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Science > Huge Science Test > Flashcards

Huge Science Test Flashcards

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Biology 101 flashcards
0
Q

What’s in many scientists think during the 1500s

A

That spontaneous generation was true

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1
Q

What’s the difference between unicellular and multicellular organisms

A

Multicellular has many cells unicellular has one cell

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2
Q

Why was Francisco ready important and what did he believe and try to prove

A

Trying to prove that spontaneous generation is not true he did this by putting meat in two jars, the one not covered got flies but the one covered didn’t have any flies in there

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3
Q

What are the needs of living things

A

Energy water living space and stable internal conditions

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4
Q

What’s homeostasis

A

The maintenance of stable internal conditions despite changes in surroundings

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5
Q

What’s the difference between magnification and resolution

A

Magnification makes object figure resolution makes the object clear

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6
Q

What are the rules of dealing with microscopes

A

Hold them a microscope with two hands and don’t touch the lens

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7
Q

What Happened in 1590

A

Microscopes were invented

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8
Q

Who is Robert Hooke

A

One of the first people to study cells he studied a cork and found tiny cells and it

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9
Q

Who is Anton Van Leeuwenhoek

A

He looked in a pond and found unicellular organisms and he made his own lenses

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10
Q

Who is Matthias Scleiden

A

Concluded that all plants are made of cells

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11
Q

Who is Rudolph Virchow

A

Propose that new cells are formed from existing cells

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12
Q

What is the cell theory

A

All living things are composed of cells cells are the basic unit of structure and function in living things all cells are produced from other cells

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13
Q

What is chromatin

A

Strains that contain genetic material the instructions that direct cells activities

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14
Q

What is the difference between the nucleolus in the nuclear membrane

A

The nucleolus protects the inside of the cell in the nuclear membrane protects the outside of the cell

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15
Q

Where are ribosomes made

A

In the nucleous

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16
Q

What is chloroplast

A

Organelles capture energy from sunlight and use it to produce food

17
Q

What is the cell wall

A

It protects the cell

18
Q

What is a vacuole

A

Stores water food waste products and other materials

19
Q

What is the cytoplasm

A

The area between the cell membrane and the nucleus

20
Q

What is ribosome

A

Produces protein

21
Q

No some facts about the bacteria cells

A

They are unicellular and have a cell wall and membrane and they also have no nucleus

22
Q

What is the flagella

A

It acts as a motor to the bacteria

23
Q

Difference between organic and inorganic compounds

A

Organic compounds contain carbon inorganic compounds do not contain carbon

24
Q

What is protein

A

Proteins are large organic molecules made up of carbon hydrogen oxygen nitrogen and sometimes sulfur

25
Q

What is carbohydrates

A

Carbohydrates are made up of carbon hydrogen oxygen

26
Q

What is lipids

A

Let beds are made up of carbon hydrogen oxygen and lipids is where they store energy

27
Q

What is nucleic acid made up of

A

Carbon oxygen hydrogen nitrogen and phosphorus and DNA which is genetic material

28
Q

What is diffusion

A

Molecules moving from an area of high concentration to an area of low concentration

29
Q

What is osmosis

A

Diffusion of water molecules through a selectively permeable membrane

30
Q

Active transport

A

Movement of materials through a cell membrane using energy

31
Q

What are the two stages of photosynthesis

A

The first stage is capturing the suns energy the second stage is making sugar or glucose

32
Q

What is Pigments

A

Green colored chemical compound that absorbs light

33
Q

Chlorophyll

A

Main pigment found in the chloroplasts of plants

34
Q

Why is the stomata important

A

Small openings at the bottom of leaves which lets in carbon dioxide

35
Q

What is the product of photosynthesis

A

Glucose and oxygen

36
Q

What are the raw materials used for cellular respiration

A

Glucose and oxygen

37
Q

What are the two stages of cellular respiration

A

First stage takes place in the cytoplasm where glucose molecules are broken down into smaller ones the second stage takes place in the mitochondria the molecules broken into even smaller one

38
Q

How are photosynthesis and respiration related

A

Opposite processes, for photosynthesis carbon dioxide and water produce sugars and oxygen, (respiration) glucose and waterare used to produce carbon dioxide and water

39
Q

What is the point of fermentation

A

Fermentation provides energy to the cell without using oxygen

40
Q

Where does fermentation begin

A

In the cytoplasm

Science (3 decks)

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