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Helga [31]
2 years ago
8

The diagram above shows some of the components of the lymphatic system. What is the name and function of the structure indicated

by letter B? Lymph vessel; transports lymph to lymph node Lymph vessel; returns lymph to subclavian veins Lymph trunk; returns lymph to subclavian veins Lymph trunk; transports lymph to lymph node
Biology
1 answer:
MatroZZZ [7]2 years ago
3 0

The correct answer is a lymph vessel that transports lymph to the lymph node.

The lymphatic system is the component of the vascular system and an essential immune system part, consisting of a network of lymphatic vessels, which transports a clear fluid known as lymph directionally towards the heart. Like the circulatory system, the lymphatic system is not a closed system.

One of the prime activities of the lymphatic system is to offer an addition return passage to the blood for the remaining three liters. The other main activity is that of defense in the immune system.


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In a population of plants, the allele for long stems (S) is completely dominant over the allele for short stems (s). If 35% of t
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Answer:

The correct answer would be 48 percent.

It can be solved by using the Hardy-Weinberg equation.

p² +  2pq+ q²  = 1

p + q = 1

where, p² represents homozygous dominant's frequency that is, SS in this case,

q² represents homozygous recessive's frequency that is, ss in this case,

2pq represents heterozygous dominant's frequency that is, Ss in this case.

p represents dominant allele's frequency and q represents the recessive allele's frequency.

Now, the percentage of homozygous recessive or short stems is 35%. Therefore, the frequency of homozygous recessive would be 0.35.

Thus, the value of q² = 0.35

So, q = \sqrt{0.35} = 0.59 which is approximately equals to 0.6.

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The frequency of heterozygous (Ss) = 2pq = 2(0.6)(0.4) = 0.48

Hence, the frequency of heterozygous would be 48 percent.

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