This hormone is secreted from the posterior pituitary and regulates muscle contraction.

A. antidiuretic hormone
B. prolactin
C. adrenocorticotropic hormone
D. oxytocin
E. epinephrine


D. oxytocin

Biology & Microbiology

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If a normal diploid germ cell in a bird has eight chromosomes, then ______

a. there are eight homologous pairs of chromosomes per diploid germ cell b. there are eight chromatids per diploid germ cell after DNA replication c. there are four chromosomes per cell after the first meiotic division and cytokinesis d. there are eight chromosomes in the sperm cells made from this diploid germ cell e. there are eight copies of each chromosome in this diploid germ cell

Biology & Microbiology

The ABO blood types have ____ different genotypes

a. 4 b. 6 c. 8 d. 12 e. 16

Biology & Microbiology

Oogenesis differs from spermatogenesis in ________

A) the number of functional gametes produced B) when it is completed C) the size of gametes produced D) All of the above are true.

Biology & Microbiology

On food packages, to what does the term "insoluble fiber" refer?

A) cellulose B) polypeptides C) starch D) amylopectin E) chitin

Biology & Microbiology