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AP Biology > Organelles > Flashcards

Organelles Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Channels for exchanging materials

A

Gap junctions (cell junction)

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2
Q

Prevents fluid movement between cells

A

Tight junctions (cell junction)

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3
Q

Support and protection

A

Cell wall

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4
Q

Controls the cytoskeleton for reproduction

A

Centrioles

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5
Q

Area of cytoskeleton that assists in reproduction

A

Centrosomes

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6
Q

Site of photosynthesis

A

Chloroplasts (plastids)

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7
Q

Propel a cell or move fluid

A

Cilia

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8
Q

Water area of a cell with dissolved ions and molecules

A

Cytoplasm/ cytosol

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9
Q

Hold cells together into tissues

A

Desmosomes (cell junction)

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10
Q

Anchor cell structures

A

Intermediate filaments (cytoskeleton)

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11
Q

Stabilize shape

A

Microfilaments (cytoskeleton)

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12
Q

Rigid structure and moves organelles

A

Microtubules (Cytoskeleton)

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13
Q

Hereditary information

A

DNA (chromatin)

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14
Q

Hold cells together and allows for the exchange of materials between cells

A

Extracellular matrix

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15
Q

Long tails that ouch or pull cells

A

Flagella

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16
Q

Processes and packages proteins (sort proteins), prepares polysaccharides for cell wall, gets materials out of the cell

A

Golgi apparatus/ Golgi body

17
Q

Digestion; breakdown of macromolecules; breakdown of organelles and extracellular components, need these to get into the cell

A

Lysosome

18
Q

Breakdown of energy- rich molecules into chemical energy

A

Mitochondrion

19
Q

2 lipid bilayers that cover the nucleus

A

Nuclear envelope

20
Q

Opening in envelope that allows materials to move through, ex: RNA and ribosomes

A

Nuclear pore

21
Q

Assembles ribosomes

A

Nucleolus

22
Q

The site of most cellular DNA; holds DNA replication and RNA transcription

A

Nucleus

23
Q

Accumulates toxic byproducts of chemical reactions and breaks them down

A

Peroxisome

24
Q

Enclose and separates; controls exchange of materials

A

Plasma (cell) membrane

25
Q

Allows for exchange of materials between connected cells

A

Plasmodesmata

26
Q

Protein synthesis- mRNA to polypeptide chain

A

Ribosome

27
Q

Chemically modify and folds proteins then if necessary goes to Golgi body

A

Rough endoplasmic reticulum

28
Q

All of lipid and steroid synthesis; detoxification; breaks down glycogen

A

Smooth endoplasmic reticulum

29
Q

Storage of waste, water, and pigments or enzymes

A

Vacuole

30
Q

Move materials between organelles and the plasma membrane

*all movement within a cell must be through this

A

Vesicle

AP Biology (7 decks)

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