DNA libraries are useful for identifying and isolating eukaryotic DNA fragments of interest in research. Select the ways in which genomic and cDNA libraries differ.

a. Genomic libraries are difficult to express in prokaryotic cells, which lack a splicing mechanism.
b. cDNA libraries contain only the sequences from genes that are expressed in an organism.
c. cDNA libraries are the DNA fragment collections that are stored and propagated in host cells through cloning.
d. cDNA libraries contain more sequence information than genomic libraries.

The ways in which genomic and cDNA libraries differ is that the Genomic libraries are difficult to express in prokaryotic cells, which lack a splicing mechanism. Thus, the correct option for this question is A.

Genomic libraries may be defined as a group of overlapping segments of genomic DNA that is significantly cloned into a backbone vector, which statistically includes all regions of the genome of an organism efficiently in order to function normally.

On contrary, cDNA libraries may be characterized as the collection of cloned DNA sequences that are complementary to the mRNA and were remarkably extracted from an organism or tissue in order to stimulate its function.

Therefore, genomic libraries are difficult to express in prokaryotic cells, which lack a splicing mechanism is one of the ways in which genomic and cDNA libraries differ.

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What enzyme catalyzes the reaction in the Calvin cycle?

The enzyme catalase is important to many organisms. This enzyme convertshydrogen peroxide, which can be toxic to cells,to oxygen and water. The optimum pH at which it functions is 7.0. If the pH changes too much in either direction. the function of catalase decreases. Which is TRUE about catalase ?



Catalase is a nucleic acid.


catalase is affected by pH as it is a protein.


Catalase can vaporize at room temperature.


Catalase is a carbohydrate

Plzz help!
Which best describes the relationship between two species and a niche?
If two species have the same niche, one species will always become extinct.
Two species are able to occupy the same niche in the same habitat.
Two species cannot occupy the same niche in the same habitat.
If two species have the same niche, one species will always move.

Which is a common mistake to watch out for when taking a test?
reading test directions
rushing through the test
checking that answers are legible
showing all work

How could research on mice or rats help answer our medical research questions — questions that are, after all, about humans?

HELP will give brainlst and 20 points if ur correct
Explain how scientist measure geologic time.

which kingdoms contain organisms that are multicellular You by bacteria archaea bacteria plant Amenia​

Describe what happens in your central nervous system when you prepare and eat breakfast. Start with objects in the environment and be specific.

Which of the following is a function of nucleic acids?
a. Nucleic acids provide energy.
b. Nucleic acids store fatty acids.
c. Nucleic acids store and transmit genetic information.
d. Nucleic acids manufacture simple sugars,

I need a media article, about science, that seems like bs. More about sex or anything along those lines? I need to debunk it. But that article has to be based off an actual scientific experiment with a published paper. Does anyone have any articles?

what shoukd the patient expect to experience living with the disease- Sitius Inversus?? in ur own words

Which means of particle transport is shown in Figure 7–4 below?

The figure shows the inside of a cell, the cell membrane, and the outside of the cell. Inside the cell, 15 spheres are labeled “high concentration.” Outside the cell, three spheres are labeled “low concentration.” A sphere enters a figure labeled “transport protein” that spans the cell membrane. An arrow shows that the sphere is moving from outside of the cell into the cell. A lightning bolt-shaped arrow is labeled “energy” and points to the transport protein.• A shaded hemisphere is shown at the top of the illustration titled 'Inside of Cell.' In the hemisphere are sixteen small spheres labeled 'High Concentration.'
• At the bottom of the illustration is the label 'Outside of Cell' on the unshaded part of the image. There are three small spheres labeled 'Low Concentration' in this area.
• A curvy horseshoe looking shape labeled 'Transport Protein' is shown entering the inside of the cell and has an upward arrow labeled on it.
• A small sphere is at the bottom of the curvy horseshoe shape with a jagged arrow next to it labeled 'Energy.'
A. diffusion
B. osmosis
C. facilitated diffusion
D. active transport

Which of the following is not a process that occurs during cytokinesis of an animal cell?

(Please help I will mark brainliest)

A. Cytoplasm is divided

B. Nucleus reappears

C. Chromosomes line up at the metaphase plate

D. Nuclear envelope surrounds chromosomes

true or false all cells living or dead can produce new living cells ​

Which of the following statements about enzymes is false?
А Enzymes are made up of amino acids.
B Enzymes make otherwise slow reactions proceed more quickly.
C Enzymes provide energy for endergonic reactions.
D. Enzymes are usually specific for the chemical reactions they catalyze.​

Diagram 1 shows the tilt of Earth's axis. Diagram 2 shows how Earth would look if the tilt of the axis were increased. Each diagram shows the same two locations, Location X and Location Y. Sun Y X- um Earth Diagram 1 Sun •Y X- Swi Earth Diagram 2 Which statement BEST predicts the effect of increasing the tilt of Earth's axis in Diagram 2 on the two locations? Location Y will be cooler in winter and Location X will be cooler in summer. Location Y will be warmer in winter and Location X will be cooler in summer, Location Y will be cooler in winter and Location X will be warmer in summer. Location Y will be warmer in winter and Location X will be warmer in summer. PLEASE HELP MEEEEE​

Which of the following is an example when an uncontrolled experiment is best?

When testing the effect of water on a lawn
When working with the human body
When testing the effect of sugar on a starch
When testing plant growth

Why are stem cells important to multicellular organisms?

6 POINTS! What is the difference between animal and plant cells in a simple sentence?

PLS ANSWER FAST! Which of these descriptions best contrasts safety knowledge for cows and horses? Horses have a definite flight zone, whereas cows do not Cows will startle at sudden movement or noise. but horses do not. Cows have 360-degree vision, but horses do not Cows have a definite flight zone, whereas horses do not.​

What happens at the Pacific Ring of Fire?

Describing Uses for Mercury
Visit this website and locate the element mercury, whose chemical symbol is Hg. Click on the square to read about the history, properties, and uses of mercury.

Name three uses for mercury.

The zika virus was first identified in Uganda in 1947. The virus is transmitted from person to person by a bite from a mosquito. It is commonly carried by the Aedes mosquito which is prevalent throughout Central Africa. The virus has more recently spread to the Americas (South, Central, and now North) and is expected to spread to Europe. There is a concern that the virus may reach epidemic proportions. Zika virus is related to yellow and dengue fever. Common symptoms are low grade fever and a distinctive skin rash and other symptoms include vomiting, headache, and muscle and/or joint pain. Pregnant women should avoid traveling to areas known to have zika virus present because the virus is known to cause microcephaly and developmental difficulties related to the central nervous system. Based on the paragraph above, class discussions, and other VALID (be careful with your selection of e-materials! CDC – Center for Disease Control is a good place to start) sources of information please answer the following questions. State a reason why the virus has spread to the Americas and likely to spread to Europe. Define the term microcephaly. What bones of the fetal skull would be affected by zika? Specifically, what area of the CNS is not fully developed in microcephalic individuals. In 1 -3 sentences describe the developmental difficulties of microcephalic individuals. How does one know if they have contracted zika? Do men need to be concerned about contracting zika? How does one avoid contracting zika? In a short paragraph (2-5 sentences!) provide one example of a scientific measure that could possibly control the spread of zika and explain how the measure works (controls the spread).

How does the storage of energy in ATP molecules benefit a cell?

This diagram shows a plant cell. Which of these statements about plant cells must be true?
A)
A plant cell does not have a nucleus.
B)
Plant cells are all the same exact size and shape.
C)
A plant cell has many smaller vacuoles.
D)
A plant cell contains one large vacuole.

When a patient comes to a hospital with severe dehydration, doctors will give
them an IV filled with a salt-water solution called saline, which is isotonic with
the body's blood cells.
Why is the patient not given pure water?

There are three semicircular canals per ear.
True
O False
Qui

Gold is found mostly in igneous or metamorphic rocks. When water acts upon these rocks, gold may be carried and distributed to streams.

Which process is responsible for the distribution of gold in this case?

A)
a biological process
B)
a metamorphic process
C)
a sedimentary process
D)
human activity
E)
volcanic activity

In a given strand of dna the number of thymines

A. Is same as the number of uracils

B. Is double the number of guanines

C. Is double the number cytosines

D. Is the same as the number of adenines

Plz answer ASAP

Which conditions need to be in balance for cells to function? Check all that apply.