Alexander Fleming observed a colony of mold that inhibited the growth of nearby bacteria. What was the hypothesis proposed by Fleming to explain this result?
A) The mold produced a substance that killed nearby bacteria.
B) The mold was dead.
C) The mold used all of the nutrients so that the bacteria couldn't grow.
D) The bacteria changed their DNA when growing near the mold.
A
You might also like to view...
Candida albicans is normally found in the vagina but does not usually cause disease because the acidic pH created by the lactobacilli prevents their overgrowth.
Answer the following statement true (T) or false (F)
All imperfect flowers are also incomplete
Indicate whether the statement is true or false.
Mammals are the only vertebrates that possess:
a. teeth b. a backbone c. a brain d. a four chambered heart e. mammary glands
The glucose carrier of skeletal muscle is designated as ________.
Fill in the blank(s) with the appropriate word(s).