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Vedmedyk [2.9K]
4 years ago
15

The process which hollow visceral organs undergo to propel substances is called _

Biology
1 answer:
kolbaska11 [484]4 years ago
8 0
The movement is called as peristalsis. This leads to the forward movements, which leads to pushing the food into the stomach and intestines, fro the esophagus, for digestion. It is a mechanical movement. These are the series of wave-like muscle contractions. 
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elixir [45]

Answer: "A muscle cramp is a sudden and involuntary contraction of one or more of your muscles"

Explanation:

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Learning is an evolutionary process. true or false.
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From a scientific standpoint, false- evolution must be passed on from generation to generation.
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1. Walking through the forest, you find a large population of toadstools. From your extensive knowledge of the kingdom fungi, yo
Lena [83]

Answer:

No, observed and expected frequencies are different.

Observed frequencies: p2 = 0.56 , 2pq = 0.375, q2 = 0.062

Expected frequencies: p2 = 0.774 , 2pq = 0.211, q2 = 0.014

Explanation:

Given frequency of recessive genotype (q2)= 14/ 1006 = 0.0139

Frequency of recessive allele s (q) = square root of 0.0139 = 0.12

Frequency of dominant allele S (p) = 1-q = 1-0.12 = 0.88

Expected frequency of homozygous recessive genotype = 0.12 x 0.12 = 0.014

Expected frequency of homozygous dominant genotype = 0.88 x 0.88 = 0.774

Expected frequency of heterozygous dominant genotype = 2pq = 2 x 0.88 x 0.12 = 0.211

Observed frequencies in population 2

Observed frequency of homozygous dominant genotype = 308 / 549 =0.56

Observed frequency of heterozygous dominant genotype = 206 / 549 =0.375

Observed frequency of homozygous recessive genotype = 34 / 549 =0.062

Observed frequencies do not match with expected frequencies.

6 0
4 years ago
To see a general view of a microscope slide, use _____ power. If you need to see a more specific and detailed view, use _____ po
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You use high power for a more detailed view on what you are looking at and you use the low power for a general view.
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Why is the fourth side of an occlusive dressing left open on a sucking chest wound, particularly if tension pneumothorax develop
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Answer:

The correct answer is - to allow air and blood to escape.

Explanation:

An occlusive dressing is a dressing that involves water and airtight on the wound or the opening in first aid. It is used to protect the incision or wound to be contaminated.

In the case of the pneumothorax development, the occlusive dressing is sealed with the three-sided but the fourth side is left open so it will allow air to the   escape from the pleural space and blood with the prevention of the backflow of air with inspiration.

Thus, the correct answer is - to allow air and blood to escape.

8 0
3 years ago
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