Biology 101 - General Biology » Spring 2022 » Module 2 Quiz 1

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Question #1
Which of the following statements concerning cells of prokaryotes is correct?
A.   DNA is present in prokaryotes.
B.   Endoplasmic reticulum is present in prokaryotes.
C.   Mitochondria are present in prokaryotes.
D.   A nucleus is present in prokaryotes.
Question #2
Prokaryotes are classified as belonging to two different domains. What are the domains?
A.   Archaea and Protista
B.   Bacteria and Eukarya
C.   Bacteria and Archaea
D.   Bacteria and Protista
Question #3
Ribosomes are found on the surface of _____________.
A.   Golgi apparatus
B.   vacuoles
C.   rough endoplasmic reticulum
D.   lysosomes
Question #4
Which organelle often takes up much of the volume of a plant cell?
A.   peroxisome
B.   mitochondrion
C.   vacuole
D.   lysosome
Question #5
Which organelle modifies proteins that will be secreted?
A.   mitochondrion
B.   Golgi apparatus
C.   peroxisome
D.   lysosome
Question #6
Which plant cell organelle contains its own DNA and ribosomes?
A.   vacuole
B.   peroxisome
C.   mitochondrion
D.   rough ER
Question #7
Which organelle evolved through the process of endosymbiosis?
A.   Golgi apparatus
B.   nucleus
C.   peroxisome
D.   chloroplast
Question #8
Which cellular structure supports cilia and flagella?
A.   cytoskeleton
B.   nuclear envelope
C.   membrane proteins
D.   ribosomes
Question #9
What structure forms cytoplasmic channels from one cell to another cell?
A.   tight junction
B.   cellulose fibers
C.   gap junction
D.   desmosome
Question #10
A membrane transport protein __________________.
A.   moves a specific type of molecule
B.   requires ATP
C.   works against a concentration gradient
D.   is a peripheral membrane protein
Question #11
Human blood has a lower salt concentration than seawater. What will happen if red blood cells are transferred to seawater?
A.   Salt will be exported from the red blood cells by facilitated diffusion.
B.   The blood cells will take up water, swell, and eventually burst.
C.   Water will leave the cells, causing them to shrivel and collapse.
D.   Salt will passively diffuse into the red blood cells.
Question #12
Putting a red blood cell in a hypertonic solution will result in ________________________.
A.   plasmolysis of the cell
B.   the cell shriveling
C.   lysis of the cell
D.   the cell becoming turgid
Question #13
Which process requires ATP?
A.   movement of sodium ions down the concentration gradient
B.   movement of water into a cell through aquaporin proteins
C.   facilitated diffusion
D.   movement of sodium ions against the concentration gradient
Question #14
Which of the following processes includes all the others?
A.   diffusion of a solute across a membrane
B.   passive transport
C.   transport of an ion down its electrochemical gradient
D.   osmosis
Question #15
Which type of reaction tends to require an input of energy?
A.   dehydration
B.   hydrolysis
C.   spontaneous
D.   catabolic
Question #16
Exergonic reactions _________________.
A.   are nonspontaneous
B.   release energy
C.   build polymers
D.   require energy
Question #17
Catabolic reactions _____________________.
A.   provide energy for cellular work
B.   include dehydration reactions
C.   synthesize larger molecules
D.   consume energy
Question #18
An enzyme ______________________.
A.   is not used up in the reaction
B.   is not affected by temperature
C.   binds many different substrates
D.   is denatured by the substrate
Question #19
An enzyme catalyzes the reaction, X → Y. What is substance X?
A.   a product
B.   an inhibitor
C.   a substrate
D.   a coenzyme

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