During DNA replication, each strand serves as a _____ for the new_____ strand
a) proofreader; complementary
b) blueprint; template
c) template; supplementary
d) master model; identical
e) template; complementary
Ans: e) template; complementary
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What is the correct order in bacterial antigen
processing and presentation? 1. lysosomal enzymes digest the bacterium into molecular bits 2. the antigen-MHC complex is displayed on the cell surface 3. the endocytic vesicle fuses with a lysosome 4. a bacterium is engulfed by a phagocytic cell
a. 4-3-1-2 b. 4-3-2-1 c. 3-4-2-1 d. 3-4-2-1 e. 2-4-3-1
How are fossils older than 60,000 years dated?
a. directly dating the fossil with 14C b. directly dating the fossil with uranium 238 c. dating rock formations below the fossil only d. dating rock formations above the fossil only e. dating rock formations above and below the fossil
Which of the following may trigger a migraine headache?
a. hormonal changes b. fluorescent lights c. certain foods d. weather changes e. all of these
A sustainable society is able to provide the same amount of goods and services for future generations as it does for the current one, while preserving biodiversity.
Answer the following statement true (T) or false (F)