Bundle: Biochemistry, Loose-leaf Version, 9th + Owlv2,1 Term Printed Access Card
Bundle: Biochemistry, Loose-leaf Version, 9th + Owlv2,1 Term Printed Access Card
9th Edition
ISBN: 9781337598071
Author: Campbell, Mary K., FARRELL, Shawn O., McDougal, Owen M.
Publisher: Cengage Learning
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Chapter 3, Problem 54RE

THOUGHT QUESTION Imagine we identify a gene that is directly responsible for the effects of vasopressin on male mammals, including humans-we will call it trust1-that leads to the production of a vasopressin receptor in the brain, which we will call TRUST1. There are different versions of trust1, all of which lead to different levels of the behavior associated with this neuropeptide on male behavior. Give some examples where it would be a good idea to know a particular male’s genotype-that is, which of the trust1 genes he has. Give an example of when you think science has gone too far and this information should not be known.

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One of the pathways required for neural tube closure is the WNT signaling pathway. The WNT receptor WLS and WNT co-receptor TMEM132a are needed for WNT secretion and signaling. Spina bifida (caudal NTD) is seen in WLS homozygous mutant mice (wwTT) as well as in TMEM132a homozygous mutant mice (WWtt).   When a male mouse heterozygous for the Wls mutation (WwTT) is mated with a female mouse heterozygous for the Tmem132a mutation (WWTt), you observe ~25% of the offspring have spina bifida.   A) Of the mice pups from the above cross, what genotype do you predict corresponds to the spina bifida phenotype?     B) Based on your predicted genotype, what is one possible reason that these mice have spina bifida?

Chapter 3 Solutions

Bundle: Biochemistry, Loose-leaf Version, 9th + Owlv2,1 Term Printed Access Card

Ch. 3 - MATHEMATICAL Sketch a titration curve for the...Ch. 3 - MATHEMATICAL Sketch a titration curve for the...Ch. 3 - MATHEMATICAL An organic chemist is generally happy...Ch. 3 - MATHEMATICAL Sketch a titration curve for aspartic...Ch. 3 - REFECT AND APPLY Suggest a reason why amino acids...Ch. 3 - REFECT AND APPLY Write equations to show the ionic...Ch. 3 - REFECT AND APPLY Based on the information in Table...Ch. 3 - REFECT AND APPLY If you were to have a mythical...Ch. 3 - REFECT AND APPLY What would be the pI for the...Ch. 3 - REFECT AND APPLY Identify the charged groups in...Ch. 3 - REFECT AND APPLY Consider the following peptides:...Ch. 3 - REFECT AND APPLY In each of the following two...Ch. 3 - REFECT AND APPLY Could the amino acid glycine...Ch. 3 - RECALL Sketch resonance structures for the peptide...Ch. 3 - RECALL How do the resonance structures of the...Ch. 3 - REFECT AND APPLY Would the peptide group be planar...Ch. 3 - Prob. 27RECh. 3 - REFECT AND APPLY Consider the peptides...Ch. 3 - REFECT AND APPLY Would you expect the titration...Ch. 3 - REFECT AND APPLY What are the sequences of all the...Ch. 3 - REFECT AND APPLY Answer Question 30 using...Ch. 3 - REFECT AND APPLY Most proteins contain more than...Ch. 3 - REFECT AND APPLY If the amino acids alanine and...Ch. 3 - Prob. 34RECh. 3 - REFECT AND APPLY Would the presence of a chiral...Ch. 3 - REFECT AND APPLY What might you infer (or know)...Ch. 3 - Prob. 37RECh. 3 - REFECT AND APPLY Suggest a reason why the amino...Ch. 3 - REFECT AND APPLY Consider the peptides...Ch. 3 - Prob. 40RECh. 3 - Prob. 41RECh. 3 - REFECT AND APPLY You are studying with a friend...Ch. 3 - Prob. 43RECh. 3 - REFECT AND APPLY Suggest a reason (or reasons) why...Ch. 3 - Prob. 45RECh. 3 - REFECT AND APPLY Speculate on the properties of...Ch. 3 - RECALL What are the structural differences between...Ch. 3 - RECALL How do the peptide hormones oxytocin and...Ch. 3 - RECALL What is the role of the disulfide bond in...Ch. 3 - RECALL Is it possible to form cyclic peptides...Ch. 3 - Prob. 51RECh. 3 - RECALL What types of experiments led to evidence...Ch. 3 - Prob. 53RECh. 3 - THOUGHT QUESTION Imagine we identify a gene that...
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