QUESTION 1 If cells do not pass the G1 checkpoint what happens to them? They begin mitosis They begin S phase O They die They go into GO QUESTION 2 During the early mitotic checkpoint what does the cell monitor? DNA damage Microtubule attachment to kinetochores Presence of growth factors Successful duplication of chromosomes

QUESTION 1 If cells do not pass the G1 checkpoint what happens to them? They begin mitosis They begin S phase O They die They go into GO QUESTION 2 During the early mitotic checkpoint what does the cell monitor? DNA damage Microtubule attachment to kinetochores Presence of growth factors Successful duplication of chromosomes

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 13RQ: Separation of the sister chromatids is a characteristic of which stage of mitosis? prometaphase...

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please help me answer these 2 questions po in not more than 20 words po. Thank you What will happen to an organism once its cells failed to undergo the process of 1A. Mitosis? __________________________ 1B. Meiosis? _________________________
please help me answer these 3 questions. thank you! 1. at what stage of mitosis can be the kind and number of chromosomes be easily detected and determined? Justify. 2. List at least 3 significance of mitosis 3. How many chromosomes are there in each stage of mitosis in onion and in animal like Drosophila?
Need answer of 4,5,6. Shortly plz 4.If the most basic function of the cell cycle is to duplicate accurately the DNA in the chromosomes and then distribute the copies precisely to the daughter cells, why are there gaps between S phase and M phase? 5. Describe the molecular mechanism of a CDK activation. 6. What is the cyclin-CDK complex in the M phase of the cell cycle?
Most healthy body cells spend the majority of their lives in ________. a. prophase b. metaphase c. anaphase d. telophase e. interphase f. senescence
Pre-lab Questions: Answer these questions before your scheduled lab period. Why is it critical that cells are able to go through mitosis? What is the purpose of meiosis? Briefly explain the 3 major stages of the cell cycle. The process of mitosis is subdivided into 4 stages: prophase, metaphase, anaphase and telophase. During which stage of mitosis do the following occur? ____________________ Chromosomes line up at the equator ____________________ Nuclear envelope disappears and chromosomes condense _____________________ Microtubules pull sister chromatids apart d._____________________ Nuclear envelope reappears and chromosomes condense 5.Name one way the cellular division differs between plant and animal cells. Name 3 differences between mitosis and meiosis. 1) 2) 3)
QUESTION 40 What is the driving force to separate the sister chromatids during Anaphase A of mitosis? A. Loss of microtubule subunits from the plus ends of the kinetochore microtubules B. Addition of microtubules at the plus ends of the chromosomal microtubules. C. Loss of microtubule subunits from both ends of the astral microtubules. D. Addition of microtubule subunits at the plus ends of the overlap microtubules.
Need answers of following questions plz help. 27. The drug cytochalasin B3 blisks the polymentation of actin muroims Which of the following events of the cell cycle in animal cells would be mod dertly dispued by cytochalasim B? A spindle famation B. spindle attachment to kinetochores C movement of chromosomes to the poles during anaphase. D cleavage furrow formation and kinesis 28. Which of the following pairs of molerades make up an MP A a growth factor and misotic facti B. ATP synthetase and a protease C. cyclin and tubulin D. cyclin and a cyclin-dependent kinase 29. Which of the following statements best describes what would happen if MPF (maationing factor) is introduced imo intature fiog oocytes that are arrested in Ci A. The cells would remain arrested in 0₂ B. The cells would enter Go C. The cells would enter milis D. The cells would begin DNA synthesis 30, If all chromosomes are not attached to the mitotic spinitie at the M pluse checkpot, the cells would most likely be…
QUESTION 37 What is the driving force to separate the spindle poles during Anaphase B of mitosis? A. Addition of microtubule subunits at the plus ends of the overlap microtubules. B. Loss of microtubule subunits from both ends of the astral microtubules. C. Addition of microtubules at the plus ends of the kinetochore microtubules. D. Loss of microtubule subunits from both ends of the kinetochore microtubules
HELP PLEASEE, 5 SENTENCE AND EXAMPLE What do you think will happen if mitosis is the end point of cell Division?
Please answer All the Questions. I will give a thumbs up or like. Describe the life of one chromosome as it proceeds through an entire cell cycle, starting with G1 of interphase and ending with telophase of mitosis. Classify epithelia on the basis of cell layering and cell shape. Using words and arrows, show the blood clotting phenomenon. What characteristic of the nerve cell enables it to function for communication? Why is blood considered a tissue? What is Genetics? Who is Gregor Mendel? What are his contribution in the science of genetics? Some regards the interphase as the resting stage of the cell, do you agree with this line of thought? Support your answer. Please choose the correct answer: Which of the following does NOT occur by mitosis? Production of gametes Repair Development in the embryo Growth The following two questions refer to the sketch below of a cell containing chromosomes; The picture is attached How many chromosomes are in this cell? 2 4 8 16 How…
13) A phosphotase removes an inhibitory phosphotyrosine phosphate from the serine protein kinase, in MPF whcih activates the kinase and triggers the initiation of mitosis. true or false
18. cell differentiation is where a cell makes an irreversible commitment to follow a specific developmental path true or false