Biology, 12.10.2020 01:01 girdwood6678
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Penicillin is an antibiotic used to treat Gram-positive bacterial infections. Penicillin stops Gram
-positive bacteria from dividing . Figure 4 shows Gram-negative and Gram-positive bacteria
growing on two separate nutrient agar plates. There is a disc of penicillin in the centre of each
agar plate. Discuss why penicillin prevents the growth of Gram-positive bacteria but not Gram-
negative bacteria. Your answer should refer to differences in the cell walls of the two types of
bacteria.
(6 Points)
Answers: 2
Biology, 22.06.2019 01:00
Which part of cellular respiration must occur before any of the other steps can occur
Answers: 2
Biology, 22.06.2019 01:30
Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.
Answers: 1
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