Parts of the cell

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created 1 year ago by abmusser
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1

Flagella

Protein strands wound like rope and anchored in the cytoplasm used to motility

2

Pili (fimbriae)

Fine projections that can attach to other bacteria and exchange DNA (conjugation)

3

Capsule

Gelatinous coat over the cell wall that protects the cell

4

Cell wall

Outer layer of the cell that gives the cells strength and structure

5

Cell membrane

Essential highly selective barrier for nutrients and waste

6

Lamellae

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Folded layers that contains light gathering pigments for photosynthesis

7

Mesosomes

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Invaginations in the cell membrane that help with bacterial fission by pulling chromosomes apart

8

Granular inclusions

Storage site for nutrients and fats

9

Nucleiod

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Region of the prokaryotic cell where DNA is stored

10

Nucleus

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Contains genetic material

11

Nuclear membrane

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This bilayer membrane is made of lipids, and encases the genetic material in eukaryotic cells. The nuclear membrane is made up of a double lipid bilayer

12

Chromosomes

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Carry the genes and are made up of chromatin

13

Chromatin

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DNA, RNA, and Protein

14

Nucleolus

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Like chromatin but very rich in RNA. This is the site of rRNA synthesis

15

Endoplasmic reticulum

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Network of cytoplasmic membranes. Rough has ribosomes and forms cisternae. Smooth forms tubules.

Involved in intracellular storage and transport as well as protein synthesis

16

Golgi apparatus

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Stack of flattened cisternae surrounded by vesicles. Processes proteins and sends them out.

17

Two types of chromatin

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Heterochromatin

- Densely packed

- Stain darker

Euchromatin

- Loosely packed

- Stain lighter

18

Lysosomes

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Membrane bound sac originating in the golgi that contains digestive enzymes that digest things that it eats up.

19

Peroxisomes

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Similar to lysosomes they contain enzymes that produce and degrade peroxides

20

Two types of peroxisomes

- Catalase: degrades H2O2 into H2 + O2. Also contains enzymes that create peroxides

- Glyoxysomes: contain enzymes of glyoxylate cycle and convert fats and oils to sugar.

21

Vacuoles

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A membrane bound space that contains water and stores nutrients

22

Plastids

Bounded by 2 membranes a little thinner than the cell membrane

23

2 types of plastids

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- Leucoplasts: Colorless, store and metabolize starches and oils

- Chloroplasts: Contain plant pigments, green in color. site of photosynthesis. contains DNA and ribosomes

24

Mitochondria

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Double membrane bound organelle responsible fro making ATP. inner membrane folded into cristae. Contains ribosomes and DNA.

25

What is an enzyme found in chloroplasts and mitochondria ?

ATP Synthase

26

Cytoplasmic filaments

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Microfilaments found in cleavage furrows pseudopods. Involved in motion.

27

Microtubules

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Hollow cylinders that are part of the cytoskeleton which maintain cell shape and are the building blocks for basal bodies, cilia, and flagella

28

Centrioles and basal bodies

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located near the nucleus found in pairs at right angles.

29

What is the pattern of centrioles and basal bodies?

9 + 0

30

Cilia and flagella are made of __________.

Microtubules

31

What is the pattern of cilia and flagella?

9 + 2

32

Intermediate filaments are made of __________.

Keratin