__________ species, which evolved in one place and are present only in that habitat, are highly
vulnerable to extinction. Fill in the blank(s) with the appropriate word(s).
Endemic
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While establishing a symbiotic relationship, plant hosts communicate with bacteria via secretion of flavonoids and bacteria release Nod factors to communicate with the plant.
Answer the following statement true (T) or false (F)
Chlorosis in plants is a condition best explained by:
A. lack of water B. lack of certain minerals C. lack of oxygen D. lack of carbon dioxide E. lack of soil moisture
A bacterial cell that is bio- met- leu+ thr- thi+ is infected by a virus carrying bacterial DNA containing bio+ met+
leu- thr- thi+. If all five genes from the virally transduced DNA are recombined into the recipient cell, what kinds of nutrients will the resulting cell still require from the medium in order to grow? Explain your answer.
What will be an ideal response?Most of the oxygen in the blood is transported by:
a. plasma b. serum c. platelets d. hemoglobin e. leukocytes