33. Plant Anatomy

Which of the following is an important exception to the central dogma of molecular biology?

a. Many genes code for RNAs that function directly in the cell.

b. DNA is the repository of genetic information in all cells.

c. Messenger RNA is a short-lived 'information carrier.

d. Proteins are responsible for most aspects of the phenotype.

Researchers design experiments so that only one thing is different between the treatments that are being compared. In the Hershey–Chase experiment, what was this single difference?

Describe the general function of the shoot and the general function of the root system. Which tissues are continuous throughout these two systems?

Suggest a hypothesis to explain why the shoot and root systems of different species are so variable in size and shape.

The root pericycle is the site where

a. Secondary growth originates.

b. Root hairs originate.

c. Lateral roots originate.

d. The endodermis originates.

Root apical meristems are found

a. Only in taproots.

b. Only in lateral roots.

c. Only in adventitious roots.

d. In all roots.

What does the cuticle do?

What do stomata do?

Predict how the thickness of the cuticle and the number of stomata differ in plants from wet habitats versus dry habitats.

Identify the structure you are consuming when you eat each of the following: Asparagus, Brussels sprouts, celery, spinach, carrots, and potatoes.

A strawberry plant mutant that fails to make stolons would suffer from

a. Too little mineral absorption.

b. A tendency to topple over.

c. Too little water absorption.

d. A reduction in asexual reproduction