Lucky people who cannot be infected with HIV are protected because

A) they are already infected.
B) they were vaccinated.
C) their cells lack receptors that admit the virus.
D) their cells have extra receptors for HIV.


C

Anatomy & Physiology

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The ________ layer is composed of dense irregular connective tissue whose strength and toughness results from abundant ________ fibers.

A. subcutaneous tissue; collagen B. reticular; collagen C. papillary; elastic D. reticular; elastic

Anatomy & Physiology

List and describe the lung volumes.

What will be an ideal response?

Anatomy & Physiology

Formation of new connective tissue after a cut would be delayed due to a lack of ________.

A. vitamin C B. vitamin A C. vitamin E D. potassium

Anatomy & Physiology

A cell’s complete set of DNA is called its ___________.

A. genetics B. genome C. proteome D. diploid E. chromosomes

Anatomy & Physiology