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TLS Online TPP Program

#Question id: 19178

Touch-down PCR is another modification. Its characteristics include:

#Unit 13. Methods in Biology
  1. Lowering the temperature for primer annealing
  2. Primer annealing is done at higher temperatures initially
  3. The temperature is abruptly reduced in the second cycle
  4. In earlier cycles less stringent conditions are there and in later cycles, more stringent conditions are there
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TLS Online TPP Program

#Question id: 5294

#Unit 8. Inheritance Biology

Interrupted mating experiments were performed using three different Hfr strains (1-3). The three strains have different combinations of selectable markers. The time of entry for markers for each strain is shown is shown in the table given.

Hfr 1

Phe

(5)

Trp

(35)

Met

(50)

Ala

(52)

Hfr 2

Trp

(2)

Val

(12)

His

(57)

Pro

(87)

Hfr 3

Ala

(10)

Met

(12)

Val

(37)

Phe

(57)

Using the above data, predict the correct sequence of markers on the E. coli chromosome
TLS Online TPP Program

#Question id: 11752

#Unit 7. System Physiology – Animal

Which of the following substances enhances the sensitivity of pain receptors but does not directly excite them?
TLS Online TPP Program

#Question id: 28790

#Unit 2. Cellular Organization

Profilin can bind proteins with sequences rich in which amino acid residue?
TLS Online TPP Program

#Question id: 1765

#Unit 4. Cell Communication and Cell Signaling

Low amounts of antigen:
TLS Online TPP Program

#Question id: 12575

#Unit 10. Ecological Principles

All of the following are adaptations that permit the camel to be active by day in the desert EXCEPT