As embryonic cells divide during cleavage, the daughter cells ____
a. grow to the same size as the parent cell
b. become progressively smaller
c. become progressively larger
d. are different in size from each other and the parent cell
e. may increase or decrease in size depending on their position
ANSWER: b
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A. experimentation B. biotechnology C. identification D. classification E. nomenclature
__________ in annelids regulate the composition of body fluid. Fill in the blank(s) with the appropriate word(s)
The transporter indicated by the letter "A" in
the above figure represents a. an active Br transporter. b. a sodium-potassium transporter. c. a passive potassium transporter. d. a calcium-phosphorus transporter. e. none of these.
Alternation of sporophyte and gametophyte generations is a characteristic of
A. Fungi. B. Archaea. C. Bacteria. D. Plantae.