a. Draw out the pathways described above. Provide accurate line drawings for each lipid described b. For each step, identify if an elongase and/or desaturase is used. If a desaturase is used, indicate the type (for example 9 desaturase). c. For each step indicate whether the parasite could be using an enzyme from the human host to complete the step. Briefly justify your choices. d. This pathway is being considered as a parasite-specific target for drugs (to treat parasitic infections). Which step would you choose to target and why?
a. Draw out the pathways described above. Provide accurate line drawings for each lipid described b. For each step, identify if an elongase and/or desaturase is used. If a desaturase is used, indicate the type (for example 9 desaturase). c. For each step indicate whether the parasite could be using an enzyme from the human host to complete the step. Briefly justify your choices. d. This pathway is being considered as a parasite-specific target for drugs (to treat parasitic infections). Which step would you choose to target and why?
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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Question
Downstream actions of enzymes generate C22:4 Δ
7,10,13,16 and
C22:5 Δ
7,10,13,16,19, which are converted to final products C22:5 Δ
4,7,10,13,16 and C22:6 Δ
4,7,10,13,16,19
.
a. Draw out the pathways described above. Provide accurate line drawings for each lipid
described
b. For each step, identify if an elongase and/or desaturase is used. If a desaturase is used,
indicate the type (for example
9 desaturase).
c. For each step indicate whether the parasite could be using an enzyme from the human
host to complete the step. Briefly justify your choices.
d. This pathway is being considered as a parasite-specific target for drugs (to treat parasitic
infections). Which step would you choose to target and why?
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