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cell bio exam 4 Questions and
Answers (100% Correct Answers)
Already Graded A+
Cyclin dependent protein kinases (Cdks) Ans: Enzymes
regulating cell cycle phases.
© 2026 Assignment
Centromere protein A (CENP-A) Ans: Recruits proteins to form
the kinetochore.
Guru01 - Stuvia
Expert
Cyclins Ans: Proteins that activate Cdks for cell cycle
progression.
G2-M checkpoint Ans: Checks DNA replication and integrity
before mitosis.
Mitotic cyclin Ans: Activates M-Cdk, also known as MPF.
Ubiquitin-proteasome pathway Ans: Controls degradation of
regulatory proteins.
Condensin phosphorylation Ans: Required for chromosome
condensation by M-Cdk.
Cdk inhibitor proteins Ans: Inhibit Cdk activity, e.g., p21.
S-Cdk Ans: Phosphorylates cdc6 to regulate DNA replication.
Sister chromatids Ans: Held together by cohesins after DNA
replication.
cell bio exam 4 Questions and
Answers (100% Correct Answers)
Already Graded A+
Cyclin dependent protein kinases (Cdks) Ans: Enzymes
regulating cell cycle phases.
© 2026 Assignment
Centromere protein A (CENP-A) Ans: Recruits proteins to form
the kinetochore.
Guru01 - Stuvia
Expert
Cyclins Ans: Proteins that activate Cdks for cell cycle
progression.
G2-M checkpoint Ans: Checks DNA replication and integrity
before mitosis.
Mitotic cyclin Ans: Activates M-Cdk, also known as MPF.
Ubiquitin-proteasome pathway Ans: Controls degradation of
regulatory proteins.
Condensin phosphorylation Ans: Required for chromosome
condensation by M-Cdk.
Cdk inhibitor proteins Ans: Inhibit Cdk activity, e.g., p21.
S-Cdk Ans: Phosphorylates cdc6 to regulate DNA replication.
Sister chromatids Ans: Held together by cohesins after DNA
replication.