cells and organelles Flashcards

1
Q

PROkaryote

A

NO nucleus or cell membrane

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2
Q

EUkaryote

A

TRUE nucleus and cell membrane

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3
Q

organelle

A

“little organ”, a specific job within a cell

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4
Q

cytoplasm

A

fills and protects the cell; B

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5
Q

nucleolus

A

produce and assemble ribosomes within the cell; B

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6
Q

nucleus

A

cell’s control center, DNA is here; B

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7
Q

nuclear envelope

A

separates the nucleus from the rest of the cell; B

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8
Q

ribosomes

A

makes proteins; B

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9
Q

rough endoplasmic reticulum

A

synthesize proteins, transport things around cells, ribosomes; B

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10
Q

smooth endoplasmic reticulum

A

synthesize lipids, transport things around cells, no ribosomes; B

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11
Q

golgi apparatus

A

packages and ships; B

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12
Q

vacuoles

A

storage; B

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13
Q

mitochondria

A

food molecules break down which convert into energy for the cell’s survival; B

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14
Q

lysosomes

A

break down excess or worn-out cell parts; A

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15
Q

cytoskeleton

A

helps cells maintain shape; B

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16
Q

microfilaments

A

Supports the cell, not hollow, cell movement; B

17
Q

microtubules

A

Shape of the cell, hollow, cell division; B

18
Q

chloroplasts

A

produce energy through photosynthesis; P

19
Q

cell wall

A

provides strength and protection against mechanical stress; P

20
Q

cell membrane

A

regulates the transport of materials entering and exiting the cell; B

21
Q

Hypotonic

A

Excess O2, minimal solute

22
Q

Hypertonic

A

Lack of O2, excess solute

23
Q

Isotonic

24
Q

Solute

A

Particles dissolved in the solution

25
Diffusion
Lipid bilayer High to low No energy Passive Small molecules
26
Osmosis
Lipid bilayer High to low No energy Passive Water
27
Facilitated Diffusion
Protein Channel High to low No energy Passive Large molecules
28
Active transport
Protein channels Low to high Energy Active Small ions
29
Vesicular Transport
Does not pass through Low to high Energy Active Large ions
30
2 organelles that have their own DNA
Mitochondria, chloroplasts
31
5 differences between plant and animal cells
1. Plants have a chloroplast 2. Plants have a cell wall 3. Plants have 1 large vacuole while animals have many small 4. Animals have lysosomes 5. Animal is circular, plant is rectangular
32
Prokaryote
Small Simple No nucleus Single-celled, blue-green algae, bacteria
33
Eukaryote
Large Complex TRUE nucleus Muscle, stem, and skin cells
34
Van Leeuwenhoek
First to see living things in pond water; using a microscope
35
Hooke
Found dead cells in cork; was the first to use "cells"
36
Cell Theory
1. Cells come from other cells 2. Basic units of life 3. All living things are made of cells
37
2 things cells have in common
1. DNA 2. Cell membrane
38
Organelle
Specific job within the cell