#1 Excercise and eating healty may increase which of the following? A High Densi
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Question
#1 Excercise and eating healty may increase which of the following?
A High Density Lipoproteins
B Low Density Lipoproteins
C Both 1 and 2
D Atherosclerosis
#2 Which is NOT part of the Endomembrane System?
A Peroxisomes
B Endoplasmis Reticulum
C Vacuole
D All are part of the Endomembrane system
#3 Clatherin-coated vesicles appear to originate here. Interconnecting rough flatten saccules are called:
A Golgi
B Lysosomes
C RER
D SER
#4 The liver functions in ALL of the following EXCEPT:
A Making molecules more hydrophobic for excretion from the body B
B Synthesis and metabolism of lipids
C Making molecules more amphiphatic for excretion from the body
D Detoxification of drugs
#5 Which of the following is composed of alpha and beta tubulin?
A Microtubules
B Microfiliaments
C Intermediate Filiaments
D Microtubules and Microfiliaments
#6 Which is TRUE of domesticated proteins?
A They are synthesized on the smooth ER
B They are synthesized on the ropugh ER
C Exampes are lysosomal enzymes
D They are devoid of leader sequences
#7 Which is NOT a protective mechanism of the cell against the degradation of lysosome by lysosomal enzymes.
A These proteins are synthesized in the ER in the active form called Zymogens.
B Production of proteins IgA and IgB in the membrane of lysosomes.
C Transport of these enzymes in coated vesicles.
D Cargo is tranported at a pH near 7.
#8 Lisa Taylor and Stephanie Means lysed some cells and isolated a proteins which had 16 amino acids missing from the N-terminus. Which of the following is NOT the possible protein?
A Glycosyltransferases
B Lysosomal proteins
C Signal Recognition Particle Receptor
D Hexokinase
E Endoplasmic Reticulum Chaperones
# 9 Which is NOT a function of coated vesicles of the Endomembrane System?
A Separate cargo synthesized in the regulated pathway from that of the biosynthesis pathway
B Direct vesicles to their proper destination
C Separate domesticated and secretory proteins
D All of the above
#10 Glycosyltransferases transfer sugars from:
A From a sugar chain to the protein
B From a sugar nucleotide to a growing sugar chain
C From a sugar chain to oligotransferses
D From oligotransferases to a protein
#11 Proteins synthesized in the Biosynthetic-secretory Pathway which do not fold properly are removed by:
A Protein disulfide Isomerases
B Chaperones
C Oligosaccharide transferases
D Signal peptidases
#12 Which is NOT true of Endosomes?
A They contain proton ATPase pumps
B Its contents are produced in the Biosynthetic-Secretory Pathway
C Endosome and Lysosomes are virtually the same organelles
D Late endosomes are located near the plasma membrane
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