Bil 150 Chapter 5 Complete Exam Questions with Correct Answers

Bil 150 Chapter 5 Complete Exam Questions with Correct Answers


Question 1:
The sex hormones estrogen, progesterone, and testosterone belong to which class of
molecules?
Answer:
Lipids



Question 2:
a nitrogenous base, a pentose sugar, and a phosphate
Answer:
The components of nucleic acids are .



Question 3:
Which of the following is a polymer?
Answer:
Cellulose, a plant cell wall component



Question 4:
Which is the term for compounds that do not mix with water?
Answer:
Hydrophobic



Question 5:
Nitrogenous bases are classified as either purines or pyrimidines. Examples of purines are The
tertiary structure of a protein includes all of the following interactions except bonds.
Answer:
peptide



Question 6:
The type of bond that forms to join monomers (such as sugars and amino acids) into polymers
(such as starch and proteins) is a(n) bond.

, Answer:
covalent



Question 7:
covalent covalent covalent Macromolecules, the molecules of life, include all of the following
except .
Answer:
trace elements



Question 8:
Which type of protein shields a newly forming protein from cytoplasmic influences while it is
folding into its functional form?
Answer:
Chaperonins



Question 9:
A shortage of phosphorus in the soil would make it especially difficult for a plant to
manufacture .
Answer:
DNA



Question 10:
Carbohydrates are used in our bodies mainly for .
Answer:
energy storage and release



Question 11:
The molecule with four fused rings that is found in animal membranes and is the precursor of
vertebrate sex hormones is .
Answer:
cholesterol