In your analysis of a new bacterial species, you gram stained the bacteria and observed them under the microscope. The bacteria appear to have a round shape and a pink color. Based on this information, you would classify these bacteria as
A. Gram-positive spirilli.
B. Gram-negative bacilli.
C. Gram-positive bacilli.
D. Gram-positive cocci.
E. Gram-negative cocci.
Answer: E
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In specific resistance, if the plant does not have an R protein, which of the following will happen when it comes into contact with a pathogen?
A. The AVR proteins of the virus will not be able to bind and the plant will not become infected. B. The AVR protein will block the plant's basal resistance, allowing the pathogen to infect the cell. C. The AVR protein will activate the plant's defensive genes. D. The AVR protein will bind to a receptor in the plant cell's membrane and a general defense response will be triggered. E. The pathogen will not make AVR proteins if the plant cell lacks the R protein.
When two atoms share a pair of electrons, the bonding is referred to as:
A. ionic. B. covalent. C. unstable. D. hydrogen.
Biologists have found that the genetic code is universal, that the same codons code for the same amino acids in almost all living things. Explain how this can be considered evidence for evolution.
What will be an ideal response?
Bile is important for the proper digestion of fat.
a. true b. false