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Unit E + F Flashcards

(16 cards)

1
Q

What is the ROUGH ER

A

Network of membranes covered in RIBOSOMES

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2
Q

What are RIBOSOMES

A

Small spheres composed of RNA & PROTEINS

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3
Q

Describe the RELATIONSHIP between the ROUGH ER and RIBOSOMES

A

RIBOSOMES on the ROUGH ER make PROTEINS and the ROUGH ER MODIFIES and TRANSPORTS them

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4
Q

Why is the CELL MEMBRANE SELECTIVELY PERMEABLE

A

Because it controls what ENTERS and EXITS the cell

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5
Q

What does the FLUID-MOSAIC MODEL showcase

A

The model shows the membrane is flexible, allowing movement and selective function

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6
Q

What is DIFFUSION

A

Movement of MOLECULES from a HIGH to LOW concentration

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7
Q

What is OSMOSIS

A

Diffusion of WATER

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8
Q

What is FACILITATED TRANSPORT

A

A type of DIFFUSION that uses PROTEINS instead of MOLECULES

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9
Q

What is ACTIVE TRANSPORT

A

Movement AGAINST a concentration requiring ATP

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10
Q

What is ENDOCYTOSIS

A

ENDOCYTOSIS is the ENGULFING of another CELL

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11
Q

What is EXOCYTOSIS

A

EXOCYTOSIS is the release of another CELL

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12
Q

What is PHAGOCYTOSIS

A

CELL EATING

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13
Q

What is PINOCYTOSIS

A

CELL DRINKING

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14
Q

What does HYPOTONIC mean

A

When a CELL SWELLS

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15
Q

What does HYPERTONIC mean

A

When a CELL SHRINKS

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16
Q

What does ISOTONIC mean

A

The CELL remains NORMAL