BIOD 171 PRACTICE EXAM 1/2023.Qualified
1. Complete the following RNA strand, and indicate how many
bonds are formed for each complementary pair:
3’ GGUCAUCG 5’
5’ CC AGC 3’
Your Answer:
the one in the top is 3' 5'
the one below is 5'-3'
3’ GGUCAUCG 5’
5’ CCAGUAGC 3’
There are 2 bonds formed between A and U, and 3 bonds between G and C.
2. The plasma membrane (select all that are true):
Restricts movement of materials in and out of the cell
Is often a triple layer comprised of lipids
Correct
Answer
, BIOD 171 PRACTICE EXAM 1/2023.Qualified
Prevents essential nutrients from escaping
Contains hydrophobic tails pointing outward
3. Carbon, hydrogen, and oxygen atoms come together to form what
primary macromolecule? Give an example.
Your Answer:
Polysaccharides
GC6 H12 O6 which is Glucose
Question 1
pts
True/False. A virus is considered a microorganism.
True
, BIOD 171 PRACTICE EXAM 1/2023.Qualified
False
Viruses are not living and as such are not considered microorganisms.
Viruses can, however, be classified as microbes, a more general term that
includes microorganisms and viruses.
Question 2
pts
What is the smallest biological unit of life? Your
Answer:
Cell
A cell
1. Complete the following RNA strand, and indicate how many
bonds are formed for each complementary pair:
3’ GGUCAUCG 5’
5’ CC AGC 3’
Your Answer:
the one in the top is 3' 5'
the one below is 5'-3'
3’ GGUCAUCG 5’
5’ CCAGUAGC 3’
There are 2 bonds formed between A and U, and 3 bonds between G and C.
2. The plasma membrane (select all that are true):
Restricts movement of materials in and out of the cell
Is often a triple layer comprised of lipids
Correct
Answer
, BIOD 171 PRACTICE EXAM 1/2023.Qualified
Prevents essential nutrients from escaping
Contains hydrophobic tails pointing outward
3. Carbon, hydrogen, and oxygen atoms come together to form what
primary macromolecule? Give an example.
Your Answer:
Polysaccharides
GC6 H12 O6 which is Glucose
Question 1
pts
True/False. A virus is considered a microorganism.
True
, BIOD 171 PRACTICE EXAM 1/2023.Qualified
False
Viruses are not living and as such are not considered microorganisms.
Viruses can, however, be classified as microbes, a more general term that
includes microorganisms and viruses.
Question 2
pts
What is the smallest biological unit of life? Your
Answer:
Cell
A cell
