Plant height of wild Solanum nigrum is controlled by polygene. A pure line plant with 60 cm height was cross to pure line plant having 20 cm height .All F1 plant having uniform height 40 cm. F1 plant was allowed to self-fertilization to produced 4/64 proportional of F2 plant having height 20 cm . What is number of polygene governing plant height?

TLS Online TPP Program

#Question id: 14970

#Unit 2. Cellular Organization

A research lab is trying to produce new antibiotics. They come up with drugs that detach the hydrophilic heads from the phospholipids in plasma membranes. This drug

TLS Online TPP Program

#Question id: 14971

#Unit 2. Cellular Organization

Bacillus and Clostridium are medically relevant groups of bacteria that characteristically stain 

TLS Online TPP Program

#Question id: 14972

#Unit 2. Cellular Organization

Although O side chains are readily recognized by host antibodies, gram negative bacteria may thwart host defenses by 

TLS Online TPP Program

#Question id: 14976

#Unit 2. Cellular Organization

Plasmids are not required for host growth and reproduction, although they may carry genes that give their bacterial host a selective advantage. Plasmid genes can render  bacteria 

1. Drug-resistant 

2. Give new metabolic abilities 

3. Make them pathogenic

Which among the following combinations is correct?

TLS Online TPP Program

#Question id: 14977

#Unit 2. Cellular Organization

Careful electron microscopic studies often have shown the nucleoids are present in contact. Thus bacterial DNA is attached to

TLS Online TPP Program

#Question id: 14978

#Unit 2. Cellular Organization

Inclusion bodies are enclosed by a membrane about 2.0 to 4.0 nm thick, which is single-layered and not a typical bilayer membrane. They are 

1. Poly β hydroxybutyrate granules

2. cyanophycin granules

3. Glycogen granules

4. Sulfur granules

5. Gas vacuoles

6. Polyphosphate granules

Which option is having correct combinations?