Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 20.3, Problem 2CC
Development in Animals II: Cell Differentiation
Concept Check: Are hematopoietic stem cells totipotent, pluripotent, multipotent, or unipotent?
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Question 5
Review Concept 12.2 Phases of Cell Cycle. Match the term and its description. Each term can only be used once.
Chromosomes are duplicated during this phase.
[ Choose )
Mitosis and cytokinesis are parts of this phase called
[ Choose )
The life of a cell from formation to its own division is called
[ Choose )
>
>
MODEL 1:
M-phase checkpoint
G2 checkpoint
1. Consider each of the cells described below and
predict at which stage of the cell cycle (G1, S, G2,
M, or GO) they are currently in
Mitosis
A newly generated daughter cell
G1
A cell that is actively using DNA polymerase
A cell with fully condensed chromosomes
A mature, functioning neuron
(Hint: It will never divide again)
G, checkpoint
A cell with uncondensed, replicated chromosomes
DNA Synthesis
Can you draw 4th cell division of the adult stem cells. 1st and 2nd are symmetrically. 3rd and 4th are asymmetrically.
What kind of cell is the product at the 4th division? Explain your reasoning
Chapter 20 Solutions
Biology
Ch. 20.1 - 20.1 General Themes in Development Concept Check:...Ch. 20.1 - Prob. 2CCCh. 20.1 - Prob. 1CSCh. 20.2 - Development in Animals I: Pattern Formation...Ch. 20.2 - Development in Animals I: Pattern Formation...Ch. 20.2 - Prob. 3CCCh. 20.2 - Core Skill: Modeling The goal of this modeling...Ch. 20.2 - Development in Animals I: Pattern Formation Core...Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.3 - Development in Animals II: Cell Differentiation...
Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.4 - Development in Plants Concept Check: Where are...Ch. 20.4 - Prob. 2CCCh. 20 - The process whereby a cells morphology and...Ch. 20 - Prob. 2TYCh. 20 - Positional information is important in determining...Ch. 20 - Morphogens are a. molecules that disrupt normal...Ch. 20 - Prob. 5TYCh. 20 - Arrange the following phases of pattern formation...Ch. 20 - Prob. 7TYCh. 20 - Which of the following genes do not play a role in...Ch. 20 - An embryonic stem cell that can give rise to any...Ch. 20 - Prob. 10TYCh. 20 - Prob. 1CQCh. 20 - The MyoD gene in mammals plays a role in muscle...Ch. 20 - Prob. 3CQCh. 20 - Prob. 1COQCh. 20 - Is it possible for a phenotypically normal female...
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- Q6\ How can cell prevent any error can cause cancer or abnormal cell?arrow_forwardplease explainarrow_forwarduestion Which of the following properties are shared by all stem cells? O Both A and B are correct O(A) Asymmetric divisions (D) Pluripotent O(B) Unipotent O (C) Totipotent < Previousarrow_forward
- Division & Differentiation 10 What is the role of centrosomes during cell division? O A. to form the spindle fibers that attach to chromosomes OB. to form the boundary between newly formed cells OC. to form the membrane around the nucleus OD. to form the connection between two chromosomes Reset Submitarrow_forwardWhat specific molecular factors determine the differentiation of embryonic stem cells into different cell types during development?arrow_forwardVISUALIZE Sketch a roughly cuboidal cell preparing to divide. Indicate the orientation of the preprophase band and the site where the new cell walls of the daughter cells will form.arrow_forward
- Objective: To review the phases of mitosis with the understanding that in a real tissue or a non-synchronized cell culture, different mitotic phases and cells in interphase will be observed at a certain time. Interphase is the period between mitotic events; all other phases are part of mitosis and their individual probabilities add up to the total probability of seeing cells undergoing mitosis. Pay attention to the individual probabilities for cells in each phase of the cell cycle. Problem N° 10 For a certain type of animal tissue, the probability of a randomly selected cell being in a particular stage of the interphase/mitosis cycle is given by the following table: Stage Probability Interphase 0.5 Prophase 0.1 Metaphase 0.05 Anaphase 0.2 Telophase 0.15 Suppose you examine 100 cells at random from this tissue. A) How many cells do you expect to see in metaphase? _____ cells B) You have selected a high magnification (2000 X) in your…arrow_forwardGive The Correct matching and lightly Explain all point of question.arrow_forwardReview Concept 12.1 Cell Division. Match the term and its description. Each term can only be used once. All the DNA in a cell is called its [Choose] Choose] Material of chromosome, a complex of DNA ani protein is referred as sister chromatids These nonreproductive cells or body cells are called somatic cells gametes This duplicated chromosome attached along thcir lengths by centromere cohesins. each contain two cell division This is the narrow "waist" of the duplicated chromosome where the two sister chromatids are attached. chromatin genomearrow_forward
- Learning Task 2: Directions: Identify if the statement is Mitosis or Meiosis. 11. 12. 13. 14. attach to the chromatids at the centromere and pull apart the chromatids. 15. is a continuous process of cell division which occurs in all types of living cells. involves four basic phases - prophase, metaphase, anaphase and telophase. in humans, this means the chromosome number is reduced from 46 to 23. In _the nuclear membrane is broken down, spindle fibers (microtubules) each nucleus is identical to the original nucleus as it was in G1.arrow_forward6arrow_forwardDirection: Fill-up the tablearrow_forward
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