Which of the following statements about nucleotides are true and which are false?     Adenine base-pairs with thymine, and guanine base-pairs with cytosine

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?    permease

In chain-termination DNA sequencing, decreasing the amount of ddNTPs relative to dNTPs will cause:

Which of the following statements about antibody molecules are true and which are false?  A single cell always makes only one unique antibody

Which of the following statements about antibody molecules are true and which are false?  They form by DNA recombination between D (diverse) and C (constant) regions

 1’ carbon

The energy needed for nucleic acid synthesis comes from

The function(s) of topoisomerases during replication is to:    join the ends of adjacent Okazaki fragments together

They have phosphate groups in the rings

A ribonucleotide triphosphate used in RNA synthesis has an OH group on this carbon in the sugar portion of the nucleotide:      2′