Identify the function of the proteins that unwind DNADNA during in vivo DNADNA synthesis. Sort each protein to the appropriate bin according to the role it plays at the start of DNADNA replication. If a protein is not involved in any of the processes, sort it to the last bin. ResetHelp primaseDNADNA gyrase (topoisomerase)helicaseDNADNA polymeraseDNADNA ligaseDnaADnaA replication initiation factor proteinsingle-stranded binding protein opens DNADNA double helix stabilizes the open conformation relaxes supercoiling by nicking DNADNA not involved in the unwinding of DNADNA for replication

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles

The cluster of developing cells from conception until birth is called an