Question 1

Which of the following best describes an organic compound?

Accepted Answer

A molecule containing carbon and hydrogen

Question 2

Which functional group is nonpolar and commonly found in lipids?

Accepted Answer

Methyl group

Question 3

A dehydration reaction is important in the synthesis of which biological macromolecule?

Accepted Answer

Polypeptides

Question 4

Which of the following is a characteristic of monosaccharides?

Accepted Answer

Can be linked together to make polymers

Question 5

If two glucose molecules (each $$\mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6) $$are joined together, what is the molecular formula of the resulting disaccharide?

Accepted Answer

$$\mathrm{C}_{12}\mathrm{H}_{22}\mathrm{O}_{11}$$

Question 6

Which polysaccharide is found within the exoskeletons of insects?

Accepted Answer

Chitin

Question 7

Which property distinguishes lipids from other biological macromolecules?

Accepted Answer

They are hydrophobic

Question 8

Which fatty acid tail is saturated?

Accepted Answer

The tail with only single bonds between carbon atoms

Question 9

A phospholipid contains which of the following components?

Accepted Answer

Two fatty acid tails and a phosphate group

Question 10

Which of the following is a role associated with anabolic steroids?

Accepted Answer

All of the above

Question 11

Proteins are constructed from which monomers?

Accepted Answer

Amino acids

Question 12

If a protein is 117 amino acids in length, how many water molecules were removed in the protein's synthesis?

Accepted Answer

$$116$$

Question 13

Which level of protein structure involves interactions between multiple polypeptide chains?

Accepted Answer

Quaternary

Question 14

Which molecule is considered to be the unit of inheritance?

Accepted Answer

DNA

Question 15

Transcription is to nucleus as translation is to ________.

Accepted Answer

Cytoplasm

Question 16

Which of the following is NOT a component found in both DNA and RNA?

Accepted Answer

Deoxyribose sugar

Question 17

Which process best describes the following reaction: glucose + galactose $$\rightarrow$$ lactose + $$\mathrm{H}_2\mathrm{O}$$?

Accepted Answer

Dehydration reaction

Question 18

Which of the following statements about protein shape is correct?

Accepted Answer

Protein shape is determined by the sequence of amino acids

Question 19

Which of the following is a correct complementary sequence to the strand AGGCATGATA?

Accepted Answer

Question 20

Which of the following is a function of proteins in cells?

Accepted Answer

Catalyzing chemical reactions

Chapter 3: The Molecules of Cells – Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards