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BC Biology 12 > Unit 02-045z-0049-001 > Flashcards

Unit 02-045z-0049-001 Flashcards

Eukaryotic Structures in Animal and Plant Cells

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1
Q

Cell Wall (Plant)

A

Composition:. Contains cellulose fibers

Function: Support and Protection

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2
Q

Plasma membrane

A

Composition: Phospholipid bilayer with embedded proteins

Function:. Defines cell boundary, regulation of molecule passage into and out of cells

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3
Q

Nucleus

A

Composition: Nuclear envelope nucleoplasm, chromatin, and nucleoli

Function: Storage of genetic information, synthesis of DNA and RNA

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4
Q

Ribosome

A

Composition: Protein and RNA in subunits

Function: Protein synthesis

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5
Q

Endoplasmic reticulum (ER)

A

Membranous flattened channels and tubular canals

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6
Q

Rough ER

A

Composition: Studded with ribosomes

Function: Protein synthesis

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7
Q

Smooth ER

A

Composition: Having no ribosomes

Function: Various, lipid synthesis in some cells

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8
Q

Golgi apparatus

A

Composition: Stack of membranous saccules

Function: Processing, packaging, and distribution of proteins and lipids

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9
Q

Vacuole and vesicles

A

Composition: Membranous sacs

Function: Storage of substances

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10
Q

Lysosome

A

Composition: Membranous vesicle containing digestive enzymes

Function: Intracellular digestion

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11
Q

Peroxisome

A

Composition: Membranous vesicle containing specific enzymes

Function: Various metabolic tasks

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12
Q

Mitochondrion

A

Composition: Inner membrane (cristae) bounded by an outer membrane

Function: Cellular respiration

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13
Q

Chloroplast (Plant cells only)

A

Composition: Membranous grana bounded by two membranes

Function: Photosynthesis

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14
Q

Cytoskeleton

A

Composition: Microtubules, intermediate filaments, actin filaments

Function: Shape of cell and movement of its parts

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15
Q

Cilia and flagella

A

Composition: 9 ÷ 2 pattern of microtubules

Function: Movement of cell

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16
Q

Centriole (Animal cells only)

A

Composition: 9 ÷ 0 pattern of microtubules

Function: Formation of basal bodies

BC Biology 12 (1 decks)

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