FREE PHYSIOLOGY AND STUDY GAMES ABOUT CHAP 4

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FREE PHYSIOLOGY AND STUDY GAMES ABOUT CHAP 4

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -50 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: ATP

Answer:

is the form of energy that cells generally use.Question 2: Which level of protein structure refers to the number, kind, and sequence of amino acids?

Answer:

Primary Question 3: Amino acids frequently become joined by:

Answer:

Peptide Bonds

Question 4: The most important monosaccharide is

Answer:

glucose.

Question 5: Prostaglandins and steroids share which of the following characteristics?

Answer:

Both have a ring structure in their molecule.

Question 6: The lipid that is often referred to as a tissue hormone is

Answer:

prostaglandin.

Question 7: A saturated fatty acid is one in which

Answer:

all available bonds of its hydrocarbon chain are filled.

Question 8: Proteins are polymers of

Answer:

amino acids.

Question 9: Which of the following is not true of RNA?

It contains ribose sugar.It contains adenine.It is composed of smaller molecules called nucleotides.All of the above are true of RNA.

Answer:

All of the above are true of RNA.

Question 10: In base pairing of DNA molecules, _____ is bound to _____.

Answer:

adenine; thymine Question 11: Sometimes referred to as animal starch, _____ is the main polysaccharide in the body.

Answer:

Glycogen

Question 12: All of the following substances are organic except: -lipids -electrolytes.-carbohydrates.

• proteins.

Answer:

-electrolytes.Question 13: Peptide bonds join together molecules of:

Answer:

amino acids

Question 14: DNA and RNA are important because

Answer:

information molecules.

Question 15: The roles played by proteins can be divided into which categories?

Answer:

Structural & Functional Question 16: Which term means "water loving" and applies to the phospholipid head?

Answer:

hydrophilic Question 17: The formation of sucrose involves the removal of a molecule of water. This is

called:

Answer:

dehydration synthesis.Question 18: A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond is a

Answer:

nucleic acid

Question 19: All proteins have which four elements?

Answer:

carbon, oxygen, hydrogen, and nitrogen Question 20: The type of lipoprotein associated with "bad" cholesterol and the production of

atherosclerotic changes in blood vessels is:

Answer:

LDL Question 21: f one side of a DNA molecule is CTAGGCTG, the other side would be:

Answer:

GATCCGAC.

Question 22: The element that is present in all proteins but not in carbohydrates is:

Answer:

Nitrogen Question 23: When two molecules of glucose are joined, they form which disaccharide?

Answer:

Maltose Question 24: Chaperone proteins assist in the proper folding of other proteins so they can have the correct functional shape.

Answer:

True Question 25: What term is often used to describe certain arrangements of atoms attached to the carbon core of many organic molecules?

Answer:

functional group

Question 26: What determines how a protein performs?

Answer:

shape