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Paraphin [41]
4 years ago
14

what is one characteristic of life that is not essential to the life of the organism but is necessary to its species

Biology
1 answer:
denis23 [38]4 years ago
5 0

Answer:

The answer is reproduction.

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Is this a marcomolecule?
bezimeni [28]

Explanation:

Protein I think is the answer for this question.

3 0
3 years ago
Which is used in selective breeding?
ikadub [295]
Natural selection my friend
8 0
3 years ago
What will happen if the number of organisms becomes 7000​
Novay_Z [31]

Although there is no context for this question, it would be safe to say that that population would have reached its carrying capacity, if not become overpopulated.

7 0
3 years ago
In the the fruit fly Drosophila, there is a dominant gene for normal wings and its recessive allele for vestigial wings. At anot
Irina18 [472]

Answer:

15

Explanation:

According to linkage theory, two genes present on the same chromosome tend to get inherited together. So the gametes produced are not equal in number and parental type offspring are observed more in number than the new recombinant types.

Here, normal wings, red eyes (420) and vestigial wings, purple eyes (430) are most in number hence they are the parental type offspring.

Vestigial wings, red eyes = 80 : recombinant

Normal wings, purple eyes = 70 : recombinant

Distance between two genes in cM = recombination frequency = (total number of recombinants / total progeny)*100

= [(80+70)/(420+80+70+430)]*100

= (150/1000)*100

= 0.15*100 = 15cM

8 0
3 years ago
The change in electrical potential that occurs when an impulse passes through a nerve cell
Nadusha1986 [10]

Answer:

The answer to this definition is: ACTION POTENTIAL

Explanation:

Action potential is a phenomenon in nervous system used to describe a change in electrical current that occurs when an impulse passes through a neuron or nerve cell. Action potential is induced when sodium (Na+) ions move from the extracellular environment into the intracellular environment.

Impulse travels across the axon of a neuron and thereby causes a difference in the electric potential i.e. - mv to + mv. This process, according to this question, whereby a change in electrical potential occurs due to the passage of an impulse through a nerve cell is termed ACTION POTENTIAL.

4 0
3 years ago
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