What is racemic mixture? Why it is optically inactive?

1087

---

Which are the nucleotides “portions” that bind in the formation of nucleic acids?

1061

---

Name the first synthetic organic compound. Who proposed it and from which compound?

1095

---

What are similarities and differences between the transcription process and the replication processes?

1183

---

How do you call the geometrical isomerism, similar groups are present on same side?

1056

---

Name the 1st synthetic organic compound that was prepared from its elements is?

1069

---

How can we calculate the number of possible optical isomers for a given compound?

1184

---

What amount of catalyst is consumed in the reaction it catalyzes?

1076

---

How is the cooling of organs and tissues for medical transplantations associated with the effect of temperature upon enzymatic reactions?

1027

---

Why is not it correct to assert that dna self-replicates?

1056

---

Ethylene on ozonolysis gives which chemical compound?

1238

---

Does dna replication occur in cell division?

1113

---

What is isomerism?

1123

---

How does the formation of the enzyme-substrate complex?

1051

---

What is the primary structure of a protein?

1064

---