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

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