In humans, individuals with trisomy of which chromosome are most likely to survive until adulthood?
A. 13th
B. 21st
C. 18th
D. 15th
Answer: B
Biology & Microbiology
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The first eukaryotic cells were
a. bacteria. b. archaea. c. protists. d. algae. e. fungi
Biology & Microbiology
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)
Biology & Microbiology
Which macromolecule(s) is/are critical in the active site of the ribosome for catalysis of peptide bond formation?
A. ribosomal RNA and protein B. ribosomal protein C. ribosomal RNA, protein, and carbohydrate D. ribosomal carbohydrate E. ribosomal RNA
Biology & Microbiology
The progressive shortening of telomeres in DNA correlates with cell senescence.
Answer the following statement true (T) or false (F)
Biology & Microbiology