What do the colors in in the figure below likely represent?
A. nothing, they are just there to make the
chromosomes look nice.
B. the presence of different genes along the
length of DNA.
C. the presence of different histone proteins
in the chromatin.
D. different levels of packaging and
condensation of the chromatin.
B
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________ muscle is nonstriated, whereas ________ and ________ muscle is striated.
Fill in the blank(s) with the appropriate word(s).
An organism found in the deep hot biosphere that used hydrogen as an electron donor and sulfate as a terminal electron acceptor would be categorized as which of the following?
A. A sulfate oxidizing photoautotroph B. A sulfate reducing chemoautotroph C. A nitrogen reducing photoautotroph D. A nitrogen reducing chemoautotroph
Which of the following is mismatched?
a. oligotrophic lake; high productivity b. cool water; high gas content c. eutrophic lake; pollution d. eutrophic lake; succession e. eutrophic lake; oxygen depletion
The domain Archaea includes bacteria that live in extreme environments as well as the viruses.
Answer the following statement true (T) or false (F)