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wariber [46]
3 years ago
9

The minimum intensity of physical stimulation required to produce any sensation at all in a person is the ________.

Biology
1 answer:
polet [3.4K]3 years ago
5 0

Answer:back bone

Explanation:

because i said so

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3 years ago
An individual heterozygous for each of five genes (AaBbCcDdEe) is crossed with another individual who has the same genotype. a.
natima [27]

Answer:

32 different gametes can be produced

Explanation:

The possibilities of formation of the number of different gametes in a population are determined by the number of heterozygous alleles for a given gene in the organism.

The formula to calculate the number of gametes is- 2ⁿ where n represents the number of heterozygous alleles

In the given question, the five genes of the organism are considered which form five type of heterozygous allele like A, a, B,b and so on. Therefore five types of heterozygous alleles is possible.

So using the formula we have 2⁵= 32 gametes.

Thus, 32 gametes is correct.

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3 years ago
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Fruits and stem have lenticels. Give reason
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Answer:

lenticels appear on the surface of the bark as raised scars containing oval or rounded depressions. Lenticels are large sized aerating pores present in the cork tissue for gaseous exchange.it exchanges gases minerals,etc.

7 0
2 years ago
Use Darwin's theory of natural selection to explain how the elephant's trunk evolved
schepotkina [342]
An elephant's trunk evolved in order to be able to stuff in and eat as much food as it can to become the big animal it is today.
The elephant's ancestors were small and had a short nose. As it turns out, the larger body size the elephant has, the more chance it gets to survive and pass on its genes to the next generation. In order to gain a larger size, it needed to eat more and be able to reach more food. Of course, its small nose wasn't capable of doing that at the time. So, through natural selection, eventually the elephants that were bigger, had longer trunks, and therefore ate more, were more likely to pass on their genes to the next generation than their smaller counterparts, and therefore with each generation elephants got longer trunks.
8 0
3 years ago
Explain the method of passive transport that moves molecules across the plasma membrane of a cell
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7 0
3 years ago
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