Cardiac muscle cells are
a. involuntary.
b. spindle-shaped.
c. multinucleated.
d. slow contracting.
e. all of these.
Answer: a
You might also like to view...
Perennials are ________.
A. flowering plants to live for two years B. flowering plants that live for one year C. a type of gymnosperms D. flowering plants that keep on reproducing for many years
Vertebrate locomotion results from the contraction of muscles anchored to what other tissue?
A. Bone B. An exoskeleton C. Nerves D. Each other E. The plasma membrane
The mutation shown in the figure involve a transformation of one structure into another structure. What are these types of mutations called?
A. homeotic mutations B. transversions C. synonymous mutations D. frameshift mutations E. Inversions
A graduate student is studying the feeding behavior of a small octopus that must be laboriously collected from the shores of a remote island. Her intern wishes to do experiments to look at the octopus's mating behavior. Why might the graduate student veto this idea?
A. The octopus has iteroparous reproduction, and will eat its mate. B. The octopus has semelparous reproduction, and will die after laying one batch of eggs. C. The octopus has semelparous reproduction, and will eat its mate. D. The octopus has iteroparous reproduction, and will die after laying one batch of eggs.