How do changes in histone modifications lead to changes in chromatin structure?
(a) They directly lead to changes in the positions of the core histones.
(b) They change the affinity between the histone octamer and the DNA.
(c) They help recruit other proteins to the chromatin.
(d) They cause the histone N-terminal tails to become hyperextended.
(c)
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Due to ____, trophic level affects the pollutant concentration in an organism’s tissues
a. bioaccumulation b. biological magnification c. ecosystem degradation d. the ozone layer
e. ground-level ozoneThe production of ATP in the mitochondria requires ____
a. ribosomes b. oxygen c. carbon dioxide d. vesicles e. DNA
Compare and contrast kinases and phosphatases
What will be an ideal response?