The human genome contains about ________ bp of DNA.

TLS Online TPP Program

#Question id: 29093

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services

I-Elton’s hypothesis

II-rivet hypothesis

III-Redundancy hypothesis

IV-Keystone hypothesis

V-Idiosyncratic hypothesis

a) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

b) Community services change as the number of species increases or decreases

c) there is a linear correlation between species richness and community services

d) species is an organism that helps hold the system together

e)Some species play a small but critical role in keeping the plane

Correctly match the following hypothesis with their correct  prediction;

TLS Online TPP Program

#Question id: 15476

#Unit 13. Advances in Biotechnology

Industrial production of amino acids are done because they are used extensively in the 

1. flavor enhancers

2. Fabric

3. nutritional supplements

4. feed additives

5. medicine 

Choose the most appropriate option

TLS Online TPP Program

#Question id: 15477

#Unit 13. Advances in Biotechnology

Why these metabolites are manufactured by microbial fermentation rather than chemical synthesis 

TLS Online TPP Program

#Question id: 15478

#Unit 13. Advances in Biotechnology

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

TLS Online TPP Program

#Question id: 15479

#Unit 13. Advances in Biotechnology

Out of the following what usually supports the fastest growth rate and is therefore considered the preferred nitrogen source for E. coli

TLS Online TPP Program

#Question id: 15480

#Unit 13. Advances in Biotechnology

Feedback repression involves the turning “off” of enzyme synthesis when the amount of the product has been made in sufficient quantities. The end product of the pathway acts as