Chapter 2 - Cells Flashcards

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1
Q
Basic unit of life
Synthesis of molecules
Communication
Cell metabolism and energy release
Reproduction and inheritance (DNA)
A

Cell functions

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2
Q

Organelles

A

Specialized structures in cells that perform specific functions

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3
Q

Cytoplasm

A

Jelly like substance that holds organelles

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4
Q

Cell membrane

A

The outermost component of the cell that encloses the cytoplasm and serves as a selective barrier

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5
Q

Nucleus

A

Contains the genetic material of cell (DNA)

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6
Q

Chromosome

A

Made of DNA and proteins, and is part of genetic makeup

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7
Q

Chromatin

A

Loosely coiled chromosomes

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8
Q

Nucleolus

A

Produces ribosomes inside nucleus

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9
Q

Ribosome

A

Produces proteins inside the rough endoplasmic reticulum

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10
Q

Rough endoplasmic reticulum

A

the site of protein synthesis, containing ribosomes

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11
Q

Smooth endoplasmic reticulum

A

Site of lipid synthesis, containing no ribosomes

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12
Q

Golgi apparatus

A

Collects, sorts, packages, and distributes proteins and lipids

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13
Q

Secretory vesicle

A

Distributes materials out of cell

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14
Q

Lysosomes

A

Enzymes that digest foreign material, dispose of cell waste

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15
Q

Mitochondria

A

Produces ATP

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16
Q

Cilia

A

Move materials across cells surface

17
Q

Flagella

A

Moves cell, ex. Sperm

18
Q

Microvilli

A

Increase surface area

19
Q

Cytoskeleton

A

Cells framework that provides support, holds organelles in place, and enables cell to shift shape

20
Q

Microtubules

A

Largest type of cytoskeleton that provides structural support and forms cilia/flagella

21
Q

Intermediate filaments

A

Medium diameter, maintains cell shape

22
Q

Microfilaments

A

Smallest diameter, involved in cell movement

23
Q

DNA

A

Double helix in nucleus composed of nucleotides and containing 5 carbon sugar

24
Q

Mitosis

A

Cell division that occurs in all cells except sex cells, forming 2 daughter cells