In a human cell,
a. one enzyme usually catalyzes no more than five different chemical reactions.
b. nearly all chemical reactions are catalyzed by enzymes.
c. enzymes have to be constantly replaced as they are used up in the reactions that they catalyze.
d. some enzymes are specialized to store activation energy.
Answer: b. nearly all chemical reactions are catalyzed by enzymes.
You might also like to view...
A mutation in the B genes of Arabidopsis would result in the incorrect formation of what structure?
A. Apical meristem B. Flowers C. Stems D. Roots
Which of these hormone-effect pairs is mismatched?
A. growth hormone-linear growth B. glucagon-blood pressure C. aldosterone-blood osmolality D. thyroid hormone-metabolism E. glucagon-glucose regulation
The Human Genome Project was completed in 2012 and revealed a genomic map of 38 million SNPs. Indicate whether the statement is true or false
Ligase enzymes are used to covalently bind together pieces of DNA
Indicate whether the statement is true or false