Question

Energy is extracted from food because: a) catabolism builds up complex molecules from simple precursors b)...

Energy is extracted from food because:

a) catabolism builds up complex molecules from simple precursors

b) carbon-hydrogen bonds become oxidized

c) carbon dioxide goes into the atmosphere and causes global warming

d) carbon-carbon bonds become reduced

Which best describes ATP (adenosine triphosphate)?

a) Hexose end product of glycolysis

b) Hydride carrier derived from a vitamin

c) Energy currency of the cell

d) Low energy molecule formed by hydrolysis of ADP (adenosine diphosphate)

Which process converts 2 three-carbon sugars into 1 six-carbon product?

a) Gluconeogenesis

b) Glycolysis

c) Glycogen synthesis

d) Glucose uptake

Glucose uptake by mammalian cells

a) occurs normally in diabetics

b) only happens during the daytime

c) requires the oxidation of NADH to NAD+

d) is facilitated by dedicated glucose transport proteins


Homework Answers

Answer #1

1. Option b is Correct

Enegy is extracted from the food molecules during cellular response by oxidising carbon-hydrogen bonds present in the complex molecules.

2. Option c is correct

ATP or Adenosine triphosphate is an energy rich molecule made up of nitrogenous base adenine and 3 high energy phosphate molecules. ATP is also known as the energy currency of a cell.

3. Option a is correct

Gluconeogenesis is a process through which non-carbohydrate molecules gives rise to a glucose molecule. Glucose can be produced from pyruvate, lactate and amino acids.

4. Option d is correct

Mammalian cells uptake glucose with the help of dedicated glucose transport proteins known as GLUT or glucose transporters.

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