Biochem I - Exam 1 Ebook Question Review - Ch 1-4 Exam Actual Questions and Answers 2026.docx

Biochem I - Exam 1 Ebook Question
Review - Ch 1-4 Exam Actual
Questions and Answers 2026
A buffer system consists of:


a.
a weak base and a weak acid
b.
a weak acid and its conjugate base
c.
a strong acid and a strong base
d.
none of the above -
correct answer ✅b.
a weak acid and its conjugate base


A living cell put into a hypotonic solution will:


a.
Swell or burst
b.
shrink

,Biochem I - Exam 1 Ebook Question
Review - Ch 1-4 Exam Actual
Questions and Answers 2026
c.
not change its size -
correct answer ✅a.
Swell or burst


A living red blood cell put into a hypertonic solution will:


a.
swell or burst
b.
shrink
c.
not change its size -
correct answer ✅b.
shrink


Carbon generally forms four bonds and is considered:


a.

,Biochem I - Exam 1 Ebook Question
Review - Ch 1-4 Exam Actual
Questions and Answers 2026
tetravalent
b.
monovalent
c.
divalent
d.
trivalent -
correct answer ✅a.
tetravalent


Dissociation of a weak acid is described as: HA = H+ + A-
At which condition pH of this buffer is equal to its pKa value?


a.
When [A-] is equal to [H+]
b.
When [A-] is less than [H+]
c.
When [A-] is equal to [HA]

, Biochem I - Exam 1 Ebook Question
Review - Ch 1-4 Exam Actual
Questions and Answers 2026
d.
When [A-] is greater than [H+] -
correct answer ✅c.
When [A-] is equal to [HA]


Glucose has four chiral carbon atoms. How many stereoisomers are
possible for glucose?


a. 16
b. 8
c. 4
d. 24 -
correct answer ✅a. 16


How many lone pairs of electrons are on the oxygen atom?


a.
one
b.