Choose all of the TRUE statements. Hint: 4 statements are true. Cytokinesis occurs the same way in both plant and animal cells. Sister chromatids are genetically identical. The term chromosome can be used to describe both chromosomes composed of one and two chromatids. Mitosis results in daughter cells that are genetically identical to the parent cell. All eukaryotic somatic cells are diploid. Cyclin dependent kinases are present but not active in cell cycle regulation without the presence of cyclin proteins. Chromosomes are always visible in the cell.

Choose all of the TRUE statements. Hint: 4 statements are true. Cytokinesis occurs the same way in both plant and animal cells. Sister chromatids are genetically identical. The term chromosome can be used to describe both chromosomes composed of one and two chromatids. Mitosis results in daughter cells that are genetically identical to the parent cell. All eukaryotic somatic cells are diploid. Cyclin dependent kinases are present but not active in cell cycle regulation without the presence of cyclin proteins. Chromosomes are always visible in the cell.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter10: Cell Reproduction

Section: Chapter Questions

Problem 1VCQ: Figure 10.6 Which of the following is the correct order of events in mitosis? Sister chromatids line...

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Select true or false for each of the following statements regarding anaphase I. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse
Match the following terms with their definition. Note that some of the terms will not be used. 1. S phase 2. Oncogene 3. G0 phase 4. Cyclin 5. Metaphase checkpoint 6. G2 phase 7. G1 checkpoint 8. Cyclin-dependent kinase 9. Mitosis ______The stage a cell is in if it is not going to divide ______The part of the cell cycle during which newly replicated DNA is checked for mistakes ______The part of the cell cycle during which DNA replication occurs ______An enzyme that adds phosphate groups to other proteins only when it is bound to another protein ______A protein that is present at high levels only during certain times of the cell cycle _____Point at which the cell dies if all the chromosomes are not correctly attached to the mitotic spindle
Select true or false for each of the following statements regarding anaphase II. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse Non-kinetochore microtubules lengthen the cell. Answertruefalse
Which of the following scenarios accurately describes the actions occurring during the S phase? Group of answer choices The chromosome number is halved in preparation for cell division. The cell enlarges, proteins are increased and organelles are duplicated. Cell reaches maximum size and adds more proteins. Each chromosome is duplicated; each chromosome results in two sister chromatids attached at a centromere.
The cell cycle is typically thought of as having four stages. Describe the stages of the cell cycle and identify the mechanism(s) involved in progressing or not progressing through the stages with reference to proteins and signalling processes involved. Please keep brief - 10 sentences/dot points max.
Answer each question with a paragraph; 3-5 sentences each. Explain the difference between a proto-oncogene and a tumor-suppressor gene. Explain the difference between prokaryotic and eukaryotic cell division. Explain the difference between positive regulation of the cell cycle and negative regulation of the cell cycle. Explain the difference between normal p53 and mutated p53. Find two differences and two similarities between binary fission and mitosis.
Draw diagrams for each phase of Mitosis in the correct order. Including Mitosis as part of the cell cycle is beneficial but not required. Identify the most important relevant details about each phase. There are at least 2 details or terms associated with each phase. Please use the proper names for parts such as centromeres, spindle fibres, etc.
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 true
Which event occurs in S-phase? Question 4 options: Mitotic spindle is created. Normal growth and cell function Energy stores are replenished Karyokinesis None of the above
Which of the following are stages in the cytokinesis of animal cells? Select all that apply. After telophase, the contractile ring constricts the plasma membrane and forms a cleavage furrow. A contractile ring of microfilaments and motor proteins forms under the plasma membrane during anaphase. The cell plate expands along the plane of division, and when the plate fuses with the plasma membrane, the cytoplasm is partitioned into two new cells. The contractile ring reaches its smallest diameter, and the spindle microtubules are cut as vesicles form the new membranes that separate the two new cells.
Which of the following is true with respect to cyclins and CDKs? A) CDKs promote progression of the cell cycle, cyclins function to inhibit progression of the cell cycle B) CDKs are the checkpoints in the cell cycle, and when bound to cyclins, they stop progression of the cell cycle C) CDKs will only work to promote progression of the cell cycle when complexed with their designated cyclins D) CDKs are rarely expressed during a cell's cycle, unless cyclins are present to act as transcription factors .
Which of the following statements are correct? Explain your answers. Cells do not pass from G1 into M phase of the cell cycle unless there are sufficient nutrients to complete an entire cell cycle. Apoptosis is mediated by special intracellular proteases, one of which cleaves nuclear lamins. Developing neurons compete for limited amounts of survival factors. Some vertebrate cell-cycle control proteins function when expressed in yeast cells. The enzymatic activity of a CDK protein is determined both by the presence of a bound cyclin and by the phosphorylation state of the CDK.

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		Cytokinesis occurs the same way in both plant and animal cells.
		Sister chromatids are genetically identical.
		The term chromosome can be used to describe both chromosomes composed of one and two chromatids.
		Mitosis results in daughter cells that are genetically identical to the parent cell.
		All eukaryotic somatic cells are diploid.
		Cyclin dependent kinases are present but not active in cell cycle regulation without the presence of cyclin proteins.
		Chromosomes are always visible in the cell.