Biology, 05.07.2019 07:30 lexijeppesen4533
Which describes the sodium-potassium pump and its relation to concentration gradients that exist across the cell membrane? (select all that apply.) it uses the energy in a sodium concentration gradient. it uses the energy in a potassium concentration gradient. it creates a sodium concentration gradient. it creates a potassium concentration gradient.
Answers: 1
Biology, 22.06.2019 08:10
Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees
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Biology, 22.06.2019 10:00
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.
Answers: 1
Biology, 22.06.2019 11:30
Which structure in the cardiovascular system connect arteries to veins?
Answers: 1
Biology, 22.06.2019 15:30
What property of water provides for appropriate sugar, salt, and amino acid levels to be present and carried in the blood of animals to be delivered to cells
Answers: 1
Which describes the sodium-potassium pump and its relation to concentration gradients that exist acr...
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