BIOS 1300 Lecture Exam 2 Study Guide with correct answers 2024
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Course
Bios 1300
Institution
Bios 1300
Which of the following is NOT a function of proteins?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
Information storage
b
Catalysis
c
Transport of solutes
d
Muscle contraction - answer-a
Sucrase is the enzyme that breaks down suc...
BIOS 1300 Lecture Exam 2 Study Guide with correct answers 2024
Which of the following is NOT a function of proteins?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
Information storage
b
Catalysis
c
Transport of solutes
d
Muscle contraction - answer-a
Sucrase is the enzyme that breaks down sucrose into glucose and fructose. Using your new knowledge of enzymes, what other reactions would you expect to be catalyzed by sucrase?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
Maltose → glucose + glucose
b
Lactose → galactose and glucose
c BIOS 1300 Lecture Exam 2 Study Guide with correct answers 2024
Ala-gly dipeptide → alanine + glycine
d
Both A & B
e
None - answer-e
Which of the following is NOT amphipathic?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
Phospholipids
b
Cholesterol
c
Glucose
d
Glycolipids - answer-c
What would you expect to find in the P-site of a ribosome in the initiation of translation?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. BIOS 1300 Lecture Exam 2 Study Guide with correct answers 2024
a
A tRNA with an anticodon of AUG bonded to methionine.
b
A tRNA with bonded to a polypeptide.
c
A tRNA with an anticodon of UAC bonded to methionine.
d
A tRNA with an anticodon of AUG bonded to a uracil nucleotide. - answer-c
When a substance moves down its concentration gradient but needs help crossing the membrane:
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
Simple diffusion
b
Facilitated diffusion
c
Active transport
d
Propagated transport - answer-b BIOS 1300 Lecture Exam 2 Study Guide with correct answers 2024
Which type of cell junction forms seals between cells?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
Desmosomes
b
Gap
c
Tight
d
Adherens - answer-c
Which of the following is TRUE regarding the Na / K pump?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
It uses ATP for energy to pump Na+ ions out of the cell and K+ ions in.
Your answer
b
It pumps 3 K+ into the cell and 2 Na+ out.
c
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