What are the four main elements found in living organisms?
A) Carbon, oxygen, hydrogen, nitrogen
B) Carbon, oxygen, glucose, hydrogen
C) Sodium, oxygen, glucose, hydrogen
D) Chloride, nitrogen, oxygen, carbon
E) Oxygen, hydrogen, nitrogen, sodium
Correct Answer:
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Q10: What is evolution in biology?
A) All organisms
Q11: What is meant by the statement "life
Q12: The diversity of life on Earth are
Q13: Which of these is the correct sequence
Q14: Why does sodium react so easily with
Q16: What are the four carbon-based macromolecules common
Q17: What are lipids made of and what
Q18: What are proteins made of?
A) Fatty acids
B)
Q19: Which of the macromolecules common to living
Q20: What are enzymes and what do they
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