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Biology > Unit 5-6 Test > Flashcards

Unit 5-6 Test Flashcards

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1
Q

Who discovers microorganism?

A

Leuevenhook

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2
Q

Who concluded all plants were made of cells?

A

Schleide

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3
Q

Who concluded that all animals were made out of cells?

A

Schwann

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4
Q

Who stated hat new cells could only be produced front the divisor if existing cells?

A

Virchow

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5
Q

What is the cell theory?

A

All living things are composed of cells

Cells are the basic unit of structure and function of living things

New cells are produced from prexsisting cells

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6
Q

What are some important characteristics of cells?

A

All have a cell membrane

Some pint in their lives they contain DNA

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7
Q

What are prokaryotes?

A

All single called

No nucleus for DNA

They are simple

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8
Q

What are plasmids?

A

A structure that can replicate

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9
Q

What are eukaryotes?

A

Mostly multicellular some single

Have nucleus

Complex

Membrane bound organelles

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10
Q

How are prokaryotes and eukaryotes similar?

A

All have a cell membrane

All have DNA

All have ribosomes

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11
Q

Who named cells?

A

Robert Hooke

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12
Q

What is the job of the nucleus?

A

The boss/ CEO of the cell

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13
Q

What is the use of cytoplasm?

A

“Work environment”

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14
Q

What roll do the organelles play?

A

The workers

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15
Q

What holds genetic material l?

A

Nucleus

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16
Q

Where do ribosomes come from?

A

The nucleus

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17
Q

What do robosomes do?

A

Assemble proteins

18
Q

What does ER stand for?

A

Endoplasmic reticulum

19
Q

What does the ER do

A

Assembles lipid proteins and other materials

20
Q

What differences to the rough and smooth ER have?

A

Rough ER has ribosomes attached

Smooth ER does not

21
Q

What is the Golgi apparatus l?

A

Post office

Modifies,sorts, and packages proteins

22
Q

What does the lysosome do?

A

Garbage man

Digest or breaks down lipids,carbs,proteins, even organelle using enzymes

Only found on animal cells

23
Q

What are vacuoles and what do they do?

A

The storage facility

Hold water,salt,proteins, and carbs

24
Q

What are mitochondrial and what do they do?

A

The power plant

Converts chemical energy from food (glucose- 6ch12o6) into usable energy (ATP)

25
Q

What are chloroplasts and what do they do ?

A

The solar panels

Capture light energy from the sun and convert into chemical energy (photosynthesis)

26
Q

What is the cytoskeleton and what does it do?

A

Support beams

Maintain cell shape

27
Q

What is the cell membrane and what does it do?

A

Broader control

Controls what enters and leaves the cell

Made up of proteins and lipids

28
Q

What is the cell wall and what does it do l?

A

The cell she’ll

Provides support and protection

Only implants

29
Q

What is diffusion?

A

When the solute moves from high to low concentration

30
Q

What is facilitated diffusion?

A

A channel issued with passive transport of it goes straight through the membrane

31
Q

What is osmosi

A

The diffusion of water

32
Q

What are concentration levels?

A

Hyper tonic
Isotonic
Hypotonic

33
Q

What is a hypertonic solution?

A

High levels of dissolved solute

34
Q

What is an isotonic solution?

A

Equal levels of solute in both solution

35
Q

What is a hypotonic solution?

A

Low levels of dissolved solute

36
Q

What is osmotic pressure

A

Maintain so that cells don’t explode or shrivel

37
Q

What is active transport?

A

Requires energy

Pumps molecules against their concentration gradient

38
Q

What is endocytosis?

A

Unfolding if the membrane to bring things inside the cell

39
Q

What is exocytosis?

A

Out folding of the membrane to remove objects from cell

40
Q

How do cells move?

A

Flagella and cilia

Biology (11 decks)

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