What kind of plants are epiphytes?
a. Plants that are not parasites but that do grow on other plants instead of the soil.
b. Plants that trap animals and digest them.
c. Plants that deal with nutrient-deficient soil by growing a large, netlike mesh of roots through several layers of the soil.
d. Parasitic plants that use haustoria roots to obtain nutrients and food directly from other plants.
Ans: a. Plants that are not parasites but that do grow on other plants instead of the soil.
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The sub-atomic particle with a positive charge is _____
A. a neutron B. an isotope C. an electron D. a proton E. an ion
The most notable difference between PrPC (normal protein) and PrPSc (prion protein) is
A. PrPC causes a cell to undergo rapid apoptosis. B. PrPC is a much longer polypeptide chain, compared to PrPSc. C. PrPc is a functional glycolytic enzyme, whereas PrPSc is nonfunctional. D. PrPc folds appropriately whereas PrPSc does not fold correctly.
The term for describing a region’s biological wealth is called ____
a. endemic species b. hot spots c. biodiversity d. endangered species e. threatened species
Which of the following occurs during
metamorphosis? a. remodeling of tissues. b. juveniles become adults. c. changes in lifestyle. d. changes in body form. e. all of the above.