Which ion is pumped into guard cells in order to make them more flaccid?
a. Na+
b. Ca2+
c. K+
d. H+
Ans: d. H+
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Based on the descriptions of dandelions and weeds in general, they would be considered
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If the cilia on Bob's inner ear hair cells are damaged, what can be done to improve Bob’s hearing, other than a hearing aid?
Hair cells are delicate sensors of sound, movement, and gravity. Since they are stimulated by movement of the stereocilia and kinocilium, these structures are vulnerable to damage when stimulus is too strong or sustained. A. transgenic expression of a cilia protein B. minoxidil treatment C. injection of microtubules into the cochlea D. not much – there is currently no drug that can regenerate hair cells
All vertebrates have an __________ system of secretory glands and cells. Fill in the blank(s) with the appropriate word(s)
The autosomal (not X-linked) gene for brachydactyly, short fingers, is dominant to normal finger length. Assume that a female with brachydactyly in the heterozygous condition is married to a man with normal fingers
What is the probability that (a) their first child will have brachydactyly? (b) their first two children will have brachydactyly? (c) their first child will be a brachydactylous girl?