Before meiosis begins, chromosomes duplicate, making chromosomes that have sister chromatids. Which step is this?

A. prophase

B. telophase

C. interphase

D. metaphase

Which question is a nonscientific question? 1. Why are roses the best flowers? 2. Does the color of a rose affect how long it blooms? 3. Will a rose plant bloom faster if it is fertilized? 4. Do rose plants grow faster in higher temperatures?

Seth will attend college in the fall and live in the dormitory, so he is required to obtain a blank against bacterial meningitis, which will stimulate his body to produce immunity to the disease.

To crack the genetic code, researchers introduced synthetic messenger RNAs into in vitro translation systems and determined which proteins were produced from these synthetic mRNAs.

A forest fire in Florida clears thousands of acres of trees. What are the consequences for the animal populations in the surrounding area?

This organism is multicellular and has tissue organization. The organism gets the energy it needs by decomposing organic matter. To what kingdom does this organism belong?

What is the biological determination system for the sex of the baby

7. How did Annie Jump Cannon lose her hearing?

What is the process of water moving down through the cell call

Which parts of the body can exposure to lead

What would happen to an animal such as a shark if it's heart failed?