Which taxon is NOT gram-positive?
A) Actinobacteria
B) Firmicutes
C) Sphingobacteria
D) Streptococcus
Answer: C
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____ tissue contains glands
a. Connective b. Muscular c. Epithelial d. Neural e. Adipose
If a mixture of bacteriophages, some labeled with radioactive sulfur and others labeled with radioactive phosphorus, is
placed in a bacterial culture, the bacteria will eventually contain ____.
a. primarily radioactive sulfur b. primarily radioactive phosphorus c. both radioactive sulfur and phosphorus d. neither radioactive sulfur nor radioactive phosphorus e. complete viruses with radioactive sulfur coats
Describe how the technique of gene therapy might help someone who has an inherited genetic disease as well as future children and grandchildren
What will be an ideal response?
When using the Nernst equation to calculate membrane potential, we are making several assumptions about conditions in the cell. Which of the following is not a good assumption?
(a) The temperature is 37°C. (b) The plasma membrane is primarily permeable to Na+. (c) At rest, the interior of the cell is more negatively charged than the exterior. (d) K+ is the principal positive ion in the cell.