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26 terms

BIO 105--Ch. 3 Cells, Ch. 4 Tissues

Review key concepts for RCarrero's class.
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cell membrane is composed of...
phospholipids, cholesterol, proteins
cell structures are...
cell membrane, nucleus, cytoplasm, organelles
selectively permeable...
means membrane allows only certain substances to pass through
nucleus contains...
DNA and nucleoli
no nucleus..
red blood cells
nucleolus...
is in nucleus, forms ribosomal RNA
microvilli..
folds in cell membrane
golgi apparatus...
synthesizes carbohydrates, secrets them from cell
lysosomes...
digests worn out cell parts and bacteria
mitochondria..
site of energy (ATP) production
flagella...
long, tail-like, provides movement (motility)
ribosomes...
site of protein synthesis, on the rough ER and in the cytoplasm
7 epithelial tissues are...
simple squamous, stratified squamous, transitional, cuboidal, columnar, ciliated, glandular (glands)
neuron =
nerve cell
7 connective tissues are...
blood, areolar, adipose, fibrous, elastic, bone, cartilage
3 muscle tissues are...
skeletal (voluntary), smooth (involuntary), cardiac
function of epithelial tissues =
cover or line
function of connective tissues =
support; has a liquid or fibrous matrix
matrix =
structure; can be liquid or fiber
function of muscle tissue =
contraction; movement
function of nerve tissue =
generate and transmit electrical impulses
function of membranes =
cover or line surfaces
membranes are...
sheets of tissue that cover or line surfaces and organs
2 epithelial membranes are...
serous and mucous
serous secretions are...
thin
mucous secretions (mucus) are...
thick