What is the driven force for oil to move upward in rocks?
a. Buoyancy
b. Heat
c. Gravity
d. Pressure
e. Viscosity
Ans: a. Buoyancy
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________________is (are) a key nutrient that drives the synthesis of hormones as well as the growth of membrane tissues in humans
Fill in the blanks with correct word
Because of the nature of the world-wide climatic conditions in the Mesozoic, organisms ____
A)had few habitats to occupy B)could occupy extensive geographic regions C)could only occupy restricted geographic regions D)were not affected E)stayed where they were
The atomic mass number is found by adding the number of protons and neutrons in the nucleus.
Answer the following statement true (T) or false (F)
Which of the following occurs when a monosaccharide is converted to an amino sugar?
A) An amino group replaces an aldehyde carbonyl. B) An amino group replaces a ketone carbonyl. C) An amino group replaces a hydroxyl group. D) Any of the above, it depends on the identity of the monosaccharide.