4. Describe the structure and function of the lymphatic system.

1 answer:

4 0

The primary function of the lymphatic system is to transport lymph, a fluid containing infection-fighting white blood cells, throughout the body. The lymphatic system primarily consists of lymphatic vessels, which are similar to the circulatory system's veins and capillaries.

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In sickle-cell disease, malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for

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Answer:

A. True

Explanation:

Hemoglobin is a protein and has two distinct types of polypeptide chains. These are called the alpha and beta subunits. The gene that code for the beta chain undergoes a mutation in a single base that causes sickle cell anemia. Here, adenine base in the genetic code for glutamic acid is substituted with a thymine base.

The genetic code for glutamic acid in the beta chain gene is GAG. The "A" is replaced with "T" and the new code "GTG" codes for valine. Therefore, the mutated hemoglobin has valine in place of glutamic acid. This makes these mutated protein molecules to form aggregates resulting in a change in the shape of RBCs carrying them.

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Which questions regarding gross motor skills should the nurse include when conducting the interview portion of the developmental

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The nurse should ask during the interview portion of the developmental assessment with the parent of an infant between 10 and 12 are; First Does your baby stand independently? Second "Is your baby able to walk with assistance?” and "Does your baby sit from a standing position?"

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Which factor is MOST likely to have contributed to the high fertility rate in Africa?

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Answer:

The answer is B. Poor access to medical care

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2 years ago

Read 2 more answers

What class of organic compounds stores energy as fat

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Answer:

Lipids

Explanation:

Fats are in the class of organic compounds known as lipids. Lipids are organic molecules that can store energy as fat.

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3 years ago

The growth of a population of sparrows accelerates with each generation. the chances of dying are about the same for these sparr

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Answer:

Exponential growth and a type II survivorship curve

Explanation:

Firstly we need to understand what exponential growth is, it is the type of growth in which population of any specie increases at a tremendous rate, constantly. In this type of growth, the increase is an exponential function of time for example, 2 reproduce to form form, four to sixteen and so on.

Population survivorship curves are simply the graphs representing increase in population with respect to time. There are three types of population survivor ship curve, Type I, Type II and Type III.

In Type II survivorship curve, there is a constant dying rate of individuals of population with respect to time.

Now lets come back towards question, where two characteristics of the population are mentioned,

Exponential growth of a population of sparrows with each generation.
Constant dying rate

This clarifies that Exponential growth and a type II survivorship curve is the best option representing the said scenario.

Hope it help!

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3 years ago