AP (Advanced Placement) Biology: Questions 535 - 537 of 902

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Question 535

Question

MCQ▾

Different strains of Human papillomavirus (HPV) can cause cancer because

Choices

Choice (5)Response

a.

Viral E7 gene՚s protein binds to protein Rb (Retinoblastoma)

b.

Viral replication interrupts with the Wnt pathway

c.

Virus causes cell cancer

d.

Viral replication interrupts in DNA repair

e.

The viral L1 protein destroy chromosome

Question 536

Question

MCQ▾

The skin has sensory organs that can detect all of the following except

Choices

Choice (5)Response

a.

Touch

b.

Pressure

c.

Pain

d.

Stretching

e.

Cold

Question 537

Question

MCQ▾

Functions of the myelin sheath are

Choices

Choice (5)Response

a.

It provides some insulation properties for the neuron; it decreases the speed of signal propagation; and it helps in the formation of synapses.

b.

It increases the neuron՚s sensitivity to stimulation; it assists in the formation of synapses; and it decreases the speed of signal propagation.

c.

It increases the neuron՚s sensitivity to impulse; it protects the neuron from fungal infection; and it assists in neuron regeneration.

d.

It assists in neuron repair; it provides insulation for the axon; and it increases the speed of signal propagation.

e.

It protects the neuron from bacterial infection; it provides some insulation to the neuron; and it assists in neuron regeneration.

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