How much Golden Rice will supply a child’s
daily need for the vitamin that is converted
from beta-carotene?
a. two teaspoons
b. a half of a cup
c. one cup
d. one quart
e. one pint
C
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The energy source that may have driven the chemical reactions leading to modern Earth's atmosphere was ____
a. sunlight b. electrical storms (lightning) c. photosynthesis d. radioactive decay e. heat energy released from Earth's core
Members of this Ecdysozoan phylum include many important decomposers, but also many damaging
parasites. Many parasitize the roots of plants, while others cause disease in animals. More than 1 billion people worldwide are estimated to be infected by members of this group such as pinworms, trichinas, and filarial worms.
a. Arthropoda b. Onychophora c. Nemertea d. Annelida e. Nematoda
The missing product below is
A. O2
B. CO2
C. H2O
Even though mycoplasmas pass through filters that normally trap bacteria, they are known to be bacteria, not viruses, because they
A) contain both DNA and RNA. B) synthesize peptidoglycan. C) divide by binary fission. D) contain both DNA and RNA and divide by binary fission. E) synthesize peptidoglycan and divide by snapping division.