Which of the following is thought to be the descendant of ancient bacteria?
A. Nuclei
B. Golgi bodies
C. ER
D. Mitochondria
E. Lysosomes
Answer: D
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The structure that people typically refer to as a
"mushroom" is technically called the a. basidiocarp. b. mycelium. c. ascocarp. d. hyphal mass. e. zygospore.
Which type of mutagen has a structure similar to one of the DNA nucleotides and therefore can work its way into DNA, where it pairs with a nucleotide?
What will be an ideal response?
Colchicine is a drug that:a
arrests cells in mitotic telophase. b. stimulates meiosis. c. prevents DNA replication. d. arrests cells in mitotic metaphase. e. prevents cells from entering prophase
Organisms are composed of molecules, which are collections of smaller units, termed
A. polymers. B. electrons. C. ions. D. monomers. E. atoms.