Answer:
The
different levels of protein structure are known as primary, secondary, tertiary, and quaternary structure. The primary structure is the sequence of amino acids that make up a polypeptide chain. ... The exact order of the amino acids in a specific protein is the primary sequence for that protein.
Answer:
pollution of water. or do you mean pollutant in which case would be like garbage or oil spills
Answer:
Chromosomes must still be copied.
the cell must double in size.
the nuclear DNA must double.
Explanation:
Are you asking which cell is referred to as a sugar factory? That would be (in plant organisms) chloroplasts
<u>Human activity</u>. The sixth mass extinction of of organisms caused by human actions potentially could go as far back as the late Pleistocene era (over 12,000 years ago.)
