus aureus causes most infections. Staph bacteria can cause many different types of infections, including: Skin infections, which are the most common types of staph infections.
The particular region of space in which a stimulus must be presented to evoke a response from a given neuron is its
The particular region of space in which a stimulus must be presented to evoke a response from a given neuron is its receptive field.
A receptive field is a region of the sensory space (e.g., visual, auditory, somatosensory) in which the presence of a stimulus will alter the activity of a sensory neuron. Receptive fields can be small or large, and can vary in shape depending on the type of sensory neuron. Receptive fields are important in understanding how sensory information is processed in the nervous system. By knowing the receptive fields of different neurons, researchers can determine how different stimuli are represented in the brain and how different neurons contribute to the perception of sensory information.
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The Barton Springs salamander is an endangered species found only in a single spring in the city of Austin, Texas. There is growing concern that a chemical spill on a nearby freeway could pollute the spring and wipe out the species. To provide a source of salamanders to repopulate the spring in the event of such a catastrophe, a proposal has been made to establish a captive breeding population of the salamander in a local zoo. Suppose you are asked to provide a plan for establishing this captive breeding population, with the goal of maintaining as much of the genetic variation of the species as possible in the captive population.
What factors are likely to lead to a loss of genetic variation in the captive population?
a. increased rate of mutation
b. a founder effect
c. reduced genetic drift over time
d. a lack of inbreeding
What strategy would likely be effective in mitigating the loss of genetic variation in the captive population? a. keeping the sex ratio as close to 50:50 as possible
b. stopping gene flow to and from the captive population
c. regularly mating individuals that are related
d. keeping the captive population as small as possible
Answer:
1. b. a founder effect
2. a. keeping the sex ratio as close to 50:50 as possible
Explanation:
The founder effect is a phenomenon that occurs when a small subset of individuals split from a larger population in order to establish a new colony. The founder effect is known to cause a reduction in genetic variation of the colony due to genetic drift, i.e., due to the random sampling of the individuals that form the colony (which doesn't reflect the total genetic diversity of the original population). Moreover, the sex ratio refers to the proportion of males to females in a population. When establishing a captive population, it is recommended to maintain a sex ratio as close to 50:50 as possible because it reduces inbreeding, and thereby mitigating the loss of genetic variation. In some populations, it has been proposed that a 50:50 sex-ratio might also increase the competition between males, which is believed to be fundamental for maintaining a healthy genetic structure of the population.
what can be used to detect fermentation in yeast ?
Answer:
methylene blue
I hope this help
Answer:
The rate of fermentation can be measured by placing a small amount of yeast and sugar solution in a fermentation tube.
Explanation:
Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes
Choose the best explanation of the difference between evolution
and natural selection.
A. Evolution is the idea that species change over time, and natural
selection is a mechanism by which evolution takes place.
B. Natural selection is the idea that species change over time, and
evolution is the idea that the species' food source also changes over
time.
C.Evolution is the idea that species change over time, and natural
selection is the idea that nature changes over time.
D. Natural selection is the idea that species change over time, and
evolution is the idea that our world changes over time.
I think it's D. natural selection is the idea that species change over time and evolution is there idea that our world changes over time
What are some examples of scavengers in biology?
Answer:
Vulture: a type of bird that eats decaying flesh.
Carrion beetle: the term for one of many beetles that can eat flesh or even bat droppings.
Blowflies: insects that munch on dead parts of live animals, like the dead flesh around their wounds.
Explanation:
have a nice day :)
Select all of the measurable performance objectives required in this course listed below
The measurable performance objectives required that is required in a course will be that I will earn a B or better on my MAT 101 midterm exam.
What is performance objective?It should be noted that a performance objective is a specific end result which contributes to the success of the organization and which an employee is expected to accomplish or produce.
Measurable: This implies the objective's specific criteria can be quantified such that it's useful for both management and the employee
Goal: This will be I will target my lowest class average in order to raise my overall GPA.
Measurable: I will earn a B or better on my MAT 101 midterm exam.
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Select the measurable performance objectives required in this course listed below:
I want to improve my score.
I want to get a car
I will earn a B or better on my MAT 101 midterm exam.
I need new books.
Paleogenomics is based on the recovery and sequencing of dna from fossil remains of extinct species. True / False
What is a subduction zone and a transform boundary?
a transform fault or transform boundary is a fault along a plate boundary where the motion is predominantly horizontal. it ends abruptly where it connects to another plate boundary, either another transform, a spreading ridge, or a subduction zone.
Match the following terms with their definition.
24. Chromosome : The portion of DNA that is condensed and rod like
25. Gene : The portion of the chromosome that codes for the single protein.
What are these components life?Chromosomes : A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code. The very long, thin DNA strands in most chromosomes are covered with packing proteins; in eukaryotic cells, the histones are the most significant of these proteins.
Gene : The fundamental structural and operational component of heredity is a gene. DNA is the component of genes. Some genes serve as blueprints for the synthesis of proteins.
Nucleotide : Nucleotides are organic compounds made up of a phosphate and a nucleoside. They function as monomeric units of the deoxyribonucleic acid and ribonucleic acid polymers, which are both crucial macromolecules for all kinds of life on Earth.
Codon: a DNA or RNA molecule that codes for a particular amino acid through a group of three successive nucleotides. Some codons serve as translational start or stop signals. Start, stop, or termination codons are the names given to them.
Amino Acid : Organic substances known as amino acids have both amino and carboxylic acid functional groups. Alpha-amino acids, which make up proteins, are by far the most significant of the hundreds of amino acids found in nature. In the genetic code, only 22 alpha amino acids are present.
Rest of matching:
26. Nucleotide: Subunits that makes up Nucleic Acid
27. Codon: A set of 3 nucleotides thats code for a single amino acid
28. Amino Acid : Subunits that makes up protien
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Virulence of MYCOBACTERIUM TUBERCULOSIS
Mycobacterium tuberculosis is a germ that causes tuberculosis (TB), a very contagious and serious illness that mainly impacts the lungs.
The strength of Mycobacterium tuberculosis to make people sick and how bad the sickness is.
What is the Virulence of MYCOBACTERIUM TUBERCULOSISThere are many things that make M (a type of bacteria) very harmful. Tuberculosis is a disease caused by bacteria that affects the lungs and can spread to other parts of the body.
The cell wall is made up of M. Tuberculosis has a special outer layer made up of special fats, like mycolic acids. These fats help the bacteria avoid the body's defense system and can cause a strong reaction that leads to harm in the tissue.
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