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anatomy and physiology i > Cells Structure and Function > Flashcards

Cells Structure and Function Flashcards

1
Q

Four Main Functions of the Cell

A

Metabolism and energy use
Synthesis of molecules
Communication
Reproduction and inheritance

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2
Q

Cytoplasm

A

Fluid that surrounds the organelles

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3
Q

Organelles

A

specialized structures that preform certain functions

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4
Q

Nucleus

A

near center of cell
contains genetic material and nucleolus
RNA synthesis

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5
Q

ribosomes

A

site of protein synthesis

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6
Q

rough er

A

has ribosomes attached
site of protein synthesis

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7
Q

smooth er

A

site if lipid synthesis
detoxification

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8
Q

golgi apparatus

A

modifies protein structure
packaging and shipping in secretory vesicles

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9
Q

vesicles

A

contains produced material
secreted by exocytosis

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10
Q

lysosomes

A

contains enzymes that digest material taken into cell

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11
Q

mitochondria

A

aerobic respiration
ATP synthesis

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12
Q

microtubule

A

cytoskeleton protein
largest diameter
assists in cell division
cilia and flagella

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13
Q

centrioles

A

facilitate movement of chromosomes in cell division

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14
Q

cilia

A

move substances over surfaces of cells

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15
Q

flagella

A

propel sperm cells

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16
Q

microvilli

A

increase surface area of cells

17
Q

nuclear envelop

A

outer and inner membranes that bind nucleus

18
Q

nuclear pores

A

allows material to pass into or out of nucleus

19
Q

chromosomes

A

23 pairs of tightly coiled DNA

20
Q

chromatin

A

loosely coiled DNA

21
Q

peroxisomes

A

break down fatty acids, amino acids, and hydrogen peroxide (which is a byproduct of breakdown of fatty and amino acids)

22
Q

cytoskeleton

A

cell’s framework
made of proteins

23
Q

intermediate filaments

A

medium diameter
maintain cell shape
kertain

24
Q

microfilaments

A

smallest diameter
cell movement
muscle contraction

anatomy and physiology i (11 decks)

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