Streptomyces are aerobic soil bacteria that produce over two-thirds of our antibiotics of natural origin. These antibiotics should also be effective in killing Streptomyces.
a. true
b. false
Answer: b. false
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If you were to use a binomial system to identify the members of your family (mother, father, sisters, brothers), how would you write their names so that your system would most closely approximate that used to designate species?
What will be an ideal response?
Lipids are a class of cellular macromolecules that are ____________________ in water. Fill in the blank(s) with the appropriate word(s)
After proton pumps in mitochondria have depleted electrons of their energy during ATP production,
a. the electrons carried as part of hydrogen atoms are used in the formation of water b. the electrons carried as part of hydrogen atoms are used in the formation of ethyl alcohol c. the electrons build up inside the mitochondria and diffuse back to a thylakoid d. none of the above
According to this figure, heterozygotes for this form of hypercholesterolemia suffer from the disease because they
A) produce an abnormally shaped LDL receptor.
B) don't produce any LDL receptors.
C) produce too many LDL receptors.
D) don't produce enough LDL receptors.