Your Job Is to Determine If a Steroid Hormone Is

question 67

Multiple Choice

Your job is to determine if a steroid hormone is having an effect on its target tissue. Which response would indicate activation of the target tissue by the hormone in question?

• A) increased cyclic AMP levels
• B) activation of G-proteins
• C) increased levels of mRNA
• D) increased calcium level in the cytoplasm
• E) increased polysaccharide levels in the cytoplasm

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Definitions:

Guanine

Guanine is one of the four main nucleobases found in the nucleic acids DNA and RNA, where it forms base pairs with cytosine.

Cytosine

One of the four main bases found in DNA and RNA, a pyrimidine nucleotide that pairs with guanine.

Nucleus

The central and most important part of an atom, containing protons and neutrons, or a membrane-bound organelle in cells containing the genetic material.

Chromosomes

Structures made of DNA and protein found in the nucleus of cells that carry genetic information from one generation to the next.