During PCR, ____________________ serve as a starting point for the synthesis of the new DNA strand. Fill in the blank(s) with the appropriate word(s)
primers
Biology & Microbiology
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Which of the following is the advantage that plants in arid habitats experience when they keep their stoma closed during hot daytime hours?
A. It prevents loss of CO2. B. It helps to conserve water. C. It brings minerals up the plant. D. It prevents sugar transport to the guard cells. E. It gives plants a needed rest.
Biology & Microbiology
Free-floating, photosynthetic organisms found in marine environments are
A. Bucella. B. blue-green algae. C. krill. D. phytoplankton.
Biology & Microbiology
Endochondral ossification step 1
What will be an ideal response?
Biology & Microbiology
What phyla of animals has the greatest number of species?
A. Annelida. B. Nematoda. C. Chordata. D. Mollusca. E. Arthropoda.
Biology & Microbiology