Induced pluripotent stem cells are an attractive approach to cell replacement therapy because of all the characteristics EXCEPT:
A) they can be induced to develop into many different types of tissues
B) all of these are reasons why induced pluripotent stem cells are attractive to researchers
C) they can be studied using techniques already derived from work with embryonic stem cells
D) they can be derived from differentiated cells
E) they always require killing of an embryo
Answer: E) they always require killing of an embryo
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Describe the makeup of the phospholipid bilayer. Include molecular orientation and proteins as well
What will be an ideal response?
Which is most analogous to the role of GFP in recombinant DNA technology?
A. Comparing the RFLP patterns of DNA from various suspects to DNA isolated from the scene of a crime using gel electrophoresis. B. Creating a metagenomic library representing archaea bacteria that thrive in the hot springs of Yellowstone National Park. C. Using dyes to stain and detect bacteria under light microscopy from the sputum of a patient diagnosed with tuberculosis. D. Monitoring the spread of multi-drug resistant pathogens on a hospital floor by comparing antibiotic susceptibility patterns.
Which of the following statements is correctly
related to the opening of stomata?
a. potassium is pumped into the guard cells and water follows by osmosis b. potassium and water are both actively pumped into the guard cells c. potassium is pumped out of the guard cells and water follows by osmosis d. potassium and water are both actively pumped out of the guard cells e. none of these statements is correctly related to the opening of stomata
An environmental testing laboratory is unable to identify a single-celled organism isolated from a well water sample. Inspection of the microorganism with a compound microscope reveals that it uses pseudopodia for movement and is not enclosed within a mineral shell. Based on this information, this organism can be classified to which supergroup?
A. Opisthokonta B. Alveolata C. Amoebozoa D. Excavata E. Rhizaria