In the ABC model of flower development in
Arabidopsis thaliana, sepals form when
gene(s) ____ is(are) switched on.
a. A
b. A and B
c. B and C
d. C
e. A and B and C
A
You might also like to view...
Distinguish between a gene tree and a species tree
What will be an ideal response?
Bacteria group their genes such that they share a single promoter and the mRNA transcript synthesizes several different polypeptides. Collectively, these are referred to as ________ mRNAs, which are part of the operon system
Fill in the blank(s) with correct word
Which event represents the process of releasing chemical mediators?
A. Binding of IgE by the Fc region to mast cells and basophils B. Binding of allergen to adjacent IgE binding sites on mast cells and basophils C. Histamine acting on smooth muscle D. Degranulation E. Prostaglandins causing vasodilation and increased vascular permeability
The Tricarboxylic Acid Cycle serves all of the following functions EXCEPT:
A. It is the major mechanism for the generation of ATP B. It supplies key intermediates for the ultimate synthesis of amino acids, lipids, purines, and pyrimidines C. It is the primary means in both bacteria and eukaryotic cells for the conversion of glucose to pyruvate D. It serves as the final common pathway for the complete oxidation of amino acids, fatty acids, and carbohydrates