Distal Convoluted Tubule and Collecting Duct are parts of the nephron does ADH act on to regulate water reabsorption. ADH acts throughs G-protein coupled receptor in order to increase transcription and the insertion of Aquaporin–2 channels for the apical membrane of the CD and DCT cells. Therefore, the permeability of CD and DCT cells to the water increases.
A Distal Convoluted Tubule (DCT) is a short nephron segment, a portion of kidney nephron between Henle or macula densa and the collecting tubule loop. It plays an important role in regulating extracellular fluid volume and electrolyte homeostasis. In DCT, Sodium absorption occurs, which is mediated by the hormone aldosterone.
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Answer:
Reproduction is one of the most important characteristics of living beings, because -
- The existence of any species is dependent on the reproduction because no living being is immortal.
After death of a being of one generation,the existence of that died being is completed by the newborns of the next generation.
And,the birth of newborns of next generation is only possible by the reproduction.
- The variation and mutation in the biological characteristics is often necessary which is only possible by reproduction through many generations.
- When a living being becomes old, it's become unable to do normal tasks like collection of food, finding shelter etc,at that moment,the newborns of next generation do the necessary jobs.
And as mentioned before,these newborns are only possible due to reproduction.
Answer:
(i) It has long roots that go deep inside the soil for absorbing water.
(ii) Its leaves are in the form of spines to prevent water loss through transpiration.
Answer:
C) Does not have hemophilia
Explanation:
When a pedigree is half shaded, the person is a carrier.
When a pedigree is not shaded, the person doesn't express the gene.
When a pedigree is completely shaded, the person is affected.
Square usually is male and circles are usually female.
Since John is the non-shaded square and parent of 4 offspring, he does not have hemophilia. However, his wife is a carrier, and that's how their offspring have hemophilia.
Glycogen is found in animal cells and starch is found in plant cells.
Glycogen is a polysaccharide of glucose. It is used to store energy in animal cells. The linear chains in a glycogen molecule are linked by α(1,4) glycosidic bonds while the branched chains are linked by α(1,6) glycosidic bonds. Glycogen breaks into glucose to provide energy to the body when needed.
Starch is the polysaccharide of plants and is made up of glucose units. They are joined by glycosidic bonds. It is found in most plant-based foods and is a common carbohydrate in the human diet. It has two types of molecules helical amylose and branched amylopectin. Amylose forms 20-25% of starch whereas amylopectin forms 75-80% of it.
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