AP (Advanced Placement) Biology: Questions 652 - 655 of 868

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Question number: 652

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

If whole blood were collected by venipuncture into a tube containing EDTA or citrate, which of the following will NOT be conducted on the resulting material in the tube?

Choices

Choice (5)Response

a.

A hematocrit

b.

Quantitation of C3 or C4

c.

Blood clotting time

d.

Blood glucose count

e.

A complete blood count

Question number: 653

» Nervous & Endocrine Systems

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MCQ▾

Question

Steroidal hormones control cell’ activity by

Choices

Choice (5)Response

a.

Binding to a specific receptor present on cell surface

b.

Binding to a cytoplasmic or nuclear hormone receptor

c.

Producing second messenger like cAMP

d.

Increasing membrane permeability for their transport

e.

Producing mediators like protein kinase and phophorylase kinase

Question number: 654

» Genetics

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MCQ▾

Question

A monohybrid testcross with heterozygote will result in a ratio look alike-

Choices

Choice (5)Response

a.

1: 1: 1: 1

b.

1: 3

c.

1: 2: 1

d.

1: 1

e.

3: 1

Question number: 655

» Evolution

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MCQ▾

Question

The correct sequence of geological periods according to geological time scale moving towards the modern day?

Choices

Choice (5)Response

a.

Triassic → Carboniferous → Mississippian → Ordovician

b.

Cambrian → Triassic → Cretaceous → Carboniferous

c.

Jurassic → Triassic → Ordovician→ Cretaceous

d.

Cambrian → Silurian → Cretaceous → Tertiary

e.

Pennsylvanian → Permian →Devonian→ Silurian

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