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Cyclin

AP biology test bank chp 12

Subject: 
Biology
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Cell biology
Biology
Cell cycle
Mitosis
Cyclin
Kinetochore
Metaphase
Cell division
Spindle apparatus
Prometaphase
Cell growth
Anaphase

Campbell's Biology, 9e (Reece et al.) Chapter 12 The Cell Cycle In this chapter, 24 questions are new, and 12 have been altered to incorporate new material from the textbook. As in the other chapters, any questions that depend on figures or introductory scenarios have been placed at the end of the chapter rather than in concept sequence. Multiple-Choice Questions 1) The centromere is a region in which A) chromatids remain attached to one another until anaphase. B) metaphase chromosomes become aligned at the metaphase plate. C) chromosomes are grouped during telophase. D) the nucleus is located prior to mitosis. E) new spindle microtubules form at either end. Answer: A Topic: Concept 12.1 Skill: Knowledge/Comprehension

Cell Cycle Regulation

Subject: 
Biology
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Cell biology
Cell cycle
Biology
Cyclin
Maturation promoting factor
Wee1
Cdc25
G2 phase
Cyclin-dependent kinase complex
G1/S transition

REGULATION OF THE CELL CYCLE - 4/19 THE CELL CYCLE the cell reproduces by carrying out an orderly sequence of events in which it duplicates its contents and divides 2n replicate form mitotic spindle Chromosome segregation division In eukaryotes, the cell cycle is divided into four phases Interphase Restriction point I--------------------------I--------------------------I--------------------------I--------------------------I G1 S G2 M 1) Should I divide? Synthesis, 1) DNA replication Mitosis No, Can stay here DNA replication successful? Cell signaling tells it CHECKPOINT if it can divide How do cells know when to enter mitosis?
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