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VladimirAG [237]
3 years ago
15

HELP ME PLS I DONT UNDERSTAND :( WILL GIVE BRAINLIEST 2 QUESTIONS

Biology
1 answer:
Serhud [2]3 years ago
5 0

Answer:

1. D, because plants are the main producers

2. B, because the wind direction makes Seattle coo and dry, and the mountain block some of the wind for Spokane

Explanation:

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if there are 500 people in a population, and 150 are homozygous HbA/hba, 150 are homozygous hbs/hbs, and 200 are heterozygous hb
sineoko [7]

Answer:

0.547

Explanation:

Given -

Total Population - 500

Individuals with homozygous HbA/hbA genotype - 150

Individuals with homozygous hbs/hbs genotype -150

Individuals with heterozygous hba/hbs genotype -  200

Let us assume the given population is in Hardy Weinberg' equilibrium

The frequency of individuals in the given population with homozygous HbA/hba genotype is equal to number of individuals with homozygous HbA/hba genotype divided by total population.

\frac{150}{500} \\= 0.3

The frequency of hba allele is equal to

\sqrt{0.3} \\= 0.5477

3 0
4 years ago
Dr. Graham exposes rats to a vanilla scent prior to receiving a food pellet in the left corner of their cage, but provides no fo
jenyasd209 [6]

Answer:

a. ​food pellet

Explanation:

In classical conditioning, an unconditioned stimulus is the stimulus that naturally elicits an unconditioned response. The unconditioned stimulus is usually paired with a neutral stimulus, and after pairing with a neutral stimulus, the neutral stimulus becomes a conditioned stimulus that elicits a conditioned response alone.

In the experiment described above in the question, <em>the unconditioned stimulus is the food pellet,</em> which naturally elicits the response of the rat to wait at the far left corner of the cage. The neutral stimulus which is paired with the food pellet is the vanilla scent, which now becomes the conditioned response, when paired alone.

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3 years ago
When the chemical name of a compound is being written the subscripts will determine the
erma4kov [3.2K]

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It will determine the number of molecules of the particular chemical in the compound.

8 0
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There are many different categories of T-cells that carry out various roles for the immune system. Differentiation for most T-ce
Likurg_2 [28]

Answer:

The answer is actually B) Memory T. Memory T cells rapidly produce large numbers of effector T-cells when re-exposed to their antigens, which provides the immune system  memory against past infections.

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A traumatic injury to the inferior angle of the mandible severs the hypoglossal nerve. Which of the following muscles would be a
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C, genioglossus is the answer :)
5 0
3 years ago
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