In eukaryotic cells, the timing of the cell is regulated by?
a) centrioles
b) cyclins
c) spindle fibers
d) the nuclear envelope
21. cancer is a disorder in which some cells have lost the ability to control their
a) size
b) spindle fibers
c) growth rate
d) surface area

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.

a compound light microscope is used to magnify objects in steps.  

hope it