Based on the data in Figure 38-1, the condition that results in root development is:

a. a high ratio of auxin to cytokinin.
b. a low ratio of auxin to cytokinin.
c. a relatively equal proportion of auxin to cytokinin.
d. cytokinin levels of at least 0.2 mg/L.
e. auxin concentrations of 0.5 mg/L.


A

Biology & Microbiology

You might also like to view...

Four of the five answers listed below are related by their description of enzyme properties. Select the

exception. a. cofactors b. active sites c. reusable d. substrate e. catalyst

Biology & Microbiology

Two-thirds of the plasma proteins are

a. chitin. b. keratin. c. elastin. d. albumin. e. glycoproteins.

Biology & Microbiology

Tumor blood vessels are ____ with an irregular shape.

a. dilated b. stretched c. shaped d. none of the above

Biology & Microbiology

In feedback inhibition of a metabolic pathway, where does the inhibitor bind?

A. to a substrate or the product of the last reaction B. to the enzyme of the first reaction C. to the enzyme of the last reaction D. to the substrate of the first reaction E. to the product of the first reaction

Biology & Microbiology