Bio 1100 ECU Exam 3 questions with ANSWERS

Bio 1100 ECU Exam 3 questions with
|\ |\ |\ |\ |\ |\ |\




ANSWERS

Meiosis produces what type of cells? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔Gametes (sex cells) |\ |\




Mitosis produces what type of cells? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔Somatic cells |\




Mitosis + Cytokinesis are responsible for? (3) - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔Growth of cells, Wound Repair, Asexual
|\ |\ |\ |\ |\ |\ |\


Reproduction


Gene - CORRECT ANSWERS ✔✔section of DNA that encodes a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


specific RNA |\




Chromosomes are wrapped around... - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\


✔✔Histones (protein) |\




In which phase does the cell take up the most time in the cell
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


cycle? - CORRECT ANSWERS ✔✔Interphase (rather than cell
|\ |\ |\ |\ |\ |\ |\ |\


division)


Where are microtubules made? - CORRECT ANSWERS ✔✔In the
|\ |\ |\ |\ |\ |\ |\ |\ |\


centrosome

, Phases of Mitosis (5) - CORRECT ANSWERS ✔✔Prophase,
|\ |\ |\ |\ |\ |\ |\ |\


Prometaphase, Metaphase, Anaphase, Telophase |\ |\ |\




Cytokinesis - CORRECT ANSWERS ✔✔Cell division begins (actin-
|\ |\ |\ |\ |\ |\ |\


myosin ring causes the plasma membrane to begin pinching in)
|\ |\ |\ |\ |\ |\ |\ |\ |\




Bacteria divides through... - CORRECT ANSWERS ✔✔Fission
|\ |\ |\ |\ |\ |\




G1 is eliminated in... - CORRECT ANSWERS ✔✔rapidly dividing
|\ |\ |\ |\ |\ |\ |\ |\ |\


cells


What does MPF stand for? - CORRECT ANSWERS ✔✔Mitosis-
|\ |\ |\ |\ |\ |\ |\ |\


Promoting Factor |\




What are the 2 subunits of the MPF? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔Cdk (protein kinase), Cyclin |\ |\ |\




Cyclin - CORRECT ANSWERS ✔✔regulatory protein
|\ |\ |\ |\ |\




Cdk - CORRECT ANSWERS ✔✔target protein for phosphorylation
|\ |\ |\ |\ |\ |\ |\ |\


(can be used to activate/deactivate protein)
|\ |\ |\ |\ |\




How is the MPF activated? - CORRECT ANSWERS ✔✔When it is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


phosphorylated by a phosphate group at 1 site |\ |\ |\ |\ |\ |\ |\