The DNA molecule is most similar functionally to a ____
a. pair of scissors
b. flash light battery
c. Cookbook
d. ballpoint pen
e. craft kit of ceramic tiles
ANSWER: c
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The most common limit to plant growth is a lack of
a. phosphorous. b. carbon. c. hydrogen. d. oxygen. e. nitrogen.
Tissues on either sides of an apical meristem
develop into
a. flowers. b. branches. c. lateral meristems. d. leaves. e. more than one of these
A friend asks you a question after your biology class. "What's genetic engineering?" What is your answer?
A. "Genetic engineering is moving genes from one organism to another." B. "Genetic engineering is removing structural components, for example a lysosome, from one part of a cell and placing those structures elsewhere in that cell." C. "Genetic engineering is the ability of scientists to remove a nucleus from a cell and place it into another cell." D. "Genetic engineering is taking proteins from one organism and placing them into another organism of a different species."
The organ that performs filtration of blood, reabsorption, and secretion in vertebrates is the ________.
A. small intestine B. liver C. large intestine D. kidney E. pancreas