What event marks the end of zygotene?
a) the beginning of genetic recombination
b) the end of synapsis
c) the start of metaphase
d) the formation of the synaptonemal complex
e) the beginning of synapsis
Ans: b) the end of synapsis
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You are looking at a plant and you notice that the major veins in its leaves are parallel to the middle vein, its vascular bundles are distributed throughout the stem, and only one leaf attaches to any of the nodes. You are looking at a:
A. eudicot. B. monocot. C. polycot. D. succulent. E. grass.
Which receptor type helps a gymnast to know when to unfold from a back flip?
a. mechanoreceptors b. photoreceptors c. chemoreceptors d. thermoreceptors e. nociceptors
In 1990, a small herd of white-tailed deer migrated into a new environment. Research indicated that the herd has reproduced exponentially with a doubling time of 5 years. It was estimated that this herd would reach its carrying capacity by 2005. In what year would the herd be "half way" to its carrying capacity? Explain
What will be an ideal response?
Which feature would be the least useful in determining if a protist were a close relative of plants?
A. Capacity for photosynthesis B. Plasmodesmata between cells C. Cellulose cell walls D. Enzymes for ATP production