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Biology Test > Cells > Flashcards

Cells Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

The process that takes apart cells and separates the major organelles from one another:

A

Cell fractionation

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2
Q

What are the 4 basic features of all cells?

A

Plasma membrane
Cytosol
Chromosomes
Ribosomes

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3
Q

P or E
No nucleus

A

P

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4
Q

P or E:
DNA in nucleoid

A

P

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5
Q

P or E:
No membrane-bound organelles

A

P

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6
Q

P or E:
Cytoplasm bound by plasma membrane

A

P

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7
Q

P or E:
DNA in nucleus bound by envelope

A

E

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8
Q

P or E:
Membrane bound organelles?

A

E

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9
Q

P or E:
Larger

A

E

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10
Q

What is the part of the cell contained within the cell membrane with the total contents within the membrane (minus nucleus)?

A

Cytoplasm

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11
Q

The part of the cytoplasm not held by any organelles in the cell?

A

Cytosol

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12
Q

What does the nuclear lamina do?

A

Maintains cell shape

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13
Q

What is the site of rRNA?

A

Nucleolus

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14
Q

What are not part of the endo-membrane system?

A

Mitochondria, peroxisomes, and chloroplasts

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15
Q

Which plant vacuole is formed by phagocytosis?

A

Food vacuole

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16
Q

Which vacuoles are found in fresh water protists and pump water out of cells?

A

Contractile vacuoles

17
Q

What is the main and largest vacuole in a plant called?

A

The central vacuole

18
Q

What are oxidative organelles?

A

Perixisomes

19
Q

What is a network of fibres that extend throughout the cytoplasm?

A

Cytoskeleton

20
Q

What three things make up the cytoskeleton?

A

Microtubules
Intermediate filaments
Microfilaments

21
Q

What moves along the cytoskeleton?

A

Motor proteins

22
Q

What are the cilia described as?

A

Hair-like

23
Q

What are the flagella described like?

A

Whip-like

24
Q

What is the pseudopodia described like?

A

Cellular extensions

25
Q

What are the microvilli described like?

A

Finger-like

26
Q

Which part of the cell wall is relatively thin and flexible?

A

Primary cell wall

27
Q

What is the thin layer between primary walls of adjacent cells?

A

The middle lamella

28
Q

What are (in some cells) added between the plasma membrane and the primary cell wall?

A

The secondary cell wall

29
Q

What are channels between adjacent plant cells?

A

Plasmodesmata

30
Q

Which type of cell is the plasmodesmata in?

A

Plant

31
Q

What prevent leakage?

A

Tight junctions

32
Q

What fasten things?

A

Desmosomes

33
Q

What communicate (channels)?

A

Gap junctions

Biology Test (12 decks)

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