Campbell Biology-Access (Custom)
16th Edition
ISBN: 9781323250228
Author: PEARSON SOLN.
Publisher: PEARSON
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Chapter 5, Problem
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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Chapter 5 Solutions
Campbell Biology-Access (Custom)
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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- Each amino acid could potentially exist as one of two possible enantiomers, known as the D-form and the L-form (based on the arrangement of thegroups attached to the asymmetric α carbon). However, in all organisms, only L-amino acids are found in proteins. What does this suggest about the evolution of proteins?arrow_forwardCould you please write a brief explanation about "Protein Evolution - Primary Structures of Proteins Reveal Evolutionary Relationships" please?arrow_forwardEVOLUTION LINK Each amino acid could potentially exist as one of two possible enantiomers, known as the D-form and the L-form (based on the arrangement of the groups attached to the asymmetric carbon). However, in all organisms, only L-amino acids are found in proteins. What does this suggest about the evolution of proteins?arrow_forward
- Proteins, the building blocks of life, have several functions in the human body and all the operations depend upon the structural specificity which can be explained by the lock and key hypothesis. Expand the ideaarrow_forwardAnalysis of the evolution of proteins reveals that Glycine and Cystiene are often conserved. For each, describe why this may be the case. Give an example of an amino acid that is not as likely to be conserved, and explain the rationale for why.arrow_forwardWhy can more organisms tolerate higher concentrations of sugar than salt? Please explain from both a. a molecular point of view b. an evolutionary point of viewarrow_forward
- What if two organisms (Ex. Horse & Monkey) have the same number of amino acid incommon from a given species/animal (Human) Cytochrome C? In situations like this,how would you decide which is more closely related to the given species or animals(Human)?arrow_forwardYou discovered a (tiny) novel protein and figured out that the protein sequence was: Met-Ala-Arg-Gly-Trp-Ala-Pro Work backwards (showing your work) to identify 2 possible DNA sequences that might encode your protein. Sequence 1: ______________________________________________________________________ Sequence 2: ______________________________________________________________________ Based on these sequences, is there anything you could infer about where this organism might live? Could the DNA in your possible sequences be beneficial for any particular environments?arrow_forwardNotice that when comparing our amino acid sequence to a fruit fly, we have a difference of 29 amino acids. That number jumps drastically when we compare ours to the thesis monkey, which has difference of 1. Why does this make sense?arrow_forward
- TF’s as a group have structural/domain similarities – what are they? How does the term motif fit into this conversation?arrow_forwardIf you wanted to estimate the molecular weight of a newly isolated protein (no known amino acid sequence) as close to its actual molecular weight as possible, what technique might you use and please explain why.arrow_forwardProteins called molecular chaperones assist in the process of protein folding. One class of chaperones found in organisms from bacteria to mammals is heat shock protein 90 (Hsp90). All Hsp90 chaperones contain a 10 amino acid “signature sequence” that allows ready identification of these proteins in sequence databases. Two representations of this signature sequence are shown below. (a) In this sequence, which amino acid residues are invariant (conserved across all species)?(b) At which position(s) are amino acids limited to those with positively charged side chains? For each position, which amino acid is more commonly found?(c) At which positions are substitutions restricted to amino acids with negatively charged side chains? For each position, which amino acid predominates?(d) There is one position that can be any amino acid, although one amino acid appears much more often than any other. What position is this, and which amino acid appears most often?arrow_forward
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