Question 1

Within eukaryotic cells, which organelle is surrounded by a double membrane and carries the coding that determines protein synthesis?

Accepted Answer

A)   smooth endoplasmic reticulum
B)   lysosome
C)   nucleolus
D)   nucleus
E)   rough endoplasmic reticulumF) A) and C)
G) C) and D)

Question 2

Surface-area-to-volume ratios indicate

Accepted Answer

A)   cells must exceed a certain minimum size.
B)   as cells get larger, their surface area actually decreases.
C)   that the largest cells have a less proportionate need for food intake and waste removal.
D)   a chicken egg is one cell which demonstrates the upper limit for metabolizing cell size.
E)   as cells get larger, their surface area gets larger but at a slower rate than the volume increases.F) B) and E)
G) A) and D)

Question 3

Which of the following is true concerning the cell theory?

Accepted Answer

A)   Matthias Schleiden stated that animals are composed of cells.
B)   Anton van Leeuwenhoek is recognized for making some of the earliest microscopes.
C)   Hooke researched animal tissues and discovered that they were all made of cells.
D)   Theodor Schwann came to the conclusion that cells come from preexisting cells.
E)   No one knows who first used the term "cells."F) All of the above
G) B) and E)

Question 4

Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion, then

Accepted Answer

A)   vesicles must travel from the Golgi to the cell surface.
B)   vesicles must travel from the rough ER and smooth ER to the Golgi apparatus.
C)   the Golgi apparatus must be part of the endomembrane system.
D)   the Golgi apparatus must consist of 3 to 20 slightly curved sacs.
E)   the Golgi apparatus would contain proteins.F) A) and D)
G) C) and E)

Question 5

Which organelle will take in carbon dioxide and give off oxygen and water?

Accepted Answer

A)   lysosome
B)   Golgi apparatus
C)   mitochondrion
D)   chloroplast
E)   endoplasmic reticulumF) A) and B)
G) D) and E)

Question 6

The motor molecules associated with actin filaments in muscle cells are called

Accepted Answer

A)   centrosomes.
B)   centrioles.
C)   dynein.
D)   myosin.
E)   kinesin.F) A) and C)
G) None of the above

Question 7

Which of the following would be considered evidence that chloroplasts are involved in photosynthesis?

Accepted Answer

A)   Isolated chloroplasts give off oxygen when exposed to sunlight.
B)   Plants that are green contain chloroplasts.
C)   Both plants and algae have chloroplasts.
D)   Plants have both chloroplasts and mitochondria.
E)   Chloroplasts contain thylakoids which are stacked in structures called grana.F) None of the above
G) C) and E)

Question 8

During photosynthesis, solar energy is converted to chemical energy by the chloroplasts. The process is represented by

Accepted Answer

A)   carbohydrate + oxygen → carbon dioxide + water + energy.
B)   carbohydrate + carbon dioxide → oxygen + water + energy.
C)   solar energy + oxygen + water → carbohydrate + oxygen.
D)   solar energy + carbon dioxide + water → carbohydrate + oxygen.
E)   solar energy → carbohydrate + oxygen.F) A) and B)
G) A) and C)

Question 9

Explain why cells are considered the basic unit of life.

Accepted Answer

Answers will vary. All of the chemistry ...

Question 10

Both plant and animal cells have mitochondria because they both

Accepted Answer

A)   carry on photosynthesis.
B)   have a large central vacuole.
C)   have endoplasmic reticulum.
D)   need ATP for energy.
E)   have lysosomal hydrolytic enzymes.F) C) and E)
G) A) and E)

Question 11

According to the cell theory

Accepted Answer

A)   all organisms are composed of tissues.
B)   the smallest unit of life is a nucleus.
C)   animals but not plants are composed of cells.
D)   a multicellular organism is composed of many cells.
E)   new cells arise only from preexisting cells.F) A) and B)
G) All of the above

Question 12

Centrioles

Accepted Answer

A)   consist of a 9 + 2 pattern.
B)   are short cylinders of microtubules surrounding a hollow center.
C)   carry on cellular respiration.
D)   are found in plant cells.
E)   are composed of actin.F) A) and B)
G) None of the above

Question 13

You are investigating a cell under the microscope and you realize the cell is missing ribosomes. Based on what you know about ribsomes, the cell would

Accepted Answer

A)   be unable to form a spindle apparatus.
B)   be unable to synthesize proteins.
C)   be unable to respire.
D)   would hydrolyze too much fat.
E)   form extra lysosomes.F) All of the above
G) A) and D)

Question 14

Since all organisms carry on cellular respiration, all living cells must contain mitochondria.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following cell organelles is a good target for antibacterial drugs?

Accepted Answer

A)   plasma membrane
B)   DNA
C)   ribosomes
D)   cytoplasm
E)   endoplasmic reticulumF) B) and D)
G) None of the above

Question 16

If an active cell produces an important protein for secretion, what is the correct sequence of organelles that are involved in the production of the protein?

Accepted Answer

A)   endoplasmic reticulum → ribosomes → Golgi apparatus
B)   ribosomes → endoplasmic reticulum → Golgi apparatus
C)   endoplasmic reticulum → Golgi apparatus → ribosomes
D)   Golgi apparatus → endoplasmic reticulum → ribosomes
E)   ribosomes → Golgi apparatus → endoplasmic reticulumF) All of the above
G) A) and C)

Question 17

Ribosomes are composed of

Accepted Answer

A)   DNA and RNA.
B)   DNA and protein.
C)   only protein.
D)   RNA and protein.
E)   only DNA.F) A) and B)
G) A) and C)

Question 18

Which organelles have a 9 + 2 pattern of microtubules?

Accepted Answer

A)   cilia and centrioles
B)   cilia and flagella
C)   centrioles and flagella
D)   chloroplasts and mitochondria
E)   mitochondria and centriolesF) C) and D)
G) A) and C)

Question 19

The primary plant cell wall and the bacterial cell wall are both composed of peptidoglycan.

Accepted Answer

A) True 
 B)False

Question 20

According to the endosymbiotic theory, early eukaryotic cells became the mitochondria and chloroplasts found in prokaryotic cells.

Accepted Answer

A) True 
 B)False

Exam 3: Cell Structure and Function

Which organelle will take in carbon dioxide and give off oxygen and water?

Correct AnswerverifiedShow Answer

Centrioles

Correct AnswerverifiedShow Answer

Both plant and animal cells have mitochondria because they both

Correct AnswerverifiedShow Answer

Which organelles have a 9 + 2 pattern of microtubules?

Correct AnswerverifiedShow Answer

Ribosomes are composed of

Correct AnswerverifiedShow Answer

According to the cell theory

Correct AnswerverifiedShow Answer

The primary plant cell wall and the bacterial cell wall are both composed of peptidoglycan.

Correct AnswerverifiedShow Answer

The motor molecules associated with actin filaments in muscle cells are called

Correct AnswerverifiedShow Answer

Which of the following is true concerning the cell theory?

Correct AnswerverifiedShow Answer

If an active cell produces an important protein for secretion, what is the correct sequence of organelles that are involved in the production of the protein?

Correct AnswerverifiedShow Answer

Explain why cells are considered the basic unit of life.

Correct AnswerverifiedAnswers will vary. All of the chemistry ...View AnswerShow Answer

Within eukaryotic cells, which organelle is surrounded by a double membrane and carries the coding that determines protein synthesis?

Correct AnswerverifiedShow Answer

Surface-area-to-volume ratios indicate

Correct AnswerverifiedShow Answer

Which of the following would be considered evidence that chloroplasts are involved in photosynthesis?

Correct AnswerverifiedShow Answer

According to the endosymbiotic theory, early eukaryotic cells became the mitochondria and chloroplasts found in prokaryotic cells.

Correct AnswerverifiedShow Answer

During photosynthesis, solar energy is converted to chemical energy by the chloroplasts. The process is represented by

Correct AnswerverifiedShow Answer

Since all organisms carry on cellular respiration, all living cells must contain mitochondria.

Correct AnswerverifiedShow Answer

Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion, then

Correct AnswerverifiedShow Answer

You are investigating a cell under the microscope and you realize the cell is missing ribosomes. Based on what you know about ribsomes, the cell would

Correct AnswerverifiedShow Answer

Which of the following cell organelles is a good target for antibacterial drugs?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answers will vary. All of the chemistry ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified