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jenyasd209 [6]
3 years ago
10

Why are most of the stomata on the bottom of the leaf

Biology
1 answer:
larisa86 [58]3 years ago
3 0

Answer: Stomata plays very crucial roles in plants. During photosynthesis, gas exchange takes place via the stomata. Water also evaporates from plants through the stomata. In plants, most of the stomata are usually on the bottom of the leaf IN ORDER TO PREVENT EXCESSIVE LOSS OF WATER.

During the day, the sunlight falls on the leaf directly and draws water from the plants. Locating the stomata at the underside of the leave reduces the amount of water that can be lost through excessive evaporation. Also, locating the stomata on the underside of leaves prevent  the leaves from taking in too much water during rainfall.

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“The genetic code is universal.” This statement means that
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The correct answer is B

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There are five types of nucleotides in nature which are the building blocks of RNA and DNA and these are the same in all living organisms . These nucleotides are Adenine, Thymine, Guanine, Cytosine and Uracil.

According to base pairing rules, in all DNA molecules Adenine will always pair with Thymine while Guanine will always pair with Cytosine.

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Of the following elements, ___ is most responsible for global warming. oxygen carbon nitrogen phosphorous
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Explanation:

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A client with a potassium level of 5.5 meq/l is to receive sodium polystyrene sulfonate (kayexalate) orally. after administering
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3 years ago
A large population of laboratory rats was allowed to breed randomly for a number of generations. In this population, a dominant
ivann1987 [24]

Answer:

Frequency of heterozygous animals with agouti fur  is 42 %

Explanation:

As per the Hardy Weinberg's equation -

q^2 represents the frequency of population with phenotype expressed by homozygous recessive genotype

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and 2pq represents the frequency of population with phenotype expressed by homozygous recessive genotype

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q^2 = 0.49\\q = 0.7

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p + q = 1

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p = 1- 0.7 \\p = 0.3

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0.09 + 0.49 + 2pq = 1\\2pq = 1 - 0.58 \\2pq = 0.42

Frequency of heterozygous animals with agouti fur  is 42 %

5 0
3 years ago
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