Which represents the backbone of a protein?

Note: R = amino acid side chain

N = nitrogen

Cα = alpha carbon

C = carbonyl carbon

TLS Online TPP Program

#Question id: 11209

#Part-B Specialized Branches in Biotechnology

Acetylcholine released into the junction between a motor neuron and a skeletal muscle binds to a sodium/potassium channel and opens it. This is an example of ________.

TLS Online TPP Program

#Question id: 12190

#Part-B Specialized Branches in Biotechnology

CDK activity is modulated by the following proteins:

(a) cyclin, (b) CAK, (c) Wee1,  (d) p21. Following protein act as:

I. Inhibitory kinase

II. CKI Family of proteins

III. Activatory kinase

IV. Regulatory subunit

Which of the following is correct?

TLS Online TPP Program

#Question id: 13030

#Part-A Aptitude & General Biotechnology

The mutation in Vir F will cause the interference in –

TLS Online TPP Program

#Question id: 16487

#Part-B Specialized Branches in Biotechnology

Few limitations regarding organ culture 

It can be maintained only for a few months

Not suitable for biochemical and molecular analyses

For each study, fresh organ cultures have to be initiated

It denatures very easily

Which of the above statements are correct? 

TLS Online TPP Program

#Question id: 11201

#Part-A Aptitude & General Biotechnology

Why are action potentials usually conducted in one direction?