Ejection of milk from the breasts is caused by the hormone ________
Fill in the blank(s) with correct word
oxytocin
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Which structure will form the outer layer of a bone? a. Yellow marrow b. Compact bone c. None of these choices
d. Spongy bone e. Red marrow
Which statement about cytokinesis is true?
a. In animals, a cell plate forms. b. In plants, it is initiated by furrowing at the membrane. c. It immediately follows the G1 phase of the cell cycle. d. In animal cells, actin and myosin play an important role. e. It is the division of the nucleus.
Which feature would be the least useful in determining if a protist were a close relative of plants?
A. Capacity for photosynthesis B. Plasmodesmata between cells C. Cellulose cell walls D. Enzymes for ATP production
If an individual with the dominant phenotype is crossed with an individual with the recessive phenotype and all the offspring have the dominant phenotype, it would be concluded that the individual with the dominant phenotype is _____.
a. homozygous dominant b. heterozygous c. homozygous recessive