Caulobacter is a genus of bacteria with a unique cell division cycle that yields two morphologically distinct cell types.
Answer the following statement true (T) or false (F)
True
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In ChIP-Seq, the DNA fragments to be sequenced are around 150 bp in length. What does this size of DNA represent?
A. The length of a promoter B. The amount of DNA wrapped around a nucleosome C. The average length of a gene D. The average distance between genes E. The amount of DNA between nucleosomes
How many chains are present in crambin?
a. 1 b. 2 c. 3 d. 4
In earthworms, what do the nerve cord, the setae, the circular muscles, and the metanephridia have in common?
A. They all play a role in excretion of waste from the body. B. They are serially repeated in the body segments of the body. C. They all play a role in the reproductive activities of the earthworm. D. They are all used in locomotion.
Which of the following is an important force for evolution?
A. Mutation B. Genetic drift C. Migration D. Natural selection E. All of the above