The A260/A280 ratio of a double-stranded DNA sample can be used to assess its purity. The value for the pure DNA is ----------------

TLS Online TPP Program

#Question id: 10979

#SCPH06 I Botany

Which of the following conditions at the A-V node will cause a decrease in heart rate?

TLS Online TPP Program

#Question id: 3848

#SCPH01 Biochemistry

are small molecules that function as adapters between amino acids and codons.

TLS Online TPP Program

#Question id: 13039

#SCPH05 I Biotechnology

 Which of the following is incorrect about a microarray?

TLS Online TPP Program

#Question id: 696

#SCPH05 I Biotechnology

An alpha helix would be destabilized most by:

TLS Online TPP Program

#Question id: 10809

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

Sieve element sap is rich in sugars and other organic molecules, These molecules represent an energy investment for the plant. How their loss be prevented when sieve elements are damaged?