25. The primary function of actin proteins during cell division of animal cells is to
A. complete cytokinesis.
B. build spindle fibers.
C. condense or pack the DNA.
D. make melodic sounds.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?

What are the proteins in connectivity tissues of your foot examples of?