JMU BIO 140 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS FULL
SOLUTION
●● Define Theory
Answer: A well-substantiated explanation of some aspect of the natural
world, based on a body of gives that have been repeatedly confirmed
●● The earth's crust consist mainly of what elements?
Answer: oxygen and silicon
●● The human body consist mainly of what elements?
Answer: oxygen, carbon, and hydrogen
●● Are viruses made of cells?
Answer: no
●● What is the central dogma?
Answer: DNA -> RNA -> Protein
●● When simple compounds are combined into more complex
molecules, the entropy inside the cell __________.
,Answer: decreases
●● When energy is released as heat, what happens to the entropy?
Answer: the entropy increases
●● Humans and chimpanzees share _______% of our DNA.
Answer: 98.8
●● What do nodes do?
Answer: indicate a common ancestor
●● What makes a good hypothesis?
Answer: a prediction about observations not yet made and can be tested
by experiment or further observation
●● What are the characteristics of life?
Answer: -complexity
-ability to change in response to the environment
-ability to reproduce
-capacity to evolve
●● What two elements make up 99% of matter?
, Answer: hydrogen and helium
●● What is the first law of thermodynamics?
Answer: energy can neither be created nor destroyed; it can only be
transformed from one form to another
●● What is the second law of thermodynamics?
Answer: the degree of disorder in the universe tends to increase
●● The amount of disorder in a system is the ________ of the system
Answer: entropy
●● Who completed the experiment with rotting meat?
Answer: Francesco Redi
●● What did Francesco Redi's experiment prove?
Answer: living things only come from other living things
●● What was the hypothesis which Louis Pasture tested?
Answer: that microorganisms can arise by spontaneous generation
●● What did Louis Pasture's experiment prove?
QUESTIONS AND CORRECT ANSWERS FULL
SOLUTION
●● Define Theory
Answer: A well-substantiated explanation of some aspect of the natural
world, based on a body of gives that have been repeatedly confirmed
●● The earth's crust consist mainly of what elements?
Answer: oxygen and silicon
●● The human body consist mainly of what elements?
Answer: oxygen, carbon, and hydrogen
●● Are viruses made of cells?
Answer: no
●● What is the central dogma?
Answer: DNA -> RNA -> Protein
●● When simple compounds are combined into more complex
molecules, the entropy inside the cell __________.
,Answer: decreases
●● When energy is released as heat, what happens to the entropy?
Answer: the entropy increases
●● Humans and chimpanzees share _______% of our DNA.
Answer: 98.8
●● What do nodes do?
Answer: indicate a common ancestor
●● What makes a good hypothesis?
Answer: a prediction about observations not yet made and can be tested
by experiment or further observation
●● What are the characteristics of life?
Answer: -complexity
-ability to change in response to the environment
-ability to reproduce
-capacity to evolve
●● What two elements make up 99% of matter?
, Answer: hydrogen and helium
●● What is the first law of thermodynamics?
Answer: energy can neither be created nor destroyed; it can only be
transformed from one form to another
●● What is the second law of thermodynamics?
Answer: the degree of disorder in the universe tends to increase
●● The amount of disorder in a system is the ________ of the system
Answer: entropy
●● Who completed the experiment with rotting meat?
Answer: Francesco Redi
●● What did Francesco Redi's experiment prove?
Answer: living things only come from other living things
●● What was the hypothesis which Louis Pasture tested?
Answer: that microorganisms can arise by spontaneous generation
●● What did Louis Pasture's experiment prove?
