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Histology > The Cell Part II > Flashcards

The Cell Part II Flashcards

(50 cards)

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1
Q

PROPERTIES OF PROTOPLASM:

A
  1. IRRITABILITY
  2. CONDUCTIVITY
  3. CONTRACTILITY
  4. RESPIRATION
  5. ABSORPTION
  6. SECRETION
  7. EXCRETION
  8. GROWTH
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2
Q

capability to respond to a stimulus

A

IRRITABILITY

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3
Q

can transmit a wave of excitation (an electrical impulse) throughout the cell from the point of stimulus

A

CONDUCTIVITY

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4
Q

highly developed in nerve cells lesser extent, in muscle cells

A

CONDUCTIVITY

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5
Q

property of changing shape in the sense of shortening

Ex. Muscle cells

A

CONTRACTILITY

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6
Q

essential for life process whereby food substances and oxygen within the cell interact chemically to produce energy, carbon dioxide and water

A

RESPIRATION

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7
Q

imbibition of materials that later may be assimilated by the cell in metabolism or otherwise utilized

A

ABSORPTION

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8
Q

process by which cell extrudes material (useful)

A

SECRETION

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9
Q

such as digestive enzyme or a hormone

A

SECRETION

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10
Q

extrusion of waste material from the cell

A

EXCRETION

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11
Q

increase in size

A

GROWTH

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12
Q

Fluid component of cytoplasm

A

CYTOSOL

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13
Q

exhibits functional interactions among organelles

A

CYTOSOL

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14
Q

Results in:

Uptake and release of material

A

CYTOSOL

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15
Q

Results in:

Protein synthesis (intracellular digestion)

A

CYTOSOL

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16
Q

metabolically active units of living matter

A

3 STRUCTURAL COMPONENTS OF CYTOPLASM ORGANELLES

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17
Q

limited by a membrane

A

3 STRUCTURAL COMPONENTS OF CYTOPLASM ORGANELLES

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18
Q

composed of a lipid bilayer and associated proteins

A

PLASMA MEMBRANE

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19
Q

envelopes the cell

A

PLASMA MEMBRANE

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20
Q

aids in maintaining its structural and functional integrity

A

PLASMA MEMBRANE

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21
Q

functions as a semipermeable membrane between the cytoplasm and the external environment

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A

PLASMA MEMBRANE

22
Q

sensory device

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A

PLASMA MEMBRANE

23
Q

recognize other cells and macromolecules

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A

PLASMA MEMBRANE

24
Q

composed of an inner leaflet (facing the cytoplasm) and an outer leaflet (facing the extracellular environment)

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A

PLASMA MEMBRANE

25
exhibits a trilaminar structure (called the unit membrane)
PLASMA MEMBRANE
26
performs special processes like: phagocytosis, pinocytosis, exocytosis
PLASMA MEMBRANE
27
composed of phospholipids, glycolipids, and cholesterol.
LIPID BILAYER
28
12 nm wide and 25 nm long
RIBOSOMES [PALADE GRANULES]
29
consist of a small and large subunit composed of several types of RNA
RIBOSOMES [PALADE GRANULES]
30
free in the cytosol
RIBOSOMES [PALADE GRANULES]
31
bound to membranes of the: ➢ rough endoplasmic reticulum ➢ outer nuclear membrane
RIBOSOMES [PALADE GRANULES]
32
actual sites of protein synthesis
RIBOSOMES [PALADE GRANULES]
33
responsible for the basophilic staining of the cytoplasm
RIBOSOMES [PALADE GRANULES]
34
site where non-cytosolic proteins are synthesized: Secretory Plasma membrane Lysosomal
ROUGH ENDOPLASMIC RETICULUM [RER]
35
provide an area of storage and transport of proteins
ROUGH ENDOPLASMIC RETICULUM [RER]
36
irregular network of membrane bounded channels that lack ribosomes on its surface appearing smooth
SMOOTH ENDOPLASMIC RETICULUM [SER]
37
appears as branching anastomosing tubules or vesicles membranes
SMOOTH ENDOPLASMIC RETICULUM [SER]
38
less common than RER
SMOOTH ENDOPLASMIC RETICULUM [SER]
39
predominates in cells synthesizing steroids, triglycerides and cholesterol
SMOOTH ENDOPLASMIC RETICULUM [SER]
40
Smooth endoplasmic reticulum serves different functions in different cell types:
● steroid hormones and lipid synthesis ● drug detoxification (liver) ● muscle contraction and relaxation
41
parallel stacks of membranes (6-10) located near the nucleus
ANNULATE LAMELLAE
42
resemble the nuclear envelope, including its pore complexes
ANNULATE LAMELLAE
43
are continuous with the RER
ANNULATE LAMELLAE
44
are found in rapidly growing cells (germ cells, embryonic cells, tumor cells)
ANNULATE LAMELLAE
45
function is not fully known
ANNULATE LAMELLAE
46
rod-shaped organelles [0.2 µm (W) – 7 µm (L)] double layered sac
MITOCHONDRIA
47
possess an outer smooth membrane and an inner membrane, which invaginates to form cristae
MITOCHONDRIA
48
important in energy metabolism
MITOCHONDRIA
49
as major source of adenosine triphosphate (ATP)
MITOCHONDRIA
50
site of many metabolic reaction
MITOCHONDRIA

Histology (7 decks)

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