Molecular Biology of Eukaryotes [AP (Advanced Placement) Biology]: Questions 1 - 5 of 58

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Question 1

Molecular Biology of Eukaryotes

Question

MCQ▾

Which is the principal cation in the plasma of the blood?

Choices

Choice (5)Response

a.

Calcium

b.

Magnesium

c.

Sodium

d.

Potassium

e.

None of the above

Question 2

Molecular Biology of Eukaryotes

Question

MCQ▾

Carbonic anhydrase occurs in.

Choices

Choice (5)Response

a.

RBC

b.

Lymphocytes

c.

Leucocytes

d.

Blood plasma

e.

None of the above

Question 3

Molecular Biology of Eukaryotes

Question

MCQ▾

Generally a single mRNA codes for a single protein in eukaryotes but during antibody production, a lymphocyte will transcribe a single mRNA; but two different proteins are translated from that single mRNA strand. How?

Choices

Choice (5)Response

a.

Eukaryotic mRNA is Polycistronic

b.

Ribosomes translate more than one ORF

c.

Alternate splicing provides different protein from single gene.

d.

Splicing retain one or more than one introns

e.

Gene has more than one cistron

Question 4

Molecular Biology of Eukaryotes

Question

MCQ▾

Chromosomal regions are rich in simple sequence repeat DNA is/are

Choices

Choice (5)Response

a.

Secondary constriction and NORs

b.

Telomeres and centromeres

c.

Microsatellites and Microsatellites

d.

Microsatellites and centromeres

e.

Microsatellites, telomeres, and centromeres

Question 5

Molecular Biology of Eukaryotes

Question

MCQ▾

Levels of DNA packaging in eukaryotes follows the sequence

Choices

Choice (5)Response

a.

Nucleosome ⇾ chromatin fiber ⇾ heterochromatin ⇾ chromosome

b.

Chromosome ⇾ heterochromatin ⇾ nucleosome ⇾ chromatin fiber

c.

Nucleosome ⇾ chromatin loop ⇾ chromatin fiber ⇾ chromosome

d.

Heterochromatin ⇾ chromosome ⇾ nucleosome ⇾ chromatin fiber

e.

Chromosome ⇾ chromatin fiber ⇾ nucleosome ⇾ heterochromatin

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