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QUESTION 27 Microtubules are made of tubulin. When tubulin is bound to GTP, it has a higher affinity for other tubulin molecules, so microtubules grow. When tubulin is bound to GDP, the affinity is lower so microtubules shrink. We would say that tubulin is regulated by O Ubiquitylation O Phosphorylation O Small molecule binding Protein-protein interactions

QUESTION 27 Microtubules are made of tubulin. When tubulin is bound to GTP, it has a higher affinity for other tubulin molecules, so microtubules grow. When tubulin is bound to GDP, the affinity is lower so microtubules shrink. We would say that tubulin is regulated by O Ubiquitylation O Phosphorylation O Small molecule binding Protein-protein interactions

Human Anatomy & Physiology (11th Edition)
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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QUESTION 27 Microtubules are made of tubulin. When tubulin is bound to GTP, it has a higher affinity for other tubulin molecules, so microtubules grow. When tubulin is bound to GDP, the affinity is lower so microtubules shrink. We would say that tubulin is regulated by O Ubiquitylation O Phosphorylation O Small molecule binding O Protein-protein interactions
Transcribed Image Text:QUESTION 27 Microtubules are made of tubulin. When tubulin is bound to GTP, it has a higher affinity for other tubulin molecules, so microtubules grow. When tubulin is bound to GDP, the affinity is lower so microtubules shrink. We would say that tubulin is regulated by O Ubiquitylation O Phosphorylation O Small molecule binding O Protein-protein interactions
QUESTION 28 Two complementary strands of DNA are held together by: O Phosphodiester bonds O Glycosidic bonds O Hydrogen bonds O Peptide bonds QUESTION 29 Which statement about prokaryotic and eukaryotic genomes is FALSE? O Eukaryotes and prokaryotes both have DNA wrapped around proteins. O Eukaryotic genomes contain introns and exons while prokaryotic genomes do not. Eukaryotes have linear chromosomes and prokaryotes have circular chromosomes. U Eukaryotes have different nitrogenous bases from prokaryotes.
Transcribed Image Text:QUESTION 28 Two complementary strands of DNA are held together by: O Phosphodiester bonds O Glycosidic bonds O Hydrogen bonds O Peptide bonds QUESTION 29 Which statement about prokaryotic and eukaryotic genomes is FALSE? O Eukaryotes and prokaryotes both have DNA wrapped around proteins. O Eukaryotic genomes contain introns and exons while prokaryotic genomes do not. Eukaryotes have linear chromosomes and prokaryotes have circular chromosomes. U Eukaryotes have different nitrogenous bases from prokaryotes.
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