Biod 171 Essential Microbiology Exam Ready Test Bank –
Student Success | UPDATED ACTUAL Exam Questions and
CORRECT Answers
Question 1.
Proteins are formed from various combinations of _______ of which there are ______
known forms.
Answer: 1. Amino acids
2. 20
Question 2.
How many amino acids are classified as being essential amino acids?
Answer: 9
Question 3.
The plasma membrane (select all that are true):
A. Restricts movement of materials in and out of the cell
B. Is often a triple layer comprised of lipids
C. Prevents essential nutrients from escaping
D. Contains hydrophobic tails pointing outward
Answer: A;C
Question 4.
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' CCAGTAGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and C.
‣ True of False: The genetic material within a prokaryotic cell is contained
within a membrane-enclosed region. Answer: False
Question 5.
How many carbon atoms are present in the monosaccharide glucose?
Answer: 6
Question 6.
Describe the 4 basic bacterial morphologies.
Student Success | UPDATED ACTUAL Exam Questions and
CORRECT Answers
Question 1.
Proteins are formed from various combinations of _______ of which there are ______
known forms.
Answer: 1. Amino acids
2. 20
Question 2.
How many amino acids are classified as being essential amino acids?
Answer: 9
Question 3.
The plasma membrane (select all that are true):
A. Restricts movement of materials in and out of the cell
B. Is often a triple layer comprised of lipids
C. Prevents essential nutrients from escaping
D. Contains hydrophobic tails pointing outward
Answer: A;C
Question 4.
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' CCAGTAGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and C.
‣ True of False: The genetic material within a prokaryotic cell is contained
within a membrane-enclosed region. Answer: False
Question 5.
How many carbon atoms are present in the monosaccharide glucose?
Answer: 6
Question 6.
Describe the 4 basic bacterial morphologies.