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BIO 120 > Chapter 6 > Flashcards

Chapter 6 Flashcards

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Biology 101 flashcards
1
Q

What is the difference between light end electron microscopy?

A

Light microscopy are able to see live things why electron microscopy you cannot see live things

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2
Q

How big are cells?

A

50-100 microns

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3
Q

What are the structural differences between prokaryotic and eukaryotic cells?

A

Prokaryotic cells do not have membrane bound organelles and a nucleus but a nucleoid instead, eukaryotic cells have membranes that compartmentalize their functions

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4
Q

Area in the cells where DNA is stored

A

Nucleus

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5
Q

Used for protein synthesis

A

Ribosomes

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6
Q

Functions as a storage and breakdown of waste products in the cell

A

Vacuole

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7
Q

Organelle active in synthesis, modification, sorting, and secretion of cell products

A

Golgi body

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8
Q

Area where cellular respiration occurs

A

Mitochondria

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9
Q

Reinforces the cell’s shape and movement

A

Cytoskeleton

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10
Q

Organelle with specialized metabolic function

A

Peroxisome

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11
Q

Digestive molecule where macromolecules are hydrolyzed

A

Lysosome

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12
Q

Active in membrane synthesis and metabolic processes

A

Endoplasmic reticulum

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13
Q

What makes up the endomembrane system?

A

Nuclear envelope, ER, vesicles, golgi body, lysosome, vacuole

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14
Q

Performs protein traffic and metabolic functions

A

Endomembrane system

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15
Q

Locomotor appendages of cells

A

Microtubules

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16
Q

Used for muscle contraction, cytoplasmic streaming

A

Intermediate filaments

17
Q

Tension bearing, anchors organelles

A

Microfilaments

18
Q

What are microtubules made of?

A

Tubulin

19
Q

What are microfilaments made of?

A

Actin

20
Q

What are intermediate filaments made of?

A

Keratin

21
Q

Microtubule organizing center

A

Centrosome

22
Q

Structure in the centrosome that is composed of a cylinder of microtubules

A

Centriole

23
Q

Meshwork of surrounding animal cells, consists of glycoproteins, polysaccharides, and proteoglycans synthesized and secreted by cells

A

ECM

24
Q

What is the role of the extracellular matrix? (ECM)

A

Influences the cell’s behavior and genes

25
Q

What are plant cell walls made of?

A

Cellulose

26
Q

What is the difference between plant cell walls and bacterial cell walls?

A

Plant cell walls are made up of cellulose while bacterial cell walls are made of peptidoglycan

27
Q

Prevents the material leakage through the space between cells

A

Tight junction

28
Q

Junction that functions as a rivet, fastening cells together

A

Desmosome

29
Q

Junction that allows the passage of material between cells

A

Gap junction

30
Q

Where are cell junctions common in?

A

Epithelial tissues

31
Q

Theory that a prokaryotic cell engulfed by a host cell to make chloroplasts and mitochondria.

A

Endosymbiont theory

BIO 120 (16 decks)

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