The purpose of meiosis I is
A. to create 4 haploid cells.
B. to separate homologous chromosomes.
C. to replicate chromosomes.
D. to repair errors in DNA synthesis.
E. to separate sister chromatids.
Answer: B
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Hemolytic disease of the newborn
A. may not manifest itself fully until after birth. B. is due to the action of IgM. C. is due to the action of IgE. D. is a type I hypersensitivity reaction. E. may not manifest itself fully until after birth AND is due to the action of IgE.
The input zone of a neuron involves the:
a. axon only b. axonal terminals only c. cell body only d. dendrites only e. cell body and its dendrites, but not the axon or its terminals
In the accompanying figure, the function of the structure labeled as 1 represents:a
the formation of pith. b. protection. c. conduction of water and dissolved minerals from the roots. d. conduction of sugars from the leaves. e. photosynthesis.
Which of the following statements about members of the Kingdom Plantae is FALSE?
A) They are multicellular. B) They are composed of eukaryotic cells. C) They undergo photosynthesis. D) They use organic carbon sources. E) They synthesize organic molecules.