Answer: Promoter
Explanation:
Transcription is the first step in gene expression which consists of copying the DNA sequence of a gene to produce a RNA molecule. There are enzymes called <u>RNA polymerases which perform this process of transcription</u>. These enzymes bind nucleotides (the monomers which are part of the nucleic acids) to create a RNA strand using a DNA strand as a mold.
A promoter is a region of DNA that controls the initiation of transcription of a given portion of DNA to RNA. Therefore they promote the transcription of a gene. <u>The promoter region is composed of a specific sequence of DNA located just where the starting point of the DNA transcription is</u> and contains the information needed to activate or deactivate the gene it regulates. <u>The promoter has a binding site for the RNA polymerase enzyme </u>in charge of mRNA synthesis and when it recognizes this site, transcription begins.
That the tree is not as old than a tree with thicker rings because the tree has had more time to absorb the water.
Answer:
False
Explanation:
A theory isn't proven like a law, but many scientist revised and approved of if it.
Answer:
C 25%horns 75%no horns
Explanation:
using a punnet square for 2 heterozygouse cattle
H h
H HH Hh
h Hh hh
