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Chapter 2 Anatomy and Physiology

Terms in this set (35)

Which part of the cytoskeleton is made of actin?
microfilamints
Which part of the cytoskeleton is responsible for creating the flagella in sperm?
microtubule
True or False: ATP is created in the outer membrane of mitochondria.
False
Where are peroxisomes found?
liver and kidney
what is the largest element of the cytoskeleton?
microtubules
what cell element is flexible and bendable?
microtubules
how do peroxisomes break down toxins?
create and break down hydrogen peroxide
what organelle makes proteins?
ribosomes
where do you find/store ribosomes?
Rough ER
Where does protein synthesis occur?
Rough ER
where does lipid metabolism occur?
smooth ER
What Endoplasmic reticulum has nothing to do with lipids ?
rough ER
does the golgi aparatus have to do with DNA?
no
where does the golgi send stuff to?
plasma membrane, extra cellular space, lysosome
What do lysosomes do?
digest foreign objects(has digestive enzymes)
What is the plasma membrane made of?
lipid bi-layer
what way do lipids face?
towards each other (tails touch)
lipid tails
hydrophobic
lipid heads
hydrophilic
how are hormones secreted?
by exocytosis
role of golgi apparatus
every time something is set out in an enclosed vescile
Roles of mitochondria
produce ATP
what organelle has DNA ?
mitochondria
Can mitochondria self replicate?
yes
Function of cell membrane
Partially permeable membrane which controls substances that move in and out of the cell
what structure performs contractive forces?
microfilaments
What neutralizes free acids?
peroxisomes
what doesn't pass through the nuclear envelope pores ?
chromatin
function of nuclear envelope
separate cytoplasm from nucleoplasm
where does transcription occur?
extended chromatin
What phase of interphase is DNA replicated?
S
what are the phases of interphase?
G1, S, G2
when is there a full seperation of cells?
cytokinesis
what are the microtubules called that attach to centrisomes?
spindle fibers
what occurs during anaphase?
Spindle fibers pull chromosomes to opposite poles
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