What is optical isomerism? Which compounds exhibit optical isomerism?

1185

---

What is the relation between vitamins and enzyme cofactors?

1208

---

What is meant by substrates of enzymatic reactions?

1180

---

What are respectively some remarkable functions of hemoglobin?

1065

---

What are enzymes? What is the importance of enzymes for the living beings?

1163

---

Concerning enzymatic reactions how different, are the graphic curve of the variation of the speed of a reaction as function of substrate concentration and the curve of variation of the speed of a reaction as function of temperature?

1113

---

Does ph affect the enzyme activity?

1074

---

What is markownikoff’s rule?

1139

---

Aldehydes and ketones characteristically undergo which reactions?

1007

---

Into which two groups can the nitrogen-containing bases that form dna and rna be classified? What is the criterion used in that classification?

1078

---

Is there difference between the initial and the final energy levels in catalyzed and non-catalyzed reactions?

1167

---

What is the importance of the primary structure?

1243

---

What are some factors that can lead to protein denaturizing?

1064

---

What is the tertiary structure of a protein?

1091

---

Since pepsin is a gastric enzyme does it, has acid or basic optimum ph? What happen to pepsin when it passes to the duodenum?

1047

---