During specialized transduction carried out by lambda phage in Escherichia coli, differences in the phage and host attachment (att) sites mediate insertion of phage DNA into host DNA.
Answer the following statement true (T) or false (F)
False
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Why does the existence of ribozymes offer a possible solution to the question of whether nucleic acids or proteins
appeared first in evolution?
What will be an ideal response?Which of the following were challenges that had to be overcome to sequence the genome of wheat, Triticum aestivum? (Select all that apply)
A. Lack of advanced sequencing technology B. Large genome size (~5 times as large as human genome) C. High mutation rate of wheat genes D. An abundance of repetitive DNA E. Lack of interest/support in sequencing the genome
Red blood cells are derived from endoderm.
Answer the following statement true (T) or false (F)
Which of the following events does not usually occur during interphase?
(a) Cells grow in size. (b) The nuclear envelope breaks down. (c) DNA is replicated. (d) The centrosomes are duplicated.