Biology Midterm Review
Quiz by Pauline Mickavicz
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70 questions
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- Q1What percentage of water is found in all organisms?65% to 95%30s
- Q2Why is water the universal solvent?more substances dissolve in water than any other substance30s
- Q3What are two reasons why carbon is important?1) able to form 4 covalent bonds30s
- Q4What is biosynthesis?process where organisms produce organic molecules30s
- Q5How do the two types of biosynthesis differ?Dehydration synthesis is when water is removed to build a molecule. Hydrolysis is when water is added to break a molecule apart.30s
- Q6Which type of molecule is composed of C, H, and O where H:O = 2:1?carbohydrate30s
- Q7What do carbohydrates provide for the body?energy30s
- Q8What is glycogen?polysaccharide found in animals30s
- Q9Where is glycogen produced and stored?produced in the liver and stored in the liver and muscle30s
- Q10What are the two functions of lipids?cell structure and energy30s
- Q11What are the three types of lipids?triglycerides/ phospholipids, waxes, and steroids30s
- Q12Why is cholesterol dangerous?it coats the walls of blood vessels causing blood pressure to increase30s
- Q13Why is cholesterol beneficial?a small amount of it is needed by the body for digestion, and as a part of the structure of the cell membrane30s
- Q14What are the monomers that bond together to form a protein?amino acids30s
- Q15What is an enzyme?a type of protein that acts as a catalyst30s