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stiv31 [10]
3 years ago
8

What about the structure of DNA allows it to copy itself?

Biology
1 answer:
Ne4ueva [31]3 years ago
3 0

Answer:

C. It is double stranded, so each side serves as a template for a new strand

Explanation:

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Digeorge syndrome is characterized by a cleft palate, immune deficiency, and developmental issues. which chromosomal change caus
Temka [501]

The correct answer is Deletion.

DiGeorge syndrome, more commonly considered as 22q11.2 deletion syndrome. It refers to an ailment resulting when a small segment of chromosome 22 is missing. This deletion leads to poor development of many systems of the body.

The medical issues generally associated with 22q11.2 deletion syndrome involve poor immune system function, heart defects, a cleft palate, delayed development with emotional and behavioral issues, and issues associated with diminished levels of calcium in the blood.


7 0
3 years ago
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Which antibody class was produced first in this sequence of events
morpeh [17]

Answer:

IgM

Explanation:

........ ............ .

7 0
3 years ago
There are many different categories of T-cells that carry out various roles for the immune system. Differentiation for most T-ce
Likurg_2 [28]

Answer:

The answer is actually B) Memory T. Memory T cells rapidly produce large numbers of effector T-cells when re-exposed to their antigens, which provides the immune system  memory against past infections.

7 0
3 years ago
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After phosphates and nitrates have entered a water
frosja888 [35]

After phosphates and nitrates enter a water system, the steps of eutrophication include the rapid growth of algae, death of underwater plant species, depletion of oxygen in the water, and the death of fishes and invertebrates. The correct option would be B.

Eutrophication refers to the excessive enrichment of water bodies by nutrients such as phosphates and nitrates thereby facilitating the rapid growth of some aquatic species with negative effects.

Once a water body becomes excessively enriched with phosphates and nitrates, the following is a sequence of events that follows:

  • Algal bloom: the nutrients facilitate the rapid growth of algae
  • The bloom of algal species results in the death of underwater plants as a result of inadequate light.
  • The death of the underwater plants and the accompanying microbial activities in decomposing them cause oxygen levels in the water to drop.
  • Reduction in oxygen level causes fishes and other water invertebrates to die due to hypoxia

Therefore, the correct steps of eutrophication according to the illustration is IV, II, I, and III.

More on eutrophication can be found here: brainly.com/question/13232104

6 0
3 years ago
Can someone please help me? :(
bearhunter [10]

Answer: 5… I think

Explanation: sorry if I’m wrong.

4 0
2 years ago
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