How artificial and natural pearls created
How artificial and natural pearls created?
Expert
Pearls are made from small strange particles which deposit between shell and mantle of oyster. These particles trigger a defense procedure by organism and they are slowly covered by the calcium carbonate layers secreted by oyster thus giving birth to the pearls.
In artificial production of the pearls a small fragment of the shell covered with the mantle pieces is inserted between shell and mantle of an oyster and a pearl is formed around graft.
Write down the three functions of adrenalin? Briefly state it.
Explain what is meant by Matrix management and support your explanation with a schematic representation.
The oxygen comes from the atmosphere and carbon-dioxide in the end returns to the atmosphere. How do small animals resolve the problem of taking away and bringing such molecules from/to their cells? Why that isn’t answered possible for bigger animals?
On the basis of way of expression, the e communication can be classified in the following two types: I. Oral communication, II. Written communication, and III. Gesture communication.
Define the term zymogens?
Write down the final energetic products of each round of the Krebs cycle. Where is most component of utile energy at end of Krebs cycle found?
35-year old second gravida with single umbilical artery and ctev (club foot)?
Where does hematopoiesis take place?
Explain venous vessels, venules and veins?
Write down the main parts of human ear?
18,76,764
1961073 Asked
3,689
Active Tutors
1453561
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!