Cells of the body mainly use __________ for the selective endocytosis of most macromolecules.

a) receptor-mediated endocytosis
b) diffusion
c) fluid-phase endocytosis
d) pinocytosis


Answer: a) receptor-mediated endocytosis

Anatomy & Physiology

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Which of the following accessory organs produces a fluid to soften food?

a) Teeth b) Salivary glands c) Liver d) Gallbladder e) Pharynx

Anatomy & Physiology

Difficulty in breathing may reflect damage to respiratory centers located in the brain stem

Indicate whether the statement is true or false

Anatomy & Physiology

Which of the following individuals would have the largest percentage of their bodyweight as water?

A. a 7-month-old female B. a lean 35-year-old male athlete C. a chunky 52-year-old male athlete D. a healthy 88-year-old male E. an adult female marathon runner

Anatomy & Physiology

Name and describe the four main categories of lipids, and compare and contrast their structures and functions

What will be an ideal response?

Anatomy & Physiology