Question 1

Which biomolecule is primarily responsible for providing quick energy during intense physical activities such as sprinting?

Accepted Answer

Carbohydrates

Question 2

Johnny is training for a marathon. Which biomolecule should he focus on consuming for long-term energy storage?

Accepted Answer

Lipids

Question 3

Which of the following is a function shared by both proteins and carbohydrates?

Accepted Answer

Providing energy

Question 4

Which two organelles are believed to have originated through the process of endosymbiosis?

Accepted Answer

Mitochondria and chloroplast

Question 5

Which of the following features is shared by all types of cells?

Accepted Answer

DNA

Question 6

In the bacteriophage diagram, which part is responsible for attaching to the host cell?

Accepted Answer

Tail fibers

Question 7

Which part of a virus is most similar in function to a cell membrane?

Accepted Answer

Envelope

Question 8

A patient experiences recurring cold sores that disappear and reappear over time. Which viral reproductive cycle is most likely responsible?

Accepted Answer

Lysogenic cycle

Question 9

Which of the following best describes the lytic cycle of viral reproduction?

Accepted Answer

The host cell is immediately destroyed, releasing new viruses

Question 10

Which statement about the cell membrane is correct?

Accepted Answer

The cell membrane is a semi-permeable barrier which allows some molecules to move into or out of the cell.

Question 11

Which of the following best explains why proteins are important for weight lifting and muscle building?

Accepted Answer

Proteins help build and repair muscle tissue.

Question 12

Which of the following is NOT a characteristic of prokaryotic cells?

Accepted Answer

They contain mitochondria.

Question 13

A virus with an envelope uses which structure to attach to a host cell?

Accepted Answer

Envelope protein

Question 14

Which of the following best describes endosymbiosis?

Accepted Answer

A process where an organism lives inside the cells of another organism.

Question 15

Which of the following is a correct sequence of steps in the lytic cycle of viral reproduction?

Accepted Answer

Attachment, entry, replication, assembly, release

Question 16

Which biomolecule is most directly involved in speeding up chemical reactions in the body?

Accepted Answer

Proteins

Question 17

A scientist discovers a new cell with a cell wall, DNA, and ribosomes, but no membrane-bound organelles. What type of cell is this most likely to be?

Accepted Answer

Prokaryotic cell

Question 18

Which of the following best explains why lipids are important for marathon runners?

Accepted Answer

Lipids provide long-term energy storage.

Question 19

Which of the following is a plausible reason why a virus can have either RNA or DNA as its genetic material?

Accepted Answer

Viruses can use either RNA or DNA to hijack the host's cellular machinery.

Question 20

A patient is infected by a virus and shows symptoms immediately. Which viral cycle is most likely responsible for this infection?

Accepted Answer

Lytic cycle

Unit 1: Cell Biology Study Guide – Biomolecules, Cell Types, and Viruses

Study Guide - Practice Questions