Which of the following statement(s) is (are) true of the α subunit of a G protein?

a. It physically associates with the receptor.              

b. It binds GDP.

c. It binds GTP.                     

d. It is a transmembrane protein.

#Question id: 3565

#Section 3: Genetics, Cellular and Molecular Biology

Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an F2 generation. The results were as follows: 6,022 yellow and 2,001 green. Which of the following statements correctly describes the relationship of the allele for green seeds to the allele for yellow seeds?

#Question id: 15556

#Section 1: Engineering Mathematics

The value of the determinant

#Question id: 3357

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements about speciation is NOT true?

#Question id: 14140

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

#Question id: 631

#Section 2: General Biology

Two curves showing the rate versus substrate concentration are shown below for an enzyme-catalyzed reaction. One curve is for the reaction in the presence of substance X. The other curve is for data in the absence of substance X. Examine the curves and tell which statement below is false.