1 The different continents on Earth today were once connected with each other. What caused them to break apart? *

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

One of the purposes of transcription is to produce a sequence of bases that

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false