before a molecule of mrna can be translated into a protein on the ribosome, the mrna must first be transcribed from a sequence of dna.

Match the types of competition to their descriptions

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

What is the term for the two sets of chromatids formed in the parent cell a. haploid b. diploid c. gamete d. tetrad