Which substance is released by motor neurons to stimulate a contraction?

A) calcium B) acetylcholine C) dopamine D) myosin


Answer: B

Biology & Microbiology

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The hormone oxytocin stimulates ____

a. meiosis of oogonia b. ovulation c. implantation of the embryo d. development of the fetal heart e. contraction of uterine muscles during childbirth

Biology & Microbiology

The ____ would most likely contain blood that needs to be cleansed

a. renal vein b. renal artery c. nephron d. kidney e. bladder

Biology & Microbiology

Which of the following is a not one of the major reasons why women are less likely than men to enter treatment?

A. lack of family support B. obligation of child-rearing C. lack of gender specific treatment programs D. partner support

Biology & Microbiology

What is the oxidized form of the most common electron carrier that is needed for both glycolysis and the Krebs cycle?

A. pyruvate B. ATP C. NAD+ D. FAD E. acetyl-CoA

Biology & Microbiology