if an individual has only one α gene, the excess β chains form the unusual tetramer b4, which causes

TLS Online TPP Program

#Question id: 18971

#Unit 9. Diversity of Life Forms

The following are all true about the life cycle of mosses except

TLS Online TPP Program

#Question id: 18972

#Unit 9. Diversity of Life Forms

Beginning with the germination of a moss spore, what is the sequence of structures that develop after germination? 

1. Embryo                  2. Gametes 

3. Sporophyte 4. Protonema 

5. Gametophore 

TLS Online TPP Program

#Question id: 18973

#Unit 9. Diversity of Life Forms

Bryophytes may feature all of the following at some time during their existence except 

TLS Online TPP Program

#Question id: 18974

#Unit 9. Diversity of Life Forms

Which feature of cycads distinguishes them from most other gymnosperms? 

1. They have exposed ovules

2. They have flagellated sperm

3. They are pollinated by animals

TLS Online TPP Program

#Question id: 18978

#Unit 13. Methods in Biology

For expression vector 

TLS Online TPP Program

#Question id: 18979

#Unit 13. Methods in Biology

For expression vector Strong and Regulatable Promoters are used which have