Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 14.1, Problem 3TYK
Summary Introduction
Introduction:
The cell cycle is the complete cycle of the cells starting from the formation of the cells by mitosis and ends with the next mitosis. The cycle is divided into G1 phase, S phase, G2 phase and mitotic phase. Different types of protein are responsible for the progression of the cell cycle.
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When are cyclin-dependent kinases (Cdks) present inside the cell during the cell cycle? __________
When are cyclins present inside the cell during the cell cycle? __________
high right after mitosis and then rising throughout the cell cycle ; equally in all phases of the cell cycle
low right after mitosis and then rising throughout the cell cycle ; equally in all phases of the cycle
equally in all phases of the cycle ; high right after mitosis and then rising throughout the cell cycle
equally in all phases of the cycle ; low right after mitosis and then rising throughout the cell cycle
The activity of cyclin dependent kinases is regulated by:
B
Their concentration inside the cell
D
Their concentration outside the cell
C Changes in the concentration of cyclins
The G1, G2 and M checkpoints
The start and end of mitosis
Fill in the blank: The ___________ is the protein complex located at the centromeres of the sister chromatids during mitosis and is responsible for regulating the spindle assembly checkpoint.
Chapter 14 Solutions
Principles of Biology
Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Refer back to Figure 13.13. How do checkpoint...Ch. 14.1 - A cell that is diploid has two chromosomes. pairs...Ch. 14.1 - In eukaryotes, DNA replication produces sister...Ch. 14.1 - Prob. 3TYKCh. 14.2 - Refer back to the karyotype in Figure 14.1. In...Ch. 14.2 - What are the functions of the three types of...Ch. 14.2 - Prob. 1TYKCh. 14.2 - Prob. 2TYK
Ch. 14.2 - Sister chromatids separate from each other during...Ch. 14.2 - With regard to chromosome composition, how does...Ch. 14.3 - Prob. 1CCCh. 14.3 - Prob. 2CCCh. 14.3 - What is the main reason for meiosis in animals?...Ch. 14.3 - In meiosis I, crossing over occurs during...Ch. 14.3 - Prob. 2TYKCh. 14.3 - Prob. 3TYKCh. 14.4 - Prob. 1CCCh. 14.4 - A chromosome in which the telomere is at one end...Ch. 14.4 - Prob. 2TYKCh. 14.4 - Prob. 3TYKCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Checkpoints during the cell cycle are important...Ch. 14 - Prob. 4TYCh. 14 - Prob. 5TYCh. 14 - Prob. 6TYCh. 14 - Prob. 7TYCh. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - Prob. 10TYCh. 14 - Distinguish between homologous chromosomes and...Ch. 14 - The Oca2 gene, which influences eye color in...Ch. 14 - PRINCIPLES A principle of biology is that cells...Ch. 14 - Why is it necessary for chromosomes to condense...
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- At the checkpoints of the cell cycle, proteinscalled cyclins bind to________________ and activatereactions that enable the cell to proceed tothe next stage of the cycle.arrow_forwardNuclear envelope is present in _______?_______of cell cycle and _____?________ of mitosis .arrow_forwardPut the following phases of the cell cycle and mitosis in the correct order. Prometaphase Interphase - S phase Telophase Prophase Anaphase Interphase - G1 Metaphase Interphase - G2arrow_forward
- The process of cellular reproduction or divisions is a heavily regulated process for a number of different reasons. In the case of the eukaryotic cell there are a number of different checkpoints that a cell must pass before it can continue on. Please explain what those checkpoints are looking for and where those checkpoints are in the cell cycle. If a cell doesn’t pass any of these checkpoints what happens to those cells?arrow_forwardWhich of the following is NOT correct answer about telophase of mitosis: The mitotic spindle is formed in this phase Two new nuclei form, and two sets of chromosomes Nuclear membrane and nucleoid reappear in this phase The enzyme aminoacyl TRNA synthetase charges the TRNA molecules with the correct amino acids FRNA molecules with the correct amino acids MRNA molecules with the correct amino acidsarrow_forwardWhich situation would be the most likely result of a mutation in a eukaryotic organism that causes it to produce less p21 protein than normal? Cells with radiation-induced DNA damage would continue through the cell cycle without repairing the damaged DNA. O Cells with incomplete DNA replication would continue through the checkpoint. Cell replication would be slowed due to an increase in active G1/S cyclin-dependent kinase. Cells would not respond to growth factors. O Cells would have a hypersensitive response to growth factors.arrow_forward
- Match the phases of the cell cycle to the major events occurring during that phase. G1 phase Growth phase in preparation 1 ♥ S phase DNA synthesis G2 phase Initial growth phase M phase Division of the nucleus Question 4 What is a pH buffer and why are they biologically important? MacBook Air 000 000 F4 F3 F5 F6 F7 F8arrow_forwardCytokinesis is the division of a cell following mitosis, and is driven by the formation of contractile ring of actin and myosin II just beneath the plasma membrane, midway between daughter cell nuclei. true falsearrow_forward56 ces Classify the following characteristics according to whether they describe typical cells or cancer cells. Labels Differentiated and specialized Undergo angiogenesis or metastasis Immortal Grow in layers without restraint Nuclei take up most of the roll Reset All Cancer Cells (1/2) Typical Cell (2/2)arrow_forward
- Which of the following statements regarding cyclin B is FALSE? Group of answer choices It is a component of the mitosis or maturation promoting factor (MPF) Its production and activation is linked to extracellular stimuli It interacts and activates CDK1 protein kinase Its destruction by APC/C signals the end of mitosis All of the above are truearrow_forwardQuestion 10 Review Concept 12.3 Cell Cycle Regulation. Match the term and its description. Each term can only be used once. The control of the sequential events of the cell cycle is [Choose ) termed as Where the cell cycle stops until a go-ahead signal is received [ Choose ] Crowded cells will stop dividing because of this mechanism [ Choose | called The spread of cancer cells to other parts of the body, where [ Choose] they may form additional tumors is called >arrow_forwardWhich stage of mitosis is shown in the picture? Prophase Telophase Metaphase Anaphasearrow_forward
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