Question 1

Which of the following elements is NOT included in the CHNOPS mnemonic for the six most common elements in living things?

Accepted Answer

Calcium

Question 2

Which statement best describes an organic compound in biological terms?

Accepted Answer

It must contain carbon and at least one carbon-hydrogen bond.

Question 3

Carbon atoms are able to form diverse molecules because they can form how many covalent bonds?

Accepted Answer

$$4$$

Question 4

Which of the following is NOT a way that carbon skeletons can vary?

Accepted Answer

Type of ionic bonds

Question 5

Which type of isomer differs in the spatial arrangement around an asymmetric carbon atom?

Accepted Answer

Enantiomer

Question 6

A molecule with the formula $$C_5H_{12}$$ can have different covalent arrangements of its atoms. What type of isomerism does this represent?

Accepted Answer

Structural isomers

Question 7

Which of the following best describes the role of ATP in the cell?

Accepted Answer

It is the immediate energy currency for cellular activities.

Question 8

What happens when ATP is hydrolyzed to ADP?

Accepted Answer

Energy is released from the terminal phosphate bond.

Question 9

Which macromolecule is generally made up of monomers called amino acids?

Accepted Answer

Proteins

Question 10

Which of the following is a function of polysaccharides in living organisms?

Accepted Answer

Storing energy and providing structural support

Question 11

Which of the following is NOT a polymer?

Accepted Answer

Glucose

Question 12

Which bond joins two monosaccharides to form a disaccharide?

Accepted Answer

Glycosidic bond

Question 13

Which of the following is a correct general formula for carbohydrates?

Accepted Answer

$$(CH_2O)_n$$

Question 14

Which macromolecule does NOT have true monomers?

Accepted Answer

Lipids

Question 15

Which of the following is an example of a nucleic acid polymer?

Accepted Answer

RNA

Question 16

What type of covalent bond links amino acids together in a protein?

Accepted Answer

Peptide bond

Question 17

Which of the following is a function of proteins in living organisms?

Accepted Answer

Catalyzing reactions as enzymes

Question 18

Which of the following is a correct sequence for the flow of genetic information in a cell?

Accepted Answer

DNA $$\rightarrow$$ RNA $$\rightarrow$$ Protein

Question 19

Which of the following is a function of lipids in living organisms?

Accepted Answer

Repelling water and forming cell membranes

Question 20

Which process describes the joining of monomers to form polymers?

Accepted Answer

Polymerization

General Biology Study Notes: Carbon, Macromolecules, and ATP

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