Subject SAT (College Board) Biology: Questions 200 - 202 of 824

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Question number: 200

» Cell

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MCQ▾

Question

Select the correct option with respect to mitosis

Choices

Choice (5)Response

a.

Golgi complex and endoplasmic reticulum are still visible at the end of prophase

b.

Chromatids separate but remain in the centre of cell in anaphase

c.

Chromosomes move to spindle equator and get aligned along equatorial plate in metaphase

d.

Chromatids start moving towards opposite poles in telophase

e.

None of the above

Question number: 201

» Organism and Population

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MCQ▾

Question

Gymnosperms are NOT

Choices

Choice (5)Response

a.

Flowering plants.

b.

Naked seed plants.

c.

Seed plants.

d.

Predominantly diploid.

e.

Conifers.

Question number: 202

» DNA and Evolution

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MCQ▾

Question

Plasmid vectors utilized in cloning often contain a gene for the N-terminal 146 amino acids of the enzyme β-galactosidase. What is the purpose of including this gene in the vector?

Choices

Choice (5)Response

a.

It enables the plasmid vector to replicate in E. coli host cells.

b.

It allows selection of E. coli host cells that contain plasmid in which the insert has been ligated.

c.

It cleaves the insert to allow it to be ligated into the vector.

d.

It allows selection of E. coli host cells that contain the plasmid.

e.

Question does not provide sufficient data or is vague

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