During a typical basketball game, a player undergoes periods of intense activity, switching between methods of respiration. The muscles rely largely upon___ metabolism when oxygen is depleted and on ___ metabolism once oxygen is restored.

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?