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 function of platelets? What consequences do the clinical situation known as thrombocytopenia yield?
What are the main endocrine glands of the human body, Explain?
Name the molecule responsible for the absorption of photic energy for photosynthesis? Where is that molecule situated in the photosynthetic cells?
Define the term ethics and explain why interpersonal communication includes ethical choices, especially in a relation to other interpersonal communication principles.
Write down the best known representatives of the platyhelminth phylum?
How does the nervous system acquire information regarding the external atmosphere, the tissues and organs?
Marketing is a process in a social system by which tlie demand pattern for product and services can be anticipated, enlarged, created and satisfied tlirougli tlie conception, production, promotion and physical distribution of goods a
Describe the diversity in a IT organizational culture ?
On average write down the life duration of red blood cells? Where are they destroyed? What is the destination of heme groups after destruction of hemoglobin molecules?
Explain the working of the contraceptive pills?
18,76,764
1938728 Asked
3,689
Active Tutors
1430104
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!