In the ABC model of flower development in Arabidopsis thaliana, sepals form when which gene(s) is/are switched on?

A. A only
B. A and B
C. B and C
D. C only
E. A and B and C


Answer: A

Biology & Microbiology

You might also like to view...

Which group of organisms is thought to be responsible for the corrosion of submerged metal structures and oil pipelines?

A) fermentative microorganisms B) acidophilic iron-oxidizers C) sulfate reducers D) hydrocarbon-degrading anaerobes

Biology & Microbiology

The ability of glucose to repress the lac operon depends on which of the following effector molecules?

A. allolactose B. cAMP C. tryptophan D. ADP E. starch

Biology & Microbiology

Viruses are simple, noncellular, and lack mRNA.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which of the following substances is NOT produced at some point during glycolysis?

a. ADP b. ATP c. NAD+ d. NADH e. pyruvic acid

Biology & Microbiology