Which of the following is NOT a method or pathway of movement for substances traveling across a capillary wall?
A) diffusion through intercellular clefts
B) direct diffusion through the plasma membrane
C) transport via vesicles by endocytosis or exocytosis
D) active transport using proteins and ATP
E) diffusion through the pores of fenestrated capillaries
D
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In the human reproductive system, ovulation is triggered
A) At the end of the luteal phase. B) By the surge in progesterone release. C) By the surge in LH release. D) At the beginning of the follicular phase.
Emotions influence autonomic reactions primarily through integration in the ________.
A) lateral horn of the spinal cord B) hypothalamus C) lateral geniculate of the thalamus D) inferior colliculus
____________________ work refers to the energy expended by contracting skeletal muscles to accomplish movement of objects or the body within the external environment
Fill in the blank(s) with correct word
The mass number of an element is equal to the number of
A. protons plus the number of neutrons. B. protons. C. electrons plus the number of neutrons. D. protons plus the number of electrons.