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TLS Online TPP Program

#Question id: 15604

The bacteria which cause septicaemia are fast becoming resistant to the antibiotics used for controlling them. Which one of the following explanations fits best?

#SCPH05 I Biotechnology
  1. Each and every individual bacterium, in order to survive, develops a resistance to the antibiotic when exposed to it, and passes that resistance on to future generations.
  2. Only some bacteria, in order to survive, develop a resistance to the antibiotic when exposed to it, and pass that resistance on to future generations.
  3. A few bacteria have a natural heritable resistance to the antibiotic, so they survive when exposed to it, and pass that resistance on to future generations.
  4. All the bacteria have a natural heritable resistance to the antibiotic, so they survive when exposed to it, and pass that resistance on to future generations
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TLS Online TPP Program

#Question id: 79

#SCPH05 I Biotechnology

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?
TLS Online TPP Program

#Question id: 678

#SCPH28 | Zoology

Which is not true about β-sheets?
TLS Online TPP Program

#Question id: 18765

#I Life Science/ Life Sciences Group – I-V

Which of the following is not used for generating an optimal alignment of two nucleotide sequences
TLS Online TPP Program

#Question id: 2951

#SCPH01 Biochemistry

Liver cells are highly specialized, but when the liver is damaged or parts of it are removed surgically, the tissue grows. Liver cells fall into which category of cells?
TLS Online TPP Program

#Question id: 4839

#SCPH12 I Genetics

In Drosophila males there is complete linkage. What is the reason behind this?