Disappearance of which type of junction most likely contributes to the metastasis of cancer cells throughout the body?

A) tight
B) anchoring
C) gap


B) anchoring

Anatomy & Physiology

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An important mechanism that controls metabolic pathways under physiological conditions is

A. negative feedback. B. positive feedback. C. signal transduction. D. genetic control.

Anatomy & Physiology

Muscle fibers differ from "typical cells" in that muscle fibers

A) lack a plasma membrane. B) have many nuclei. C) are very small. D) lack mitochondria. E) have large gaps in the cell membrane.

Anatomy & Physiology

It is late at night, and you are at the library doing some last-minute studying for your comparative physiology exam. You suddenly feel hungry, and you head to the vending machine to buy a snack

Explain the role of the following sensory structures/organs, and give an example of how/when they will be active during this task. a. Merkel cell b. Gustatory receptors (choose one) c. Macula of a utricle d. Cone photoreceptor What will be an ideal response?

Anatomy & Physiology

Lipid is concentrated with the cells of the

A) hypodermis. B) dermis. C) cornified region. D) stratum granulosum. E) stratum spinosum.

Anatomy & Physiology