The protein-containing structure on the centromere where microtubules attach is called the
A) kinetochore. B) spindle. C) cell plate. D) centriole.
A
You might also like to view...
Which of the following is NOT true of a stress or "fight-or-flight" response?
A. Energy stores such as adipose tissue and glycogen are broken down to mobilize fatty acids and glucose. B. The heart rate increases and airways are dilated to promote maximum oxygen intake. C. Elevations in cortisol are needed to increase glucose. D. Catabolic hormones are activated. E. Leptin levels are increased to enhance appetite.
Movement of individuals into or out of the population, called gene flow, impacts evolution of populations because
A) it can lead to extinction of one or more populations. B) it may cause genetic drift. C) it leads to a redistribution of alleles. D) adaptive radiation results. E) a founder effect will occur.
The concentration of actin monomers at which the rate of polymerization into filaments equals the rate of depolymerization is called the _______ concentration.
a. equilibrium b. critical c. steady-state d. treadmilling e. dynamic
________ are tiny chambers within the lungs that allow for gas exchange
Fill in the blank(s) with correct word