Question

plants gather energy with light - absorbing molecules called? *
○ chlorophyll pigments
○ thylakoids
○ atp
○ glucose
a student conducted an investigation on fermentation. yeast, molasses, and water were combined in a fermentation tube and left for several hours at room temperature. the results are shown.
which substance would most likely be found in the greatest amount in area x?
○ o2
○ c6h12o6
○ co2
○ h2o

Explanation:

1. First question: Cellular respiration uses oxygen and releases carbon - dioxide, while photosynthesis uses carbon - dioxide and releases oxygen. So cellular respiration removes oxygen from the atmosphere and photosynthesis adds oxygen to the atmosphere.
2. Second question: Plants gather energy with light - absorbing molecules called chlorophyll pigments. Thylakoids are structures in chloroplasts, ATP is an energy - carrying molecule, and glucose is a product of photosynthesis.
3. Third question: Yeast undergoes fermentation in the absence of oxygen. Fermentation of yeast produces carbon - dioxide gas. So the gas in area X is most likely carbon - dioxide.

Answer:

1. Cellular respiration removes oxygen from the atmosphere, while photosynthesis adds oxygen to the atmosphere.
2. Chlorophyll pigments
3. CO2