Term
no ribosomes, synthesis of phospholipids and cholesterol, synthesis of steroid hormones (androgens and estrogens),synthesis and storage of glycogen in skeletal muscle and liver cells |
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Definition
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covered by ribosomes "shipping depot" for proteins |
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Definition
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packaging center of cell (esp glycoproteins and enzymes), Golgi consists of 5-6 flat membrane discs called cisternae |
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Definition
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Term
contain secretions for transport |
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Definition
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Term
"garbage disposals"- contain enzymes that help break down harmful or very large substances to prevent harm to cell, clean up and recycle (ex unused muscle) |
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Definition
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"powerhouse" of the cell, the membrane folds inside are crystal, here a phosphate group is added to ADP to form ATP, break down of ATP yields energy |
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Definition
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Term
Where is one glucose broken down into to pyruvic acid molecules without the presence of oxygen- anaerobic portion of cellular respiration (2 ATP) |
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Definition
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Term
without the presence of oxygen |
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Definition
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Term
What its it called when pyretic acids move into the mitochondria and CO2 is released leading to the tricarboxylic acid cycle and requires oxygen? |
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Definition
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Term
How are ADP molecules are turned int 36 ATP molecules? |
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Definition
after aerobic respiration, these molecules are broken down and the leftover hydrogen atoms are delivered by carrier proteins to the crystal where the electrons are removed from the hydrogens (electron transport chain) |
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Term
How many ATP molecules can one glucose produce in cellular respiration? |
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Definition
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Term
the electrons are removed from the hydrogens |
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Definition
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Term
What are the other two names for the tricarboxylic acid cycle? |
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Definition
Kreb's Cycle or Citric Acid Cycle |
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Term
in the nucleus and synthesize ribosomal RNA and ribosomes, it is made of RNA, enzymes and proteins called histones |
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Definition
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Term
What are strands of DNA called? |
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Definition
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Term
What do strands of DNA called chromatin coil around to form chromosomes during cell division? |
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Definition
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Term
functional unit of heredity, contains all the DNA triplets needed to produce specific proteins |
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Definition
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Term
Since DNA cannot leave the cell's nucleus, how does it get to the cytoplasm where proteins are made? |
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Definition
a copy is carried as messenger RNA |
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Term
What is protein synthesis? |
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Definition
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Term
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Definition
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permanent changes in DNA that affects the nucleotide sequence of one or more gene |
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Definition
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Term
movement of molecules from high to low concentrations |
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Definition
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Term
movement of water from high to low concentrations (no cellular energy required) |
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Definition
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Term
no net movement in or out of cell |
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Definition
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Term
too many particles in cell so water moves in (swell) |
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Definition
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Term
too many particles outside, water out (shrink) |
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Definition
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Term
occurs when large molecules are moved in or out of cell with help of carrier proteins when molecules bond to a receptor site on the protein (no cellular energy required) |
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Definition
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Term
What moves like facilitated diffusion? |
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Definition
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Term
requires energy to move materials from low to high concentrations |
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Definition
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Term
Cations (Na+0 excess outside cell and K+ in cell- requires energy to keep homeostasis (K+ that leaks out is brought back in and Na+ that comes in is pumped back out) |
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Definition
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Term
movement into cell using saclike vesicles |
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Definition
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Term
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Definition
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takes in solids using extensions of cytoplasm called pseudopodia |
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Definition
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Term
What engulfs bacteria, cell debris, etc; |
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Definition
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Term
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Definition
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What does cell division produce? |
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Definition
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Term
genetically controlled death of cells |
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Definition
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Term
duplication of cell;s genetic material |
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Definition
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Term
division of nuclear material of somatic cells |
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Definition
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Term
cell division that produces sex cells with 23 chromosomes each |
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Definition
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Term
What is a growth period for a cell (g1, S, g2) and may take up to 21 hours then mitosis (PMAT)- about 1-3 hours then division of cytoplasm or cytokineses |
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Definition
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Term
chromosomes appear, spindle fibers extend between two pairs of centrioles, nucleoli disappear |
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Definition
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Term
chromosomes align in middle of cell |
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Definition
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Term
centromere of each chromatid pari splits and chromatids separate and got to each end of cell |
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Definition
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Term
nuclei enlarge, chromosomes uncoil, chromatin reappears |
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Definition
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Term
abnormal "overgrowth" of cells |
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Definition
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Term
remains in one place, not generally life threatening |
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Definition
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Term
cells spread or metastasis forming cancer |
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Definition
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Term
modified genes that cause cells to grow uncontrollably |
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Definition
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where cells become specialized |
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Definition
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Term
collections of specialized cells that perform a specific function |
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Definition
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Term
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Definition
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Term
What are the four basic types of tissues? |
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Definition
epithelial, connective, muscle, neural or nerve |
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