Answer: Always and always
Explanation:
Within any large animal population there is always a variety of traits seen in the population. When there is a large number of individuals in a population then there are chances that there a genetic diversity.
Sexual reproduction in the organism can lead to the genetic variation in the organism. There are chances to have more variation in the population having more organism.
Two different organism are genetically different and there are variety of traits seen in the two animals that belongs to different species.
traditionally orange, but there are rainbow carrots that can be purple and yellow
I believe the part of the cell theory you can use to refute his claim is that cells are the smallest unit of life and more importantly that all cells come from other living cells.
Which of these proteins in mammals show only primary and secondary
structures - Keratin. Proteins like keratin are made up of multiple
peptide chains (polypeptide); these are group of amino acids joined by
peptide bonds. [ The sequence of amino acids in a protein is the
primary structure while the specific shape in which it is folded (alpha
or beta) is called the secondary
