BIOS256 EXAM 2 with Verified Answers Graded A+
1. Describe the chemical composition
of Carbohydrates, Lipids and Pro-
teins( identify their monomers).
Carbohydrates: Monosaccharides
Lipids: Fatty acid and glycerol
Proteins: Amino acids
2. define hydrolysis reaction that breaks a covalent bon...
BIOS256 EXAM 2 with Verified Answers Graded A+
1. Describe the chemical composition Carbohydrates: Monosaccharides
of Carbohydrates, Lipids and Pro- Lipids: Fatty acid and glycerol
teins( identify their monomers). Proteins: Amino acids
2. define hydrolysis reaction that breaks a covalent bond
in a molecule by adding an OH group
to one side of the bond and H to the
other side, thus consuming a water
molecule.
3. define Anabolism process that builds food molecules
into complex chemical compounds
4. define Catabolism process that breaks food molecules
down, releasing their stored energy;
oxygen used in catabolism
5. define Dehydration Synthesis the creation of larger molecules from
smaller monomers where a water
molecule is released
6. List and describe the functions of A: Used in visual pigments ; antioxi-
the following vitamins: Vitamin A, Vi- dant
tamin B12, Vitamin C, Vitamin D, Vit- B12: Coenzyme required for erythro-
amin E poiesis
C: Hemoglobin synthesis ; Collagen
synthesis ;
Structure of connective tissues ; An-
tioxidant
D: Promotes calcium absorption and
bone mineralization
E: Antioxidant
7. insulin function -Promotes glycolysis and absorption
of glucose into cells
-Inhibits gluconeogensis
-Lowers blood sugar when it is too
high
8. Glucagon function
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, BIOS256 EXAM 2 with Verified Answers Graded A+
-Promotes gluconeogenesis and gly-
coneogenolysis
-Promotes lipolysis to make lipids
available for fuel
-Increases blood sugar when it is too
low
9. Gastrin function Stimulates acid secretion and gastric
motility
10. Secretin function regulation of gastric acid, regulation
of pancreatic bicarbonate, Raises pH
to the level required for pancreatic
and intestinal digestive enzymes
11. Somatostatin function Inhibits gastric secretion and motili-
ty; delays emptying of stomach; in-
hibits secretion by pancreas; inhibits
gallbladder contraction and bile se-
cretion; reduces blood circulation and
nutrient absorption in small intestine
12. Identify the hormone that will domi- Insulin
nate in the post absorptive state.
13. medulla oblongata function regulating vital function (breathing, di-
gestion, heart rate)
14. Hippocampus function learning and memory
15. Thalamus function relay station for sensory impulses,
pain
16. thymus function produces hormones that help to ma-
ture the T-cell Lymphocytes; immune
response
17. hypothalamus function water balance/bp/temp regula-
tion/hunger/thirst/sex--homeostasis
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