DNA Replication
What enzyme unwinds the DNA double helix at the replication fork?
What is helicase?
The S phase of the cell cycle is responsible for what?
What is synthesis (replication) of DNA.
These organize microtubules of the spindle apparatus.
What are centrosomes?
What cytoskeletal component is made of actin and supports the cell membrane?
What are microfilaments?
What are the four main types of animal tissue?
What are epithelial, connective, nervous, and muscle?
The short RNA segment that begins DNA synthesis is called what?
What is an RNA primer?
What is the phase where some cells pause or stop dividing, sometimes permanently?
What is G₀ phase?
This structure forms at the centromere and attaches to spindle microtubules.
What are kinetochores?
Which cytoskeletal filament provides mechanical strength and resists stress?
What are intermediate filaments?
What transmembrane proteins connect adjacent animal cells to each other?
What are cadherins?
Which strand of DNA is made continuously?
What is the leading strand?
What is 46?
What is the division of the cytoplasm called?
What is cytokinesis?
Which cytoskeletal element is made of tubulin dimers and forms the mitotic spindle?
What are microtubules?
Which junction forms a seal that prevents materials from slipping between cells?
What are tight junctions?
What enzyme joins Okazaki fragments together?
What is DNA ligase?
Which type of cell division do prokaryotes use?
What is binary fission?
In animal cells, what forms the contractile ring that pinches the cell in two?
What are actin filaments/microfilaments?
What term describes rapid microtubule shortening and regrowth used during cell division?
What is dynamic instability?
Which structure anchors epithelial cells to the basal lamina?
What are hemidesmosomes?
This enzyme removes mispaired nucleotides.
What is nuclease?
What two main steps make up eukaryotic cell division?
What is mitosis and cytokinesis?
What are chromosomes?
Name the two motor proteins that move cargo along microtubules.
What are kinesin and dynein?
What junction allows ions and small signaling molecules to pass directly between animal cells?
What are gap junctions?