About how many bases of DNA wrap around a histone complex?
A. <50
B. 150
C. 200
D. >1,000
B
You might also like to view...
An elephant and a mouse are running in full sunlight, and both overheat by the same amount above their normal body temperatures. When they move into the shade and rest, which animal will cool down faster?
A) The elephant will because it has the higher surface-area-to-volume ratio. B) The elephant will because it has the lower surface-area-to-volume ratio. C) The mouse will because it has the higher surface-area-to-volume ratio. D) They will cool at the same rate because they overheated by the same amount.
The cuticle is derived from ________
a. cell divisions of parenchyma cells b. secretions of mesophyll cells c. secretions of epidermal cells d. cell divisions of apical meristem
Why is it more difficult to obtain sufficient oxygen at higher altitudes? What will be an ideal response?
Which nutrients provide energy for animals?
A) Carbohydrates and proteins B) Carbohydrates, fats, and nucleic acids C) Fats and proteins D) Carbohydrates, fats, and proteins E) Carbohydrates and fats