BIOL 203 MIDTERM 2 REVISION EXAM QUESTIONS AND ANSWERS .

BIOL 203 MIDTERM 2 REVISION EXAM QUESTIONS AND ANSWERS .

Niacin is also called vitamin B______
✔✔Niacin (B3)

Heme: The iron mineral in ________
✔✔Heme: The iron mineral in food (only found in animal blood)

Absence of _________ will lead to anemia (too little blood)
✔✔Absence of heme will lead to anemia (too little blood)

Vitamin B_______ is responsible for synthesizing heme
✔✔Vitamin B6 (toxic in large amounts) is responsible for synthesizing heme

Nonheme iron: the iron in __________
✔✔Nonheme iron: the iron in plants

Metabolizing energy,
metabolizing amino acid
and metabolizing DNA (most important) are 3 roles of what water soluble vitamin?
✔✔Folate's 2 roles:
metabolizing energy,
metabolizing amino acid
and metabolizing DNA (most important)

Folate deficiency may cause spina bifida: infants are born with their _________ outside of the body
✔✔Folate deficiency may cause spina bifida: infants are born with their spinal cord outside of
the body

Folate deficiency may cause anencephaly: infants are born with a malformed/missing parts of
the _____
✔✔Folate deficiency may cause anencephaly: infants are born with a malformed/missing parts
of the brain