In an enzyme-catalyzed reaction, the reactant is called the
A. product.
B. catalyst.
C. coenzyme.
D. substrate.
Answer: D
Biology & Microbiology
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In the absence of O2, the partial metabolism of glucose in human muscles produces _____
a. acetaldehyde b. carbon dioxide c. energy d. lactic acid e. oxygen
Biology & Microbiology
Algae are divided taxonomically into different groups based on differences in:
a. morphology. b. photosynthetic pigments. c. habitat. d. depth distribution. e. size.
Biology & Microbiology
Nitrogenous waste is excreted from Malpighian tubules mainly in the form of
a. nitrate. b. ammonia. c. uric acid. d. amino acids. e. urea.
Biology & Microbiology
A plant with the genotype AABbcc is ________
A. triploid B. heterozygous for two different genes C. recessive for three different genes D. homozygous for two different genes
Biology & Microbiology