Structure Of A Cell Flashcards

1
Q

Cell

A

A membrane bound structure that is the basic unit of life

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2
Q

Cell Membrane

A

The phospholipid bilayer that forms the outer boundary of the cell

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3
Q

Cell Theory

A

This says that 1. all living things are made of cells, 2. cells are the basic unit of structure and function and 3. cells only come from other cells.

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4
Q

Cell wall

A

A rigid structure that surrounds the cells of plants and most bacteria

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5
Q

Cytoplasm

A

The region of the cell between the cell membrane and the nucleus

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6
Q

Cytoskeleton

A

A network of long protein strands in the cytosol that helps support the cell

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7
Q

Endoplasmic Reticulum

A

An internal membrane system in which components of cell membrane and some proteins are constructed

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8
Q

Eukaryote

A

A cell that contains a nucleus and membrane bound organelles

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9
Q

flagella

A

Whiplike tails found in one-celled organisms to aid in movement

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10
Q

Golgi apparatus

A

A system of membranes that modifies and packages proteins for export by the cell

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11
Q

Lysosomes

A

An organelle containing digestive enzymes. Break down waste products of cells

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12
Q

Mitochondria

A

Powerhouse of the cell, produces energy (ATP) from oxygen and sugar (Cellular respiration)

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13
Q

Nuclear envelope

A

A double membrane that surrounds the nucleus in the cell

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14
Q

Nucleolus

A

The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus

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15
Q

Nucleus

A

The organelle that contains the DNA and controls the processes of the cell

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16
Q

Organelle

A

One of several bodies with a specialized function that is suspended in the cytosol of the cell

17
Q

pili

A

Allow prokaryotes to attach to surfaces and to each other and allows them to transfer DNA

18
Q

prokaryote

A

A unicellular organism that lacks a nucleus and membrane bound organelles

19
Q

Ribosome

A

An organelle that functions in the synthesis of proteins (both in prokaryotes and eukaryotes)

20
Q

Rough ER

A

That portion of the endoplasmic reticulum studded with ribosomes

21
Q

Smooth ER

A

That portion of the endoplasmic reticulum that is free of ribosomes

22
Q

Vacuole

A

Stores water and nutrients for the cell; very large in plant cells

23
Q

vesicle

A

A membrane bound sac that contains materials involved in transport of the cell

24
Q

What are the similarities between prokaryotes and eukaryotes?

A

Have DNA, ribosomes, cell membrane, cytoplasm

25
Chloroplast
Found in plant cells that make glucose by traping light energy and converts it to chemical energy in a process called photosynthesis.