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57 Cards in this Set
- Front
- Back
Stacks of cisternae with vescular end; involved in packaging and secretion of protein and lipids
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Golgi apparatus
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Contain catalase to use O2 to oxidize organic substances (detoxify alcohol from liver)
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Peroxisome
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Sites of cellular respiration requiring O2; contain some DNA used for self replication
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Mitochondria
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Located on surface of cells of respiratory tract to move mucus
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cilia
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Help organize mitotic spindle used in cell division and also help form flagella and cilia
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centrioles
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The FALSE statement about golgi apparatus
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it pulls chromosomes toward poles of the cell during mitosis
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The reason that inter-vertebral discs exhibit a large amount of tensile strength to absorb shock is because they possess:
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collagen fibers
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Human cells are basically factories which produce large numbers of diverse ____
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proteins
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NOT a characteristic of the plasma membrane
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it provides the foundation for cell organelles
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lymphocyte makes proteins that are exported from the cell. The path it takes;
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Rough ER--Golgi---plasma membrane
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Which structure regulated the passage of molecules into and out of the cell
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plasma membrane
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The __can produce molecules necessary for the repair of the plasma membrane
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smooth ER
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Which of the following structures are not found in the cytoplasm
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nucleolus
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Which organelle is believed to detoxify drugs
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peroxisomes
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The __ will produce vesicles that can fuse with the plasma membrane
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Golgi body
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the organelle that is involved in producing the major amount of ATP in the cell is:
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mitochondria
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Sperm cell motility is due to the:
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flagella
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Mucus moves up the respiratory tract by:
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cilia
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In the liver, peroxisomes function to:
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convert hydrogen peroxide to less dangerous substances
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The RNA molecule is ___
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usually single stranded
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t-RNA ____
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delivers amino acids to m-RNA to ribosomes
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The loading of m-RNA onto an intact ribosomes occurs during___
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transcription
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Which of the following accurately describes the arrangement of phospholipids in the plasma membranes
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their hydrophillic ends form the membrane surface
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Rough ER is characterized as having a surface studded with
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ribosomes
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Smooth ER functions include
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steroid assembly
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Ribosomes are necessary for:
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protein synthesis
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The only RNA that can cross the nuclear membrane is:
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m RNA
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Genes are carried on ___
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chromosomes
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Sister chromotids are joined at the:
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centromeres
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Which of the following does NOT occur during interphase
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chromatin becomes tightly coiled
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Which of the following is NOT a stage of mitosis
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interphase
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During telophase ___
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prophase is reversed
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Which of the four types of tissue is most abundant
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connective
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Which statement about connective tissue is FALSE
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cells are very closely packed together
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Which lipids compose approximately 3/4 of the lipids in the plasma membrane of a human cell
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phospholipids
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Which of the following is NOT a general feature of epithelial tissue
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epithelium mostly loosely packed
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How many layers of cells are present in pseudostratified epithelium
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one
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The fibrous component of connective tissu are produced by
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fibroblasts
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Which connective tissue forms tendons, ligaments, and aponeuroses
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dense connective tissue
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The fact that the aroma of cookies baking in the kitchen reaches you in the living room is due to:
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diffusion
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main intracellular cation
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k+
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non membranous chemical substances produced by cells as needed
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inclusion
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semi fluid portion of cytoplasm
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cytosol
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main extracellular cation
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Na+
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rate of diffusion
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kinetic energy
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The type of tissue that covers body surfaces, lines body cavities, and forms glands is:
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epithelial
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A cucumber is placed in a hypertonic solution--the result would be:
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shrinking
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Diffusion is an example of
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passive transport
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NOT TRUE about diffusion
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low concentration to high concentration
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facilitated diffusion of glucose across a cell membrane requires __ and moves a substance __ its concentration gradient:
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transports proteins...down
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Osmosis is:
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diffusion of water
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Active transport:
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all choices are correct
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The act of a white blood celled engulfing a toxin is:
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phagocytosis
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Which of the following does NOt occur during interphase:
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chromatin becomes tightly coiled
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During metaphase
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chromosomes line up at the middle
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Carrier molecules call permeases assist glucose across membranes duringL
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facilitated diffussion
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Aerobic means with
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oxygen
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