Glucose and fructose
a. form rings with the same number of carbon
atoms.
b. both have two oxygen atoms as part of their
ring structure.
c. are alike in that both have identical
functional groups.
d. contain the same number of hydrogen
atoms and hydroxyl groups.
e. are disaccharides.
D
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What atom is responsible for the formation of free radicals in the mitochondria?
a. Calcium b. Hydrogen c. Sodium d. Iron e. Potassium
How does a plant's cuticle allow it to live on land?
A. By increasing structural support B. By preventing the gametes from drying out C. By preventing water loss D. By absorbing nutrients from the soil
A large watermelon fruit is very heavy and contains nearly 90% water. Since the skin of a watermelon is thick and lacks stomata, transpiration does not "pull" water into the watermelon. So, how does all that water get into the fruit?
A. Water enters by osmosis from the soil. B. Water is transported in the phloem along with the sugars while they are being translocated into the fruit. C. Root pressure pushes water into the watermelon. D. Water is pumped in by active transport. E. Watermelons, like other fruit, contain an abundance of xylem.
How do mutations affect genetic diversity in a population?
What will be an ideal response?