Diversity Of Living Things Flashcards

(34 cards)

1
Q

Anaerobic

A

Without oxygen

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2
Q

Aerobic

A

Needs Oxygen

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3
Q

Multicellular

A

Many cells

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4
Q

Unicellular

A

Single cell

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5
Q

Culturing

A

The growth of microorganisms

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6
Q

Microorganisms

A

Very small organism’s

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7
Q

Heterotrophs

A

Eats other organisms

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8
Q

Autotrophs

A

Makes own food

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9
Q

Parasite

A

Lives off other organisms

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10
Q

Pathogen

A

 Disease causing organism

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11
Q

Decomposers

A

Feed on organic matter

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12
Q

Saprotroph

A

Feeds on dead organisms

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13
Q

Conjuagation

A

Is the transfer of genetic material by direct cell to cell contact

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14
Q

Transduction-

A

The process which DNA is accidentally transferred between a bacterium to another by a virus

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15
Q

Transformation

A

Uptake of DNA from environmental that is then incorporated into bacterial DNA

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16
Q

Spherical :.:

17
Q

Rod shaped

18
Q

Spiral or corkscrew shaped

19
Q

Shorts and incomplete spirals are

A

Vabrio or comma bacteria

20
Q

What does refrigeration do to bacteria

A

Slows down the growth of bacteria

21
Q

What does freezing do to bacteria

A

Prevents growth of bacteria

22
Q

Carbon Metabolism

A

Autotrophs, inorganic, carbon and heterotrophs use organic carbon sources

23
Q

Reproduction of bacteria and archea

A

Bacteria and archea reproduce asexually through binary fission

24
Q

Energy metabolism, 
1) phototrophs

A

Their source of energy is the sun photosynthesis involved in bacteria, example Cynabacteria

25
Energy metabolism 2)Lithotrophs
 Source of energy is inorganic compounds, for example metal ions
26
Energy metabolism 3)organtrophs
Source of energy is organic compounds examples are human biomes organic compounds that contain carbon
27
Plasmolyize means?
Shrivel up and die
28
Reproductions steps in bacterial binary fission
1. duplicate chromosomes 2. Pinch the bacteria. 3. Separate into two cells.
29
Steps of reproduction in viral replication
1. Virus Attachment to cell. 2. In inject in their genes. 3. Replication of the virus. 4. Release of viruses.
30
How do spores spread
Air, water or animals
31
Membrane proteins found in cell membrane functions are
-Transportation, -metabolic activity -receives signals -cell recognition
32
What are the functions of the cell membrane?
-Gives a barrier to the environment Allow selective transportation of materials in an out the cell Allows compartments to be created in the cell -Allow to send and receive signals -Provides a site for metabolize and binding
33
What is selective permeability?
Important for keeping the cells, internal environment, can enter, or not, depending on its: size polarity charge
34
Describe a phospholipid
Head Made of phosphorus Hydrophilic Polar Easily dissolves in water Tail Hetero phobic Nonpolar The two fatty acid chain tails Tails touching each other, while their head is on the outside to create a barrier for the cell membrane