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ch7 test > plant and animal cells > Flashcards

plant and animal cells Flashcards

1
Q

what are the channels and pumps that move material across the cell membrane

A

proteins

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2
Q

who was the first person to identify and see cells?

A

Robert Hooke

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3
Q

what is an organ system

A

a group of organs

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4
Q

what does cell specialization mean?

A

the cell of an organism are uniquely suited to preform a specific function.

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5
Q

name the four types of tissue

A

muscles
epithelial
nervous
connective

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6
Q

what is the main function of the cell membrane

A

regulates what enters and leaves the cell

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7
Q

name the three principles of the cell theory

A
  1. cells are the basic unit of life
  2. all living things are made up of cells
  3. all cells come from existing cells
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8
Q

which organ system does the stomach belong to?

A

digestive system

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9
Q

name three functions of the cytoskeleton

A
  1. help cell main shape
  2. help cell move
  3. help organelles within the cell move
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10
Q

what is diffusion?

A

the movement of molecules from an area UP and to an area of DOWN

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11
Q

which means of particle transport requires input of energy from the cell?

A

Active transport

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12
Q

___________ converts food into compound that the cells uses for the growth, develope, and movement

A

mitochondria

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13
Q

what is the function of the lysosome

A

break down food into particles the cell can use

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14
Q

which organelle makes protein using coded instructions that come from the nucleus?

A

ribosomes

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15
Q

what are cilia and flagella made of?

A

microtubules

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16
Q

what 3 groups of animals does the cell theory apply to?

A

bacteria, plants and animals, and multicellular organism

17
Q

describe the molecule movement when the concentration of those molecules is the same for both sides of a membrane

A

molecules move in both directions of the membrane

18
Q
A
19
Q

diffusion occurs because molecules constantly move and collide with each other (true or false)

A

TRUE

20
Q

how can you summarize the work of Schlieden and Schwann

A

all plants and animals are made of cells

21
Q

what is the difference between rough and smooth ER?

A

ribosomes are attached to the surface of rough ER

22
Q

give an example of a prokaryote

A

bacteria

23
Q

3 substances that can pass through the cell wall

A

H2O (water) CO2 (carbon dioxide) and oxygen (O2)

24
Q

what would happen to the blood red cell if it were placed in pure water?

A

get large aandd burst/ swell.

25
Q

where does the assembly of ribosomes begin?

A

nucleolus

26
Q

what is the difference between a prokaryote and eukaryote

A

prokaryote - no nucleus
eukaryote - has nucleus

27
Q

what is osmosis

A

the diffusion of water across a selectively permeable membrane

28
Q

which 2 organelles help provide energy for cells?

A

mitochondria and chloroplast

29
Q

what are organelles?

A

specialized structures that perform important cellular functions

30
Q

what is tissue?

A

a group of cells that performs a similar function

31
Q

which organelles is found in plant cells but NOT animals cells

A

chloroplasts

32
Q

an animal cell that is surrounded by fresh water will _____ because the osmotic pressure causes water to move _____ the cell

A

burst, into

33
Q

which 2 structures carry out cell movement?

A

microtubules and microfilaments

34
Q

what are the two main functions of the cell wall?

A

support and protection

35
Q

during cell division, what does chromatin condense into

A

chromomsoures

36
Q

name 3 functions of the nucleus

A
  1. stores DNA
  2. controls most of the cell’s processes
  3. contains the information needed to make proteins.
37
Q

what is the main purpose of a cytoskeleton?

A

to move organelles within the cell

38
Q

in the golgi apparatus, enzymes attach ___________ and ______ protein

A

carbohydrates, lipids

39
Q
A

ch7 test (2 decks)

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