The Harsh Winter of 1609-1610 Killed What Fraction of the English

question 19

Multiple Choice

The harsh winter of 1609-1610 killed what fraction of the English settlers in Jamestown?

• A) 7 out of 10
• B) 3 out of 8
• C) 5 out of 8
• D) 7 out of 8

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Definitions:

Phosphoglyceraldehyde (PGAL)

A three-carbon sugar molecule involved in the Calvin cycle of photosynthesis and also in glycolysis, a key step in cellular respiration.

Sugar Production

The process of extracting or synthesizing sugar from various sources for consumption.

Engelmann's Experiment

An experiment by Theodor Engelmann using a prism and algae to demonstrate the wavelength of light that photosynthesis is most efficient.

Accessory Pigments

Pigments in plants and algae that capture light energy and pass it to chlorophyll during photosynthesis, extending the range of light wavelengths that can be used.