IB BIOLOGY EXAM WITH COMPLETE
SOLUTIONS
Can form four covalent bonds - ANSWER-What feature of carbon allows it to form a
wide range of stable molecules?
CHO - ANSWER-What elements are found in carbohydrates?
CHO - ANSWER-What elements are found in lipids?
CHONS - ANSWER-What elements are found in proteins?
Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorous (C, H, O, N, P) - ANSWER-
What elements are found in nucleic acids?
Saturated Fatty Acid - ANSWER-a fatty acid whose carbon chain cannot absorb any
more hydrogen atoms
- ANSWER-Amino Acid
- ANSWER-Ribose
All of the chemical reactions that occur within an organism - ANSWER-Metabolism
Metabolic pathways that construct molecules, requiring energy. - ANSWER-Anabolism
Metabolic pathways that break down molecules, releasing energy. - ANSWER-
Catabolism
cohesive, adhesive, solvent, and thermal - ANSWER-What four properties of water are
hydrogen bonds responsible for?
soluble in blood plasma - ANSWER-How are glucose and amino acids transported?
surrounded by proteins and phospholipids - ANSWER-How are cholesterol and fats
transported?
Hemoglobin - ANSWER-How is oxygen transported?
Soluble in blood plasma - ANSWER-How is salt transported?
SOLUTIONS
Can form four covalent bonds - ANSWER-What feature of carbon allows it to form a
wide range of stable molecules?
CHO - ANSWER-What elements are found in carbohydrates?
CHO - ANSWER-What elements are found in lipids?
CHONS - ANSWER-What elements are found in proteins?
Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorous (C, H, O, N, P) - ANSWER-
What elements are found in nucleic acids?
Saturated Fatty Acid - ANSWER-a fatty acid whose carbon chain cannot absorb any
more hydrogen atoms
- ANSWER-Amino Acid
- ANSWER-Ribose
All of the chemical reactions that occur within an organism - ANSWER-Metabolism
Metabolic pathways that construct molecules, requiring energy. - ANSWER-Anabolism
Metabolic pathways that break down molecules, releasing energy. - ANSWER-
Catabolism
cohesive, adhesive, solvent, and thermal - ANSWER-What four properties of water are
hydrogen bonds responsible for?
soluble in blood plasma - ANSWER-How are glucose and amino acids transported?
surrounded by proteins and phospholipids - ANSWER-How are cholesterol and fats
transported?
Hemoglobin - ANSWER-How is oxygen transported?
Soluble in blood plasma - ANSWER-How is salt transported?