A structure that "spot welds" skin cells is a __________

Fill in the blank(s) with correct word


desmosome

Anatomy & Physiology

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If potassium channels in a neuron were blocked, would it be possible to produce an action potential? If so, describe the probable appearance of these components of a graph: threshold, rising phase, peak, falling phase, undershoot. If not, explain.

What will be an ideal response?

Anatomy & Physiology

Energy sources available to form ATP in muscle fibers are

1 . phosphorylation of ADP by creatine phosphate 2 . oxidative phosphorylation of ADP in the mitochondria 3 . phosphorylation of ADP by the glycolytic pathway in the cytosol a. (1) and (2) are correct. b. (2) and (3) are correct. c. (1) and (3) are correct. d. (1), (2), and (3) are correct. e. none of these answers.

Anatomy & Physiology

Which of the following human cells has a flagellum?

A) sperm B) kidneys C) intestine D) testes

Anatomy & Physiology

The primary germ layer that takes the place of the hypoblast is the

A. mesoderm. B. endoderm. C. trophoblast. D. chorion. E. centroderm.

Anatomy & Physiology