How do enzymes help a reaction to occur?

1.They increase the time a reaction takes to occur.
2.They increase the amount of energy required for a reaction to occur.
3.They bind reactants at the active site to bring them closer together.
4.They inhibit cofactors and exclude them from the reaction.


3

Biology & Microbiology

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When two AA glyptodonts mate, will they breed true for shell color? In other words, will the dominant phenotype be found in all of the offspring?

a. yes b. noc the shell color cannot be predicted

Biology & Microbiology

____ is the study of body plans and structures

among groups of organisms. a. Embryology b. Molecular archeology c. Evolution d. Comparative morphology e. Composition

Biology & Microbiology

Type 2 diabetes is caused by:

a. too much insulin in the blood. b. too little insulin in the blood. c. too much glucagon in the blood. d. too little glucagon in the blood. e. receptors being insensitive to insulin.

Biology & Microbiology

The form of infection with Entamoeba histolytica that is frequently asymptomatic is known as (extraintestinal/dysentery/luminal) amebiasis

What will be an ideal response?

Biology & Microbiology