Cytology Overview

From the following choose the organelles of general importance: - RER & SER - Golgi Complex - Lysosome - Peroxisome - Mitochondria

Select the correct statement about the Smooth Endoplasmic Reticulum: - It is a system of tubules and channels that do not contain ribosomes - Here are synthesized polysaccharides, lipids - There is accumulating calcium ions - This occurs detoxification different substances

In the Anaphase of mitosis takes place: - Movement of chromosomes toward the poles of the cell

What structures are responsible for basophilic aspect of the cytoplasm?

Choose the intercellular junctions:

Cytokinesis takes place in:

Name the function of the nucleus:

Select the nonmembranous organelles:

Select the functions of the mitochondria:

Select the correct statement about the Gap junction: - is a junction intercommunicating - contains connexion - are characteristic of muscle tissue

The cell membrane is composed of: - Glycocalyx, plasmalema and cytoskeletal elements

The following events characterized the Prophase: - Chromatin condensation and spiral - Nucleolus disappers - Nuclear membrane disappears - Formation of the mitotic spindle - Centriole moving toward cell poles

Chromatin includes: - DNA - RNA - Histone proteins and nonhistone

What organelles are responsible for synthesis and secretion of proteins for "export"? - Rough endoplasmic reticulum - Golgi Complex

The component parts of the nucleus are: - Nuclear membrane - Nuclear skeleton - Chromatin - Nucleoplasm - Nucleolus

The metaphases plate is characteristic for:

Select the correct statement about Desmosomes: - is a junction intercellular - is characteristic of epithelia - intercellular space appears in a compact disc

Chromatin fibers consist of: - DNA - Proteins - RNA

The following events which take place in the Metaphase of mitosis are:

Rough endoplasmic reticulum synthesizes: - Protein "for export"

Select the correct statement about Endocytosis: - a variant of transportation of substances in the cell cytoplasm

Exocytosis represents:

Phagocytosis represents: - transfer large solid particles in the cytoplasm

Select the organelles of general importance: - RER & SER - Golgi Complex - Mitochondria - Lysosome - Peroxisome - Nucleus (Cellular Center)

Choose the inclusions from the following structures: - Nutritious (lipid droplets, glycogen) - Pigmental (pigmental granules) - Secretory (secretory granules) - Excretory

Select the organelles: - ERE & SER - Golgi Complex - Lysosome - Peroxisome - Mitochondri - Nucleus (Cellular Center)

Choose the inclusions from the following structures: - secretory granules - granules of excretion - pigment granules

Choose the organelles: - ERE & SER - Golgi Complex - Lysosome - Peroxisome - Mitochondria - nucleus (Cellular Center)

Choose the organelles of special importance: - microvilli - cilia - flagellum - acrosome

Choose the membranous organelles: - ER - golgi - Lysosome - peroxisome - mitochondria

Polyploidy represents: - Duplication of chromosomes lining unaccompanied by mitosis

Synchronous migration of chromatids to the opposite poles of the cell takes place in: - Anaphase

Select the correct statement about the Nuclear pore complex: - it has a system of globular and fibrillary structures - It consists of three rings (cytoplasmic, middle, nucleoplasmic ring), each consisting of 8 grains - at center is located The central grain

Heterochromatin represents:

Intracellular digestion is provided by:

Smooth endoplasmic reticulum is responsible for the synthesis of: - Polysacharides and lipids

Synthesis of tubulins necessary for the formation of the mitotic spindle takes place in: - during G2

Synthesis and duplication of the DNA amount take place during: - S period

Choose the organelle/organelles which are responsible for the modification, packing and segregation of the synthesized proteins: - Golgi complex

Choose the organelle which contains peroxidase (oxidase): - Peroxizome

Choose the organelles which contain hydrolytic enzymes: - Lysosomes

Select the organelles which are responsible for the proteins synthesis: - Rough endoplasmic reticulum - ribosomes

Select the organelle which is responsible for the formation of mitotic spindles:

Select the organelle which is responsible for the synthesis of ATP:

Meiosis represents:

Select the functions of the Rough Endoplasmic Reticulum: - protein synthesis "for export"

Choose the correct answer: - The cell is made up of the cell membrane, the nucleus and the cytoplasm

Select the organelles of special importance: - microvilli - cilia - flagellum - acrosome

Select the organelles from the following structures: - ERE & SER - Golgi Complex - Lysosome - Peroxisome - Mitochondri - Nucleus (Cellular Center)

Choose the types of the intracellular digestion: - lysosomes (types – hetrophagy, autophagy, crynophogy)

Intermediate filaments:-- - supporting elements of cytoskeleton (8-12nm) - consists of 8 subunits for stabilization

Choose one of the following components structure with the same structure as centriole - basal body

Choose the hydrolytic enzymes of the lysosome.