when penicillin was first introduced, it was was very effective in destroying most of the bacteria that was cause gonorrhea. Today, certain varieties of this bacterium are the resistant to penicillin. Which statement best explains the appearance of these resistant varieties?

What came first the elephent or the crocodile

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome