BIOD 121 (Portage) Module 4 Questions and Correct Answers/ Latest Update / Already Graded

Page |1


BIOD 121 (Portage) Module 4 Questions
and Correct Answers/ Latest Update /
Already Graded
Anemia

Ans: Decreased capability of manufacturing RBC


Antioxidant

Ans: Inhibits oxidation via stopping substances (oxidants) from
causing damage to cells.


Antioxidant activity (Vitamin C)

Ans: Scavenger of free radicals and may be effective in
preventing certain cancers.


Ariboflavinosis

Ans: Riboflavin deficiency (rare)
glossitis- inflammation of tongue
cheilosis- cracks around mouth
sun sensitivity
confusion


All rights reserved © 2025/ 2026 |

, Page |2



Avidin

Ans: Protein in egg whites that binds biotin and decreases its
availability for absorption


Beriberi:

Ans: Thiamin-deficiency disease; loss of sensation in the hands
and feet, muscular weakness, advancing paralysis, and
abnormal heart action


Bioavailability

Ans: The amount of a vitamin that is absorbed and available to
the body. (high=50-90%)


Bioavailability (minerals)

Ans: Degree to which a nutrient is absorbed and available for
use by the body.


Biotin

Ans: Production of glucose and fatty acids
DNA synthesis

All rights reserved © 2025/ 2026 |

, Page |3


AA metabolism


Calcium (Ca)

Ans: Teeth and bone structure
Blood clotting
Nerve impulse transmission
Muscle contraction


Chloride (Cl)

Ans: Extracellular fluid control
Immune function
Component of hypochloric acid in stomach


Chromium (Cr)

Ans: Enhances transport of glucose across cells by aiding
insulin function.


Coenzymes

Ans: Small molecules that bind to inactive enzymes and, once
bound, cause the enzyme to become active.


All rights reserved © 2025/ 2026 |