更多"snoRNAs(small nucleolar RNAs)"的相关试题:
[单项选择]Who was the small man
A. A stranger who lived nearby
B. One of the guests.
C. One of the host’s friends.
[填空题]tiny/small) pressure pads
[单项选择]
What are small boats warned about
A. (A) A foggy night.
B. (B) A windy evening.
C. (C) A rocky shore.
D. (D) An early sunset.
[填空题]Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.
They do not provide energy, 【B1】 do they construct or build any part of the body. They are needed for 【B2】 foods into energy and body maintenance. There are thirteen or more of them, and if 【B3】 is missing a deficiency disease becomes 【B4】 .
Vitamins are similar because they are made of the same elements—usually carbon, hydrogen , oxygen , and 【B5】 nitrogen. They are different 【B6】 their elements are arranged differently, and each vitamin 【B7】 one or more specific functions in the body.
【B8】 enough vitamins is essential to life, although the body has no nutritional use for 【B9】 vitamins. Many people, 【B10】 . believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body’’ s vitamin needs.
A. A.exceptional
B.exceeding
C.excess
D.external
[填空题]small in size, or not big