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Biology > Life And Cell Itro Quiz > Flashcards

Life And Cell Itro Quiz Flashcards

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0
Q

Anton van Leeuwenhoek

A

first to observe micro organisms

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1
Q

Robert Hooke

A

first to observe “small chambers” in cord and call them cells

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2
Q

Matthias Schleiden

A

discovered that plants are made of cells

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3
Q

Theodor Schwann

A

discovered that animals are made of cells

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4
Q

The Cell Theory

A

All life is made of cells
A cell is a basic unit of life
All cells come from cells

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5
Q

Compound Light Microscope

A

Common lab microscope
3000x light 2D
sees living cells

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6
Q

Stereomicroscope

A

dissecting microscope
500x light 3D
magnifies surfaces of living things

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7
Q

SEM

A

scanning EM
100,00x electrons 3D
surfaces of cells, kills

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8
Q

TEM

A

Transmission EM
300,000x electrons 2D
interior of cells, kills

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9
Q

Eukaryote

A

larger & more complex, have nucleus, have many types of organelles, 2 types
animals and plant

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10
Q

Prokaryote

A

Smaller & simpler, no nucleus, or organelles, bacteria

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11
Q

limit of resolution

A

the point at which the ability to distinguish between objects blurs/is lost. Problem with light microscopes

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12
Q

Microtome

A

a tool used to slice materials thin for use with microscopes

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13
Q

Centrifuge

A

a tool used to separate materials spinning them

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14
Q

cell culturing

A

growing cells outside of the body in a Petri dish

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15
Q

Homeostasis

A

ability to maintain constant internal conditions

like blood, pH, body temperature

16
Q

HOGS EAR DEW

A

Characteristics of life acronym

17
Q

Development

A

progressive changes in size, shape, and function during the life of an organism

18
Q

Stimulus response

A

reacting to something in the environment

sound, light, touch

19
Q

Asexual reproduction

A

process of making offspring where one organism splits into two

20
Q

Sexual reproduction

A

process of making offspring requiring two organisms to mate

21
Q

Unicellular

A

a single celled life form

ex: bacteria

22
Q

Consumer

A

organism that obtains food by eating producers or other life forms

23
Q

Producer

A

an organism that makes its own food like plants using photosynthesis

24
Q

Adaptation

A

a trait that allows an organism to better survive in its environment

25
Q

Excretion

A

process of removing waste

26
Q

Cell

A

the basic unit of life, first identified by Robert Hooke

27
Q

Rudolf Virchow

A

all cells come from cells

28
Q

Micrometer

A

one thousandths of a millimeter

a blood cell is 10 micrometers in size

Biology (13 decks)

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