BIO 151 FULL SOLUTION VIEW AHEAD QUESTIONS AND ANSWERS STUDY COMPANION

BIO 151 FULL SOLUTION VIEW AHEAD
QUESTIONS AND ANSWERS STUDY
COMPANION

●● Hydrogen Bond
Answer: A weak attraction between a hydrogen atom and an
electronegative atom like oxygen or nitrogen.


●● Cohesion
Answer: The tendency of water molecules to stick to each other due to
hydrogen bonding.


●● Adhesion
Answer: The attraction between water molecules and other substances.


●● Hydrophilic
Answer: A substance that dissolves easily in water ('water-loving').


●● Hydrophobic
Answer: A substance that does not dissolve in water ('water-fearing').


●● Organic Chemistry

,Answer: The study of carbon-based molecules.


●● Carbohydrate
Answer: An organic molecule made of carbon, hydrogen, and oxygen
that provides energy or structural support.


●● Bilayer
Answer: A double layer of phospholipids that forms the structure of cell
membranes.


●● Cellulose
Answer: A polysaccharide that forms plant cell walls.


●● Chitin
Answer: A structural polysaccharide found in insect exoskeletons and
fungal cell walls.


●● Disaccharide
Answer: A sugar formed by joining two monosaccharides.


●● Fat
Answer: A lipid made of glycerol and fatty acids used for energy
storage.

, ●● Fructose
Answer: A monosaccharide sugar commonly found in fruit.


●● Glucose
Answer: A monosaccharide sugar that is the main energy source for
cells.


●● Glycogen
Answer: A storage polysaccharide in animals, mainly in liver and
muscle.


●● Lactose
Answer: A disaccharide found in milk (glucose + galactose).


●● Maltose
Answer: A disaccharide made of two glucose molecules.


●● Micelle
Answer: A spherical structure formed by phospholipids in water.


●● Monosaccharide
Answer: The simplest sugar molecule, like glucose or fructose.