APHY 201 - chapter 1&2 Exam Questions with Correct Answers

APHY 201 - chapter 1&2 Exam Questions with Correct Answers


Question 1:
Trigylcerides
Answer:
....break down into glycerol and fatty acids (lipids)


Question 2:
Buffers prevent
Answer:
....big changes to pH when proton donors or proton acceptors are added to a solution


Question 3:
Unsaturated Fats
Answer:
....compromised of lipids that contain relatively few hydrogen atoms


Question 4:
a decrease in blood glucose that causes inhibition of insulin is an example of...?
Answer:
....negative feedback


Question 5:
dehydration synthesis
Answer:
....process which triglycerides are formed from glycerol and fatty acids


Question 6:
Specifity
Answer:
....protein binding only to one kind of molecule or group of closely related molecules


Question 7:
Isoforms
Answer:
....closely related proteins whose function is similar but whose affinity for ligands differs

, Question 8:
Galactose, fructose, glucose
Answer:
....monosaccharides


Question 9:
can a person have a blood pH of 7.2 and be considered excess acidity or acidosis?
Answer:
....yes


Question 10:
Enzyme
Answer:
....catalyst for a chemical reaction


Question 11:
sweating is caused by
- has more H+ ions than OH- ions
pH of 5 has more
Answer:
. Homeostasis
than


Question 12:
Negative feedback mechanisms may have a.?
Answer:
. a receptor, a control center, and an effector


Question 13:
Covalent bonds
- acidic
Answer:
. occur when electrons are shared between atoms
the more hydrogen ions = the more