At what temperature is water most dense?
a. 0 degrees Celsius
b. 1 degree Celsius
c. 4 degrees Celsius
d. 10 degrees Celsius
e. 100 degrees Celsius
C
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Common SNPs may be important in causing ________ in humans or in ________ of disorders
Fill in the blank(s) with the appropriate word(s).
Why would a cell ferment rather than respire?
A. There's no oxygen present, and it cannot respire anaerobically. B. It lacks the ability to respire (i.e. no electron transport chain). C. There is no oxygen present and it cannot use anaerobic respiration OR it lacks the ability to respire (i.e., no electron transport chain). D. None of the above.
Which statement best describes the relationship between a carpel and a pistil?
A. The two terms are merely two names for the same thing. B. A pistil is part of a male component of the flower whereas a carpel is part of a female component. C. A pistil can be composed of either a single carpel (in which case the two terms are synonymous) or of two or more carpels fused together. D. A pistil is a reproductive part of a flower whereas a carpel is a showy vegetative part. E. A pistil is part of the female component of a flower and a carpel is not even a flower part at all.
During meiosis I, homologous chromosomes undergo chiasma formation. Which of the following can happen now when the homologous chromosomes synapse or contact each other?
a. Homologous chromosomes can undergo a process by which random proteins are made via independent assortment. b. Homologous chromosomes can exchange arms with one another via DNA replication. c. Homologous chromosomes can undergo a process by which identical characteristics are simultaneously expressed. d. Homologous chromosomes can exchange arms with one another via homologous recombination.