Biology, 03.12.2019 18:31 dakotaadkins20
Aresearcher has sectioned a mouse embryo and has noticed that certain muscle components (especially myosin) aggregate around the early-stage cartilage of the ribs. which of the following is true of these presumptive muscles?
a. since they associate with the ribs, these muscles are likely developing intercostal muscles.
b. since they associate with the ribs, these muscles are likely developing intercostal muscles. as a result, these muscles (when fully developed) will to regulate the volume of the mouse's thoracic cavity.
c. these muscles (when they are fully developed) will to regulate the volume of the thoracic cavity.
d. since they associate with the ribs, these muscles are likely components of the diaphragm.
e. these muscles likely only serve a supportive role for the ribs and will play no role in breathing.
Answers: 3
Biology, 21.06.2019 17:30
Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.
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Biology, 22.06.2019 12:50
Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution
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