Which of the following represents two general factors that determine the fate of a chemical reaction in living cells?
A. its enzyme and rate
B. its enzyme and direction
C. its direction and rate
D. its rate and product
E. its enzyme and products
C. its direction and rate
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Which of the following is associated with echinoderms?
a. water vascular system b. open digestive system c. closed urinary system d. asexual reproductive system
An individual that has two dominant alleles for a trait (AA) is __________. Fill in the blank(s) with the appropriate word(s)
Cytochromes contain a heme group similar to that in hemoglobin. The iron atom (Fe) in the center of the group can be oxidized and reduced. If someone was suffering from iron deficiency anemia, what stage of cellular respiration would be most affected?
A. glycolysis B. the electron transport chain C. fermentation D. the Krebs cycle
In eukaryotes, binding of the 40S ribosomal subunit to mRNA
a. involves recognition of the 5? terminus of the mRNA by the 40S subunit. b. involves ribosomal proteins binding to a recognition sequence in the mRNA. c. involves base-pairing between the mRNA and rRNA. d. involves base-pairing between the AUG start codon and rRNA. e. follows the binding of the 60S subunit.