Next to plasmids, the most common type of cloning vector is a ________
Fill in the blank(s) with correct word
bacteriophage
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7. Identify the largest distinction between the theory of spontaneous generation and the cell theory.
A. Spontaneous generation can be observed with the microscope, while cell theory is newer and has not yet been proven. B. Spontaneous generation is found in organisms that don't have cells, while cell theory happens in organisms that do have cells. C. Spontaneous generation only happens with animalcules and germs, while cell theory applies to other, more complex organisms. D. Spontaneous generation proposes life can form from available molecule components, while the cell theory explains how all cells are formed from preexisting cells. E. There is no distinct difference between the two theories.
Mobile genetic elements that encode proteins that contribute to or confer virulence are known as contiguous sequences.
Answer the following statement true (T) or false (F)
During the day the leaves of bean plants are __________, and at night they are __________
a. horizontal; wilted b. horizontal; vertical c. horizontal; horizontal d. vertical; vertical e. vertical; horizonta
Which region of the Earth receives the least amount of solar radiation during the winter solstice?
A. Southern Hemisphere B. Northern Hemisphere C. equatorial regions D. between 30° North and 30° South E. All of the Earth's regions receive the same amount of solar radiation during the winter solstice.