The respiratory passageways have smooth muscle in their walls. Which of the following best describes the effect of acetylcholine and epinephrine on the respiratory passageways?

#Question id: 5724

#Part-A Aptitude & General Biotechnology

Species I is diploid (2n  = 8) with chromosomes

AABBCCDD; related species II is diploid (2n = 8) with chromosomes MMNNOOPP. Individuals with the following sets of chromosomes represent what types of chromosome mutations?

A-   AAABBCCDD        B-   AABBCCDDMNOP

C-   AAABBCCDDD

#Question id: 11554

#Part-B Specialized Branches in Biotechnology

What happens in a cell when adenylyl cyclase is activated?

#Question id: 18703

#Part-A Aptitude & General Biotechnology

If the weight of 1 mol bp is 660g What will the no. of moles in 4 х 10⁶ bp

#Question id: 4728

#Part-A Aptitude & General Biotechnology

The genotype r/r ; p/p gives fowl a single comb, R/– ; P/– gives a walnut comb, r/r ; P/– gives a pea comb, and R/– ; p/p gives a rose comb. Which of the following parental genotype would produce 3/8 Walnut comb, 1/8 pea comb, 3/8 rose comb and, 1/8 single comb?

#Question id: 1573

#Part-B Specialized Branches in Biotechnology

Which cells and which signaling molecules are responsible for initiating an inflammatory response?