Cells Flashcards

1
Q

Membrane enclosing the nucleus

A

Nuclear envelope

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2
Q

DNA plus associated proteins

A

Chromatin

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3
Q

Condensed region where ribosomes are formed

A

Nucleolus

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4
Q

Metabolizes waste

A

Karla - Peroxisome

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5
Q

ER that is associated with ribosomes; makes secretory and membrane proteins

A

Rough

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6
Q

ER that makes lipids

A

Smooth

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7
Q

Form the mitotic spindle and maintain cell shape

A

Microtubules

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8
Q

Microtubule organizing center

A

Centrosome

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9
Q

Fibrous proteins that form the cellular cortex

A

Microfilaments

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10
Q

Digests food

A

Lysosome

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11
Q

Powerhouse of the cell

A

Pag nasala ka di pag shift to oi (eme)

Mitochondria

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12
Q

Why are cells small

A

To have great surface area to allow greater exchange of materials

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13
Q

Cell coat

Cell’s molecular fingerprint

A

Glycocalyx

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14
Q

Different types of movement across plasma membrane

A
  1. Simple diffusion
  2. Facilitated diffusion
  3. Osmosis
  4. Filtration
  5. Active transport
  6. Endocytosis
  7. Exocytosis
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15
Q

Two types of passive transport

A

Simple and Facilitated diffusion

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16
Q

Two types of facilitated diffusion

A

Specific transporter and Aquaporins

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17
Q

Does not need energy for molecules to pass through a membrane

A

Simple diffusion and passive transport

18
Q

How water molecules move across a semipermeable membrane that separates the two solutions

A

Osmosis

19
Q

Movement of fluid across a membrane as a result of pressure

A

Filtration

20
Q

Uses ATP to move molecules against concentration gradient

A

Active transport

21
Q

a process by which cells absorb external material by engulfing it with the cell membrane.

A

Endocytosis

22
Q

Three types of endocytosis

A

Phagocytosis
Pinocytosis
Receptor-mediated endocytosis

23
Q

Nonspecific uptake of solid material

A

Phagocytosis

24
Q

Nonspecific uptake of small droplets of ECF

A

Pinocytosis

25
Q

Involves a specific receptor protein on the plasma membrane that recognizes the extracellular molecule and binds with it

A

Receptor-mediated endocytosis

26
Q

Involves the regular secretion of molecules and is performed by all cells

A

Constitutive exocytosis

27
Q

Relies on the presence of extracellular signals for the expulsion of materials within vesicles and occurs commonly in secretory cells

A

Regulated exocytosis

28
Q

a form of bulk transport during which large numbers of molecules are transported out of the cell

A

Exocytosis

29
Q

Packaging, sorting, and export

A

Golgi apparatus

30
Q

Storage sacs

A

Vacuoles and vesicles

31
Q

Fluid suspending all organelles and dissolved molecules

A

Cytosol

32
Q

Contain hydrolases that digest organic molecules under acidic conditions

A

Lysosomes

33
Q

Directs chemical reactions in cell by transcribing genetic information and is continuous with the ER

A

Nucleus

34
Q

Protein workbenches

A

Ribosomes

35
Q

an intercellular structure made of both RNA and protein, and it is the site of protein synthesis

A

Ribosomes

36
Q

A microbody that contains catalase, which breaks down H2O2 into water and oxygen

A

Peroxisome

37
Q

Chromosome movement during cell division

A

Microtubule

38
Q

Maintain cell shape and orientation of organelles

A

Intermediate filaments

39
Q

Muscle contraction and mechanical support

A

Microfillaments

40
Q

Signalling structures

A

Exosomes

41
Q

Speculated to perform nuclear-cytoplasmic transport

A

Vaults