Why is the T4 genome resistant to restriction enzymes?
a. It has an RNA genome.
b. It modifies its DNA, using 5-hydroxymethlycytosine instead of cytosine.
c. It has an ssDNA genome.
d. It modifies its DNA by methylating nucleotides.
Answer: B
Biology & Microbiology
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Biology & Microbiology
Cranial nerves are connected directly to the brain.
Answer the following statement true (T) or false (F)
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In which of the following pairs are the two terms equivalent?
A) ovule — egg B) embryo sac — female gametophyte C) seed — zygote D) microspore — pollen grain
Biology & Microbiology
The cell walls of fungi are composed mainly of ____.
A. cellulose B. lignin C. chitin D. pectin E. protein
Biology & Microbiology