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Structure/Bonding
Functional Groups and Molecules
Cell biology and organelles
Metabolism and Enzymes
Cellular Respiration and Photosynthesis
100

What is the charge of a neutron?

a. positive

b. negative

c. neutral

d. doubly positive

c. neutral

100

What functional group is characteristic of alcohols?

a. carboxyl

b. hydroxyl

c. amino

d. sulfhydryl

b. hydroxyl

100

Which structure is found in all cells?

a. nucleus

b. plasma membrane

c. mitochondria

d. chloroplast

b. plasma membrane

100

What is the overall goal of metabolism?

  • a) Store genetic information

  • b) Catalyze chemical reactions

  • c) Manage energy and material resources

  • d) Create new cells

c. manage energy and material resources

100

The final electron acceptor in cellular respiration is:

  • a) CO₂

  • b) NAD⁺

  • c) Oxygen

  • d) Water

c. oxygen

200

What type of bond is responsible for water's surface tension? 

a. covalent

b. ionic

c. hydrogen

d. van der waals

c. hydrogen

200

What kind of isomers are aldose and ketose?

Aldose has a carbonyl group at the end; ketose has it in the middle.

Structural isomers


200

What major event led to mitochondria according to endosymbiotic theory?

Engulfment of an aerobic prokaryote by a host cell. AKA Endosymbiont theory

200

Enzymes speed up reactions by:

  • a) Increasing temperature

  • b) Increasing activation energy

  • c) Decreasing activation energy

  • d) Breaking bonds directly

c. decreasing activation energy

200

The purpose of fermentation is to:

regenerate NAD+ for glycolysis when oxygen is absent

300

Hydrophobic substances are typically:

a. polar

b. nonpolar

c. ionic

d. amphipathic

b. nonpolar

300

Which part of an amino acid varies to create 20 different amino acids?

a. amino group

b. carboxyl group

c. r-group (side chain)

d. Hydrogen atom

c. r-group (side chain)

300

What distinguishes prokaryotes from eukaryotes?

  • a) Presence of DNA

  • b) Membrane-bound organelles

  • c) Ribosomes

  • d) Cytoplasm

b. membrane bound organelles

300

Draw a graph that indicates an exothermic reaction took place.

The reactants will start high and end low indicating loss of energy

300

In photosynthesis, the cyclic pathway produces:

  • a) Oxygen

  • b) ATP

  • c) NADPH

  • d) Glucose

b. ATP
400

Which of the following properties of water allows it to moderate Earth's climate by absorbing and releasing large amounts of heat with little temperature change?

a) Cohesion
b) Adhesion
c) High specific heat
d) Surface tension


c. high specific heat

400

Which functional group acts as a base by accepting H+ ions?

a. carboxyl

b. amino

c. phosphate

d. methyl

b. amino

400

A cell placed in a hypertonic solution will:

  • a) Gain water

  • b) Lose water

  • c) Remain the same

  • d) Burst

b. lose water

400

In oxidation-reduction reactions, oxidation involves:

  • a) Gain of electrons

  • b) Loss of electrons

  • c) Gain of protons

  • d) Gain of neutrons

b. loss of electrons

400

The main product of glycolysis is:

  • a) CO₂

  • b) Pyruvate

  • c) Acetyl-CoA

  • d) Ethanol

b. Pyruvate

500

Phosphate groups are most commonly found in: 

a. proteins

b. lipids

c. nucleotides

d. sugars

c. nucleotides