biochem
Created on 21st April 2025
Grade level: Grade 12th grade
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41 Questions
biochemistry - biology
Questions (41)
1. Which of the following is a functional group found in carbohydrates?
Hydroxyl group
4 choice options
2. What is the primary structure of a protein?
The sequence of amino acids
4 choice options
3. Which sentence is correctly punctuated?
It's a beautiful day.
4 choice options
4. Identify the carboxyl group in the following structure: CH3COOH.
-COOH
4 choice options
5. Which of the following sentences is in the passive voice?
The mouse was chased by the cat.
4 choice options
6. What is the role of ATP in biochemistry?
It acts as an energy currency.
4 choice options
7. Which of the following functional groups is found in amino acids?
Carboxyl
4 choice options
8. Which process involves the breakdown of glucose to release energy?
Glycolysis
4 choice options
9. Which of the following is a correct sentence structure?
He goes to school.
4 choice options
10. What is the function of enzymes in biochemical reactions?
To decrease activation energy
4 choice options
11. Which sentence is an example of a compound sentence?
I like coffee, and she likes tea.
4 choice options
12. Which functional group is associated with alcohols?
Hydroxyl group
4 choice options
13. What is the primary purpose of cellular respiration?
To generate energy
4 choice options
14. Identify the peptide bond in the following structure: NH2-CHR-CO-NH-CHR-COOH.
C-N bond
4 choice options
15. What is the term for a molecule that has both hydrophilic and hydrophobic properties?
Amphipathic
4 choice options
16. The functional group -NH2 is known as what?
Amino
4 choice options
17. What is the main difference between saturated and unsaturated fats?
Unsaturated fats have double bonds; saturated do not.
4 choice options
18. What is the function of ribosomes in a cell?
To produce proteins
4 choice options
19. Which of the following is NOT a function of proteins?
Genetic information storage
4 choice options
20. What property of water allows it to have a high specific heat capacity?
Hydrogen bonding
4 choice options
21. Which functional group is characteristic of alcohols?
Hydroxyl group (-OH)
4 choice options
22. What is the monomer of carbohydrates?
Monosaccharide
4 choice options
23. Which of the following is a polysaccharide?
Starch
4 choice options
24. What type of lipid is characterized by a hydrophilic head and hydrophobic tails?
Phospholipid
4 choice options
25. Which amino acid contains a sulfur atom?
Cysteine
4 choice options
26. What is the primary function of carbohydrates in living organisms?
Energy storage and supply
4 choice options
27. Which functional group is found in amino acids?
Carboxyl group (-COOH)
4 choice options
28. Which of the following is NOT a function of lipids?
Genetic information storage
4 choice options
29. What is the process by which glucose is converted into energy in cells?
Glycolysis
4 choice options
30. Which type of bond forms between amino acids during protein synthesis?
Covalent bond (peptide bond)
4 choice options
31. What type of carbohydrate is cellulose?
Polysaccharide
4 choice options
32. In which type of reaction do amino acids link together to form proteins?
Dehydration synthesis
4 choice options
33. What is the main component of cell membranes?
Phospholipids
4 choice options
34. Which functional group acts as a base in biological systems?
Amino group (-NH2)
4 choice options
35. What type of sugar is sucrose?
Disaccharide
4 choice options
36. Which of the following is a saturated fat?
Butter
4 choice options
37. What type of bond holds the two strands of DNA together?
Hydrogen bonds
4 choice options
38. Which of the following is a primary function of proteins?
Catalysis of biochemical reactions
4 choice options
39. What is the basic structure of an amino acid?
A central carbon, an amino group, a carboxyl group, and a variable R group
4 choice options
40. What type of reaction breaks down carbohydrates into glucose?
Hydrolysis
4 choice options
41. Which of the following functional groups can contribute to the acidity of a molecule?
Carboxyl group (-COOH)
4 choice options