Biology, 22.08.2020 03:01 hdwoody2002
Prompt
Comparing amino acid sequences in proteins has been used to determine the relatedness of organisms. Below is a graphic that shows
amino acid sequence differences between different organisms for a protein keratin Changes in amino acid sequences are known to cau
changes in structure of proteins.
23
9
Species A Species B Species c Species D Species E
Species A
4
1
Species B
12 18 5
Species
8 10
Species D
20
Species E
Part A. Consider species A, D, and E Using the data provided, describe how the structures of their keratin proteins would compare.
Part B. Keratin is made up of about 450 amino acids. Determine the similarity in percentages between species A and B A and C, and B
and C. Explain how amino acid sequences can be used in determining how closely related two species are.
Part C. Based on this data, predict which two species would be more closely related to one another
gallns
Part D. Justify your predictions to part C
Answers: 2
Biology, 22.06.2019 06:30
Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.
Answers: 1
Biology, 22.06.2019 09:00
Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.
Answers: 3
Biology, 22.06.2019 21:30
How would this hypothesis different from the scientific law a. increases gene flow b. eliminates fixed alleles c. allows divergence to occur d. stops adaptive radiation
Answers: 1
Biology, 22.06.2019 22:40
What are the coordinates of vertex a of square abcd? a (β1, β6) b (β1, β2) c (β1, 6) d (β2, 1)
Answers: 2
Prompt
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