Campbell Biology & Alkaline Vents Supplemental Materials for Campbell Biology & Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology Package
1st Edition
ISBN: 9780133984293
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 30, Problem 9TYU
WRITE ABOUT A THEME: ORGANIZATION Cells arc the basic units of structure and function in all organisms. A key feature in the life cycle of plants is the alternation of multicellular haploid and diploid generations. Imagine a lineage of flowering plants in which mitotic cell division did not occur between the events of meiosis and fertilization (se Figure 30.12). In a Short essay (lOO-150 words), describe how this change in the timing of cell division would affect the structure and lifecycle of plants in this lincagc.
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A diploid plant cell contains 54 chromosomes (2n=54). Describe the number arrangements of chromosomes in each of the following:
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b.A gametophyte cell at the conclusion of the S phase of mitosis
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Describe the Venn diagram in detail.
Pick an organelle or cellular structure that is unique to plants. Explain why this would be necessary for plant survival AND why it isn't necessary in animal cells.
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QUESTION 21
Double fertilization involves 2 fertilizations, write the cells/nuclei involved with each, their ploidy level (ie. n, n+n, 2n, 3n).
with a ploidy level of
with a ploidy level of
Fertilization 1:
,with a ploidy level of
with a ploidy level of
with a ploidy level of
Fertilization 2:
with a ploidy level of
Chapter 30 Solutions
Campbell Biology & Alkaline Vents Supplemental Materials for Campbell Biology & Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology Package
Ch. 30.1 - Contrast how sperm reach the eggs of seedless...Ch. 30.1 - What features not present in seedless plants have...Ch. 30.1 - WHAT IF? If a seed could not enter dormancy, how...Ch. 30.2 - Use examples from Figure 30.7 to describe how...Ch. 30.2 - Explain how the pine life cycle in Figure 30.4...Ch. 30.2 - Prob. 3CCCh. 30.3 - It is said that an oak is an acorns way of making...Ch. 30.3 - Compare and contrast a pine cone and a flower in...Ch. 30.3 - WHAT IF? Do speciation rates in closely related...Ch. 30.4 - Explain why plant diversity can be considered a...
Ch. 30.4 - Prob. 2CCCh. 30 - Describe how the parts of an ovule (integument....Ch. 30 - Although there are fewer Ihan 1,000 spedes of...Ch. 30 - Explain why Darwin called the origin of...Ch. 30 - Prob. 30.4CRCh. 30 - Where in an angiosperm would you find a...Ch. 30 - Prob. 2TYUCh. 30 - With respect to angiosperms, which of the...Ch. 30 - Which of thc following is not a characteristic...Ch. 30 - Gymnosperms and angiosperms liave tlie following...Ch. 30 - DRAW IT Use the letters a-d to label where on the...Ch. 30 - EVOLUTION CONNECTION The history of life has been...Ch. 30 - Prob. 8TYUCh. 30 - WRITE ABOUT A THEME: ORGANIZATION Cells arc the...Ch. 30 - Prob. 10TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- VISUALIZE 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_forwardIn accordance to mitosis and meiosis, compare and contrast the processes in plants vs in animals. Create a venn diagram.arrow_forwardA researcher examining a root tip observes a plant cell with condensed daughter chromo- somes at each pole and a cell plate at the central plane of the cell. Which of the following best describes what will occur next in the cell? A The nuclear envelopes will break down, and the spindle fibers will begin to form. B с D Sister chromatids will align at the central plane via spindle fibers. The nuclear envelope will break down, and the spindle will begin to form. The chromosomes will decondense, and the daughter cells will enter the interphase.arrow_forward
- Which one of the following statements best describes the mechanism by which the "cell cycle control system" regulates events of the cell cycle? O Hydrophobic signaling molecules cross the plasma membrane at distinct stages in the cell cycle O Ca++ and CAMP release into the nucleus signal the progression of the cell cycle Changes in vesicle trafficking events signal progression of the cell cycle Changes in the cellular cytoskeleton signal progression of the cell cycle Protein phosphorylation and dephosphorylation events signal the progression of the cell cyclearrow_forwardExercise Observe the diagram below and answer the following questions: Image Source: Wikimedia Commons 18₂1)-(²) (Cr)-(1 1. Which process is represented in these diagrams? Mitosis or meiosis? Explain your answer. 2. How many chromosomes did the cell start with? 3. How many chromosomes are present at the end of division I? 4. How many chromosomes are present in each cell at the end of division II? Homologous Chromosomes 5. Explain how meiosis results in UNIQUE cells. 6. Is this cell division occurring in a plant cell or an animal cell? What is the main difference between the two divisions?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_forward
- Explain please both answer. I Know guidline .arrow_forwardThe following diagram is meant to help you understand how the amount of DNA in a cell changes as the cell cycle progresses. On the diagram, identify two of the stages of the cell cycle being described and identify how much DNA exists per cell, where a cell is defined as a distinct nucleus. Note that the sequence of images highlights one of the chromosomes of the cell. The other chromosomes, while also present, are faded in the background. Stage in Cell Cycle: A Status of Chromosomes: (Only one of the chromosomes is intensely colored) NANA INNNNNNN wwwww wwwNYA wwwww WXXXX VANNNNNN www Amount of DNA Per Cell: C NNNNA NNNNNN WWXXXXX NNNNNNE WNNNN www B NNNNN Between 1X and 2X 2X D 1Xarrow_forward个 Following graph shows number of chromosomes (N) and amount of DNA (C) in a cell undergone different stage of cells cycle. 4C 30+ 2C C+2N 2N 2N 2N ABCDEFGH Phase Which amongst the following statements should be correct on the basis of above given information? I. C' represents the phase just before prophase. II. H represents haploid stage of cell. III. G stage of cell has double the number of chromosomes as compared to C' stage. IV. A cannot be represented as acquiescent stage.arrow_forward
- What does it mean when chromosomes are said to condense during prophase of mitosis? How long are chromosomes after condensation is complete? How big is a typical dividing cell in a root or shoot? If a chromosome were still 20 μm long after condensation, would it be possible for division to pull half of it to one end of the cell and the other half to theother end?arrow_forwardThe image shows a section of a root tip of Broad Bean with cells from the region of cell division, just behind the root cap. Five cells have been numbered (1-5). Which statements accurately describe the mechanism by which the cells ensure that chromosomes are passed successfully to the next generation? Select ALL that apply. A - Cell 2 is undergoing anaphase to separate the duplicated chromosomes to opposite poles of the cell. B - Cell 1 lacks chromosomes and cannot contribute genetic material to future cells. C - Cells 4 and 5 have recently divided and are now haploid, containing half of a full set of chromosomes after division. D - Cells 4 and 5 have recently divided and have a cell plate that formed between them. E - Cell 3 is providing a mechanism for increasing genetic diversity in the daughter cells.arrow_forwardStone cells in coconut shells are part of the division of labor in plants. What modifications do they have that make it impossible for them to be dividing and growing cells ?arrow_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