Chapter 7 sec 1 & 2 Vocab Flashcards Preview

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Flashcards in Chapter 7 sec 1 & 2 Vocab Deck (13)
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0
Q

can magnify up to 1500 times, series of lenses to magnify objects in steps

A

Compound Light Microscope

1
Q

basic units of living organisms -

A

cells

2
Q

made up of three ideas:

  1. all organisms are composed of one or more cells
  2. the cell is the basic unit of structure and organization of organisms
  3. all cells come from preexisting cells
A

Cell Theory

3
Q

uses a beam of electrons instead of light to magnify structures up to 500,000 times their actual size -

A

electron microscope

4
Q

small, specialized structures

A

organelles

5
Q

organisms that do not have membrane bound organelles -

A

prokaryotes

6
Q

multicellular organisms that are made up of eukaryotic cells -

A

eukaryotes

7
Q

the central membranebound ogranelle that manages or controls cellular functions -

A

nucleous

8
Q

flexible boundary between the cell and its environment

A

plasma membrane

9
Q

process in which a membrane allows some molecules to pass through while keeping others out

A

selective permeability

10
Q

has a glycerol backbone, two fatty acid chains, and a phosphate group

A

phospholipid

11
Q

the model of the plasma membrane

A

fluid mosaic model

12
Q

move needed substances or waste materials through the plasma membrane

A

transport proteins