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3 years ago

Are several proteins involved in DNA replication

Biology

1 answer:

Akimi4 [234]3 years ago

8 0

Answer:

Several enzymes are needed for DNA replication. As enzymes are proteins hence, it can be said that many proteins are needed for the replication of DNA.

Some of them are:

Helicases are required for unwinding the DNA.

Topoisomerases are required for unwinding the supercoiling of the DNA.

Ligases are proteins or enzymes which join the nucleotides to make up a strand.

DNA polymerases are involved in synthesizing the new strand of DNA.

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tamaranim1 [39]

Answer:

hydrogen=white sphere

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oxygen= dotted sphere

8 0

2 years ago

Functions of astrocytes include all of the following except

Neporo4naja [7]

The question is incomplete. The complete question is as follows:

Functions of astrocytes include all of the following, except

A) performing repairs in damaged neural tissue.

B) guiding neuron development.

C) functioning in action potential transmission.

D) maintaining the blood-brain barrier.

E) creating a three-dimensional framework for the CNS.

Answer:

Functioning in action potential transmission.

Explanation:

Astrocytes may be defined as the glial type star shaped cells present in the central nervous system. They envelope the synapse and can function with millions of neuron at a time.

Astrocytes are involved in the structural support in the brain and can repair the damaged and wear nerves tissue. Their main function is acting as blood brain barrier. The action potential transmission is mainly done by neurons and not by the astrocytes cells.

Thus, the correct answer is option (c).

7 0

3 years ago

Which six elements provide most of the mass of the human body? 0 C, N, P S, H, 0 0 C, Mg, P, H, O, N O Mn, Na ), H, Ca, o O Ur,

Natali5045456 [20]

Answer:

H, He. 2, Li, Be, B, C, N, O, F, Ne. 3, Na, Mg, Al, Si, P, S, Cl, Ar. 4, K, Ca, Sc, Ti ... 7, Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Lr ... (Atomic mass is also referred to as atomic weight, but the term "mass" is more ... One molecule of water (H2O) would weigh 18.02 amu (2×1.00797 amu for H + ... 6, C, Carbon, 12.011.

Explanation:

6 0

3 years ago

Why is it ineffective to treat viral disease with antibiotics? Why is it ineffective to treat viral disease with antibiotics? Pa

Eddi Din [679]

Answer:

Antibiotics inhibit enzymes specific to bacteria and have no effect on virally encoded enzymes

Explanation:

The specificity of the antibiotics to inhibits some bacterial enzymes is one of the major reasons why antibiotic do not affect viruses.In addition antibiotics are designed to have a significant destructive effects on the mechanisms of biochemical reactions in bacteria and its physiology, e,g on the cells walls,( inhibiting the formation of peptydoglycans) on certain organelles e,g ribisomes (inhibiting protein synthesis) and on the DNA(disrupting replication). The virus physiology is different from bacteria, therefore the design of antibiotics will nor affect these same mechanisms in viruses, thus no specificity for the antibiotic to act on in virus

4 0

3 years ago

Read 2 more answers

Cellular cytoplasm is primarily composed of what substance

marishachu [46]

Cytosol i think hope this helped

6 0

4 years ago