Why is water not able to dissolve or break down oil?
a. Water is polar and oil is nonpolar
b. Water is polar and oil is polar.
c. Water is nonpolar and oil is nonpolar.
d. Water is nonpolar and oil is polar.
a
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The ____ joints, found in the vertebrae and some rib bones,have fibrous connective tissue covering the ends of the
bones involved and are somewhat moveable.
a. synovial b. cartilaginous c. fibrous d. agonist e. antagonistic
Which hormone is released by platelets?
a. serotonin b. somatotropin c. acetylcholine d. GABA e. dopamine
Which of the following are characteristic of both rhizobia and mycorrhizae?
I) They both benefit by receiving sugars from the plant. II) They both become parasitic in nutrient-rich environments. III) They both enhance the growth of most plants. IV) They both are found in most ecosystems of the world. A) only I and II B) only I, III, and IV C) only III and IV D) I, II, III, and IV
Current thought indicates that marsupials and eutherians are more closely related to each other than either is to monotremes.
Answer the following statement true (T) or false (F)