Cell Biology Revision

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Cell Quizzes & Trivia

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1.  Thin filaments are associated with ____ which is attached to a ____
2.  Antibody IgA binds to the ___ receptor and is taken up by receptor-mediated endocytosis. The antibody and receptor then pass to the ___ ____ and then to the ____ ____
3.  ____ have small vestigal nucleoids in their plastids
4.  The basal lamina is an extracellular matrix excreted by ____ cells
5.  Plastids are found in higher plants, algae and protists such as Apicomplexa e.g. _____ and ____
6.  Cartilage is mainly composed of ___ and ____ which are produced by _____
7.  The Golgi apparatus is made up of stacks of ____
8.  _____ secrete calcium and phosphate ions for bone formation
9.  ____ signals bind to receptors on neighbouring cells
10.  Gel filtration chromatography uses ___
11.  The phospholipids distributed on outside of membranes:
12.  Thylakoid membranes in chloroplasts sometimes form ____
13.  Lysosomes are not the main protein degrader as cells have specialised ____ for this function
14.  ______ is polarised endocytosis plus exocytosis
15.  Example of a repellent in chemotaxis
16.  Myofibrils are made up of chains of ____
17.  Signal sequences are ____ amino acids long
18.  Intermediate filaments have a ___ terminal head and a ____ terminal tail
19.  Scleiden and Swann proposed the ___
20.  SER is involved in ___ and also stores calcium
21.  Human eye resolution is ____ nm
22.  ____ - the protein which acts as a template for the length of thin filaments
23.  Neighbouring plant cells are joined by the ____ _____
24.  ____ ______ - disease of faulty LDL receptors
25.  Tight junctions make a seal between ____ cells
26.  Microtubules are ___nm in diameter
27.  In animals, hormones are produced by the ____ system
28.  Myofibrils are ___microns in diameter
29.  ____ and ____ make up the phosphorelay system
30.  Tropomodulin caps which end of the filament? positive/negative
31.  Name the actin filament inhibitor which prevents polymerisation
32.  An example of a peroxisomal disorder:
33.  Lysosomes have a pH of ___
34.  FACS Machine stands for:
35.  The Z disc is made up of ___ and ___
36.  In the bacterial sensing of repellents mechanism, binding of the repellent to a receptor causes the autophosphorylation of ___ via the adaptor protein ____
37.  Amorphous hemicellulose makes up ___% of plant cell walls
38.  Flagella are found in:
39.  What is the name of the protein associated with the cytoplasmic side of red blood cell membranes?
40.  Neurofilaments are ___kD
41.  When bacterial flagella rotate clockwise, the movement of the bacteria is
42.  Muscle fibres are made up of ____
43.  Name a photosynthetic algae whose plastids have triple/more envelopes
44.  Molecules which can diffuse through the membrane easily:
45.  Name a type of cell with a lot of SER
46.  Protein makes up approximately __% of myelin membrane
47.  Clathrin forms ____ shape from intertwined chains
48.  Light microscope resolution is ___nm
49.  There are numerous ____ _____ molecules inside an LDL
50.  The person to first identify the nucleus was ___
51.  Coccoliths are scales made of ___ ____ which form the coat of ____ (algae)
52.  Example of an attractant in chemotaxis
53.  _____ ______ won the Nobel Prize in 1999 for the discovery of protein signal sequences
54.  Thick filaments are composed of ____
55.  What is the protein-membrane association called when the protein is covalently bonded to the membrane?
56.  Actin filaments are ___nm in diameter
57.  Microtubules are ___ - made up of alpha and beta tubulin
58.  ___ which fluoresces blue, can be used to tag DNA
59.  Once phosphorylated, ____ transfers its phosphate to ___
60.  The phosphorylation of ____ causes ___ rotation of the flagella
61.  Name the proteoglycan present in the basal lamina
62.  ____ signals bind to receptors on the same cell
63.  Gap junctions are made up of 2 hexamers called ____
64.  Electron microscope resolution is ___nm
65.  The internal space of a chloroplast is called the ____
66.  Actin filaments are composed of the globular protein _____
67.  Name three types of immortal cell line
68.  _____ form mechanically strong connection between epithelial cells
69.  In carrier proteins, when it transports two different molecules in the same direction it is called ___
70.  Protein makes up approximately  __% of the inner membrane of mitochondria
71.  In the gut, apical membranes have ___ ___ of glucose and basolateral membranes have ____ ____ of glucose
72.  The core of cilia/flagella is called the ____
73.  After contraction of the sarcomere, ___ binds myosin and it releases actin.
74.  The nucleolus is the site of _____
75.  Nucleus are ____microns in size
76.  Plant pigments are generally separated by paper chromatography using a suitable lipid solvent e.g. chloroform
77.  In phagocytosis, after the vesicle has enclosed the phagosome it fuses with the ___ ____ and becomes a ____ ____
78.  Chlorophyll fluoresces ___ and lignin fluoresces ___
79.  ____ - the movement away/towards a higher concentration of a chemical repellent/attractant
80.  Intermediate filament keratin is ___kD
81.  During protein glycosylation, the original oligosaccharide added is ____
82.  Mitochondrial genomes code for enzymes for __ ___ and ___ ____
83.  Most plastid genomes are _____kbp, although nonphotosynthetic genomes are reduced e.g. Plasmodium falciparum - ___kbp
84.  Intermediate filament vimentin is ___kD
85.  Flagella are ____microns long
86.  ____ and hydrogenosomes have similarities with mitochondria
87.  A carbohydrate rich zone of oligosaccharides and associated proteins is called a ___
88.  Name a group of enzymes involved in drug detoxification in SER
89.  Example of a phenolic in plant cell walls is ___
90.  Plasmodesmata and gap junctions are approximately ___nm wide
91.  Describe the 4 stages of the transition of a bacteria to an organelle.
92.  Intermediate filaments are ___nm in diameter
93.  Name the actin filament inhibitor which prevents depolymerisation
94.  Peroxisomes are involved in ___ reactions and the removal of ____
95.  Name the 3 glycoproteins present in the basal lamina
96.  ___ are from the death cap toadstool
97.  Resolution is the ability to perceive close objects as separate entities
98.  Mitochondria are thought to have arisen from the ____ line
99.  The enzyme ____ ____ removes the signal sequence
100.  The transmission of information across a membrane is called signal ___
101.  Name the 2 accessory proteins which form links between microtubules in the axoneme (alphabetically)
102.  The simple protist ____ has been shown to have eubacterial organisation of it mitochondrial DNA
103.  In animal cells, extracellular matrices are often linked to underlying cells by the protein ____
104.  In autophagy, internal organelles are taken into _____ which then fuse with lysosomes
105.  Signal sequences bind to the ____ _____ _____ which then binds to a receptor on the ER
106.  In confocal microscopy, Z sections are computed into _____ and 3D images
107.  In transmission electron microscopy, a beam of electrons is generated by a tungsten filament and accelerated at ____kV
108.  In differential centrifugation, the 3 speeds are:
109.  What do amyloplasts store?
110.  Chloroplasts are thought to have arisen from the blue-green algae ____
111.  The inner membrane of the nucleus is lined with the fibrous protein ____
112.  Phospholipids are ___ lipids - they have a hydrophilic and hydrophobic end.
113.  An example of transcytosis is the uptake of the ___ antibody by infant from mother's milk
114.  The polar head of phospholipids consists of 
115.  Name a type of cell with a lot of RER
116.  Kynesins are double stranded helical coils with ___
117.  Name the protein molecule in LDLs
118.  Three examples of physical signals
119.  _____ - cell takes up small vesicles of non-specific fluid
120.  One of the things plastid genomes code for is the large subunit of carbon-fixing enzyme ____
121.  In density gradient centrifugation, a shallow sucrose gradient is
122.  Ganglioside GM1 acts as a receptor for the bacterial toxin which causes ___
123.  Name the 2 proteins associated with thin filaments
124.  ____ (phosphotase enzyme) rapidly dephosphorylates ___ and the flagella rotate ____
125.  In plant cell walls, ____ substances bond with cations to form rigid gels
126.  Three examples of chemical signals
127.  Smallest mt. genome is that of ____
128.  Largest mitochondrial genome is that of ____ - 98 genes
129.  In plant cell walls, crytalline cellulose microfilaments are composed of ___
130.  Dynein motors:
131.  Microtubules are made up of __ protofilaments
132.  Name the microtubule inhibitor which prevents disaggregation
133.  Name the microtubule inhibitor which prevents polymerisation
134.  In cholesterol, the hydrophilic tail and hydrophobic tail are joined by a ___
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