Virtually all of the protein or amino acid-based hormones exert their effects through intracellular ________.

A) ions
B) deactivators
C) nucleotides
D) second messengers


D) second messengers

Anatomy & Physiology

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Which is not a function of the liver?

A. Formation of urea B. Maintaining blood glucose concentration C. Secretion of bile D. Secretion of insulin

Anatomy & Physiology

Which group of muscles elevates the first two ribs and flexes and rotates the neck?

A) the spinalis B) the iliocostalis C) the scalenes D) the splenius

Anatomy & Physiology

which term refers to a type of inheritance in which three or more alleles exist for the same gene?

a) incomplete dominance b) pleiotropy c) sex-linked inheritance d) polygenic inheritance e) multiple allele inheritance

Anatomy & Physiology

The Human Immunodeficiency Virus (HIV) targets CD-2 cells

Indicate whether the statement is true or false.

Anatomy & Physiology