The atoms that participate in the hydrogen bonding of triplex DNA, are often referred to as Hoogsteen positions are as

TLS Online TPP Program

#Question id: 2585

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the correct sequence that describes the excitation and contraction of a skeletal muscle fiber?

A. Tropomyosin shifts and unblocks the cross-bridge binding sites.

B. Calcium is released and binds to the troponin complex.

C. Transverse tubules depolarize the sarcoplasmic reticulum.

D. The thin filaments are ratcheted across the thick filaments by the heads of the myosin molecules using energy from ATP.

E. An action potential in a motor neuron causes the axon to release acetylcholine, which depolarizes the muscle cell membrane.

TLS Online TPP Program

#Question id: 1548

#Unit 4. Cell Communication and Cell Signaling

B-cell survival in the follicle is dependent on?

TLS Online TPP Program

#Question id: 18647

#Unit 13. Methods in Biology

Which of the following technique used discontinuous type gel system

TLS Online TPP Program

#Question id: 18988

#Unit 13. Methods in Biology

which is used primarily for the identification of potential eukaryotic gene regulatory elements, such as promoters and enhancers.  

TLS Online TPP Program

#Question id: 27119

#Unit 4. Cell Communication and Cell Signaling

There is a difference between normal cell proliferation and tumor cell proliferation; (N=nucleus, C=cytoplasm)