Test 1 Chapter 3

Question 1

A single round prokaryotic cell is called a:

Answer 1

Coccus

Question 2

Which of the following is a spiral shaped prokaryotic cell?

Answer 2

Spirillum

Question 3

A solution with the same tonicity as the cell is a/n _____ solution

Answer 3

Isotonic

Question 4

Prokaryotic ribosomes have a _______ structure

Answer 4

30S, 50S, 70S

Question 5

Cell walls influence morphology. T/F?

Answer 5

Ture

Question 6

Which of the following is not a membrane transport mechanism in eukaryotes?

Answer 6

Bulk Transport, Movement of large materials across a membrane. Active transport, requires energy

Question 7

The archaeal cell wall contains NAG and NAM. T/F

Answer 7

False, Bacterial cell wall not archaeal

Question 8

Which scientists conclusively disproved spontaneous generation?

Answer 8

Louis Pasteur, with the swan neck flask

Question 9

Who showed the importance of handwashing in disease prevention?

Answer 9

Semmelweis

Question 10

Where is rRNA synthesized?

Answer 10

Nucleolus

Question 11

Which of the following solutions would result in no net water
movement into or out of the cell?

Answer 11

Isotonic Solution

Question 12

Which of the following best describes pinocytosis?

Answer 12

import of small materials and liquids by vesicles

Question 13

Which of the following plays a role in lipid synthesis and
detoxification?

Answer 13

smooth endoplasmic reticulum (SER)

Question 14

Which of the following assists in maintaining the position of the
nucleus?

Answer 14

Intermediate Filaments

Question 15

Endotoxin is associated with ________

Answer 15

Gram-Negative cells only

Question 16

Which of the following can digest old organelles

Answer 16

Lysosome

Question 17

Who began using carbolic acid as a disinfectant during surgery?

Answer 17

Lister

Question 18

Which of the following is found in the cell wall of all bacteria?

Answer 18

Peptidoglycan

Question 19

Which of the following can form endospores?

Answer 19

Bacillus and Clostridium

Question 20

Prokaryotic flagella have a whip-like motion. T/F?

Answer 20

False, rotating motion

Question 21

Which of the following is NOT a response to a stimulus in bacterial cells?

Answer 21

Prophylaxis

Question 22

Which of the following modifies lipids and proteins for export
from the cell?

Answer 22

Golgi Body

Question 23

Gram-Positive bacterial cell walls have an outer membrane. T/F

Answer 23

False.