Practice Questions

TLS Online TPP Program

#Question id: 749

Which of the following is correct for the A form of DNA structures?

#Unit 1. Molecules and their Interaction Relevant to Biology

a wider than B form.
more compressed structure in which the base pairs are tilted with respect to the helix axis, and actually lie off the axis.
The helical repeat of the A-form is around 11 bp/turn
All of the above are correct.

More Questions

#Question id: 3439

#Unit 11. Evolution and Behavior

Male insects attempt to mate with orchids but eventually stop responding to them. What term best applies to this behavior?

#Question id: 19789

#Unit 13. Methods in Biology

#Question id: 11452

#Unit 7. System Physiology – Animal

A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.

#Question id: 5021

#Unit 11. Evolution and Behavior

Most dinosaurs and pterosaurs become extinct at the close of the __________ era.

#Question id: 23302

#General Aptitude