Carbohydrate
When living organisms are cooled below some critical body temperature, the metabolic reactions within their cells cease to function properly. This malfunction occurs because

their enzymes lose the proper three-dimensional shape
the activation energy for the reaction is raised
there is insufficient molecular motion for substrates to interact
enzyme active sites become permanently bound to substrates

ANSWER DOWNLOAD EXAMIANS APP

Carbohydrate
The glycosidic bond

in maltose is not hydrolyzed in lactose intolerant humans
both (b) and (c)
in sucrose is hydrolyzed by bees
joins glucose and fructose to form sucrose

ANSWER DOWNLOAD EXAMIANS APP

Carbohydrate
Which of the following does not occur during gluconeogenesis?

The conversion of pyruvate to phosphoenolpyruvate (PEP)
The decarboxylation of oxaloacetate to phosphoenolpyruvate
The conversion of PEP to fructose bisphosphate
The carboxylation of pyruvate to oxaloacetate

ANSWER DOWNLOAD EXAMIANS APP