What is the difference between hypothesis testing and discovery-based research?
A. Hypothesis can be validated or invalidated while discovery-based research relies more on collection and analysis of data without a hypothesis
B. Discovery-based science can be validated or invalidated while hypothesis based research relies more on collection and analysis of data
C. There is only one type of experimental approach, both terms describe the same approach.
D. Hypothesis-based research results in believable science while discovery-based research results in unreliable conclusions.
A
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a. have ion channels b. have a lipid bilayer that allows the response to occur c. have receptors exposed on the inner plasma membrane surface d. have receptors exposed on the plasma membrane surface e. have nuclear membrane receptors
Which of the following will stimulate a B cell to divide and produce antibodies?
a. binding a foreign antigen to its surface receptors b. phagocytosis of a foreign antigen c. stimulation by complement d. signals released from damaged mucosa e. uptake of bacterial toxins
The site of anaerobic ammonia oxidation in the recently described genera Brocadia, Kuenenia, Scalindua, and Anammoxoglobus is called the ________.
Fill in the blank(s) with the appropriate word(s).
If two nonsister species on the phylogenetic tree above differ from the other two in a single character state (say dark or light fur), denote any possible evolutionary changes by placing an X—or Xs—on the tree below
Be sure to label the X as a loss or gain. What will be an ideal response?