Biology, 16.02.2020 21:48 whitethunder05
Which of the following correctly orders part of a fish respiratory system from the least complex to most complex
A. cells - gills- tissues
B. cells- tissues- gills
c. gills- tissues- cells
D. tissues - gills- cells-
Answers: 3
Biology, 21.06.2019 15:00
In familial hypercholesterolemia individuals homozygous for the allele causing the disorder completely lack receptors on liver cells that take up cholesterol from the blood stream. heterozygous have one-half the number of receptors while individuals homozygous for the normal allele are phenotypically normal. this is an example of a.epistasis b.complete dominance c. incomplete dominance d. codominance
Answers: 2
Biology, 22.06.2019 03:50
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
Answers: 1
Biology, 22.06.2019 07:00
Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms
Answers: 2
Which of the following correctly orders part of a fish respiratory system from the least complex to...
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