Question

molecular biology
cytochrome c is a protein found in mitochondria. it is used in the study of evolutionary relationships because most animals have this protein. cytochrome c is made of 104 amino acids joined together.
below is a list of the amino acids in part of a cytochrome protein molecule for 9 different animals. any sequences exactly the same for all animals have been skipped.
for each non - human animal, take a highlighter and mark any amino acids that are different than the human sequence. when you finish, record how many differences you found in the table on the next page.
(here are two tables showing the amino acid sequences of different animals cytochrome c compared to humans, and a table to record the number of amino acid differences between each non - human animals cytochrome c and humans. the first table has columns from 42 to 57 and rows for human, chicken, horse, tuna, frog, shark, turtle, monkey, rabbit. the second table has columns from 58 to 104 and the same rows. the last table has columns for animal, number of amino acid differences compared to human cytochrome c, animal, number of amino acid differences compared to human cytochrome c, with rows for horse, chicken, tuna, frog, shark, turtle, monkey, rabbit.)

Explanation:

Step1: Count Horse differences

Compare each Horse amino acid to Human: Positions 46, 50, 58, 60, 62 → 5 differences.

Step2: Count Chicken differences

Compare each Chicken amino acid to Human: Positions 44, 46, 50, 58, 100, 103, 104 → 7 differences.

Step3: Count Tuna differences

Compare each Tuna amino acid to Human: Positions 44, 46, 50, 55, 58, 60, 61, 65, 103, 104 → 10 differences.

Step4: Count Frog differences

Compare each Frog amino acid to Human: Positions 44, 46, 50, 58, 62, 100, 102, 103, 104 → 9 differences.

Step5: Count Shark differences

Compare each Shark amino acid to Human: Positions 44, 46, 55, 58, 60, 61, 65, 66, 101, 102, 103, 104 → 12 differences.

Step6: Count Turtle differences

Compare each Turtle amino acid to Human: Positions 44, 46, 50, 53, 100, 103, 104 → 7 differences.

Step7: Count Monkey differences

Compare each Monkey amino acid to Human: Position 58 → 1 difference.

Step8: Count Rabbit differences

Compare each Rabbit amino acid to Human: Positions 44, 46, 50, 58 → 4 differences.

Answer:

Animal	Number of Amino Acid Differences Compared to Human Cytochrome C	Animal	Number of Amino Acid Differences Compared to Human Cytochrome C
Chicken	7	Turtle	7
Tuna	10	Monkey	1
Frog	9	Rabbit	4