Question 1

Which of the following statements best describes the location and structure of DNA in a typical bacterial cell?

Accepted Answer

DNA is circular and found in the nucleoid region of the cytoplasm.

Question 2

Which domains of life are classified as prokaryotes?

Accepted Answer

Bacteria & Archaea

Question 3

A scientist isolates a cell that is 2 μm in size, lacks a nucleus, and has a cell wall. This cell is most likely a:

Accepted Answer

Bacterium

Question 4

Which of the following is NOT a feature shared by all cells?

Accepted Answer

Contains a nucleus that stores the genetic material

Question 5

Many species of Archaea are known to thrive in environments in which most living things would not survive. These Archaea are called:

Accepted Answer

Extremophiles

Question 6

Which of the following best describes the main difference between autotrophs and heterotrophs?

Accepted Answer

Their source of carbon for building cell components

Question 7

Organisms that use sunlight as their energy source and carbon dioxide as their carbon source are classified as:

Accepted Answer

Photoautotrophs

Question 8

Which of the following is a correct combination for a chemoheterotroph?

Accepted Answer

Uses preformed organic molecules as both energy and carbon source

Question 9

Which of the following is a primary difference between all prokaryotes and eukaryotic cells?

Accepted Answer

a and b

Question 10

Which of the following best describes the ribosomes found in bacterial cells?

Accepted Answer

They are 70S ribosomes and are found in the cytoplasm

Question 11

Which of the following statements about the cell wall in prokaryotes is correct?

Accepted Answer

Bacterial cell walls contain peptidoglycan, but archaeal cell walls do not

Question 12

Which of the following best describes the process by which prokaryotic cells divide?

Accepted Answer

Binary fission

Question 13

Which of the following is the best site to obtain a sample of Archaea rather than another domain?

Accepted Answer

A 95$$^\circC (203$^\circF) $$hot spring in Yellowstone

Question 14

Which of the following is NOT a function of the bacterial capsule?

Accepted Answer

Movement via flagella

Question 15

Which of the following statements about prokaryotic cell structure is correct?

Accepted Answer

Prokaryotic cells have circular DNA and lack a nucleus

Prokaryotes, Cell Types, and Prokaryotic Metabolism: Structured Study Notes

Study Guide - Practice Questions