What is the correct order of steps during development?
a. Fertilization - cleavage - gastrulation
b. Fertilization - gastrulation - cleavage
c. Fertilization - differentiation - cleavage
d. Gastrulation - fertilization - cleavage
e. Cleavage - fertilization - gastrulation
a
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A polypeptide chain is composed of:
a. amino acids b. proteins c. nucleic acids d. fatty acids e. monosaccharides
One of the important effects of ethylene is
a. the breakdown of cells. b. cell elongation. c. cell division in meristems. d. activation of protein synthesis. e. inhibition of all of these processes
The high-pressure flow of blood through the glomerular capillaries:a
allows little plasma to be filtered in the kidney. b. is a result of the high hydrostatic pressure in the glomerular capillaries. c. is due to the large diameter of the efferent arterioles of the glomerular capillaries. d. is due to the small surface area for filtration provided by the glomerular capillaries. e. is due to the low permeability of the glomerular capillaries.
What is the probability that each of the following pairs of parents will produce the indicated offspring?
A) AABBCC × aabbcc ? AaBbCc B) AABbCc × AaBbCc ? AAbbCC C) AaBbCc × AaBbCc ? AaBbCc D) aaBbCC × AABbcc ? AaBbCc