The pars granulosa and pars fibrosa refer to specific portions of the
Tests with 1 correct answer 1
Из 106
What system of lenses of a light microscope collects and focuses the Illumination to produce a cone of light that illuminates the object to be observed?
Condenser
Objective
Ocular
Convex
Concave
10
2
Из 106
What maximal resolving power of the light microscope can be?
0,2 micrometers
0,1 nm
1 mm
0,4 micrometers
10 nm
10
3
Из 106
What type of microscopy include the using of microspectrophotometer?
fluorescence
polarizing
electron
ultraviolet
confocal
10
4
Из 106
What substance uses for clearing?
xylene
ethanol
eosin
hematoxylin
picrofucsin
10
5
Из 106
Enumerate acidophilic components of cells and tissues:
mitochondria, secretory granules, collagen
microtubules, centrioles, basal body
nucleoproteins, glycosaminoglycans, glycoproteins
Endoplasmic reticulum, Golgi apparatus, elastin
Endoplasmic reticulum,nucleus, glycosaminoglycans
10
6
Из 106
By using of Feulgen reaction can be identified:
DNA
histones
lipids
RNA
glycogen
10
7
Из 106
Which one of the following subcellular components has the largest single dimension?
microtubule
lysosome
centriole
Golgi complex
ribosome
10
8
Из 106
All the following organelles incorporate unit membrane EXEPT:
Ribosome
Lysosomes
Golgi complex
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
10
9
Из 106
Differentiated adult human cells incorporate following structures EXEPT:
Sarcomeres
Endoplasmic reticulum
Plasma membrane
Golgi complex
Lysosomes
10
10
Из 106
What is the total thickness of the plasma membrane?
4-10 nm
2-5 mm
1-2 nm
5-10 µm
0.1 mm
10
11
Из 106
What organelles contain oxidative enzymes, particularly - catalase?
Peroxisomes
Ribosomes
Lysosomes
Golgi complex
Endoplasmic reticulum
10
12
Из 106
What inclusions the organic solvents used to prepare tissues for both light and electron microscopy can extract?
lipid
glycogen
pigment
secretory
excretory
10
13
Из 106
In what phase of cell cycle synthesis and replication of DNA take place?
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|
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S
M
Go
G1
G2
10
14
In what phase of mitosis reappears the nucleolus?
telophase
prophase
anaphase
metaphase
interphase
10
15
Из 106
What is the diameter of nuclear pore?
70 nm
8 nm
1.4 nm
8 µm
1.4 µm
10
16
Из 106
For what purpose can be used the definition of Barr body?
to identify the sex of a human
to definition a certain genetic diseases
to definition the age of a human
to definition the apoptosis
to identify the regeneration of cell
10
17
Из 106
What is the function of a smooth endoplasmic reticulum?
lipid absorption and metabolism
protein secretion
dehydrating function
energy production
supporting function
10
18
Из 106
What cells in such a stage of development is referred to as being in a Go-phase?
Neurons
Epithelial cells
Connective tissue cells
Adipose cells
Smooth muscle cells
10
19
Из 106
What is the principal function of the rough endoplasmic reticulum?
Protein synthesis
Steroid synthesis
Site of intracellular digestion
Energy production
Lipid absorption and metabolism
10
20
Из 106
What organelle contains the DNA?
Mitochondria
Ribosomes
Golgi complex
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
21
Из 106
DNA is replicated during
S- period of interphase
G1 -period of interphase
Prophase
G2 -period of interphase
metaphase
10
22
Из 106
Oxidative phosphorylation to adenosine triphosphate in mitochondria is associated with
Cristae
Outer mitochondrial membrane
Matrix
Mitochondrial ribosome
non of the above
10
23
Из 106
The mitotic spindle is composed mostly of
Microtubules
Smooth-surfaced endoplasmic reticulum
Golgi flattened sac
Microfilaments
none of the above
10
24
Из 106
The fluid-mosaic model of the membrane structure
has hydrophilic elements directed away from the center
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has hydrophobic elements directed away from the center
contains actin filaments
contains tonofilaments
none of the above
10
25
Из 106
During anaphase
the chromatids separate, moving away from each other
the chromosomes become visible and condense
the chromosomes uncoil becoming indistinct
the chromosomes located on the equator
none of the above
26
Из 106
All of the following are considered membranous organelles except
centrioles
lysosomes
mitochondria
Golgi apparatus
peroxysomes
10
27
Из 106
The pars granulosa and pars fibrosa refer to specific portions of the
nucleolus
nucleus
nuclear envelop
rough endoplasmatic reticulum
smooth endoplasmatic reticulum
10
28
Из 106
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