What makes up a motor unit?

a. one tendon and one muscle fiber

b. fast - and slow-twitch muscle fibers

c. one motor nerve connected to muscle fibers

d. one motor nerve connected to a tendon?

Describe three functions of hair

How do magnetic stripes of iron in ocean rock provide evidence of seafloor spreading

Robert and Stephanie are married; both have acho ndroplasia. Each always knew that they would only marry someone with acho ndroplasia. This type of choice can disturb Hardy-Weinberg equilibrium and is an example of what?

What is Carbonization

In which stage of the cell cycle was the nucleus with 6 picograms of dna?

Which term describes when individuals leave more offspring than other individuals?

Which of the following traits would be least useful in a phylogenetic analysis? A) A trait that is altered easily by small changes in temperature B) A trait that involves genetically inherited behaviors C.

A mutation is a mistake or change in the

Special proteins produced by the body to attack foreign invaders such as pathogens are called:

In cellular respiration, the energy for most ATP synthesis is supplied by: A. High energy phosphate bonds in organic molecules B. A proton gradient across a membrane C. Converting oxygen to atp D.