The difference between cofactors and coenzymes is that
a. cofactors are not necessary and coenzymes are necessary.
b. cofactors can be inorganic or organic, coenzymes are always inorganic.
c. cofactors can be inorganic or organic, coenzymes are just another name for organic
cofactors.
d. cofactors are always vitamins, coenzymes are always ions.
e. cofactors help with essential metabolic reactions, coenzymes assist with nonessential
metabolic reactions.
C
You might also like to view...
Organisms that grow well at 0°C and have optimum growth temperatures of 15°C or lower are called
A. frigiphiles. B. mesophiles. C. psychrotrophs. D. psychrophiles.
While eating lobster for dinner one night your friend asks what you think might happen if this marine invertebrate, which is normally isosmotic with respect to the surrounding seawater, were to be moved to a bay with a slightly lower salt concentration instead of being caught. You reply that, in order for the lobster to be isosmotic with respect to new environment,
A. it regulates its internal concentration of solutes to match that of its new environment. B. it moves water in or out and regulates its internal concentration of water as needed. C. it must move water in to match the solute concentration of its new environment. D. it must move water out to match the solute concentration of its new environment.
The structure that transports sperm cells from the epididymis to the urethra is the
A. vas deferens. B. ductus arteriosus. C. semen. D. prostate tubules.
The fungal phyla are distinguished primarily by
A. their mode of sexual reproduction. B. their size. C. their color. D. whether they make spores or not. E. their habitat.