In prokaryotic cells, the DNA is found- A)Attached to the ribosomes.
B)Floating in the cytoplasm.
C)Contained in the vacuole.
D)Surrounded by the nuclear membrane.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Did you know that a blue wales tongue weighs more than an elephant?

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .