#Question id: 14393
#Section 1: Engineering Mathematics
If the system of equations 2x + 3y + 5 = 0, x + ky + 5 = 0, kx — 12y — 14 = 0 has non-trivial solution, then the value of k is
#Question id: 1090
#Section 3: Genetics, Cellular and Molecular Biology
Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane?
#Question id: 2151
#Section 2: General Biology
Which of the following statement(s) is (are) true of transmembrane proteins?
a. All contain a hydrophobic α helix.
b. Some serve as membrane attachment sites for peripheral membrane proteins.
c. Some contain more than one membrane-spanning domain.
d. All are asymmetrically oriented in the lipid bilayer.
#Question id: 13067
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
#Question id: 3318
#Section 3: Genetics, Cellular and Molecular Biology
When members of a metal- torerant and metal sensitive species that initially occupied the same habitat within the same range diverge into two species due to starting to show a change in their flowering season. This process known as