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.   A nucleus is present in prokaryotes.
C.   Endoplasmic reticulum is present in prokaryotes.
D.   Mitochondria are 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.   vacuoles
B.   lysosomes
C.   Golgi apparatus
D.   rough endoplasmic reticulum
Question #4
Which organelle often takes up much of the volume of a plant cell?
A.   lysosome
B.   vacuole
C.   peroxisome
D.   mitochondrion
Question #5
Which organelle modifies proteins that will be secreted?
A.   peroxisome
B.   Golgi apparatus
C.   mitochondrion
D.   lysosome
Question #6
Which plant cell organelle contains its own DNA and ribosomes?
A.   rough ER
B.   vacuole
C.   mitochondrion
D.   peroxisome
Question #7
Which organelle evolved through the process of endosymbiosis?
A.   Golgi apparatus
B.   peroxisome
C.   nucleus
D.   chloroplast
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.   gap junction
B.   tight junction
C.   desmosome
D.   cellulose fibers
Question #10
A membrane transport protein __________________.
A.   is a peripheral membrane protein
B.   requires ATP
C.   moves a specific type of molecule
D.   works against a concentration gradient
Question #11
Human blood has a lower salt concentration than seawater. What will happen if red blood cells are transferred to seawater?
A.   The blood cells will take up water, swell, and eventually burst.
B.   Salt will passively diffuse into the red blood cells.
C.   Salt will be exported from the red blood cells by facilitated diffusion.
D.   Water will leave the cells, causing them to shrivel and collapse.
Question #12
Putting a red blood cell in a hypertonic solution will result in ________________________.
A.   lysis of the cell
B.   the cell becoming turgid
C.   the cell shriveling
D.   plasmolysis of the cell
Question #13
Which process requires ATP?
A.   movement of sodium ions against the concentration gradient
B.   movement of water into a cell through aquaporin proteins
C.   movement of sodium ions down the concentration gradient
D.   facilitated diffusion
Question #14
Which of the following processes includes all the others?
A.   osmosis
B.   diffusion of a solute across a membrane
C.   transport of an ion down its electrochemical gradient
D.   passive transport
Question #15
Which type of reaction tends to require an input of energy?
A.   dehydration
B.   spontaneous
C.   catabolic
D.   hydrolysis
Question #16
Exergonic reactions _________________.
A.   require energy
B.   release energy
C.   are nonspontaneous
D.   build polymers
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 affected by temperature
B.   is denatured by the substrate
C.   binds many different substrates
D.   is not used up in the reaction
Question #19
An enzyme catalyzes the reaction, X → Y. What is substance X?
A.   a substrate
B.   an inhibitor
C.   a coenzyme
D.   a product

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