The thread of DNA between nucleosomes is called _____________ DNA
a. nonhistone
b. core
c. insulator
d. linker
e. hypersensitive
Ans: d
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Eutrophication describes:
A. the process in which added nutrient levels lead to the growth of algae and cyanobacteria populations. B. the reduction of oxygen in the water as a result of bacterial decomposition. C. the total amount of nitrogen fertilizer that leaves agricultural fields as surface runoff. D. the increased production of crops using fertilizer. E. the death and decomposition of algal blooms.
Coal was formed primarily from buried remains of non-vascular plants
a. True b. False
Flowering in Arabidopsis appears to require ____
a. production in leaves of CO protein and FT protein b. movement of CO protein from leaves to the shoot apex c. expression of CO protein in the shoot apex d. movement of FT mRNA from leaves to the shoot apex e. movement of FT protein from leaves to the shoot apex
What causes transpiration?
a. hydrogen bonding b. the drying power of air c. cohesion d. turgor pressure e. tension