Introns are found only in prokaryotic genomes
Indicate whether the statement is true or false
FALSE
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Ovulation is the follicular response to a burst of secretion of _____
A) luteinizing hormone (LH) B) progesterone C) inhibin D) prolactin E) estradiol
Answer the following statements true (T) or false (F)
1. Most plants transport sucrose over long distances through the xylem. 2. Vessels of the xylem are dead cells and therefore can transport water and minerals upward in the plant. 3. The Casparian strip prevents apoplastic movement through epidermal cells. 4. Plants that grow in salt marshes must have a mechanism for coping with potential osmotic stress in their cells. 5. When plants take up water and minerals these must pass through both a cell wall and a membrane.
Helicase ________.
A. supercoils DNA B. unwinds RNA C. winds RNA D. unwinds DNA
In Morgan's experiments, the white eye allele in Drosophila was shown to be
A. located on the Y chromosome. B. located on an autosome. C. dominant. D. located on the X chromosome. E. codominant.