Higher chromosome structure depends on:
A. SMC proteins, one of the major components of the chromosome scaffold.
B. the formation of a chromosome scaffold by topoisomerases.
C. the presence of the H1 protein, which promotes formation of the nucleoid.
D. the formation of rosettes, which are stabilized by histone proteins.
E. the formation of tetranucleosomes.
A
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In Jabberwocks, flame eyes (F) are dominant to blue eyes (f) and burbling (B) is dominant to whistling (b). Jabberwock geneticists suspect that the two genes are linked on one of the autosomes
They mate a true-breeding flame-eyed, burbling female with a true-breeding blue -eyed, whistling male. They then remove a sample of gametes from one of the resulting offspring. If the genes are linked, which of the following is/are a recombinant gamete genotype? Select all correct choices: A. FB B. Fb C. fb D. fB E. none of these is a recombinant gamete genotype
Of the ________ electrons released in Nitrosomonas europaea nitrification, ________ must return to AMO to continue ammonia oxidation, while ________ can be used either as reductants for biosynthesis or be donated to the electron transport chain to reduce the terminal electron acceptor, oxygen.
Fill in the blank(s) with the appropriate word(s).
At sea level, what is the partial pressure (mm Hg) of oxygen in the air we breathe?
a. 21 b. 50 c. 100 d. 160 e. 540
What role do mycorrhizae play in helping plants survive?
What will be an ideal response?