Biology, 06.11.2019 19:31 ethanm2685
Correctly identify each of these definitions or examples as either depolarization or hyperpolarization of the plasma membrane. 1. decrease in the membrane potential 2. inside of the cell becomes more positive 3. an increase in the extracellular concentration of potassium 4. increase in the membrane potential 5. inside of the cell becomes more negative 6. a decrease in the extracellular concentration of potassium 7. an increase in the number of sodium leak channels
Answers: 3
Biology, 22.06.2019 01:30
The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?
Answers: 1
Biology, 22.06.2019 09:10
Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.
Answers: 1
Biology, 22.06.2019 09:30
You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.
Answers: 1
Correctly identify each of these definitions or examples as either depolarization or hyperpolarizati...
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