Before mitosis begins, which happens before the nucleus starts dividing?

The DNA replicates.

The cytoplasm separates.

The sister chromatids separate.

The homologous chromosomes cross over.

What type of protein activate some chemical reaction in the body

Name and describe the first stage of cellular respiration

Which phrases describe foliated rocks? Check all that apply. Tend to break in half grains arranged randomly grains form in parallel layers tend to split apart along bands grains arranged in increasing size

Why are the fish dying in thd gray area.

Which environmental changes are considered short term check all that apply

Why genes close together in the same chromosome are said to be linked

Why does the appearance of the moon change each month?

In your own words, explain a crucial piece of evidence that an ancient Greek astronomer could have used to support the geocentric model of the solar system.

Why might a trait that is an advantage today become a disadvantage in the future

What kind of pig is pink with floppy ears