What are pentoses? To what organic group do pentoses belong? Are nucleotides formed of only one type of pentose?

1007

---

What is the difference between essential and natural amino acids?

1036

---

What are respectively some remarkable functions of reverse transcriptase?

1019

---

What is the completing sequence of nitrogen-containing bases for an agccgttaac fragment of a dna chain?

1142

---

What are dextrorotary compounds and levi rotary compounds?

1058

---

Why ethylene undergoes electrophilic addition reactions?

1020

---

Bacteria are prokaryotic cells, i.e., They do not have membrane-delimited nucleus. Eukaryotes have cells with delimited nucleus. Where in these types of cells can dna are found?

1110

---

Of what units are, nucleic acids constituted?

1055

---

What are respectively some remarkable functions of cd4?

1058

---

Aromatic compounds generally undergo which type of reactions?

1103

---

What are allosteric enzymes?

1045

---

What is the numeric relation between pyrimidine and purine bases in the dna molecule? Is that relation valid in rna molecules?

1066

---

Which type of reactions did acetylene undergoes?

999

---

To what organic group do pentoses belong?

1020

---

What are pentoses?

997

---