Question 1

Ribosomes are directly associated with which process?

Accepted Answer

A) Transcription 
B) Translocation 
C) Translation 
D) Replication 
A) Transcription 
B) Translocation 
C) Translation 
D) Replication C

Question 2

Four small bags are filled with a 10% starch solution.The membrane of each bag contains microscopic pores large enough to let smaller water molecules cross but too small for the larger starch molecules to cross.
Each bag is placed in a separate beaker as follows:
Bag 1 is placed in distilled water containing no starch (0% starch).
Bag 2 is placed in a solution of distilled water and 5% starch.
Bag 3 is placed in a solution of distilled water and 10% starch.
Bag 4 is placed in a solution of distilled water and 50% starch.
The bags are weighed initially and at regular intervals for a specific period of time.Some bags saw a change in weight, and some did not.

Accepted Answer

a.Bag 3; b.Bag 1; c.Bag 4

Question 3

What is the definition of endocytosis?

Accepted Answer

A) The entire plasma membrane turns itself inside out. 
B) The digestion of larger molecules that were brought into the cell. 
C) The transport of large molecules into the cell. 
D) The transport of large molecules out of the cell. 
A) The entire plasma membrane turns itself inside out. 
B) The digestion of larger molecules that were brought into the cell. 
C) The transport of large molecules into the cell. 
D) The transport of large molecules out of the cell. C

Question 4

Do only plants have vacuoles?

Accepted Answer

A) Yes, only plants cells have vacuoles. 
B) No, other organisms, such as certain types of fungi and protists, have vacuoles that serve different functions. 
C) No, other organisms, such as certain types of fungi and protists, have vacuoles that serve the same function as in plant cells. 
D) No, bacteria also contain vacuoles that serve the same function 
A) Yes, only plants cells have vacuoles. 
B) No, other organisms, such as certain types of fungi and protists, have vacuoles that serve different functions. 
C) No, other organisms, such as certain types of fungi and protists, have vacuoles that serve the same function as in plant cells. 
D) No, bacteria also contain vacuoles that serve the same function

Question 5

Which cellular structure is unique to plant cells?

Accepted Answer

A) Ribosome 
B) Chloroplasts 
C) Mitochondria 
D) Plasma membrane 
A) Ribosome 
B) Chloroplasts 
C) Mitochondria 
D) Plasma membrane

Question 6

Which structure selectively regulates the transport of substances into and out of a plant cell?

Accepted Answer

A) The plasma membrane 
B) The cell wall 
C) The nucleus 
D) The chloroplast 
A) The plasma membrane 
B) The cell wall 
C) The nucleus 
D) The chloroplast

Question 7

What is a phospholipid?

Accepted Answer

A) A special kind of lipid with a water-fearing head and 2 water-loving tails 
B) A special kind of lipid with a water-loving head and 2 water-fearing tails 
C) A special kind of lipid with 2 water-loving heads and 1 water-fearing tail 
D) A special kind of lipid with 2 water-fearing heads and 1 water-loving tail 
A) A special kind of lipid with a water-fearing head and 2 water-loving tails 
B) A special kind of lipid with a water-loving head and 2 water-fearing tails 
C) A special kind of lipid with 2 water-loving heads and 1 water-fearing tail 
D) A special kind of lipid with 2 water-fearing heads and 1 water-loving tail

Question 8

How is DNA linked to the production of proteins?

Accepted Answer

A) Proteins hold the instructions on how to make DNA. 
B) DNA is the end point of protein production that allows cells to finish making proteins. 
C) DNA holds the instructions for the cells on how to make proteins. 
D) DNA is not linked to the production of proteins. 
A) Proteins hold the instructions on how to make DNA. 
B) DNA is the end point of protein production that allows cells to finish making proteins. 
C) DNA holds the instructions for the cells on how to make proteins. 
D) DNA is not linked to the production of proteins.

Question 9

Which organelle functions to break down and recycle large molecules?

Accepted Answer

A) Ribosome 
B) Golgi apparatus 
C) Lysosome 
D) Chloroplast 
A) Ribosome 
B) Golgi apparatus 
C) Lysosome 
D) Chloroplast

Question 10

Which of the following statements is correct regarding chromosomes in a eukaryotic cell?

Accepted Answer

A) Chromosomes are strands of DNA, tightly wrapped up, that are located everywhere in the cell. 
B) Chromosomes are strands of RNA, tightly wrapped up, that are in the cytoplasm. 
C) Chromosomes are strands of DNA, tightly wrapped up, that are located in the nucleus. 
D) Chromosomes are strands of RNA, loosely wrapped up, that are located everywhere in the cell. 
A) Chromosomes are strands of DNA, tightly wrapped up, that are located everywhere in the cell. 
B) Chromosomes are strands of RNA, tightly wrapped up, that are in the cytoplasm. 
C) Chromosomes are strands of DNA, tightly wrapped up, that are located in the nucleus. 
D) Chromosomes are strands of RNA, loosely wrapped up, that are located everywhere in the cell.

Question 11

The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________.

Accepted Answer

A) vesicle 
B) flagellum 
C) pilus 
D) cilium 
A) vesicle 
B) flagellum 
C) pilus 
D) cilium

Question 12

Eukaryotes are ________.

Accepted Answer

A) always multicellular 
B) often multicellular, sometimes unicellular 
C) always unicellular 
D) often made of prokaryotic cells 
A) always multicellular 
B) often multicellular, sometimes unicellular 
C) always unicellular 
D) often made of prokaryotic cells

Question 13

Evaluate the statement: only the nucleus of eukaryotic cells contains DNA.

Accepted Answer

A) True 
 B)False

Question 14

If a cell had a damaged central vacuole, it would have difficulty performing what function?

Accepted Answer

A) Storing water 
B) Converting light energy into food molecules 
C) Converting food energy into cellular energy 
D) Assembling lipids 
A) Storing water 
B) Converting light energy into food molecules 
C) Converting food energy into cellular energy 
D) Assembling lipids

Question 15

If you were looking at a cell under a powerful microscope, what would tell you that it is a eukaryotic cell?

Accepted Answer

A) It has ribosomes. 
B) It has DNA. 
C) It has a nucleus. 
D) It is moving. 
A) It has ribosomes. 
B) It has DNA. 
C) It has a nucleus. 
D) It is moving.

Question 16

What is ATP?

Accepted Answer

A) A protein 
B) A carbohydrate 
C) An energy molecule 
D) An information storage molecule 
A) A protein 
B) A carbohydrate 
C) An energy molecule 
D) An information storage molecule

Question 17

Which of the following statements is correct?

Accepted Answer

A) Prokaryotic cells and eukaryotic cells evolved at about the same time. 
B) Prokaryotic cells evolved a lot earlier (over a billion years)than eukaryotic cells. 
C) Eukaryotic cells evolved a lot earlier (over a billion years)than prokaryotic cells. 
D) Scientists do not have any evidence regarding whether prokaryotic or eukaryotic cells evolved first. 
A) Prokaryotic cells and eukaryotic cells evolved at about the same time. 
B) Prokaryotic cells evolved a lot earlier (over a billion years)than eukaryotic cells. 
C) Eukaryotic cells evolved a lot earlier (over a billion years)than prokaryotic cells. 
D) Scientists do not have any evidence regarding whether prokaryotic or eukaryotic cells evolved first.

Question 18

How is heat involved in photosynthesis and respiration?

Accepted Answer

A) It is a waste product. 
B) It is a needed input for both reactions. 
C) It is a needed input for respiration only, and a product for photosynthesis. 
D) Heat is not involved in photosynthesis or in respiration. 
A) It is a waste product. 
B) It is a needed input for both reactions. 
C) It is a needed input for respiration only, and a product for photosynthesis. 
D) Heat is not involved in photosynthesis or in respiration.

Question 19

Prokaryotes consist of ________.

Accepted Answer

A) organisms belonging all to the same domain, bacteria 
B) organisms belonging to two different domains, bacteria and archaea 
C) organisms belonging to three different domains, bacteria, archaea, and protists 
D) organisms belonging to eukaryotes 
A) organisms belonging all to the same domain, bacteria 
B) organisms belonging to two different domains, bacteria and archaea 
C) organisms belonging to three different domains, bacteria, archaea, and protists 
D) organisms belonging to eukaryotes

Question 20

What harvests energy from sunlight to rearrange molecules into sugar?

Accepted Answer

A) Chloroplasts 
B) Mitochondria 
C) Nucleus 
D) Lysosome 
A) Chloroplasts 
B) Mitochondria 
C) Nucleus 
D) Lysosome

Ribosomes are directly associated with which process?

What is the definition of endocytosis?

Do only plants have vacuoles?

Which cellular structure is unique to plant cells?

Which structure selectively regulates the transport of substances into and out of a plant cell?

What is a phospholipid?

How is DNA linked to the production of proteins?

Which organelle functions to break down and recycle large molecules?

Which of the following statements is correct regarding chromosomes in a eukaryotic cell?

The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________.

Eukaryotes are ________.

Evaluate the statement: only the nucleus of eukaryotic cells contains DNA.

If a cell had a damaged central vacuole, it would have difficulty performing what function?

If you were looking at a cell under a powerful microscope, what would tell you that it is a eukaryotic cell?

What is ATP?

Which of the following statements is correct?

How is heat involved in photosynthesis and respiration?

Prokaryotes consist of ________.

What harvests energy from sunlight to rearrange molecules into sugar?

An Introduction to the Science of Life

The Chemistry of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters

Exam 3: The Cell: The Fundamental Unit of Life

Ribosomes are directly associated with which process?

What is the definition of endocytosis?

Do only plants have vacuoles?

Which cellular structure is unique to plant cells?

Which structure selectively regulates the transport of substances into and out of a plant cell?

What is a phospholipid?

How is DNA linked to the production of proteins?

Which organelle functions to break down and recycle large molecules?

Which of the following statements is correct regarding chromosomes in a eukaryotic cell?

The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________.

Eukaryotes are ________.

Evaluate the statement: only the nucleus of eukaryotic cells contains DNA.

If a cell had a damaged central vacuole, it would have difficulty performing what function?

If you were looking at a cell under a powerful microscope, what would tell you that it is a eukaryotic cell?

What is ATP?

Which of the following statements is correct?

How is heat involved in photosynthesis and respiration?

Prokaryotes consist of ________.

What harvests energy from sunlight to rearrange molecules into sugar?

An Introduction to the Science of Life

The Chemistry of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters