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WorksheetsChapter 2 Histo Past Year
Total questions: 58
Worksheet time: 58mins
Name
Class
Date
1.
Acid phosphatases are typical lysosomal enzymes.
a)
True
b)
False
2.
Adrenoleukodystrophy is caused by overproduction of lysosomes.
a)
True
b)
False
3.
ATP synthase proteins are associated with mitochondrial matrix.
a)
True
b)
False
4.
Catalase is a characteristic enzyme of lysosome.
a)
True
b)
False
5.
Coated pits are present within mitochondrial matrix.
a)
True
b)
False
6.
Conjugation and oxidation processes are characteristic for SER.
a)
True
b)
False
7.
Cytokeratins are proteins characteristic for intermediate filaments.
a)
True
b)
False
8.
Diffusion transports small, polar molecules directly through the lipid layer.
a)
True
b)
False
9.
Direct ATP synthesis takes place in the inner mitochondrial membrane.
a)
True
b)
False
10.
Dynein is a component of pinocytotic vesicles.
a)
True
b)
False
11.
ERAD is cellular system responsible for degradation of defective proteins.
a)
True
b)
False
12.
Exocytosis is bulk movement of substances into the cell by vesicles forming at plasma membrane.
a)
True
b)
False
13.
Fusion of phagosome and lysosome gives heterolysosome.
a)
True
b)
False
14.
Glycocalyx is a carbohydrate-rich region of the external surface of cell membrane.
a)
True
b)
False
15.
Golgi complex concentrate and glycosylate proteins.
a)
True
b)
False
16.
Golgi complex is important for proteins glycosylation, phosphorylation and translation.
a)
True
b)
False
17.
Head groups of lipids in membrane structure are hydrophobic.
a)
True
b)
False
18.
In H&E staining mitochondria appear as eosinophilic structures.
a)
True
b)
False
19.
In the mitochondria numerous hydrolytic enzymes are present.
a)
True
b)
False
20.
Initiator t-RNA recognizes the triplet codon coding the methionine.
a)
True
b)
False
21.
Lysosomal enzymes have optimal activity at the pH = 7.2.
a)
True
b)
False
22.
Na+ moves through Na+ channel into cell in passive transport.
a)
True
b)
False
23.
Neonatal adrenoleukodystrophy is caused by lysosomal defect.
a)
True
b)
False
24.
One of the SER function is lipid biosynthesis.
a)
True
b)
False
25.
Outer mitochondrial compartment contains some DNA.
a)
True
b)
False
26.
Peroxisomes could be formed by growth and division of preexisting peroxisomes.
a)
True
b)
False
27.
Peroxisomes enzymes are synthesized on free polyribosomes.
a)
True
b)
False
28.
Peroxisomes utilize oxygen but do not produce energy.
a)
True
b)
False
29.
Polyribosomes are acidophilic and stain intensely with hematoxylin.
a)
True
b)
False
30.
Primary lysosomes are formed finally on trans-face of Golgi complex.
a)
True
b)
False
31.
Product of lysosomal digestion are residual bodies.
a)
True
b)
False
32.
Proteasomes are involved in the production of proteins.
a)
True
b)
False
33.
Proteasomes are small proteins responsible for retrograde transport.
a)
True
b)
False
34.
Proteasomes are surrounded by double membrane.
a)
True
b)
False
35.
Protoplasm is subdivided into two components: cytoplasm and karyoplasm.
a)
True
b)
False
36.
RER is abundant structure in steroid producing and secreting cells.
a)
True
b)
False
37.
RER is an essential organelle for peroxisomes enzymes synthesis.
a)
True
b)
False
38.
Secondary lysosome has more homogenous appearance in the TEM than primary.
a)
True
b)
False
39.
Secondary lysosomes contain only (hydrolytic) enzymes.
a)
True
b)
False
40.
Secretory granule are formed on cis-face of Golgi apparatus.
a)
True
b)
False
41.
SER is abundant in liver cells.
a)
True
b)
False
42.
SER is associated with lipids metabolism.
a)
True
b)
False
43.
SER is involved in steroid synthesis.
a)
True
b)
False
44.
Signal-recognition particle (SRP) is fragment large transmembrane receptor.
a)
True
b)
False
45.
Sizes of majority of human cells are between 10 and 30 micrometers.
a)
True
b)
False
46.
Smooth endoplasmic reticulum is responsible for steroid biosynthesis.
a)
True
b)
False
47.
Staining for RNA shows that it is present within reach in RER areas of the cells.
a)
True
b)
False
48.
Synthesis of phospholipids is performed by SER.
a)
True
b)
False
49.
Synthesis of phospholipids occurs in the SER.
a)
True
b)
False
50.
The biosynthesis of proteins in the animal cells takes place in proteasomes.
a)
True
b)
False
51.
The diameter of intermediate filaments varies between 20 to 30 nm.
a)
True
b)
False
52.
The enzymes of the citric acid cycle are situated in the Golgi apparatus.
a)
True
b)
False
53.
The protein subunit of a microtubule is a heterodimer of alpha and beta tubulin.
a)
True
b)
False
54.
There are three stop codons (UAA, UAG and UGA), each one if which may halt translation.
a)
True
b)
False
55.
Thickness of the cell membrane is about 1 micrometer.
a)
True
b)
False
56.
Transport vesicle carry products from Golgi to other organelles.
a)
True
b)
False
57.
Voltage-gated protein channels of the cellular membrane go from the closed to open position, permitting the passage of ions from one side of the membrane to the other.
a)
True
b)
False
58.
Water molecules diffuse through the plasma membrane readily.
a)
True
b)
False
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