Biod 171 Essential Microbiology Real Exam Simulation –
Verified Q&A | UPDATED ACTUAL Exam Questions and CORRECT
Answers
Question 1.
What is the smallest biological unit of life?
Answer: A cell
Question 2.
At a generalized level, all cells are comprised of what?
Answer: macromolecules
Question 3.
How many different types of amino acids are available from which to make proteins?
Answer: 20
Question 4.
Define an essential amino acid.
Answer: An essential amino acid cannot be produced by the human body and
as such must be take in from the environment through alternative sources
(i.e) food.
Question 5.
Where can the two major types of nucleic acids be found in the cell and what are their
roles?
Answer: DNA and RNA can both be found in the nucleus, but only RNA is able
to leave the nucleus.
- DNA contains a large amount of hereditary information and is responsible for
the inheritable characteristics of living organisms.
- RNA is responsible for deciphering the hereditary information in DNA and
using it to synthesize proteins.
Question 6.
Complete the following DNA strand, and indicate how many bonds are
formed for each complementary pair: 3' GGTCATCG 5'
5' CC AGC 3'
Answer: 3' GGTCATCG 5'
5' CCAGTGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and C.
, Question 7.
The plasma membrane (select all that are true):
A. Only restricts movement of materials into the cell.
B. Is often a bilayer comprised of lipids.
C. Cannot prevent essential nutrients from escaping.
D. Contains hydrophobic tails pointing inward.
Answer: B. Is often a bilayer comprised of lipids
D. Contains hydrophobic tails pointing inward
Question 8.
How many carbon atoms are present in glucose?
Answer: 6.
The molecular formula of Glucose is C6H12O6
• T/F: The genetic material within a prokaryotic cell is contained within a
membrane-enclosed region. Answer: False.
Only eukaryotic cells contain its genetic material within a nucleus
Question 9.
T/F: Prokaryotic cells can be subdivided into Bacteria and
Archaea.
Answer: True
Question 10.
T/F: Archaea, a eukaryotic class of microorganisms, is capable
of surviving harsh environments.
Answer: False.
Archaea are prokaryotic bacteria capable of surviving in harsh environments
Question 11.
Animalia, Plantae, Fungi and Protista are all classification under what type of organism?
A. Bacteria
B. Eukarya
C. Archaea
D. Virus
Answer: B. Eukarya
Only Eukarya contains animals, plants, fungi, and protists.
• Microorganisms classified as Plantae obtain most of their energy by
converting ________ energy into _________ energy. Answer: 1. Light (sunlight)
2. Chemical (sugar)
Verified Q&A | UPDATED ACTUAL Exam Questions and CORRECT
Answers
Question 1.
What is the smallest biological unit of life?
Answer: A cell
Question 2.
At a generalized level, all cells are comprised of what?
Answer: macromolecules
Question 3.
How many different types of amino acids are available from which to make proteins?
Answer: 20
Question 4.
Define an essential amino acid.
Answer: An essential amino acid cannot be produced by the human body and
as such must be take in from the environment through alternative sources
(i.e) food.
Question 5.
Where can the two major types of nucleic acids be found in the cell and what are their
roles?
Answer: DNA and RNA can both be found in the nucleus, but only RNA is able
to leave the nucleus.
- DNA contains a large amount of hereditary information and is responsible for
the inheritable characteristics of living organisms.
- RNA is responsible for deciphering the hereditary information in DNA and
using it to synthesize proteins.
Question 6.
Complete the following DNA strand, and indicate how many bonds are
formed for each complementary pair: 3' GGTCATCG 5'
5' CC AGC 3'
Answer: 3' GGTCATCG 5'
5' CCAGTGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and C.
, Question 7.
The plasma membrane (select all that are true):
A. Only restricts movement of materials into the cell.
B. Is often a bilayer comprised of lipids.
C. Cannot prevent essential nutrients from escaping.
D. Contains hydrophobic tails pointing inward.
Answer: B. Is often a bilayer comprised of lipids
D. Contains hydrophobic tails pointing inward
Question 8.
How many carbon atoms are present in glucose?
Answer: 6.
The molecular formula of Glucose is C6H12O6
• T/F: The genetic material within a prokaryotic cell is contained within a
membrane-enclosed region. Answer: False.
Only eukaryotic cells contain its genetic material within a nucleus
Question 9.
T/F: Prokaryotic cells can be subdivided into Bacteria and
Archaea.
Answer: True
Question 10.
T/F: Archaea, a eukaryotic class of microorganisms, is capable
of surviving harsh environments.
Answer: False.
Archaea are prokaryotic bacteria capable of surviving in harsh environments
Question 11.
Animalia, Plantae, Fungi and Protista are all classification under what type of organism?
A. Bacteria
B. Eukarya
C. Archaea
D. Virus
Answer: B. Eukarya
Only Eukarya contains animals, plants, fungi, and protists.
• Microorganisms classified as Plantae obtain most of their energy by
converting ________ energy into _________ energy. Answer: 1. Light (sunlight)
2. Chemical (sugar)
