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3 years ago

Select all that apply.

2 answers:

7 0

The right options are; (A) are tight coils of DNA, (D) can be analyzed in a karyotype and (E) carry thousands of genes. Chromosomes are thread-like structures located in the nucleus of most living cells. Chromosomes are composed of DNA (deoxyribonucleic acid), which contains an organism's genetic information in the form of genes that is passed down from parents, histone protein and other structural proteins. DNA is coiled around the histone proteins which give it structural support. During cell division, chromosomes assist in the proper replication and distribution of DNA.

Pie3 years ago

3 0

I know that the correct answers are A) are tight coils of DNA, D) can be analyzed in a karyotype, and E) carry thousands of genes.
C might also be correct, but I am not sure about that one.

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3 years ago

Which of the following is NOT one of the three major types of stimuli to trigger endocrine glands to manufacture and release the

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Answer:

option C. permissive stimuli

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The three major kinds of stimulus that triggers the endocrine glands to synthesize and release hormones are humoral stimuli, hormonal stimuli and neural stimuli. The humoral stimulus regulates the release of hormones with the changes in the concentration of extracellular fluids. For example, the increase of glucose concentration in blood causes pancreas to release hormone insulin.

The hormonal stimuli allows secretion of hormone only with the secretion of any other hormone. The hypothalamus gland secretions allows the anterior pituitary gland to secrete hormones. The release of thyroid hormone is an example of hormonal stimuli.

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