We Typically Think of Angiosperms When We Consider Double Fertilization

question 21

Multiple Choice

We typically think of angiosperms when we consider double fertilization, but in which of the following gymnosperms does double fertilization occur?

• A)monocots
• B)cycads
• C)conifers
• D)ginkgos
• E)gnetophytes

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Definitions:

Base-promoted Hydrolysis

A chemical reaction where a base speeds up the hydrolysis process, commonly involving cleavage of bonds by the addition of water.

Fats

Molecules composed of triglycerides that are solid at room temperature, commonly found in animals and some plants, and serve as a major energy source.

Oils

Organic substances that are liquid at room temperature and are insoluble in water but soluble in organic solvents.

Fatty Acid Structures

The molecular arrangement of fatty acids, which typically consist of long hydrocarbon chains with a terminal carboxylic acid group; can be saturated or unsaturated.