Chapter 6 proteins

Proteins contain

• Carbon, nitrogen, and aluminum

• Hydrogen, oxygen, and nitrates

• Hydrogen, carbon, oxygen and nitrogen

• Helium, carbon, oxygen and ammonia

Which of the following statements about protein synthesis is true

• Protein synthesis occurs in the nucleus of the cell

• Messenger RNA carries amino acids to ribosomes for assembly into proteins

• In the process of transcription, transfer RNA transfers DNA onto a Ribosome

• None of the above

The process of combining peanut butter and whole-wheat bread to make a complete protein is called

• Deamination

• Vegetarianism

• Transamination

• Mutual supplementation

Proteins in the blood

• Exert pressure that draws fluid out of the tissue spaces, preventing edema

• Can bind to excessive hydrogen ions, preventing alkalosis

• Can be converted to urea, which can then be used as energy

• All of the above

The enzyme that helps break down polypeptides in the small intestine is called

• Hydrochloric acid

• Pepsin

• Protease

• Bile

Which of the following statements about the RDA for protein is true?

• Althletes typically require about three times As much protein as nonathletes

• The RDA for protein is higher for men than for women.

• The RDA for protein is higher for children and adolescents than for adults

• Most Americans eat about three times the RDA for protein.

In treating protein -energy malnutrition, why is protein intake restored before feeding the patient fats?

• Protein is more readily available source of energy than fats.

• Protein levels in the blood must be adequate to transport fat.

• Protein is made up of DNA, which directs the metabolism of fats.

• Protein is the primary component of bile. Which is required to emulsify fats.

Which of the following meals is typical of a vegan diet?

• Rice,pinto beans,acorn squash, soy butter, and almond milk

• Veggie dog, bun, and a banana blended with yogurt

• Brown rice and green tea

• Egg salad on whole-wheat toast, broccoli, carrot sticks, and soy milk

After leaving the small intestine amino acids are transported to the liver and stored for later use

• True

• False

The only sources of complete proteins are foods derived

• True

• False