Compare and contrast the three types of muscle tissue. What will be an ideal response?


Concepts to Consider: Skeletal--voluntary control; attached to bones; long fibers; striations;
multinucleated; contract rapidly, but does not sustain contraction for long periods. Smooth--
involuntary control; spindle-shaped cells with single nucleus; present in walls of hollow organs and
blood vessels. Cardiac--involuntary control; tissue of the heart; striations; fibers branched with
intercalated discs.

Biology & Microbiology

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Which of the following are considered apes?

A) lorises B) New World monkeys C) Old World monkeys D) orangutans E) tarsiers

Biology & Microbiology

Which of the following factors is NOT a

density-independent factor?

a. earthquakes b. snowstorms c. competition d. hurricanes e. tsunamis

Biology & Microbiology

Since mice embryos with loss-of-function Hox mutations result in homeotic alterations, then introduction of such a mutation might cause __________

A) ribs on normally rib-less vertebrae B) pointed rather than rounded ears C) a change in fur coloration along the dorsal midline D) behavioral alterations causing limb shaking E) paralysis of hindlimbs but not forelimbs

Biology & Microbiology

The most common molecules in cellular membranes are the

a. glycolipids. b. phospholipids. c. cholesterol molecules. d. proteins.

Biology & Microbiology