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USPshnik [31]
3 years ago
10

Select the correct answer from each drop-down menu. Sickle cell disease is passed on from parent to offspring. Sickle cell disea

se is an disease. Some carriers of the disease exhibit increased resistance to malarial parasites. This resistance is a mutation
Biology
1 answer:
allsm [11]3 years ago
5 0

Answer: All the statements of the question are correct.

Sickle cell disease is an autosomal recessive disorder that is characterized by formation of defective hemoglobin protein, which results in sickle shaped RBC ( red blood cell).

This disease is caused by mutation in the gene that is responsible for the protein hemoglobin ( which transport oxygen throughout body).

It is inherited by the offspring when both the mutated copy of genes ( one from each parent) are passed to him.

Carriers of the disease exhibit increased resistance to malarial parasites by controlling the level of free haem in the blood ( through enzyme heme oxygenase that produces a toxic carbon monoxide gas). The resistance thus developed, is a mutation.

Therefore, all the statements in the given question are correct.

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Describe the cycling of carbon in the carbon cycle as it passes through the living and non-living components of the ecosystem.
slamgirl [31]

Answer:

The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.

Explanation:

6 0
2 years ago
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Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same func
Misha Larkins [42]

Answer:

By identifying the bones as being homologous structures and by proposing that humans, bats, and dolphins share a common ancestor.

Explanation:

4 0
3 years ago
Binding of ________________ to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarizat
kifflom [539]

Answer:

Binding of   <u>ACh (acetylcholine)  </u>  to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.

Explanation:

It allows acetylcholine to be released into this synapse when an action potential hits a neuromuscular junction. Acetylcholine attaches to the nicotinic receptors localized on the post-synaptic membrane of the muscle fibre's motor end plate, a specialized region.

Hence , the answer is  <u>ACh (acetylcholine) .</u>

8 0
3 years ago
An RN enters a client's room and observes the unlicensed assistive personnel (UAP) forcefully pushing a client down on the bed.
aksik [14]

Answer:

A) Battery.

Explanation:

The RN is witnessing a case of battery because the unlicensed assistive personnel is forcefully pushing a client and is not paying attention to what the person needs, specially in a delicate state where the client needs contention and to be treated extremely well.

7 0
3 years ago
If a 16-cell human embryo were carefully divided in half, what would be likely to occur? Explain.
Marina CMI [18]

Answer:

Twins occur.

Explanation:

If the embryo is divided into half by artificial methods such as microsurgical, twins occur in the female body. Both the embryo are identical to each other. twins means that there will be two babies formed at the same time in the body of female. After the separation of embryo, both the embryos are genetically identical to each other and it continue to develop into a new organisms.

5 0
3 years ago
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