The process in which carbon from an inorganic source, such as carbon dioxide, gets incorporated into an organic molecule is called ____________.
A. carbon fixation
B. the Calvin–Benson cycle
C. light-dependent reaction
D. metabolic regeneration
E. phosphate-group transfer
Answer: A
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For a mineral nutrient to get to the leaves, it must make it to the plant xylem. Which layer would the
nutrient need to traverse in a dicot? What will be an ideal response?
Secondary growth occurs as a result of the activity of which two lateral meristems?
a. vascular cambium and cork cambium b. apical meristem and cork cambium c. primary meristem and secondary meristem d. periderm and cork cambium e. apical meristem and vascular cambium
A storm strips an island in Lake Superior down to bare rock. The first organisms to recolonize the island are most likely
A) blueberries. B) balsam firs. C) junipers. D) yarrow. E) lichens.
Answer the following questions true (T) or false (F)
1. Ciliates often have two kinds of nuclei that have different functions. 2. In fungi, aseptate hyphae are coenocytic by definition. 3. Algae can have different types of photosynthetic pigments that allow them to photosynthesize at various depths in water.