Which of the following statements is not true about phloem transport of sugars?
A. Active transporters move the sucrose into
the phloem.
B. Removing sugars from phloem increases
turgor pressure at the sink.
C. Increased sugar concentration causes
water to flow into the sieve tube.
D. Sugars are transported out of the phloem
at the sink.
E. Loading of sugars at the source is
powered by ATP.
B
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Which of the following statements about spores is incorrect?
A. Both sexual and asexual spores are produced by meiosis. B. Both sexual and asexual spores allow for dispersal to new areas. C. Asexual spores are genetically identical to the parent, whereas sexual spores are not. D. Fungal species vary in their reliance on asexual versus sexual spore production. E. Spore production is triggered in part by a shortage of resources.
A gene for sweat gland production is found on the X chromosome. If a man who lacks sweat glands marries a woman who has normal sweat glands, what will be the phenotype of their children?
A. All of the boys will lack sweat glands. B. All of the girls will lack sweat glands. C. The girls will have sweat glands in some areas, but lack sweat glands in others. D. All of the boys will have sweat glands. E. All the boys will have sweat glands, and the girls will have sweat glands in some areas but not others.
The outer layer of the skin is composed of protective____ epithelium
a. simple squamous b. simple cuboidal c. stratified columnar d. simple columnar e. stratified squamous
To research health conditions on your own, what source is best?
Internet sites selling products to help improve your health An Internet forum where someone with no scientific or medical training writes an article Articles found in medical literature All of the above