What do mitochondrial genomics trace?
What will be an ideal response?
genealogy
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Which of the following is true about the relationship between plectonemic and solenoidal supercoils?
A. Plectonemic supercoils are stabilized by proteins, whereas solenoidal supercoils are not. B. The formation of plectonemic versus solenoidal supercoils is sequence specific. C. Plectonemic supercoils are always left-handed and solenoidal supercoils are always right-handed. D. In underwound DNA, plectonemic supercoils are all right-handed and solenoidal supercoils are all left-handed. E. Plectonemic supercoils compact the DNA to a greater extent than solenoidal supercoils.
Discuss the functions of the cytoskeleton of the cell.
What will be an ideal response?
How does Helicobacter pylori cause gastric ulcers in humans?
A) It neutralizes the acids of the stomach.
B) It causes the production of excess acid in the stomach.
C) It damages the stomach's mucus coat.
D) It causes the stomach to produce stronger acids.
Answer the following statement(s) true (T) or false (F)
1. Facultative anaerobes do not have the correct enzymes, and will not survive in the presence of oxygen. 2. Bacterial cells generally have a cell wall which protects them from osmotic changes in their environment, while animal cells do not and so are more sensitive to osmotic shifts. 3. Pasteurization sterilizes milk. 4. You will need to do a serial dilution for the standard plate count water test. 5. Protists are a large and diverse group, including organisms such as algae.