Biology, 04.01.2020 01:31 michellermccarty
One difference between human cheek cells and onion cells is: 1. the presence of cytoplasm 2. the absence of a nucleus in the plant cells 3. the absence of a cell wall in human cells 4.none of the above
Answers: 3
Biology, 21.06.2019 17:00
The construction of phylogenetic trees is a mapping out the proposed divisions and common ancestors of all living species. traditionally, these trees have been built using morphological data, such as appearance and embryology. recently, it has been possible to construct these trees using molecular data. phylogenetic trees based on different types of information agree with each: that there is strong evidence of a real underlying common descent. this phylogenic tree is composed based on molecular data (rrna). what statements can we infer are true about the organisms throughout the tree? because the tree is rooted, all branches share a common ancestor. all organisms have some sort of cellular structure/organization. all eukaryotes evolved from bacteria. since the organisms contain rna, they share the same dna. if the organisms contain rna, the share the same four nitrogen bases.
Answers: 1
Biology, 22.06.2019 15:50
Which individual below would be considered heterozygous? a.dd b.dd c.dd
Answers: 2
Biology, 22.06.2019 16:00
Which statement describes the punctuated equilibrium theory?
Answers: 1
Biology, 22.06.2019 17:00
Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant
Answers: 2
One difference between human cheek cells and onion cells is: 1. the presence of cytoplasm 2. the ab...
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