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Histology > The Cell Part III > Flashcards

The Cell Part III Flashcards

1
Q

subdivided into an intermembrane compartment and an inner matrix compartment

A

MITOCHONDRIA

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2
Q

contain granules within the matrix that bind the divalent cations Mg+2 and Ca+2

A

MITOCHONDRIA

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3
Q

contain all of the enzymes of the krebs (TCA) cycle

A

MITOCHONDRIA

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4
Q

consists of disk-shaped cisternae (saccules) arranged in a stack

A

GOLGI COMPLEX (APPARATUS)

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5
Q

pale area near the nucleus

A

GOLGI COMPLEX (APPARATUS)

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6
Q

processing of non-cytosolic proteins synthesized in the RER

A

GOLGI COMPLEX (APPARATUS)

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7
Q

membrane retrieval, recycling and redistribution(renewal of cell membrane)

A

GOLGI COMPLEX (APPARATUS)

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8
Q

characterized by a visible cytoplasmic surface coat

A

COATED VESICLES

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9
Q

2 varieties of coated vesciles:

A

● clathrin-coated vesicles
● clathrin

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10
Q

formed during endocytosis

A

3 LEGGED STRUCTURE

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11
Q

associated with signal-directed transport

A

3 LEGGED STRUCTURE

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12
Q

non-clathrin-coated vesicles

A

3 LEGGED STRUCTURE

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13
Q

involved in the transport of proteins from RER to golgi,

A

3 LEGGED STRUCTURE

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14
Q

one golgi cisterna to another

A

3 LEGGED STRUCTURE

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15
Q

golgi complex to plasma membrane

A

3 LEGGED STRUCTURE

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16
Q

associated with constitutive protein transport

A

3 LEGGED STRUCTURE

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17
Q

dark staining body containing hydrolytic enzymes

A

LYSOSOMES

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18
Q

essential for intracellular digestion

A

LYSOSOMES

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19
Q

TYPES OF LYSOSOMES:

A

a. Multivesicular bodies/endosomes
b. Phagolysosomes/phagosomes + lysosomes
c. Auto-phagolysosomes
d. Residual bodies

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20
Q

also known as microbodies

A

PEROXISOMES

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21
Q

membrane-bound, ovoid

A

PEROXISOMES

22
Q

has oxidative enzyme for the breakdown of hydrogen peroxide and alcohol

A

PEROXISOMES

23
Q

pair of cylindrical rods (0.2 µm wide and 0.5 µm long) oriented at right angles to one another

A

CENTRIOLES

24
Q

located in the centrosome (cell center)

A

CENTRIOLES

25
Q

direct the formation of spindle fiber during cell division

A

CENTRIOLES

26
Q

forms the bases of cilia and flagella (mother centriole)

A

CENTRIOLES

27
Q

lifeless accumulations of material

A

INCLUSIONS

28
Q

not metabolically active

A

inclusions

29
Q

temporarily present
● Glycogen
● Lipid Droplets
● Lipofuscin

A

INCLUSIONS

30
Q

structural framework within the cytosol.

A

CYTOSKELETON

31
Q

maintaining cell shape by providing cellular support

A

CYTOSKELETON

32
Q

stabilizing cell attachment

A

CYTOSKELETON

33
Q

facilitating endocytosis and exocytosis

A

CYTOSKELETON

34
Q

promoting cell motility
● Microtubules
● Microfilaments
● Intermediate Filaments
● Microtrabecular Lattice

A

CYTOSKELETON

35
Q

control various activities of the cell essential for reproduction and heredity transmission

A

NUCLEUS

36
Q

contains genetic apparatus encoded in the deoxyribonucleic acid (DNA) of chromosomes

A

NUCLEUS

37
Q

directs protein synthesis in the cytoplasm via:
➢ ribosomal RNA (rRNA)
➢ messenger RNA (mRNA)
➢ transfer RNA (tRNA

A

NUCLEUS

38
Q

Nucleus includes:

A

➢ Nuclear Envelope
➢ Nucleolus
➢ Nucleoplasm
➢ Chromatin

39
Q

surrounds the nuclear material

A

NUCLEAR ENVELOPE

40
Q

consists of two parallel membranes separated from each other by a narrow perinuclear cisterna

A

NUCLEAR ENVELOPE

41
Q

perforated at intervals by openings called nuclear pores

A

NUCLEAR ENVELOPE

42
Q

well-defined nuclear inclusion (sometimes > one)

A

NUCLEOLUS

43
Q

eccentrically placed within the nucleus

A

NUCLEOLUS

44
Q

not membrane-bound

A

NUCLEOLUS

45
Q

present in cells actively synthesizing protein

A

NUCLEOLUS

46
Q

generally detectable only when cell is in interphase

A

NUCLEOLUS

47
Q

involve in synthesis of rRNA and its assembly into precursors of ribosomes

A

NUCLEOLUS

48
Q

Portion of the protoplasm that is surrounded by the nuclear envelope

A

NUCLEOPLASM

49
Q

Consists of a matrix and various types of particles

A

NUCLEOPLASM

50
Q

double-stranded DNA complexed with histones and acidic proteins

A

CHROMATIN

51
Q

responsible for RNA synthesis

A

CHROMATIN

Histology (7 decks)

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