Monoclonal antibodies used in many commercial applications are derived from ____
a. mice
b. viruses
c. genetically modified bacteria
d. human volunteers
e. horses
ANSWER: c
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In the mid-1970s a group of scientists asked the National Academy of Sciences to appoint a panel to assess the risks of recombinant DNA technology and the need to control its associated research. Summarize the most important lesson learned from this event
What will be an ideal response?
Archaeopteris, the first known tree, had what characteristics?
_____ It occurred in forests. _____ It possessed wood. _____ It reproduced by seeds. _____ It had a eustele. _____ It had a vascular cambium.
Which of these are the main structural components of biological membranes?
a. starches b. triglycerides c. proteins d. phospholipids e. steroids
In photosynthesis, the light-independent reactions do not directly require the presence of sunlight
Indicate whether the statement is true or false