Biology, 12.12.2020 15:50, QueenNerdy889
Penicillin was the first antibiotic introduced during World War II. Today, many bacteria are resistant to antibiotics. Which statement explains the appearance of these resistant varieties?
Group of answer choices
A. Penicillin shared DNA with bacteria to produce resistant strains.
B. Penicillin became less concentrated over the last few decades.
C, Penicillin killed most of the bacteria but left the resistant bacteria to reproduce.
D, Penicillin causes bacteria to reproduce more quickly to maintain a consistent population.
Answers: 2
Biology, 21.06.2019 19:40, astultz309459
The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?
Answers: 2
Biology, 22.06.2019 09:00, risaroo070618
What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.
Answers: 2
Biology, 22.06.2019 13:30, hello123485
Explain the significance of meiosis in sexual reproduction
Answers: 3
Penicillin was the first antibiotic introduced during World War II. Today, many bacteria are resista...
Mathematics, 25.05.2021 22:50
Mathematics, 25.05.2021 22:50
Mathematics, 25.05.2021 22:50
History, 25.05.2021 22:50
Arts, 25.05.2021 22:50
Mathematics, 25.05.2021 22:50