The only diploid cell of the life cycle of basidiomycetes is produced within the basidium by
A. ascus bursting.
B. mitosis.
C. budding.
D. karyogamy.
E. meiosis.
Answer: D
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True or false:
_____ The nervous systems of all animals are organized into peripheral and central components. _____ The PNS consists only of sensory neurons. _____ All neurons have either a sensory or motor function. _____ All neuronal cell bodies are either in the brain or spinal cord. _____ All nervous system responses involve input from the brain. _____ The organization of the human nervous system is completely different from that of other vertebrates. What will be an ideal response?
Plants transport water to their leaves through the xylem when water evaporates from the leaves. The evaporating water pulls other water molecules up the xylem through ____ .
A. Hydrophobic interactions B. Ionic bonds C. Covalent bonds D. Hydrogen bonds
List the eight key components of the flowering plants life cycle.
What will be an ideal response?
The common characteristic of Alveolata is
A. silica covering. B. funnel-shaped, contractile collar. C. a single, unique mitochondria. D. presence of a plasmodium. E. a layer of flattened vesicles beneath the plasma membrane.