Answer the following statements true (T) or false (F)
1. Streptomyces are aerobic soil bacteria that produce over two-thirds of our antibiotics of natural origin. These antibiotics should also be effective in killing Streptomyces.
2. Streptomyces are obligate aerobic soil bacteria that infect many plant roots, causing scabs on their leaves. You would expect to find more
Streptomyces near the surface of the soil.
3. Antibiotics usually are not dangerous to use in treating bacterial infections because most antibiotics exploit structures and functions in bacteria that are not present in host cells.
4. Pili are bacterial structures used primarily for motility.
5. Autotrophs must acquire carbon from organic molecules produced from other organisms.
1.FALSE
2.TRUE
3.TRUE
4.FALSE
5.FALSE
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A. mitosis B. meiosis I and mitosis C. meiosis II and mitosis D. meiosis I E. meiosis II
The Na+/K+ pump creates a ____ charge inside the cell and a ____ charge outside the cell
a. negative; negative b. positive; negative c. positive; positive d. negative; positive e. neutral; positive
What cultural trait is unique to hominins? What will be an ideal response?