Biology, 02.08.2019 07:10 Student3220
What part of the gi tract prevents a person from choking while swallowing? a. pyloric sphincter b. epiglottis c. upper esophageal sphincter d. mouth?
Answers: 1
Biology, 22.06.2019 14:00
Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?
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Biology, 23.06.2019 01:20
Which of the following situations are occurring when a red flower (rr) and a white flower (ww) produce a pink flower? a.multiple alleles b.incomplete dominance c.codominance
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Biology, 23.06.2019 04:31
Which is not a reason to gentically modify an organism? a.changing the dna of a crop plant to make it resistant to pesticides b.changing the dna of a crop plant to make it produce more yield per acre c.changing the dna of a crop plant to make it resistant to insects d.changing the dna of a crop plant to make it more susceptible to pest insects
Answers: 2
What part of the gi tract prevents a person from choking while swallowing? a. pyloric sphincter b....
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