Answer:
I think scientists use these types of structures to determine how organisms are related by:
establishing associations between related common ancestors.
Explanation:
The reason behind this answer is that in the first place, scientists can evaluate the source origin of all organisms and find out if they share a common ancestor based on the organization they have. This can be very useful considering certain organisms can share characteristics. So, they might be located near one to the other.
The answer to the question is letter d
<span>The 5' end
During transcription, new nucleotides are added to the 3' end of the molecule due to the arrangement of the nucleotide with the new nucleotide being added to the hydroxyl group at the 3' position of the ribose.</span>
Answer:
1.) Why does menstruation begin?
A.) Period happens because of changes in hormones in the body.
2.) How long does the menstrual cycle usually last?
A.) the menstrual cycle lasts 21 to 35 days while bleeding between 2 to 7 days
<u>-TheUnknownScientist</u>
