Select the correct match:
1. Alec Jeffreys – Streptococcus pneumoniae
2. Alfred Hershey and Martha Chase – TMV
3. Matthew Meselson and F. Stahl – Pisum sativum
4. Francois Jacob and Jacques Monod – Lac operon
Which of the following has proved helpful in preserving pollens as fossils?
1. | Pollen kit | 2. | Cellulosic intine |
3. | Oil content | 4. | Sporopollenin |
1. Temperature
2. Light
3. O2 concentration
4. CO2 concentration
1. | Pachytene | 2. | Diplotene |
3. | Diakinesis | 4. | Zygotene |
The two functional groups characteristic of sugars are:
1. | Hydroxyl and methyl | 2. | Carbonyl and methyl |
3. | Carbonyl and phosphate | 4. | Carbonyl and hydroxyl |
1. | ATP | 2. | NADH |
3. | NADPH | 4. | Oxygen |
Which among the following is not a prokaryote?
1. Saccharomyces
2. Mycobacterium
3. Nostoc
4. Oscillatoria