There are ____________________ chromosomes in a human tetraploid cell
Fill in the blank(s) with correct word
ninety-two
92
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Most plants store carbohydrates in the form of
(a) glucose. (b) sucrose. (c) starch. (d) water.
Sodium-potassium pumps maintain an electrochemical gradient
__________________ Indicate whether the statement is true or false.
The fact that a nucleic acid is a very complicated molecule suggests that
A. sophisticated enzymes were not present or available to synthesize it. B. RNA could not have arisen on its own by chance, but required enzymes to guide the synthesis of nucleotides and then nucleic acids. C. no natural system could ever generate it. D. the protein-first hypothesis is therefore the only plausible hypothesis. E. the RNA-first hypothesis is impossible.
The hormone ________ promotes both mammary gland development and milk production
Fill in the blank(s) with correct word