In: Anatomy and Physiology
2 The peptides called orexins:
Question 1:-
Peptides called orexins:
D. Are powerful appetite stimulators.
Remaining other options are wrong because they are not concern with body energy and these are not hormones.
Question 2
When Protein deamination occurs, usually Urea are eliminated in urine.
In the question you have provided, there is no Urea option.
But ammonia mixes with oxygen and forms urea.
So that you can consider B.ammonia is correct answer from the above options.
Steroids and Acetyl CoA are the hormones and enzymes respectively which are not eliminated in urine. Ketone bodies are eliminated when Glucose is metabolized.
Question 3:-
Basal metabolic rate is the energy expenditure by the body at rest.
So that during resting period only BMR has to be calculated.
From the above options sleeping is the resting stage.
So that answer is D. Sleeping.
Question 4.
Aging decreases the functioning capacity of liver and kidney. So that the elderly are more likely having side effects.
So that answer is
D. Aging livers become less effective at detoxifying
Question 5.
Oxidation reduction reactions losses hydrogen and electronic usually by the influence of oxidases.
Answer is B. Require oxidases.
Question 6:-
One Glucose molecules yileds 32 ATP molecules in the presence of oxygen.