Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 10, Problem 15RQ
The fusing of Golgi vesicles at the metaplhase plate of dividing plant cells forms what structure?
- cell plate
- actin ring
- cleavage furrow
- mitotic spindle
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The enzyme aminoacyl TRNA synthetase
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Which of the following statements best describes the process of phase separation in cells?
Proteins can assemble as liquid droplets that are not bounded by a membrane in either the cytoplasm or nucleus
A protein can separate into different organelles dependent on the phase of the cell cycle
Proteins that are assembled in one phase of the cell cycle and degraded in the next are said to undergo phase separation
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Chapter 10 Solutions
Biology 2e
Ch. 10 - Figure 10.6 Which of the following is the correct...Ch. 10 - Figure 10.13 Rb and other proteins that negatively...Ch. 10 - Figure 10.14 Human papillomavirus can cause...Ch. 10 - A diploid cell has ________ the number of...Ch. 10 - An organism s traits are determined by the...Ch. 10 - The first level of DNA organization in a...Ch. 10 - Identical copies of chromatin held together by...Ch. 10 - S. Chromosomes are duplicated during what stage of...Ch. 10 - Which of the following events does not occur...Ch. 10 - The mitotic spindles arise from which cell...
Ch. 10 - Attachment of the mitotic spindle fibers to the...Ch. 10 - Unpacking of chromosomes and the formation of a...Ch. 10 - Separation of the sister chromatids is a...Ch. 10 - The chromosomes become visible under a light...Ch. 10 - The fusing of Golgi vesicles at the metaplhase...Ch. 10 - At which of the cell-cycle checkpoints do external...Ch. 10 - What is the main prerequisite for clearance at the...Ch. 10 - If the M checkpoint is not cleared, what stage of...Ch. 10 - Which protein is a positive regulator that...Ch. 10 - Many of the negative regulator proteins of the...Ch. 10 - Which negative regulatory molecule can trigger...Ch. 10 - are changes to the order of nucleotides in a...Ch. 10 - A gene that codes for a positive cell-cycle...Ch. 10 - A mutated gene that codes for an altered version...Ch. 10 - Which molecule is a Cdk inhibitor that is...Ch. 10 - Which eukaryotic cell-cycle event is missing in...Ch. 10 - FtsZ proteins direct the formation of a...Ch. 10 - Compare and contrast a human somatic cell to a...Ch. 10 - What is the relationship between a genome,...Ch. 10 - Eukaryotic chromosomes are thousands of times...Ch. 10 - Briefly describe the events that occur in each...Ch. 10 - Chemotherapy drugs such as vincristine (derived...Ch. 10 - Describe the similarities and differences between...Ch. 10 - List some reasons why a cell that has just...Ch. 10 - What cell-cycle events will be affected in a cell...Ch. 10 - Describe the general conditions that must be met...Ch. 10 - Compare and contrast the roles of the positive...Ch. 10 - What steps are necessary for Cdk to become fully...Ch. 10 - Rb is a negative regulator that blocks the cell...Ch. 10 - Outline the steps that lead to a cell becoming...Ch. 10 - Explain the difference between a proto-oncogene...Ch. 10 - List the regulatory mechanisms that might be lost...Ch. 10 - ______ can trigger apoptosis if certain cell-cycle...Ch. 10 - Name the common components of eukaryotic cell...Ch. 10 - Describe how the duplicated bacterial chromosomes...
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- Select the phase of the cell cycle depicted in the image below where spindle fibers align the chromosomes along the middle of the cell nucleus interphase prophase anaphase telophase metaphasearrow_forwardMatch these cell division phases with the appropriate processes Break down of the nuclear membrane [ Choose ] allowing mitotic spindles to connect to [Choose ] Telophase Metaphase Anaphase Prometaphase Cytokinesis Interphase kinetochores APC degrades securin which allows separase to become active which degrades the cohesin rings Dephosphorylation of nuclear pore and lamins cleavage of plasma membrane by actin and myosin contractile ring [ Choose ] copying of the genome [ Choose ] formation of the metaphase plate [Choose ]arrow_forwardWhich of the following events occurs in metaphase? Multiple Choice Spindle disappears Nuclear envelopes reassemble Sister chromatids separate Chromosomes align along equatorarrow_forward
- A section of elodea leaf is stained and examined under a microscope. The total number of cells in each stage of the cell cycle is as follows: Interphase- 150 Prophase- 20 Prometaphase- 11 Metaphase- 6 Anaphase- 5 Telophase- 1 If the complete cell cycle in an elodea leaf is 24 hrs. What is the average duration of metaphase in the cycle. Assume no cells are in G0.arrow_forwardthe light micrograph shows dividing cells near the tip of an onion root. identify and encircle a cell in each of the following stages: phrophase , prometaphase, metaphase ,anaphase and telophase. describe the major events occuring at each stage.arrow_forwardWhich of the following events does not normally occur in mitosis? Separation of sister chromatids from each other Formation of synaptonemal complexes Attachment of spindle fibers to centromeres Movement of sister chromatids to opposite poles Alignment of chromosomes along the metaphase platearrow_forward
- Which structure will form during the cytokinesis of a plant cell? septum cell plate cleavage furrow Which choice is an example of a product that is not a negative regulator protein. p21 RB1 p53 Cdk Which cell cycle checkpoint occurs during the mitotic phase of the cell cycle? M G2 G1 The mitotic phase of the cell cycle consists of cell growth DNA replication mitosis and cytokinesis The formation of a cleavage furrow only occurs during the cytokinesis of bacterial cells plant cells animal cells Single-celled eukaryotic organisms reproduce by the cell division process called reduction division mitosis meiosis binary fission In which stage of the cell cycle do cells that are not going to divide further are shunted into: S G1 G0 G2 Human sperm or egg cells contain one set of chromosomes which is a configuration known as __________ or ________. diploid, 2n diploid, n haploid, 2n haploid, n…arrow_forwardDuring cell division, centromeres have separated, and chromatids are pulled apart, becoming chromosomes. What happens after the chromosomes are pulled to opposite ends of the cell? Top of Form Prophase Anaphase Metaphasearrow_forwardSelect the phase of the cell cycle depicted in the image below where chromatin condenses and the nuclear membrane dissolves: prophase telophase metaphase anaphase interphasearrow_forward
- Select the phase of the cell cycle depicted in the image below where new membranes form around the daughter nuclei and the chromosomes are separated. telophase interphase prophase anaphase metaphasearrow_forwardWhat choice best describes what happens immediately following the image below in the process of cell division. (level 3) The cytoplasms splits Sister chromatids are seperated to opposite sides of the cell chromatin condenses into chromatids a new nuclear envelope is formed stv MacBook Air DII F10 80 F4 F3 & #3 2$ 7 8. 9 3 4 5 9. P Y W E R F G H J C V command nd .. .- レ V * 00arrow_forwardIntegration of the nuclear envelope, reappearance of the nucleus, uncoiling of the chromosomes, and disintegration of the spindle fibers happen shortly but do not manifest completely. O telophase I O telophase II telophasearrow_forward
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cell division of meiosis and mitosis; Author: Stated Clearly;https://www.youtube.com/watch?v=A-mFPZLLbHI;License: Standard youtube license