Carbohydrate
Gluconeogenesis is the

formation of glycogen
synthesis of glucose from non-carbohydrate precursors
breakdown of glucose to pyruvate
breakdown of glycogen to glucose

ANSWER DOWNLOAD EXAMIANS APP

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

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

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 carboxylation of pyruvate to oxaloacetate
The conversion of PEP to fructose bisphosphate

ANSWER DOWNLOAD EXAMIANS APP

Carbohydrate
Which of the following statements about the energy needs of cells is false?

The laws of thermodynamics force cells to acquire energy
The most usable energy for cells comes from the rapid combustion of glucose
Without a continuous input of energy, cell disorder will increase
Many cellular reactions have an associated activation energy

ANSWER DOWNLOAD EXAMIANS APP