Which of the Following Are the Lens-Shaped Pieces of Tissue

question 26

Multiple Choice

Which of the following are the lens-shaped pieces of tissue that are produced in cups on a liverwort thallus and become detached to develop independently?

• A) "leaves"
• B) buds
• C) gemmae
• D) protonemata
• E) None of these answers are correct.

Explain the concept of resonance and its effect on the stability and reactivity of organic molecules.

Understand the reactivity of allylic systems in substitutions and cycloadditions.

Identify the factors that govern the reactivity of different dienes and dienophiles in cycloadditions.

Recognize and predict the effect of substituents on the reactivity and selectivity of organic reactions.