Light microscopes use what principle in order to present the image?
A. Reflection B. Refraction C. Magnefication D. Wave Structure
What did the progression of microscopes allow?
A. The ability to look deeper inside the cells B. The ability to look at a variety of cells C. The ability to examine different parts of the cells D. All of the above
What is the main difference between the anatomy of a plant and animal cell
A. The presence of both smooth ER and rough ER B. The size of the two cells C. The presence of a cell wall in the plant cell D. A plant cell is a prokaryote while an animal cell is a eukaryote
Proteins are to rough ER as _____________are to smooth ER.
A. Carbohydrates B. Ribosomes C. Sugars D. Lipids
T/F Cells compartments provide different local enviornments that perform specific metabolic functions which allows imcompatible processes to go on at the same time.
True or False
The nuclear envelope is comprised of
A) 1 Bilayer B) 2 Lipid Bilayers C) 1 protein and 1 Lipid bilayer D) Polymers of Nuclear pores E) None of the above
Chromatin consists of
A) mRNA and rRNA B) DNA and mRNA C) DNA and rRNA D) DNA and proteins E) DNA and pentose sugar
Nuclear Pores are 100nm in diameter to
A) Prevent viruses from entering the nucleus B) Prevent mRNA from leaving the nucleus C) Allow mRNA to leave the nucleus D) Allow chromatin to leave the nucleus E) None of the above
A) are composed of rRNA and protein B) use mRNA to synthesize proteins C) Can be free in the cytosol or attached to membranes D) All the above E) None of the above
The endomembrane system consists of:
A) The contents of the Golgi apparatus B) The membranes located within the nucleus C) The membranes of the ER, Golgi, Nuclear Envelope, and Lysosomes D) A and B E) B and C
Smooth ER differs from rough ER in that
A) Rough ER is more likely to package proteins for export B) Smooth ER have many ribosomes on their surface C) Smooth ER and rough ER are physically detached from each other D) Rough ER is more efficient at detoxifying drugs E) All of the above are true
Which of the following is true regarding Golgi?
A) It receives vacuoles at its “trans” face B) It exports vacuoles from its “cys” face C) It modifies, but never synthesizes compounds D) Golgi are arranged in stacks
Which of the following statements is false regarding Lysosomes?
A) They are used to dismantle nutrients B) They can be used to destroy potential invaders C) Their enzymes function at a low pH D) Lysosome defienciencies are common in those who have genetic disorders
A) Found in both plant and animal cells B) Function to digest phagocytosed food C) Are sometimes used to regulate water homeostasis. D) Serve as storage areas for proteins and salts E) C and D
What is the site of photosynthesis?
A. Smooth ER B. Chloroplast C. Mitochondria D. Cytoskeleton
Which statement is true?
A. Mitochondria and chloroplasts are part of the endomembrane system. B. The role of the cytoskeleton is only support. C. The nuclear envelope us the center of manufacturing. D. The outer and inner membrane of the mitochondria fold into cristae.
The interconnected sacs that make up a granum are called what?
A. Stroma B. Plastids C. Thylakoids D. Peroxisomes
The largest type of fiber that makes up the cytoskeleton is what?
A. Microtubules B. Flagella C. Microfilaments D. Intermediate filaments
Microfilaments are thin walls built from what?
A. Starch B. Middle lamella C. Actin D. Plastids
What kind of cells have a cell wall?
A. Animal B. Plant C. Eukaryotic D. A and C
What does ECM stand for?
A. Ecological Cell Matrix B. Extracellular Matrix C. Ecological Matrix D. A and C
What is the most abundant glycoprotein in the ECM for most animals?
A. Collagen B. Proteoglycans C. Fibronectin D. Integrins
Which is the correct pair?
A. Tight junctions -- communicating junctions B. Desmosomes -- anchoring junctions C. Gap junctions -- tight junctions D. Desmosomes- communicating junctions
What do peroxisomes produce?
A. Carbon dioxide B. Hydrogen peroxide C. Carbon peroxide D. Glycogen
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