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Flura [38]
3 years ago
9

Please help giving brainliest

Biology
1 answer:
Ganezh [65]3 years ago
4 0

Answer:

D!!

All of these are ocean animals.

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The double helix of dna is which level of structure?
Vlad1618 [11]
<span>The double helix of dna is which level of structure? a.Primary

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3 years ago
In an analysis of the nucleotide composition of DNA, which of the following proportions will be found?
katrin [286]

Answer:

With respect to the composition of DNA, in an analysis it can be found that the proportions of nucleotides are A + C = G + T (option a).

Explanation:

The proportion of nucleotides in a DNA molecule can be established according to the sequence of these nucleotides on both complementary strands, since the purinic bases of one strand are complemented by the pyrimidinic bases of another:

  • <em>Adenine is complemented with Thymine A=T</em>
  • <em>Guanine is complemented with Cytosine G=C</em>

From this we can deduce that in a DNA molecule with two chains there will be the same amount of adenine and thymine, as well as the same number of guanine with respect to cytosine, so:

<em>     A + C = G + T</em>

An example of this would be a known DNA molecule (hypothetical), with 5 molecules of Adenine and 7 molecules of Guanine. In this case there are 5 Thymines, complementary with Adenine, and 7 Cytosines like Guanine:

<em>     A + C = G + T</em>

<em>     5 + 7 = 7 + 5</em>

6 0
3 years ago
Anyone know the answer ?
horrorfan [7]

Answer:

advantages of sexual reproduction:

it produces variation in the offspring

the species can adapt to new environments due to variation, which gives them a survival advantage

a disease is less likely to affect all the individuals in a population

disadvantages of sexual reproduction:

time and energy are needed to find a mate

it is not possible for an isolated individual

advantages of asexual reproduction

the population can increase rapidly when the conditions are favourable

only one parent is needed

it is more time and energy efficient as you don't need a mate

Disadvantages of asexual reproduction

it does not lead to variation in a population

the species may only be suited to one habitat

disease may affect all the individuals in a population

Explanation:

6 0
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Diagram of the human body system​
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Here is an image of the hun age body system

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Both GMOs and unmodified heirloom plants are commonly able to pass on genetic material through "Blank" gene transfer without hum
Artyom0805 [142]

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Energy

Explanation:

I honestly don’t know

4 0
2 years ago
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