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TLS Online TPP Program
#Question id: 3794
#XL - Q Biochemistry
An input of energy is not required for which of the following steps of replication?
TLS Online TPP Program
#Question id: 2141
#XL - S Microbiology
Facilitated diffusion through a biological membrane is:
TLS Online TPP Program
#Question id: 12938
#XL - S Microbiology
What is the main advantage of using Yeast Artificial Chromosome based vector over other vectors?
1. It has ability to clone very large fragments of DNA.
2. YAC vectors do not contain origin of replication sites
3. It has insert range up to 2000 kb.
4. It help in genome mapping and sequencing projects.
TLS Online TPP Program
#Question id: 5242
#XL - S Microbiology
Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?
TLS Online TPP Program
#Question id: 15478
#XL - S Microbiology
Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as