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Travka [436]
3 years ago
9

Which of the following nucleic acids are composed of nucleotides

Biology
1 answer:
lesya692 [45]3 years ago
3 0
D) DNA,messenger RNA,and Transfer RN
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How do water and sunlight affect decomposers ?
Dovator [93]

Answer:

As the volume of available water increases, the rate of decomposition also increases. Many decomposers secrete enzymes onto decaying matter and then absorb any dissolved molecules and sunlight allows things to grow out of decomposers allowing faster decomposition from the plant absorbing the other nutrients from the things in the decomposer making the soil rich and fertile.

5 0
3 years ago
Iodine is a yellowish solution. A starch solution is white. A starch solution turns purplish-black in the presence of iodine. If
cupoosta [38]

Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

Explanation:

Iodine test is performed to test the presence of the carbohydrates mainly starch.

The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

In the given question, if we add the iodine solution to the beaker after a certain point of time then it will still form a complex with the starch and thus beaker solution will appear darker in color.

6 0
3 years ago
What is the function of restriction endonucleases in bacteria?
Scilla [17]

Answer:

This is an incomplete question without the options.

Here are the options to pick from

DY

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Within a six-base DNA recognition sequence, an enzyme that cuts between the 3rd and 4th bases from the 5' end will generate blunt ends.

a)True

b)False

a) True

What is the function of restriction endonucleases in bacteria?

a) They serve no function.

b)They allow bacteria to genetically recombine with other bacteria.

c) They allow bacteria to engineer new DNA fragments.

d)They provide a defense mechanism against infection by viruses.

Our answer is surely D

d)They provide a defense mechanism against infection by viruses.

Explanation:

Restriction enzyme/restriction endonuclease:

Are produced by bacteria for cleaveing DNA at specific sites. Restriction enzymes cleave foreign DNA in the bacterial cell to fight against infecting organisms.

Pls Note:

Restriction enzyme are used by

bacteria to defend against bacterial viruses called bacteriophages or phages

3 0
3 years ago
Normal hemoglobin is a tetramer, consisting of two molecules of β-globin and two molecules of α-globin; normal hemoglobin molecu
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8 0
3 years ago
True or false? "use" is defined under hipaa as the release of information containing phi outside of the covered entity (ce)
Sauron [17]

False  

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Health Insurance Portability and Accountability Act (HIPAA) is United States legislation that was passed in 1996. HIPPA provides data privacy and security for keeping medical information. Other roles of HIPAA include provision of health insurance coverage and the minimization of health care fraud and abuse. HIPPA contains five sections which are; HIPAA health insurance reform, HIPAA administrative simplification, HIPAA tax-related health provisions, application and enforcement of group health plan requirements and revenue offsets


6 0
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