Practice Questions

TLS Online TPP Program

#Question id: 2620

Which option is correct about catabolite activator protein binds as

#Unit 2. Cellular Organization

Tetramer to a site similar in length to that of the lac operator
This site is located some 60 bp upstream of the start site of transcription
When CAP binds to that site, the activator helps polymerase bind to the operator
This cooperative binding stabilizes the binding of polymerase to the promoter

More Questions

TLS Online TPP Program

#Question id: 3951

#Unit 3. Fundamental Processes

Which cytoplasmic fibrils are most like the nuclear lamins?

TLS Online TPP Program

#Question id: 5766

#Unit 8. Inheritance Biology

Turner syndrome in humans is caused by which chromosomal conditions?

TLS Online TPP Program

#Question id: 493

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following substrates cannot contribute to net gluconeogenesis in mammalian liver?

TLS Online TPP Program

#Question id: 3933

#Unit 3. Fundamental Processes

A gene contains two 100 bp introns and three 50 bp exons. About how long is the mature RNA transcribed from this gene?

TLS Online TPP Program

#Question id: 10426

#Unit 6. System Physiology – Plant

low-fluence responses (LFRs) another set of phytochrome responses, which include;

a) It can be initiated when fluence reaches 1.0 µmol m–2, and they are saturated at about 1000 µmol m–2

b) promotion of lettuce seed germination

c) inhibition of hypocotyl elongation and regulation of leaf movements

d) It also inhibits the growth of the mesocotyl

Which of the following combinations is correct for LFRs?