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4 years ago

Mutations in the genetic code can occur when _____.

2 answers:

7 0

D) the cell divides in to daughter cells. Mutations occur either when they multiply or when they are interrupted by something....Hope it helps ;)

kkurt [141]4 years ago

6 0

Answer:

The correct answer is option the cell divides in to daughter cells.

Explanation:

The mutation is the alteration or change in the sequence nitrogenous bases of DNA.

Mutation in DNA generally occurs by base substitution, insertion or deletion of nucleotide base pairs during the process of DNA replication, which takes place during S-phase of cell division.

Mutations in DNA are corrected by DNA proofreading mechanisms of enzyme DNA polymerase.

Thus, the cell divides into daughter cells is the correct answer.

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Bogdan [553]

Answer:

Protozoans can be parasitic. Malaria is the most significant of the protozoan parasites that infect humans. Malaria is found in tropical and sub-tropical regions of the world. In addition, tropical countries are often affected by poverty, poor sanitation, and inadequate medical facilities. These factors often increase the transmission of parasitic diseases.

5 0

3 years ago

Administration of which classes of medications can decrease secretions of the upper respiratory tract?

svet-max [94.6K]

Answer:

The correct answer is - Cholinergic antagonists.

Explanation:

The cholinergic antagonist is a class of medication that is general terms of agents that bind with choline receptors such as nicotinic and muscarinic that inhibit the effect of acetylcholine and another agonist.

It is a class of drugs that mimics, inhibit, or enhance the action of the neurotransmitter ACh which is the very first transmitter of nerve impulse within PNS that includes the region of ANS that regulates contraction of smooth muscle, such as upper respiratory tract.

Thus, the correct answer is - Cholinergic antagonist.

7 0

3 years ago

Read 2 more answers

Rivers and streams are biodiverse ecosystems that are sensitive to change.

marin [14]

The answer is B.) False

4 0

4 years ago

Read 2 more answers

This element has more valence electrons that oxygen fewer valence electrons than neon more protons than sodium but fewer protons

Pie

Chlorine

Explanation:

Chlorine is an element that has more valence electrons than oxygen but fewer valence electrons than neon, more protons than sodium but fewer protons than argon.

Element atomic number number of protons <u>number of valence electrons</u>

Oxygen 8 8 6

Neon 10 10 8

Since the number of valence electrons of the element is between that of oxygen and neon, the compound must have a valence electron of 7.

Only all the elements in group 7 on the periodic table fits this description.

Element number of protons

Sodium 11

Argon 18

The element must be between sodium and Argon. This suggest that the element is chlorine.

learn more;

Halogen brainly.com/question/6324347

#learnwithBrainly

4 0

3 years ago

How do the structures of organims body be used as evidence of evolution?

Serjik [45]

Homologous structures suggest that comparable selected pressures can produce similar adaptations, whereas analogous structures show that similar selective pressures can cause similar adaptations (beneficial features).
Similarities and differences among biological molecules (for example, in the DNA sequence of genes) can be utilized to assess the relatedness of species.

I hope this helps you
:)

7 0

3 years ago