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Vitamin B12 is a set of complex chemical compounds synthesized in nature only by this group of organisms.
Question 1:
Vitamin B12 is a set of complex chemical compounds synthesized in nature only by this group of organisms.
A.
Fungi
B.
Plants
C.
Animals
D.
Bacteria
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Some questions from the same exam
The vitamins from the B complex have many functions but generally play most important role in which of these processes of the human body?
To which of these groups of substances do the B vitamins belong?
Which of these is not among the systems of the human body that vitamins of the B group mainly benefit?
Which is the only B vitamin that cannot be obtained from plant products?
Vitamin B2 has which of these interesting properties?
Vitamin B6 is widely distributed in foods and its relatively stable form enables it to remain unchanged even when the products are cooked.
The folic acid, a compound especially important during periods of rapid cell division and growth, is commercially known under what name?
Which of the following is true about the sources of vitamin B5?
B1, a vitamin participating in many important cellular processes, is synthesized by animals, plants and some bacteria.
Niacin, also known as vitamin B3 or nicotinic acid, is a vitamin that can be synthesized by which organ?
Vitamin B12 is a set of complex chemical compounds synthesized in nature only by this group of organisms.
This vitamin of the B complex, popular also under the name vitamin H, is not included in the recommended daily intake by some health organizations.
Megaloblastic anemia is a type of anemia in which among the bone marrows red blood cells start to appear many immature and dysfunctional ones. The deficiency of which two vitamins of the B complex group causes this disorder?
Biotin deficiency (the lack of vitamin B7) is a rare nutritional disorder that occurs in people from this age group.
Which of these medical conditions is caused by the ricin found in castor beans?
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