If a plant is infected with Rhizobium, what is the probable effect on the plant?
a) It gets chlorosis.
b) It probably will grow faster
c) It dies.
d) It is supplied with phosphate from the soil.
e) It becomes flaccid due to the loss of water from the roots
Answer: b) It probably will grow faster
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Does the empirical formula for carbohydrates convey any structural information?
a. It may convey structural information for ringed carbohydrates. b. No. c. It may convey structural information for branching chained carbohydrates. d. None of the above.
Chloroplasts of red algae may have evolved from ancient endosymbiotic ____
a. cyanobacteria b. dinoflagellates c. apicomplexans d. archaeans e. nitrifying bacteria
How does GIFT differ from IVF?
A. Fertility drugs are used to obtain the eggs. B. A woman is contracted and paid to carry the baby. C. The eggs and sperm are placed in the oviducts immediately after being brought together. D. A single sperm is injected into an egg. E. The sperm comes from a stranger.
In human females, what process causes milk production?
A. Stimulation of the alveoli of the mammary glands by prolactin from the anterior pituitary gland B. Stimulation of the alveoli of the mammary glands by oxytocin from the posterior pituitary gland C. Stimulation of the alveoli of the mammary glands by prolactin from the posterior pituitary gland D. Stimulation of the alveoli of the mammary glands by LH from the anterior pituitary gland E. Stimulation of the alveoli of the mammary glands by oxytocin from the anterior pituitary gland