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raketka [301]
4 years ago
6

Natural selection is based on Darwin's observation that individuals most likely to survive and reproduce are those

Biology
1 answer:
aivan3 [116]4 years ago
8 0

Answer:

with traits best suited to their current environment

Explanation:

Natural selection proposes that nature selects those organisms that are well adapted to the prevailing environmental conditions to survive and reach reproductive maturity with the favourable characteristics being passed on to the offspring. Those organisms that are poorly adapted die leaving no offspring and their traits are eventually eliminated.

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In humans, the hormone testosterone enters cells and binds to specific proteins, which in turn bind to specific sites on the cel
LuckyWell [14K]

Answer:

As a transcription factor

Explanation:

Testosterone is a male sex hormone secreted by the testicles which promote the growth of the male reproductive organs and the male characters like muscle buildup.

The hormone shows the paracrine effect and thus act on the target cell at distant. The mechanism of action of the testosterone is that it controls the gene expression of various other genes.

The testosterone binds the specific proteins which activate the expression of the gene that is they acts as a transcription factor which activates the expression.  

Thus, as a transcription factor is correct.

4 0
3 years ago
1. If a lily (a type of flower) has 48 chromosomes in its leaf cells, how many chromosomes will its pollen have?
stepan [7]

Answer:

i want to say 6 but I am not sure

4 0
3 years ago
Why are bacteria needed in the nitrogen cycle
Ahat [919]
It is the first option. Atmospheric nitrogen is very stable so there fore hard to react with. But bacteria contain molecules that can break the bond of nitrogen.
5 0
4 years ago
Inter calary meristem is also called as​
Artist 52 [7]

Answer:

Intercalary meristem is a type of meristematic tissue associated with the growth in length in the middle position, thus the name. In particular, it is made up of meristematic cells that divide mitotically in the stem at the base of nodes and leaf blades. The growth at this point is referred to as intercalary growth.

Explanation:

hopw this helps :)

5 0
3 years ago
Explanation of why are the continents are still moving today. please hurry its urgent ​
Bumek [7]

Answer:

global warming

Explanation:

the earths temperature

4 0
4 years ago
Read 2 more answers
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