In the Meselson-Stahl DNA replication experiment, what percent of the DNA was composed of one light strand and one heavy strand after one generation of growth in 14N containing growth media?

TLS Online TPP Program

#Question id: 812

#1. Molecules and their Interaction Relevant to Biology

Which of the following is not known to be involved in the process of assisted folding of proteins?

TLS Online TPP Program

#Question id: 11063

#7. System Physiology – Animal

A man inspires 1000 ml from a spirometer. The intrapleural pressure was −4 cm H2O before inspiration and −12 cm H2O the end of inspiration. What is the compliance of the lungs?

TLS Online TPP Program

#Question id: 11298

#10. Ecological Principles

A pyramid of numbers shows _____________.

TLS Online TPP Program

#Question id: 10752

#10. Ecological Principles

Which of the following is an example of Batesian mimicry?

A) a butterfly that resembles a leaf

B) a nonvenomous larva of a moth that moves like a venomous snake

C) a fawn with fur coloring that camouflages it in the forest environment

D) a snapping turtle that uses its tongue to mimic a worm, thus attracting fish

TLS Online TPP Program

#Question id: 23147

#13. Methods in Biology

In fluorescence microscopy why the fluorescence occurs at longer wavelength when there shorter   wavelength of light is applied?