For strong hydrogen bond length varies among different secondary structure so which of the following is correctly representing the length of hydrogen bond in alpha helices

TLS Online TPP Program

#Question id: 1163

#Unit 4. Cell Communication and Cell Signaling

β-blockers inhibit an adrenergic receptor found on many cell types in the body, including heart cells. Patients who have arrhythmias (irregular heartbeats) most likely benefit from what downstream action of these drugs?

TLS Online TPP Program

#Question id: 11993

#Unit 10. Ecological Principles

Which of the following statements about light in aquatic environments is correct? 

TLS Online TPP Program

#Question id: 2161

#Unit 2. Cellular Organization

Facilitated diffusion can be distinguished from passive diffusion by

TLS Online TPP Program

#Question id: 4356

#Unit 3. Fundamental Processes

Gene expression is often assayed by measuring the level of mRNA produced from a gene. What level of the control of gene expression can by analyzed by this type of assay?

TLS Online TPP Program

#Question id: 26559

#Unit 3. Fundamental Processes

Which of the following is correct regarding piRNAs

a. piRNAs which are 24–34 nucleotides long

b. It does not involve a dsRNA precursor

c. It involve a dsRNA precursor

d. piRNAs are generated by processing long ss transcripts

e. piRNAs are generated by processing long ds transcripts

f. This processing does require Dicer

g. This processing does not require Dicer