__________ are the sections of DNA used to encode RNA
A) Chromosomes
B) Exons
C) Introns
D) Genomes
Fill in the blank with the correct word.
Answer: B
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The end-product of glycolysis is
a. glucose. b. pyruvic acid. c. lactic acid. d. ethanol. e. carbon dioxide.
The sterile solution of normal saline with added antibiotics was slowly dripping into a patient's veins. Which solute is being used in the same concentration as in the blood?
A) Sodium bicarbonate B) Sodium hydroxide C) Sodium phosphate D) Sodium chloride
Answer the following questions true (T) or false (F)
1. Enzymes bind with substrates at their active sites and are permanently altered by the binding process. 2. Due to the low heat capacity of water, the human body is resistant to overheating and cooling down quickly. 3. A base is a hydrogen ion acceptor while an acid is a hydrogen ion donor.
The atomic mass of a proton is
A. 2 atomic mass units. B. 1 atomic mass unit. C. -1 atomic mass unit. D. 0 atomic mass units.