Which of the following characteristics are unique to eukaryotes (i.e., do NOT occur in either archaea or bacteria) ?
A) the presence of introns in most genes (noncoding stretches of DNA)
B) the presence of exons in most genes (coding stretches of DNA)
C) the presence of chlorophyll
D) the presence of nuclei
Correct Answer:
Verified
Q2: Which of these trees reflects the hypothesis
Q3: A biologist draws a tree of life
Q4: Plasmid DNA generally contains genetic information critical
Q5: The last common ancestor of fungi, mammals,
Q6: Which of the following statements is TRUE
Q8: _ is a type of horizontal gene
Q9: Bacterial genetic diversity can arise from:
A)sexual reproduction.
B)transduction
Q10: A researcher discovers a new unicellular organism
Q11: Conjugation is a type of horizontal gene
Q12: Horizontal gene transfer can happen through:
A)meiosis.
B)transformation.
C)mitosis.
D)conjugation.
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