Biology, 21.12.2019 01:31 snikergrace
Determine the sequence of the following events in a cell after exposure of the cell to a chemical signal.
(1) increased synthesis of a protein
(2) the chemical signal combined with a cytoplasmic receptor
(3) an increase in the nuclear concentration of the chemical
(4) an increase in mrna synthesis
(5) genes are activated
Answers: 2
Biology, 21.06.2019 20:00
The phylogeny chart shows the evolution of camels. camelus is the modern-day camel. based on this chart, which three statements are true? β modern camels are more related to stenomylus than to eschatius. β stenomylous and modern camels do not share a common ancestor. β modern camels are more related to camelops than to aepycamelus. β pliauchenia and oxydactylus may share similar features. β procamelus and stenomylous may share similar features.
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 cellaβs eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
Answers: 1
Determine the sequence of the following events in a cell after exposure of the cell to a chemical si...
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