What hormone is tested for in pregnancy tests?
A. estrogen hormone
B. luteinizing hormone
C. follicle stimulation hormone
D. progesterone hormone
E. hCG hormone
E. hCG hormone
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Some species of orchids attract pollinating Hymenoptera (bees and wasps) with flowers that closely mimic the appearance of a female insect. As the male attempts to mate with the flower, he becomes loaded with pollen, helping the plant to reproduce. If one of these orchid plants acquired a loss-of-function mutation in a CYCLOIDEA-like gene, what do you predict might happen?
A. The mutation would quickly spread through the population. B. The mutant plants would have fewer available resources to devote to nectar production. C. The mutant plants would attract larger numbers of pollinating male insects. D. The mutation would fail to spread in the population. Clarify Question What is the key concept addressed by the question? What type of thinking is required? What do you already know about insects as pollinators? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Hyperprolactinemia may be caused by ________
Fill in the blank(s) with the appropriate word(s)
Until recently, protists have been classified according to observable traits such as modes of nutrition and mechanisms of movement. What is the basis for modern protist classification?
a. their evolutionary relatedness b. their similarity to plants c. their cell wall types d. their types of life cycles
Using the figure for a reference, Bacteria is 100 times larger compared to an atom?
a. true
b. false