BIO 250 Microbiology quizzes units 1-4/Microbiology quizzes units 1-4BIO 250 Microbiology quizzes units 1-4BIO 250 Microbiology quizzes units 1-4BIO 250 Microbiology quizzes units 1-4BIO 250 Microbiology quizzes units 1-4BIO 250 Microbiology quizzes units 1-4BIO 250 Microbiology quizzes units 1-4BI...
bio 250 microbiology quizzes units 1 4microbiology quizzes units 1 4bio 250 microbiology quizzes units 1 4bio 250 microbiology quizzes units 1 4bio 250 microbiology quizzes units 1 4bio 250 microbiol
Written for
MICROIOLOGY
All documents for this subject (1)
Seller
Follow
Igatchu
Reviews received
Content preview
Questions from Quiz Assignments 1-4 (3 of these sets are all quiz 1)
Question 1
All of the following are reasons why some scientists believe that the term “prokaryote”
is a somewhat artificial designation and should be discarded except
Select one:
a. Some bacteria have internal membranous structures.
b. Some bacteria have their genetic material enclosed within a membrane.
c. Some bacteria have 80S ribosomes.
d. Many bacterial have cytoskeletal elements.
Feedback
The correct answer is: Some bacteria have 80S ribosomes.
Question 2
Incorrect
0.00 points out of 4.50
Flag question
Question text
How do spheroplasts and protosplasts differ?
Select one:
a. Spheroplasts retain the peptidoglycan but protoplasts do not.
b. Spheroplasts retain their outer membrane but protoplasts do not.
c. There is no difference; these terms are synonyms.
d. Spheroplasts form from cocci and protoplasts form from bacilli.
Feedback
The correct answer is: Spheroplasts retain their outer membrane but protoplasts do not.
Question 3
Correct
4.50 points out of 4.50
Flag question
Question text
Which of the following is a characteristic of active transport?
Select one:
a. Saturable uptake rate
b. Use of ATP or a proton gradient as a source of metabolic energy
c. Can move materials against a concentration gradient
d. All of the choices are correct.
Feedback
The correct answer is: All of the choices are correct.
Question 4
, Correct
4.50 points out of 4.50
Flag question
Question text
You have been studying the effect of a concentration gradient on the rate of transport of
a nutrient into a bacterial cell. If a carrier protein is involved in the transport of this
nutrient, which curve would you expect to see?
Select one:
a. A
b. B
c. C
, Feedback
The correct answer is: A
Question 5
Correct
4.50 points out of 4.50
Flag question
Question text
Which statement correctly describes archaeal cell walls?
Select one:
a. Some have an outer layer of complex polysaccharide.
b. Some have an outer layer of protein.
c. Many have peptidoglycan.
d. Some have an outer layer of complex polysaccharide and some have an outer layer of
protein.
Feedback
The correct answer is: Some have an outer layer of complex polysaccharide and some
have an outer layer of protein.
Question 6
Correct
4.50 points out of 4.50
Flag question
Question text
The food vacuoles and phagocytic vacuoles are most similar to
Select one:
a. mitochondria.
b. chloroplasts.
c. lysosomes.
d. Golgi apparatus.
Feedback
The correct answer is: lysosomes.
Question 7
Correct
4.50 points out of 4.50
Flag question
Question text
A newly discovered unicellular microbe has a nucleus containing linear chromosomes
and surrounded by a membrane. It has mitochondria, 80s ribosomes, and is covered by
cilia. There is no cell wall external to the plasma membrane. This organism most likely
would be a/an
Select one:
, a. bacterium.
b. archaeon.
c. protozoan.
d. fungus.
e. algae.
Feedback
The correct answer is: protozoan.
Question 8
Correct
4.50 points out of 4.50
Flag question
Question text
Which of the following is a function of the mitochondrion?
Select one:
a. Tricarboxylic acid cycle enzyme reactions
b. Electron transport
c. ATP synthesis
d. All of the choices are correct.
Feedback
The correct answer is: All of the choices are correct.
Question 9
Correct
4.50 points out of 4.50
Flag question
Question text
Virion size ranges from
Select one:
a. 1–40 nm.
b. 10–400 nm.
c. 600–1,000 nm.
d. 1,000–10,000 nm.
Feedback
The correct answer is: 10–400 nm.
Question 10
Correct
4.50 points out of 4.50
Flag question
Question text
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Igatchu. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.49. You're not tied to anything after your purchase.
