If 5-bromouracil was added to a culture of actively dividing bacterial cells, resulting mutations could eventually become a stable part of the cellular genome.
Answer the following statement true (T) or false (F)
True
Biology & Microbiology
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Why is taking the first breath hard work for the newborn?
A) The lungs are not elastic. B) The intercostal muscles are not mature enough. C) The diaphragm is inflexible. D) The surface tension within the alveoli is very high. E) The respiratory center in the medulla is not yet mature.
Biology & Microbiology
At zero population growth:a
b = d. b. b > d. c. b < d. d. r > 0. e. r > K.
Biology & Microbiology
Chewing is important because it
A. alters the food chemically. B. adds enzymes that cause starch, proteins, and fats to begin to be broken down. C. increases the surface area exposed to the action of enzymes. D. is required by your mother.
Biology & Microbiology
Why are STDs so easily spread?
What will be an ideal response?
Biology & Microbiology