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Quiz Chapter 4

Cell Biology

QuestionAnswer
Which statement is FALSE? all proteins of the cell are synthesize in the rough ER
Microfilaments are: polymers of the protein actin
Which is FALSE concerning the cell nucleus? DNA is not packed with histones in the interphase nucleus
The only tools available to determine the type of cell are enzymes that degrade particular elements of the extracellular matrix of cells of particular types. Which of the following data would indicate that the unknown cells were from an animal source The cells are disrupted by application of collagenase (an enzyme that degrades collagen).
The _______________is responsible for the synthesis of ribosomal RNA nucleolus
Cells of the liver and kidney need to detoxify harmful molecules that enter the bloodstream and have an abundant number of_______________ Peroxisomes
The oxidation of fatty acids occurs in the peroxisome mitochondrion
One difference between rough and smooth ER is: smooth ER is involved in drug detoxification
What enzymes are found in lysosomes? acid hydrolases
Ribosomes in eukaryote cells are referred as 80S. What of the following is NOT TRUE about eukaryotic ribosomes They have a Molecular Weight of 80kDa
Depolymerization of microtubules is promoted by colchicine
A major difference between plant and animal cells is: animal cells have no cell wall
Neighboring plant cells are connected to each other by: plasmodesmata
Through which mechanism do prions cause disease? Abnormally-folded proteins
__________ is (are) composed of a series of compartments that function to sequentially modify proteins and lipids. The Golgi apparatus
The stroma-thylakoid system is to the chloroplast like the __________ is to the mitochondria matrix-cristae
Which of the following synthesizes the phospholipids that form the plasma membrane? the smooth endoplasmic reticulum
Which statement is true of viroids? They are single-stranded RNA particles
Chloroplasts and mitochondria are thought to have evolved from prokaryotic ancestors because All of the above
Which is NOT a component of the cell cytoskeleton? cell wall
Created by: mjs021
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