9. The precursors of the pigments (tryptophan and guanine) need to be transported into the lysosome-related organelles that produce the pigments. There is a membrane- spanning permease system, including ATP binding cassette transporters, that allow for the precursors to be imported into the organelles. These transporters are made of two separate proteins. One transporter is made of a dimer of the white protein and the brown protein. The other transporter is made of a dimer of the white protein and the scarlet protein. a. At a cellular and biochemical level, explain what happens in brown mutants. What pteridines would you expect to see in these mutants? Is this what you observed? Explain any discrepancies. b. At a cellular and biochemical level, explain what happens in scarlet mutants. What pteridines would you expect to see in these mutants? Is this what you observed? Explain any discrepancies. At a cellular and biochemical level, explain what happens in white mutants. What pteridines would you expect to see in these mutants? Is this what you observed? Explain any discrepancies. С.
9. The precursors of the pigments (tryptophan and guanine) need to be transported into the lysosome-related organelles that produce the pigments. There is a membrane- spanning permease system, including ATP binding cassette transporters, that allow for the precursors to be imported into the organelles. These transporters are made of two separate proteins. One transporter is made of a dimer of the white protein and the brown protein. The other transporter is made of a dimer of the white protein and the scarlet protein. a. At a cellular and biochemical level, explain what happens in brown mutants. What pteridines would you expect to see in these mutants? Is this what you observed? Explain any discrepancies. b. At a cellular and biochemical level, explain what happens in scarlet mutants. What pteridines would you expect to see in these mutants? Is this what you observed? Explain any discrepancies. At a cellular and biochemical level, explain what happens in white mutants. What pteridines would you expect to see in these mutants? Is this what you observed? Explain any discrepancies. С.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.
Question
Transcribed Image Text:9. The precursors of the pigments (tryptophan and guanine) need to be transported into
the lysosome-related organelles that produce the pigments. There is a membrane-
spanning permease system, including ATP binding cassette transporters, that allow for
the precursors to be imported into the organelles. These transporters are made of two
separate proteins. One transporter is made of a dimer of the white protein and the
brown protein. The other transporter is made of a dimer of the white protein and the
scarlet protein.
a. At a cellular and biochemical level, explain what happens in brown mutants.
What pteridines would you expect to see in these mutants? Is this what you
observed? Explain any discrepancies.
b. At a cellular and biochemical level, explain what happens in scarlet mutants.
What pteridines would you expect to see in these mutants? Is this what you
observed? Explain any discrepancies.
At a cellular and biochemical level, explain what happens in white mutants.
What pteridines would you expect to see in these mutants? Is this what you
observed? Explain any discrepancies.
C.
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