Answers
Answer:
Recombinant DNA is a technology scientists developed that made it possible to insert a human gene into the genetic material of a common bacterium. This “recombinant” micro-organism could now produce the protein encoded by the human gene. Scientists build the human insulin gene in the laboratory.
Explanation:
Related Questions
Active transport is a way for molecules to move across the plasma membrane. When active transport is used what is required?
Answers
It is transported across the plasma membrane with the help of the energy molecules. It is the transport ions and the transport molecules that help to facilitate the transport.
What is the structure of a plasma membrane ?It is the bi layer of lipids with the association of proteins in it.
ATP that are the energy molecules called as energy currencies as well. It is the molecule of the energy that helps in the transportation of molecules through it. The ATP is broken down into the ADP with the Pi ion and this breakdown gives out the energy libation for the reaction.
Active transport does require the cellular energy in order to achieve the movement. There are 2 types of the active transport : primary active transport which uses the adenosine triphosphate (ATP) and secondary active transport which uses the electro chemical gradient.
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explain four legal actions that the community can take to make the municipality aware of their dissatisfaction regarding services delivery
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1. Formal complaints: Community members can file a complaint with the municipality, describing their specific complaints and concerns about service delivery. This creates a written record of dissatisfaction and places the responsibility of addressing the issues raised on the city.
2. Contact community representatives: Community members can voice their dissatisfaction directly to their elected representatives or councillors. By sharing their concerns and asking for their help, they can use their influence and advocacy on behalf of the community.
3. Public forums and meetings: Participating in public forums and meetings organized by the municipality gives community members the opportunity to openly express their dissatisfaction. By actively participating and sharing their experiences, they can raise awareness and encourage cities to take action.
4. Community Working Groups: By forming or joining community working groups, communities can collaborate and collectively address service delivery issues. These groups can perform tasks such as holding meetings, conducting surveys, and providing a unified voice for the city, making it more likely that their concerns will be heard and addressed
what are nucleic acids composed of?
Answers
Answer:
Nucleic acids are chains of nucleotides, which are composed of three parts: a phosphate backbone, a pentose sugar, either ribose or deoxyribose, and one of four nucleobases.
Which of the following biomes would not have plants with waxy leaves?
a)desert
b)chaparral
c)savanna
d)grasslands
Answers
Answer:grassland
explain: 1. try your best lu guys
2.try to look up all this biomed
3.see which one doe shot have waxy leaves
4.done
What time will sunrise and sunset be at X?
Answers
As according to the given diagram X is the equator so, the sun rise at 6:00 A.M. and set at 6:00 P.M.
What is equator?The equator, a circle of latitude with a circumference of around 40,075 kilometers, separates the northern and southern hemispheres of the planet. It is a hypothetical line that is situated halfway between the North and South poles at latitude 0 degrees.
What is Sunrise?When the Sun's upper rim first rises on the horizon in the morning, it is said to be at sunrise. The phrase can also be used to describe the full process of the solar disk horizon-crossing and the associated atmospheric consequences.
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Select the correct statement regarding a chemical synapse.
O Neurotransmitters are held in vesicles in the postsynaptic cell.
O Sodium ions enter the axon terminal to signal release of neurotransmitters.
O The presynaptic membrane is in direct contact with the postsynaptic membrane.
O Receptors for neurotransmitters are found in the membrane of the postsynaptic cell.
Answers
The correct statement regarding a chemical synapse is sodium ions enter the axon terminal to signal release of neurotransmitters i.e., option B.
What is chemical synapse?Chemical synapses are links created by two neurons or a neuron and a non-neuronal cell (muscle cell, glandular cell, sensory cell).
The synaptic complex is the basic non-reducible unit of each chemical synapse, representing the bare minimum for efficient chemical synaptic transmission.
The correct statement regarding a chemical synapse is sodium ions enter the axon terminal to signal release of neurotransmitters.
Thus, the correct option is B.
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3.What is the function of the sebaceous gland?
A. Produce oil.
B. Excrete sweat.
C. Produce hair.
D. Secrete earwax.
Answers
I have a D in scienceplease help me, I will mark Brainlist.
Answers
Answer:
1) It would be option 2
2) It would be option 1
Explanation:
Hope I could help
question at position 5 which of the following rate constants is negligible when measuring the initial velocity (v0) of an enzyme-catalyzed reaction?
Answers
k-2 will be negligible when measuring the initial velocity (v0) of an enzyme-catalyzed reaction
At the start of a reaction when [S] are at their highest, [P] are at their lowest, & the reverse reaction is unlikely.
A biological substance known as a "enzyme" increases the rate of a process through enzyme catalysis. Since most of these processes involve chemical reactions, most enzymes are proteins. The active site is a specific location within the enzyme where catalysis typically takes place.
Although enzyme catalysis mechanisms differ, they are all fundamentally comparable to other types of chemical catalysis in that lowering the energy barrier(s) separating the reactants from the products—or substrates—is essential. The proportion of reactant molecules that can get past this obstacle and create the product increases as activation energy (Ea) is reduced.The fact that enzymes always catalyze reactions in both directions and cannot propel a reaction forward or influence the equilibrium position—only the speed with which it is achieved—is a key fundamental. This is because they only lower energy barriers between products and reactants. Similar to other catalysts, an enzyme can perform multiple rounds of catalysis by being recycled rather than being eaten or altered by the reaction (as a substrate is).
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Our mountain regions are unique and beautiful places. We must preserve them for future generations. One of the most serious threats to our mountains is ridgetop development. Large housing developments built on steep slopes and along mountain ridges are unsightly. Also, they adversely affect the scenic views that draw tourists to our region each year. Who wants to drive to the mountains to see not the lovely tree-covered outline of the gently sloping mountain ridges against the sky, but rows of houses jutting from the ridges and slopes with little or no tree cover between them? With tourism as the biggest industry in our area, maintaining our scenic ridgelines is crucial to continued economic success here.
Ridgetop development not only detracts from scenic mountain views and threatens our area’s top industry, it also harms the environment. Stripping large areas to create multiple building sites removes the trees and other plants. These resources provide natural erosion barriers on steep slopes. Large housing developments on ridges often increase erosion and runoff into streams and rivers.
What type of essay is this, primarily?
Answers
This is a persuasive essay primarily focused on highlighting the negative impact of ridgetop development on mountain regions.
The essay provided presents a clear argument and aims to persuade the reader about the importance of preserving mountain regions by discouraging ridgetop development. The writer expresses their opinion on the issue and supports it with reasons and evidence.
The essay falls under the category of a persuasive essay, as its main objective is to convince the audience to take action or support a specific viewpoint. The author emphasizes the unique beauty of mountain regions and the need to preserve them for future generations. They argue against ridgetop development by highlighting the negative consequences it has on scenic views and the tourism industry.Additionally, the detrimental environmental impact of stripping large areas and increasing erosion is discussed.Overall, the essay combines persuasive techniques, such as presenting arguments, providing evidence, and appealing to the reader's emotions, to advocate for the preservation of mountain regions and discourage ridgetop development.
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When Hailey participated in a tree plantation drive, she wore her most comfortable loungewear. However, the same attire was not acceptable at her workplace. Why? Hailey's attire was not acceptable because her attire was not neat and clean her attire was not appropriate for her profession she wore the wrong outfit for the tree plantation drive her colleagues were jealous of her attire
Answers
Answer:
Her attire was not appropriate for her profession.
Explanation:
100% on test
The attire that wore by Hailey was not acceptable at her workplace because her attire was not appropriate for her profession. Thus, the correct option for this question is B.
What is a Tree plantation drive?A tree plantation drive may be defined as a type of initiation that deals with the plantation, nurturing, and taking care of trees across the locality or even the country.
This type of profession requires its members to wear cultural or traditional clothes or attire, rather than being comfortable. Hailey's comfortable loungewear was not accepted in this profession due the same reason.
Before taking any initiative, it is required to set yourself physically, mentally, as well as psychologically as per the need of the profession.
Therefore, the attire that wore by Hailey was not acceptable at her workplace because her attire was not appropriate for her profession. Thus, the correct option for this question is B.
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Which of the following statements regarding membrane transport is false?
Specific proteins are needed to transport polar and charged solutes effectively across cell membranes.
Sugars are always transported by active transport rather than by facilitated diffusion carriers.
Small molecules can transport across the cell membrane, but large molecules like proteins, usually are not transported.
Special protein that form membrane channels are used to transport ions.
Answers
B. Sugars are always transported by active transport rather than by facilitated diffusion carriers. This statement is false.
While it is true that some sugars are transported across the cell membrane by active transport, which requires the expenditure of energy, other sugars can also be transported by facilitated diffusion, which is a passive process that does not require energy.
Facilitated diffusion uses specific protein carriers (facilitated diffusion proteins) that bind to the solute and change shape to allow the solute to diffuse across the membrane. These carriers are also specific to certain types of solutes.
The rest of the statements are correct. To effectively transport polar and charged solutes across cell membranes, specific proteins are required. Small molecules can cross the cell membrane, but large molecules, such as proteins, are usually not transported. Ions are transported using special proteins that form membrane channels.
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why bone grow in bidirectional
Answers
Explanation:
Bones grow in different directions because they need to support the body in different ways. The different directions allow for flexibility and strength.
Interphase must occur once before meiosis can happen. (Same thing for mitosis). What would happen if interphase didn't occur first?
Question 5 options:
The new cells would have the same amount of DNA.
Half of the new cells would not have nuclei.
The new cells would have half as much DNA.
The new cells would have ¼ the DNA as the original cell.
Answers
Interphase is the initial stage of both mitosis and meiosis. The function of the interphase is to allow the cell to grow, duplicate its DNA, and carry out cellular activities. The next stages of mitosis and meiosis occur following interphase. Hence, if interphase didn't occur first, the cells would have half the amount of DNA.Interp
hase is a cell cycle phase in which cells prepare for cell division by performing critical growth and replication processes. The DNA is replicated during the S (synthesis) phase of interphase in preparation for cell division. DNA replication occurs only in interphase, and cells must pass through interphase before proceeding to the subsequent stage of the cell cycle.
The amount of DNA in the new cells would be halved if interphase did not occur first before meiosis or mitosis. It's worth noting that interphase is a crucial stage that facilitates chromosome replication and increases the cell's overall size and mass.
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All of the following contribute to the severity of the effects of natural disasters during modern times except __________.
A)
choices in land use
B)
evacuation and disaster relief plans
C)
dramatic increase in human populations
D)
predictability of natural disasters
E)
people choosing to live in areas at high risk for hazards
Answers
Answer:
A. Choices in land use
Explanation:
Correct me if im wrong
Which material can best be used to cast a footwear or tire impression?
Wax
Plaster of Paris
Rubber cement
Putty
Answers
Plaster of Paris is the material which is similar to gypsum cement that can best be used to cast a footwear or tire impression. Thus, the correct option is B.
What is Plaster of Paris?Plaster of Paris is a quick-setting gypsum plaster which consists of a calcium sulphate hemihydrate (white powder) substance. Hence, the plaster of paris is a white colored powder. The plaster gets its name Plaster of Paris because it is manufactured by heating gypsum at 373- 393 K or 150°C or 300°F. On heating gypsum at 373-393 K, it loses water molecules and becomes calcium sulphate hemihydrate. This product is known as the plaster of Paris. The main ingredient of Plaster of Paris is gypsum, which is found abundantly in Paris.
Gypsum product which is similar of plaster of Paris is used. The hardness and durability of this product makes it a superior product for casting footwear or tire impressions.
Therefore, the correct option is B.
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witch of the following scientist gave cells their while observing cork under a microscope
A. Robert Hooke
B. Louis Pasteur
C. Rosalind Franklin
D. isaac Newton
Answers
Answer:
Robert Hooke
Explanation:
Waves cause erosion through the processes of ______ and abrasion. a. chemical weathering b. impact
Answers
Answer:
B
Explanation:
Impact, the strength of the wind carries little pebbles and stone,then it deposits.
Answer:
b
Explanation:
what is the difference between chromosomes and sister chromatids in the m phase?
Answers
Answer:
Before cell division must occur, the chromosomes must replicate themselves. Sister chromatids are the two initially identical copies.
what parts do ruminants and poultry have in common?
Answers
Stomata parts do ruminants and poultry have in common.
What are ruminants?Ruminants are defined as hoofed herbivorous grazing or browsing mammals that may absorb nutrients from plant-based diet by fermenting it before digestion, primarily through microbial processes, in a specialized stomach.
Monogastric animals, including pigs, fish, and poultry, are more dependent on grains and pulses, which compete for land that could be used to grow food for humans. Ruminant animals, like sheep, cattle, and goats, rely more on forages and grasses that are not suitable for human use.
Thus, stomata parts do ruminants and poultry have in common.
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2.5 Draw a labelled leaf and indicate the colour change in the green and white parts of the leaf, after the second starch test. (3) (14)
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The leaf acquires a blue-black coloration in the green part after the starch test.
What is the iodine test for starch?The iodine-starch test is a chemical process used to detect the presence of iodine or starch.
Starch and iodine together produce a deep blue-black color.
To test a leaf for starch, a few drops of iodine solution are placed on a boiled leaf. If starch is present in the leaf, the iodine will react with the starch molecules and form a blue-black color complex. If starch is not present, the iodine will remain yellow or brown in color.
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cystic fibrosis is a recessive genetic disorder. a man and woman are both heterozygous for the disease allele. which question below would you answer using the binomial equation?
Answers
A man and woman who are both heterozygous for the disease allele carry one normal and one mutated allele. To determine the probability of their offspring inheriting cystic fibrosis, the binomial equation can be used.
The binomial equation is a mathematical formula that calculates the probability of a specific outcome in a series of independent events. In the case of cystic fibrosis, the events are the inheritance of one of the two alleles (normal or mutated) from each parent.By using the binomial equation, we can determine the probability of the offspring inheriting two mutated alleles, which would result in cystic fibrosis.
The equation takes into account the frequency of the disease allele in the population, the number of alleles being considered (two in this case), and the probability of each allele being passed on to the offspring. In conclusion, the binomial equation can be used to answer the question of the probability of a specific outcome in the inheritance of a recessive genetic disorder such as cystic fibrosis. This information can be useful for genetic counseling and risk assessment for couples who may be carriers of the disease.
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What is TRUE about birth rate trends in the United States?
A.
The birth rate has had a steady increase since 2007.
The birth rate has been on a steady decline since 2007.
The birth rate has not changed since 2007.
OD. The birth rate has not been calculated since 2007.
B.
C.
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Answer:
The birth rate has been on a steady decline since 2007
Explanation:
characteristics of muscle tissue are listed below. identify the muscle tissue type described by choosing the correct response(s) from the key choices. enter the appropriate letter of the key choice as the answer. cardiac smooth skeletal involuntary: banded appearance: longitudinally and circularly arranged in layers: coordinated activity to act as a pump: arranged in figure-8 packaging of the cells: connective tissue packaging of the cells: moves bones and the facial skin: moves food through the body: controls blood pressure: allows you to follow light with your eyes: pushes blood through the body: regulates blood pressure:
Answers
The correct responses for the characteristics of muscle tissue listed above are:
Cardiac: Banded Appearance, Longitudinally and Circularly Arranged in Layers, Coordinated Activity to Act as a Pump; Smooth: Arranged in Figure-8 Packaging of the Cells, Connective Tissue Packaging of the Cells; Skeletal: Moves Bones and the Facial Skin; Involuntary: Moves Food Through the Body, Controls Blood Pressure, Allows You to Follow Light with Your Eyes, Pushes Blood Through the Body, Regulates Blood Pressure.Muscle tissue is the tissue that makes up the different types of muscles in most animals, and gives the muscles the ability to contract. It is composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts. Different types of muscles have different structures and functions, but all of them have fibers of muscle cells connected together in sheets and fibers.
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Describe the various types of cells in the human body
Answers
Explanation:
The cells inside our bodies are “specialized.” This means that each type of cell performs a unique and special function. For this reason, each of the 200 different types of cells in the body has a different structure, size, shape, and function, and contains different organelles.16 Jul 2018
https://www.healthline.com › health
How Many Cells Are in the Human Body? Fast Facts - Healthline
Which of the following is NOT a difference between DNA and RNA? (A) DNA and RNA help make proteins (B)DNA uses Thymine and RNA uses Uracil (C)DNA contains genetic information and RNA does not (D)DNA is a double strand and RNA is one.
Answers
Answer:
A is false
Explanation:
how to determine sample size when dealing with plants
Answers
1. Define population size or number of people.
2. Designate your margin of error.
3. Determine your confidence level.
4. Predict expected variance.
5. Finalize your sample size.
An organism has the following genotype: AABb. What type of gametes can be produced, and in what proportions ?
Answers
Answer:
AB Ab AB Ab
AB 50 Ab 50
Explanation:
The organism can produce TWO types of gametes: AB and Ab. Supposing these genes are unlinked, the proportion of gametes will be 1/2 (50 percent of each gamete).
Meiosis is a reductional cell division where the resulting daughter cells (gametes) where chromosome number is divided into half, thereby producing haploid gametes in a diploid individual.The law of segregation (also called Mendel's First Law) indicates that during meiosis, alleles separate.In consequence, after meiosis, each gamete receives only one allele for a given trait.In conclusion, the organism can produce TWO types of gametes: AB and Ab. Supposing these genes are unlinked, the proportion of gametes will be 1/2 (50 percent of each gamete).
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what phase is similar to interphase
Answers
Answer:
Interkinesis follows telophase. It is similar to interphase except that DNA replication does not occur because the chromosomes are already duplicated
Explanation:
1. How similar is this model to a real object?
2. Describe one possible limitation of this model.
3. How might this model be useful?
Answers
This model is very similar to the real objects shown in the model and this is theJob Characteristics Model. Richard Hackman and Greg Oldham developed an model which itself motivates employees for the jobs.
What is the main objective behind creating this model?The main objective behind creating this model is that It has been focus on the perspective that if the job is not monotonous and is the little happening, the job itself motivates the employee and the employee does not feel low to work on it.
He describes three ways under this to add motivation to job, autonomy, variety and decision authority.
Therefore, This model is very similar to the real objects shown in the model and this is theJob Characteristics Model. Richard Hackman and Greg Oldham developed an model which itself motivates employees for the jobs.
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