Straighterline Anatomy and Physiology 1 BIO201
Topic 3: Cell Biology Quiz 2023
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BIO201_MH_V3
Topic 3: Cell Biology
Started on Wednesday, June 7, 2023, 11:53 AM
State Finished
Completed on Wednesday, June 7, 2023, 12:22 PM
Time taken 29 mins 15 secs
Grade 33.25 out of 35.00 (95%)
Question 1
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In order to study in detail the anatomy of internal cell parts, it would be best to use
Select one:
a. x-rays.
b. flashlights.c. a transmission electron microscope (TEM).
d. tissue cultures.
e. a scanning electron microscope (SEM).
Question 2
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What structure does "D" represent on the diagram of the plasma membrane?
Select one:
a. membrane channel protein
b. phospholipid bilayer
c. internal membrane surface
d. peripheral protein
e. integral protein
Question 3
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Question text
The lower limit of resolution of a light microscope is
Select one:
a. 100μm
b. 0.1μm
c. 10μm
d. 0.01μm
e. 1.0μm
Question 4
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What structure does "B" represent on the diagram of the plasma membrane?
Select one:a. membrane channel protein
b. phospholipid bilayer
c. internal membrane surface
d. peripheral protein
e. integral protein
Question 5
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What structure does "A" represent on the diagram of the plasma membrane?
Select one:
a. membrane channel protein
b. phospholipid bilayer
c. internal membrane surface
d. peripheral protein
e. integral protein
Question 6
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The environment outside the plasma membrane is most appropriately referred to as
Select one:
a. intracellular.
b. extracellular.
c. multicellular.
d. centrocellular.
e. None of these choices are correct.
Question 7
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The main components of the plasma membrane are
Select one:
a. carbohydrates, ions, and lipids.
b. lipids and ions.
c. proteins and carbohydrates.
d. proteins, lipids, and carbohydrates.
e. ions, lipids, and proteins.
Question 8
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Question textCilia and flagella are distinguished from each other on the basis of
Select one:
a. width and numbers.
b. length and numbers.
c. depth and numbers.
d. length and width.
e. None of these choices is correct.
Question 9
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In one form of endocytosis a molecule binds to a specific protein on the cell surface and triggers
vesicle formation and endocytosis. What type of transport is this?
Select one:
a. Receptor-mediated endocytosis
b. Pinocytosis
c. Facilitated diffusion
d. Active exocytosis
Question 10
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Question textRed blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic.
What is the condition of the RBC in solution "C"?
Select one:
a. hypotonic solution
b. hypertonic solution
c. isotonic solution
d. lyzed
e. crenated
Question 11
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Endocytosis
Select one:
a. is movement of water through a selectively permeable membrane.
b. is a process that requires a carrier molecule but does not use cellular energy.
c. is the bulk uptake of material through the plasma membrane by vesicle formation.
d. moves material out of the cell.
e. ends cell functions.
Question 12
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If all of the peroxisomes in a cell were suddenly removed, how would this affect its immediate activity
and function?
Select one:
a. The cell would no longer be able to break down glucose.
b. The cell would be unable to produce proteins.
c. The cell would be unable to perform transcription.
d. The cell would no longer be able to break down fatty acids, hydrogen peroxide, and amino
acids.
e. The cell would no longer be able to break down proteins and nucleic acids.
Question 13
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Pinocytosis
Select one:
a. is a form of exocytosis.
b. involves ingestion of liquids rather than particles.
c. does not require ATP.
d. forms vesicles only when large amounts of material are being transported.
e. does not require the formation of vesicles.
Question 14
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Question text
The anticodon sequence GUA pairs with which of the following codons?
Select one:
a. CAT
b. GUA
c. CTU
d. CAU
e. CTT
Question 15
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A DNA nucleotide sequence that signals the beginning of a gene is called a
Select one:
a. transcription factor.
b. promoter.
c. triplet.
d. terminator.
e. RNA polymerase.
Question 16
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TranslationSelect one:
a. requires three types of DNA.
b. requires the pairing of codons on mRNA with anticodons on tRNA.
c. involves synthesis of RNA from DNA molecules.
d. takes place in the nucleus.
e. requires replication of DNA.
Question 17
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In prophase
Select one:
a. the chromosomes condense, shorten, and thicken.
b. the spindle fibers disappear.
c. the chromosomes replicate.
d. cytokinesis occurs.
e. DNA is synthesized.
Question 18
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Which of the following is NOT a type of cancer therapy?
Select one:
a. killing tissue with x-rays
b. killing tissue with lasers
c. surgical removal of the tissue
d. use of drugs to kill cellse. use of drugs to increase the blood supply to the tumor
Question 19
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What term dealing with cancer means "spreading to a new site"?
Select one:
a. metastasis
b. malignant
c. sarcoma
d. benign
e. carcinoma
Question 20
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DNA replication results in two new DNA molecules. Each of these new molecules
Select one:
a. has two newly synthesized strands of nucleotides.
b. has one strand of nucleotides from the parent DNA and one newly synthesized strand of
nucleotides.
c. has two strands of nucleotides from the parent.
d. has a single strand of nucleotides.
e. are incomplete copies of the original. [Show Less]