Describe the mutualistic relationship that arbuscular mycorrhizae form with plants
What will be an ideal response?
Answer: Approximately 80% or more of all land plants form a mutualistic relationship with arbuscular mycorrhizae. The hyphae of these fungi form swollen vesicle invaginations (or arbuscules) inside plants' roots. The surface area of the roots increases, which allows for the plants to obtain more nutrients in the soil. The arbuscular mycorrhizae (fungi) benefit from fixed carbon provided by the plant.
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Which plant organelle stores solutes and plays a major role in maintaining turgor pressure?
a. nucleus b. cell wall c. chloroplast d. vacuole e. mitochondrion
Four of the five answers listed below are molluscan body features. Select the exception
a. gills b. head and foot c. mantle d. conspicuous segmentation e. radula
What physiological processes occur in response to an increase in blood pressure? What will be an ideal response?
As the human immunodeficiency virus (HIV) begins to kill the host's _____________________, the host's immune system begins to fail.
a. liver cells b. RNA c. red blood cells d. DNA e. white blood cells