DNA Structure and Replication The B-DNA structure found in solution is a left-handed double helix of antiparallel chains (10 bp/turn) right-handed double helix of antiparallel chains (∼10 bp/turn) right-handed double helix of parallel chains (∼10 bp/turn) left-handed zig-zag helix of antiparallel chains (10 bp/turn) left-handed double helix of antiparallel chains (10 bp/turn) right-handed double helix of antiparallel chains (∼10 bp/turn) right-handed double helix of parallel chains (∼10 bp/turn) left-handed zig-zag helix of antiparallel chains (10 bp/turn) ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The site on a bacterial chromosome that marks the initiation point for chromosome replication is called a promoter Ori an initiation codon Pro a promoter Ori an initiation codon Pro ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by using enzyme called telomerase shortening of the double stranded replicated portion None of these using RNA as a template using enzyme called telomerase shortening of the double stranded replicated portion None of these using RNA as a template ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following is an active site on its single polypeptide chain for DNA Polymerase I? 5' → 3' exonuclease 5' → 3' polymerase 3' → 5' exonuclease All of these 5' → 3' exonuclease 5' → 3' polymerase 3' → 5' exonuclease All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Proteins which help to open the double helix for DNA synthesis are DNA helicases DNA topoisomerase single stranded binding proteins ligase DNA helicases DNA topoisomerase single stranded binding proteins ligase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals? Thousands and tens of thousands About 100 One none of these Thousands and tens of thousands About 100 One none of these ANSWER DOWNLOAD EXAMIANS APP
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