Answer:
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Explanation:
Answer:
The term secretion refers to the cell that releases a substance into the extracellular space.
Explanation:
When a cell or organ or gland produce and secretes substance in to extracellular space,this biochemical process is called as secretion.
The secretory products may be hormone, enzymes etc.
This process facilitates the movement of material from one place to another place.
For example, Pituitary gland produce and release prolactin hormone that induces breast cells to produce lactation during sucking process done by baby.
Pituitary gland also secrete different hormones that acts on different glands like adrenal, testes, ovary, thyroid gland etc that in turn produce different hormones like adrenaline,testosterone,estrogen,progesterone, TSH,T3, hormone etc.
Answer:
The options
A. pseudostratified epithelium
B. glandular epithelium
C. cuboidal epithelium
D. stratified epithelium
E. columnar epithelium
The CORRECT ANSWER IS A.
A. pseudostratified epithelium
Explanation:
A pseudostratified epithelium is a form of epithelium that, entails of a major layer of cells, with its cell nuclei placed in a manner that speaks of stratified epithelia.
Ciliated pseudostratified columnar epithelium cells are located in spots such as the trachea and upper respiratory tract, of which its cilia and mucous secretions do gather foreign bodies to be expelled during coughing or sneezing.
The aftermath of exposure to cigarette smoke are lung inflammation and the destruction of normal pseudostratified columnar ciliated epithelium. Cilia length is also reduced in smokers.
Answer:B (glycogen)
Explanation:
Starch is in the form of amylose and amylopectin has less branches than glycogen. Glycogen is more branched and more compact than amylopectin of starch. glycogen is composed of glucose units joined by alpha-1,4 links in the straight chain and alpha-1, 6 glcosidic linkages at the branch point. Iodine atoms can bind into the helices of starch and glycogen to form a starch-iodine or glycogen-iodine complex respectively. The helices of starch are longer than glycogen, and therefore can bind more iodine atoms. The is the reason why color produced by a starch-iodine complex(blue black) is more intense than that obtained with a glycogen-iodine complex.
