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In partially diploid E. coli cells with the genotype: F’ i+ o- z+ y- a- / chromosome i- o+ z- y+ a+, which functional gene product(s) would be expressed at high level in the absence of both lactose and glucose?    β-galactosidase, permease, and transacetylase

During human development different forms of globin are present at different times because

Indicate whether the following statements about eukaryotic transcription factors (TF) are true or false Multiple transcription factor binding sites can be present in a single gene

These mutations are likely to have the consequences described Repair of a double-strand break by non-homologous end joining results in a small deletion  

We discussed a number of different enzymes that function in DNA replication.  For each function, match the name of the enzyme that performs the function.

During splicing of precursor mRNAs in mammalian cells, the first RNA cleavage step involves:

Resting B cells are stimulated to become plasma cells and secrete antibodies by

You wish to amplify the above DNA sequence in a PCR reaction. For the following primers, indicate True if it could be able to successfully amplify the sequence above (with an appropriate second primer), and False if it would not amplify the indicated sequence. 5′ AGTCGGTAACTT 3′

Which of the following plays an important role in several DNA repair mechanisms?

Self-splicing introns