Cell Organelles Flashcards

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1
Q

Nonmembranous organelles

A

Not completely enclosed by membranes and all components are in direct contact with cytosol

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2
Q

Membranous organelles

A

Isolated from cytosol by phospholipid membranes

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3
Q

Cytoskeleton

A

Strength and support, movement of cell structures and materials via a “sidewalk system”

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4
Q

Microvilli

A

Small, fingerlike extensions of the exposed plasma membrane of an epithelial cell. Meant to increase surface area for absorbing materials.

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5
Q

Centriole

A

Essential for movement of chromosomes in cell division, organization, and microtubules in the cytoskeleton.

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6
Q

Flagella

A

Tail of the cell to move the cell. Only cell in humans is sperm.

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7
Q

Cilium

A

Small, hair like structures that help in movement of a particle near the membranes outer surface

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8
Q

Ribosomes

A

Responsible for Protein synthesis.

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9
Q

Proteasomes

A

Breakdown and recycling of intracellular proteins

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10
Q

Smooth Endoplasmic reticulum

A

Lipid synthesis and steroid protein

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11
Q

The Golgi Apparatus

A

Storage, modification, and packaging of proteins/ makes vesicles

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12
Q

Lysosomes

A

Intercellular removal of damaged organelles or pathogens.

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13
Q

Peroxisomes

A

Absorb and break down hydrogen peroxide.

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14
Q

Mitochondria

A

Produces energy

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15
Q

Nucleus

A

Contains DNA, RNA, proteins, control center of cell.

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16
Q

Rough Endoplasmic Reticulum

A

Makes proteins due to ribosomes on the channels