A 75-year-old man goes to the hospital emergency department and faints. Five minutes later he is alert. An EKG shows 75 P waves per minute and 35 QRS waves per minute with a normal QRS width. Which of the following is the likely diagnosis?

#Question id: 10716

#10. Ecological Principles

The stability of a food web in a community is quantified using certain parameters which are defined below. Which of the following is an CORRECT representation?

A. Community with more complex is more stable

B. Community with more number of alternate is more stable

C. Stability of community is inversely proportional to Connectance 

D. Community with higher value of dominax index is more stable

#Question id: 11913

#10. Ecological Principles

During the rate of succession several factors would be observe at the pioneer as well as climax community;

Match the community stages with its given characters;

#Question id: 312

#1. Molecules and their Interaction Relevant to Biology

The type of molecules that forms the aggregate through a self-assembly process which is driven by the hydrophobic effect is _______

#Question id: 1581

#4. Cell Communication and Cell Signaling

An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?

#Question id: 582

#1. Molecules and their Interaction Relevant to Biology

When two different substrates react to form two different products, the rate constants for each separate substrate can be determined by