This will provide you a good insight of what questions you should be able to answer before you enter the paper. Very helpful way of studying is with practice questions.
CASE 01: fats and sugars
1. What is the difference between saturated fats and unsaturated fats?
2. Explain how the digestion of fats happens to how fats are absorbed in the blood
3. What is the importance of cholesterol in our celmembrane?
4. Draw the fisher and Howard projection of glucose (alfa and beta)
5. Explain how sugars are metabolized
6. What are the different types of fatty acids?
7. Draw C18 :2(N-3) and C28:2 delta 12
Lecture 01: chemical evolution
1. What are the fundamental systems that all organisms contain?
2. What did the Urrey miller experiment prove?
3. What did the Oparin Haldane hypothesis state?
4. What do panspermia, abiogenesis, biogenesis mean?
5. What is a ribozyme? name one
6. How do you form a ribosome from a ribozyme?
7. Explain the RNA world hypothesis
8. Explain the iron Sulphur hypothesis
9. Explain the meaning of homochirality and draw a chiral molecule
10. What is so specific about the sugars and amino acids encoded in proteins?
CASE 02: DNA replication
1. Explain how DNA con be replicated
2. Explain what anti-parallel characteristic of DNA means
3. What do 5’ 3’ 1’ mean
4. Why doesn’t DNA recoil after being opened by helicase?
5. What is the function of helicase, ligase, primase?
6. What types of DNA pol do animals have and what are their functions?
7. Why is DNA in helix form?
8. How are mistakes made during DNA synthesis corrected?
9. Explain the terms heterochromatin and euchromatin
10. What are the pyrimidines and purines?
11. What is the difference between a nucleoside and a nucleotide?
12. Why is thymine not used during DNA transcription?
13. What is a nucleosome?
14. What is supercoiling and what enzyme aids negative supercoiling?
15. What does semi-conservative replication mean?
DNA transcription
1. Explain DNA transcription in eukaryotes and prokaryotes
2. Where in the cell is rRNA and ribosomes manufactured?
3. How is tRNA formed and why?
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