cells and organelles Flashcards

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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

A

Equal

24
Q

Solute

A

Particles dissolved in the solution

25
Q

Diffusion

A

Lipid bilayer
High to low
No energy
Passive
Small molecules

26
Q

Osmosis

A

Lipid bilayer
High to low
No energy
Passive
Water

27
Q

Facilitated Diffusion

A

Protein Channel
High to low
No energy
Passive
Large molecules

28
Q

Active transport

A

Protein channels
Low to high
Energy
Active
Small ions

29
Q

Vesicular Transport

A

Does not pass through
Low to high
Energy
Active
Large ions

30
Q

2 organelles that have their own DNA

A

Mitochondria, chloroplasts

31
Q

5 differences between plant and animal cells

A
  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
Q

Prokaryote

A

Small
Simple
No nucleus
Single-celled, blue-green algae, bacteria

33
Q

Eukaryote

A

Large
Complex
TRUE nucleus
Muscle, stem, and skin cells

34
Q

Van Leeuwenhoek

A

First to see living things in pond water; using a microscope

35
Q

Hooke

A

Found dead cells in cork; was the first to use “cells”

36
Q

Cell Theory

A
  1. Cells come from other cells
  2. Basic units of life
  3. All living things are made of cells
37
Q

2 things cells have in common

A
  1. DNA
  2. Cell membrane
38
Q

Organelle

A

Specific job within the cell