question archive 1) The conversion of pepsinogen into the active form, pepsin, requires: alkaline mucus
Subject:BiologyPrice: Bought3
1) The conversion of pepsinogen into the active form, pepsin, requires:
alkaline mucus.
vitamin B12.
an acidic pH.
intrinsic factor.
2. Which of the following functions involves enzymatic hydrolysis?
salivation
segmentation
nutrient breakdown
absorption
3. Emulsification within the small intestine combines fatty acids and monoglycerides with bile salts to become _________
micelles
triglycerides
chylomicrons
monoglycerides
4. Jerry had an early gastric ulcer affecting the innermost lining (layer closest to the lumen) of the stomach. Which tissue layer was damaged?
muscularis externa
mucosa
serosa (adventitia)
submucosa
5. You have received a copy of your lipid profile report in which the various forms of blood-borne cholesterol are measured. You were happy to see high levels of______
total cholesterol.
very-low density lipoproteins (VLDLs).
high-density lipoproteins (HDLs).
low-density lipoproteins (LDLs).
6. The majority of the body's energy and excess nutrients are stored as_________
triglycerides
amino acids.
protein
glycogen.
7. The process of bonding glucose molecules together to form glycogen is known as:
glycogenesis.
glycolysis.
gluconeogenesis.
glycogenolysis.
8. Select the statement that best describes lipogenesis: _______
Amino acids are assembled into triglycerides during lipogenesis.
Fatty acids are released in the circulation during lipogenesis.
Triglycerides are synthesized during lipogenesis.
Fatty acids are converted to glucose during lipogenesis.
9. The hormone responsible for promoting the processes of glycogenolysis and gluconeogenesis in the post-absorptive state is _______
insulin and secretin
glucagon and hydrocortisone
leptin and insulin
cholecystokinin and gastrin
10. Which term on a nutrition label represents the amount of energy stored within the food?
Total fat
Cholesterol
Calories
Sodium
11. The amount of energy consumed per unit time expended by the body to power all of its processes is called:
calorie consumption rate
metabolism
the (total) metabolic rate.
the basal metabolic rate
12. Which biologic monomers cannot be used to generate ATP?
amino acids
fatty acids
carbohydrates
nucleic acids
13. In which cellular area or organelle is the majority of ATP generated from glucose catabolism?
mitochondria
nucleus
cytosol
plasma membrane
14. Which lipoprotein variety is not formed in the liver?
HDL
chylomicrons
LDL
VLDL
15. Essential nutrients _______________
are made by the body.
are only obtained through the diet.
include cholesterol.
include carbohydrates
16. The citric acid cycle is the body's primary means for performing _______ Group of answer choices
ATP storage
ATP breakdown
ATP synthesis
ATP hydrolysis
17. Which hormone stimulates the uptake of glucose by cells, lowering the concentration of glucose in the blood?
cortisol
insulin
glucagon
epinephrine