Hydrocarbon Molecules with Double or Triple Carbon-Carbon Bonds Are

Q12: Each dash in the structural formula of

Q13: A double bond between two carbon atoms

Q14: The average efficiency of photosynthesis in utilizing

Q15: Plants store energy in the form of<br>A)

Q16: Animal cells do not contain<br>A) glycogen.<br>B) starch.<br>C)

Q18: A variety of alkanes is found in<br>A)

Q19: Compared with their carbohydrate content, living cells

Q20: A long chain of identical simple molecules

Q21: DNA controls the development and functioning of

Q22: The number of carbon atoms in a