Assignment 7 (20 Points)
STUDENT NAME: Eloi Ferguson
CHE 105 (Dr. Madabushi)
.
Instructions: You can take a printout and complete or you can complete this on
paper without taking a printout and post pictures of page(s).
1. Why do you think that fat soluble vitamins can build up to a toxic level in our
body? (1pts)
Fat soluble vitamins can be stored in the liver and fat & because of this, it can
build up toxic levels affecting the function.
2. Can you explain why grain processing removes most of the water soluble
vitamins? (1 pt)
Grain processing removes most of the thiamine content. Thiamine also known as
thiamin or Vitamin B1 is water soluble vitamin found in food.
3. Which of the vitamins play an important role in red blood cell development ? (2
pt)
Vitamin E, Vitamin B12
4. Why is scurvy caused and what are its symptoms? (2 pt)
Scurvy is a deficiency in vitamin C. Symptoms include collagen instability to
perform function, blood vessel disruption, delay in wound healing, weakness in
scar tissue, loosening of the teeth
5. Compare extracellular and intracellular body fluids, in terms of their location and
amount? (2 pt)
ECF: outside of cells, 55% of total body water
ICF: inside the cells, 45% of total body water
6. Name one ion in ECF and ICF and their role in body? ( 2 pts)
ECF: Sodium Na+, plays role in fluid and electrolyte balance
ICF: Potassium K+, maintains normal ICF volume & establish resting membrane
potential in neurons and muscle fibers
7. dATP contains the sugar deoxyribose, a precursor to DNA synthesis whereby
the two existing phosphate groups are cleaved with the remaining
deoxyadenosine monophosphate being incorporated into DNA during replication.
See the figure below. How is it different from ATP? (5 pts)
Draw the structure of ATP vs dATP and compare their structure and function in
living
organism.
DATP: consists of deoxyribose sugar, 2’ position of the deoxyribose consists of sugar
ATP: consists of ribose sugar, 2’ position of the ribose consists of a hydroxyl group.
Top: ATP
Bottom: DATP
8. List the diseases caused due to deficiency of these vitamins, if no diseases are
caused, please list that as ‘None’ (5 pts)
Vitamin
Diseases caused by deficiency
A
Night blindness, lowered immune system
D
Osteomalacia, osteoporosis
E
None
K
Weak bones oseoperosis
B1
Wernicke encephalopathy
B2
Retarded growth, bad skin
B3
Pellagra
B5
None
B6
Deficiency is more prevalent w/women w/diabetes
B7
Dermatitis, conjunctivitis
B9
Anemia
B12
Megaloblastic Anemia
C
Scurvy, swelling of gums