Cellular Biology Flashcards

1
Q

cell components that function as protection, structural support, and control substances in and out of the cell (present in all organisms)

A

Cell Wall; Plasma

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2
Q

cell component that controls activities of the cell (generally present in eukaryotes)

A

Nucleus

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3
Q

cell component that participates in assembling the ribosomes; composed of RNA and proteins; absent in prokaryotes

A

Nucleolus

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4
Q

cell component in charge of encoding hereditary information

A

DNA

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5
Q

cell component in charge of protein synthesis

A

Ribosome

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6
Q

cell component in charge of protein synthesis; lipid factory (present in eukarya only)

A

Endoplasmic Reticulum

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7
Q

cell component in charge of the final modification of proteins, sorting, synthesis, and transport and packaging (present in eukarya only)

A

Golgi Bodies

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8
Q

cell component in charge of intracellular digestion (present in eukarya only)

A

Lysosomes

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9
Q

cell component in charge of ATP formation; a powerhouse of the cell (present in eukarya only)

A

Mitochondrion

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10
Q

cell component in charge of light energy conversion; present in some groups of prokarya and eukarya

A

Photosynthetic Pigment

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11
Q

cell component in charge of photosynthesis, starch storage; most present in plants

A

Chloroplast

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12
Q

cell component that increases cell surface area; acts as storage, mostly present in plants

A

Central Vacuole

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13
Q

cell component in charge of cell shape, cell motion, and internal organization (present in most eukaryotic cells)

A

Cytoskeleton

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14
Q

fluid inside the cell

A

Cytosol

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15
Q

protects cell from outer environment and determines what can leave and enter the cell

A

Cell Membrane

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16
Q

main building block of cell membrane

A

phospholipids

17
Q

___ molecules can pass through the semi-permeable cell membrane

A

nonpolar

18
Q

maintains the fluidity of cell membrane

A

cholesterol

19
Q

form of protein that crosses the entire membrane

A

integral/transmembrane protein

20
Q

form of protein that sits on the membrane

A

peripheral proteins