EBK CAMPBELL BIOLOGY
10th Edition
ISBN: 9780136539414
Author: Reece
Publisher: VST
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Textbook Question
Chapter 5, Problem 10TYU
EVOLUTION CONNECTION Comparisons of amino acid sequences can shed light on the evolutionary divergence of related species. If you were comparing two living species, would you expect all proteins to show the same degree of divergente? Why or why not? Justify your answer.
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Check out a sample textbook solutionStudents have asked these similar questions
When comparing similarities among multiple protein structures, which of the following is false?
None of the above statements are false.
Proteins with the same function from different species are likely to be more similar in sequence than in
structure.
Proteins with the same function from a different species are likely to have similar motifs.
Proteins with the same motifs are likely to perform similar functions.
An effective protein motif is likely be observed in multiple proteins.
O O
O O O
A comparison of the aligned amino acid sequences of two proteins each consisting of 150 amino acids reveals them to be only 8% identical. However, their threedimensional structures are very similar. Are these two proteins related evolutionarily? Explain
Read the scenario.
An evolutionary biologist performs a research project in which she analyzes a specific blood protein found in most mammals. In her analysis, she determined that the protein is made from a sequence of 88 amino acids. She identified each of the specific amino acids that make up the blood protein for five different organisms (A-E). Below is a table that shows the results. The numbers in the table represent the number of amino acids that match when comparing two different organisms. For example, if you compare organisms A and B, you will see that they have 31 amino acids that match.
Organisms
A
B
C
D
E
A
X
31
42
8
65
B
31
X
14
3
10
C
42
14
X
72
43
D
8
3
72
X
19
E
65
10
43
19
X
Using the data above, which two organisms are the most closely related?
a
organisms A and D
b
organisms A and E
c
organisms B and D
d
organisms C and D
Chapter 5 Solutions
EBK CAMPBELL BIOLOGY
Ch. 5.1 - What are the four main classes of large biological...Ch. 5.1 - How many molecules of water are needed to...Ch. 5.1 - WHAT IF? If you eat a piece of fish, what...Ch. 5.2 - Write the formula for a monosaccharide that has...Ch. 5.2 - Prob. 2CCCh. 5.2 - WHAT IF? After a cow is given antibiotics to...Ch. 5.3 - Compare the structure of a fat (triglyceride) with...Ch. 5.3 - Why are human sex hormones considered lipids?Ch. 5.3 - Prob. 3CCCh. 5.4 - What parts of a polypeptide participate in the...
Ch. 5.4 - Prob. 2CCCh. 5.4 - WHAT IF? Where would you expect a polypeptide...Ch. 5.5 - Prob. 1CCCh. 5.5 - DRAW IT In a DNA double helix, a region along one...Ch. 5.6 - How would sequencing the entire genome of an...Ch. 5.6 - Given the function of DNA, why would you expect...Ch. 5 - What is the fundamental basis for the differences...Ch. 5 - Compare the composition, structure, and function...Ch. 5 - Why are lipids not considered to be polymers or...Ch. 5 - Explain the basis for the great diversity of...Ch. 5 - What role does complementary base pairing play in...Ch. 5 - Prob. 5.6CRCh. 5 - Prob. 1TYUCh. 5 - The enzyme amylase can break glycosidic linkages...Ch. 5 - Prob. 3TYUCh. 5 - The structural level of a protein least affected...Ch. 5 - Enzymes that break down DNA catalyze the...Ch. 5 - The molecular formula for glucose is C6H12O6. What...Ch. 5 - Which of the following pairs of base sequences...Ch. 5 - Construct a table that organizes the following...Ch. 5 - Prob. 9TYUCh. 5 - EVOLUTION CONNECTION Comparisons of amino acid...Ch. 5 - SCIENTIFIC INQUIRY Suppose you are a research...Ch. 5 - WRITE ABOUT A THEME: ORGANIZATION Proteins, which...Ch. 5 - SYNTHESIZE YOUR KNOWLEDGE Given that the function...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Read the scenario. An evolutionary biologist performs a research project in which she analyzes a specific blood protein found in most mammals. In her analysis, she determined that the protein is made from a sequence of 88 amino acids. She identified each of the specific amino acids that make up the blood protein for five different organisms (A-E). Below is a table that shows the results. The numbers in the table represent the number of amino acids that match when comparing two different organisms. For example, if you compare organisms A and B, you will see that they have 31 amino acids that match. Organisms A B C D E A X 31 42 8 65 B 31 X 14 3 10 C 42 14 X 72 43 D 8 3 72 X 19 E 65 10 43 19 X Using the data above, which two organisms are the most closely related?A. organisms A and DB. organisms A and…arrow_forwardWe need a string-matching-based approach to identifying protein homologies between several proteins. In what way does it function? With what evidence do you back up your assertion?arrow_forwardSuppose that the sequences of two proteins each consisting of 200 amino acids are aligned and that the percentage of identical residues has been calculated. How would you interpret each of the following results in regard to the possible divergence of the two proteins from a common ancestor? (a) 80% (b) 50% (c) 20% (d) 10%arrow_forward
- well-conserved regions in multiple sequence aligmements: a. are areas of structural importance b. are areas of both functional and structural importance c. are likely to be areas of functional and/or structural importance d. are areas of functional importancearrow_forwardCould you please write a brief explanation about "Protein Evolution - Primary Structures of Proteins Reveal Evolutionary Relationships" please?arrow_forwardThe RNA World theory states that RNA preceded DNA as the primary information-storing molecule, and life on early earth consisted entirely of RNA molecules. Which of the following provides the most direct support for this theory? A B с D The ribose sugar on the RNA nucleotide contains a hydroxyl group that increases its chemical stability. RNA molecules do not usually form a complementary double helix and therefore require less biomolecular resources to synthesize. RNA molecules consist of only four nucleotides, making their synthesis and replication relatively simple. The chemical versatility of RNA molecules allows them to store information as well as to fold into different functional shapes.arrow_forward
- Give Explanation Detailed Solutionarrow_forwardA mutational event inserts an extra nucleotide pair intoDNA. Which of the following outcomes do you expect?(1) No protein at all; (2) a protein in which one aminoacid is changed; (3) a protein in which three amino acidsare changed; (4) a protein in which two amino acids arechanged; (5) a protein in which most amino acids afterthe site of the insertion are changed.arrow_forwardThe relationship between DNA, RNA and Protein constitute the “central dogma of molecular biology”. Explain this statementarrow_forward
- Four proteins Cytochrome C (pI=10.2) Myoglobin (pI=7.2), Hemoglobin (pI = 6.8) and Serum Albumin (pI= 4.8) were used in our gel electrophoresis lab exercise. What is the molecular basis for the differences in the electrophoretic mobilities of the four proteins analyzed in this exercises? size shape charge all of themarrow_forwardThe goal of structural proteomics project isa) To crystallize and determine the structure of as many proteins as possible, in many cases with little or no existing information about protein functionb) To identify and sequence of all the genes present in the human bodyc) To introduce new genes to human beingsd) To remove disease causing genes from humansarrow_forward#BIOCHEMISTRY Propose a 1 sentence hypothesis for what you would expect to see when comparing the DNA content of the bacteria from Antarctica and Miami beach. Be sure to support your hypothesis in 4-5 sentences using chemical details.arrow_forward
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