Which fossil would be the oldest in a given strata and why? What will be an ideal response?
The fossil from the deepest strata would be oldest. As newer materials deposit, the older fossils get
buried successively deeper.
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What occurs during the annealing stage of a PCR reaction?
A. The DNA strands separate B. The DNA polymerase copies the template DNA C. The primers bind to complementary sequences of the template DNA D. The reaction stops
In order to use the energy stored in sugars, what must the cells must first transfer it to? How does the energy transfer occur?
What will be an ideal response?
A source for alginic acid, a thickening, emulsifying agent found in ice cream, toothpaste, pudding and cosmetics, are the:
a. seed plants b. ferns c. brown algae d. red algae e. green algae
The advantage of light microscopy over electron microscopy is that
a. light microscopy provides for higher magnification than electron microscopy. b. light microscopy provides for higher resolving power than electron microscopy. c. light microscopy allows one to view dynamic processes in living cells. d. both A and B e. both B and C