AP (Advanced Placement) Biology: Questions 464 - 469 of 868

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Question number: 464

» DNA and Protein Synthesis

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MCQ▾

Question

In Hershey and Chase experiments radioactive 32P was used to culture bacteriophages which resulted in radioactive

Choices

Choice (5)Response

a.

DNA

b.

Plasma membrane of bacteria

c.

Plasmid

d.

Protein

e.

Bacterial capsule

Question number: 465

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Which of the following is NOT an autoimmune disorder?

Choices

Choice (5)Response

a.

Hemolytic anemia

b.

Rheumatoid arthritis

c.

Type 1 diabetes

d.

Pernicious anemia

e.

Type 2 diabetes

Question number: 466

» Genetics

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MCQ▾

Question

Human ABO blood groups shows ________ inheritance.

Choices

Choice (5)Response

a.

Dominance

b.

Incomplete dominance

c.

Pleiotropy

d.

Polygenic inheritance

e.

Codominance

Question number: 467

» Genetics

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MCQ▾

Question

What causes trisomy?

Choices

Choice (5)Response

a.

X chromosome distortion

b.

Continuous in contact with carcinogens

c.

Disjunction

d.

Nondisjunction

e.

Infection due to some fungus

Question number: 468

» Digestive & Excretory Systems

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MCQ▾

Question

Which of the following is NOT a function of the parietal cells within the stomach?

Choices

Choice (5)Response

a.

Formation of gastric mucus

b.

Killing of microorganisms

c.

Denaturation of proteins

d.

Activation of pepsinogen

e.

Absorption of vitamin B12

Question number: 469

» Molecular Biology of Eukaryotes

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MCQ▾

Question

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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