1
Which atom in a water molecule has a partial negative charge?
Oxygen
What property describes the attraction between water molecules?
Cohesion
Which nitrogenous base pairs with guanine in DNA?
Cytosine
What element forms the backbone of organic molecules?
Carbon
What term describes a large, complex biological molecule?
Macromolecule
What term describes the unequal distribution of charge in a water molecule?
Polarity
What property measures a fluid's resistance to flow?
Viscosity
What type of sugar is found in RNA?
Ribose
What term describes the opposite directions of the two DNA strands?
Antiparallel
What nitrogenous base is found in DNA but not RNA?
Thymine
What is the dissolved substance in a solution called?
Solute
What term describes a substance that does not readily mix with water?
Hydrophobic
What type of reaction joins nucleotides together while releasing water?
Condensation
What process uses mRNA to synthesize a polypeptide?
Translation
What is the name of the pathway that allows water to travel through plant cell walls?
Apoplast pathway
Which plant tissue transports water and dissolved minerals from roots to leaves?
Xylem
What type of polymer is formed from many monosaccharides?
Polysaccharide
What type of metabolic reaction builds larger molecules from smaller ones?
Anabolic
What term describes molecules with the same molecular formula but different structures?
Isomers
What functional group is represented by –OH?
Hydroxyl
What term describes molecules containing only carbon and hydrogen?
Hydrocarbons
What term describes a reaction that requires an input of free energy?
Endergonic