Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 2, Problem 6RQ
Summary Introduction
To determine:
The true statement about centrioles.
Introduction:
Eukaryotic cells have cell organelles that are separated from each other by means of the membranes present around them. The region of the cell that contains all the cell organelles is known as the cytoplasm of the cell. The nucleus is present in the center of the cell and the nucleoplasm is differentiated from the cytoplasm by the presence of the nuclear membrane.
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Chapter 2 Solutions
Human Anatomy
Ch. 2 - What are the three general regions of a cell?Ch. 2 - What types of macromolecules compose the plasma...Ch. 2 - By what process does water enter and leave the...Ch. 2 - Which transport process carries large...Ch. 2 - Which cellular organelles are involved with...Ch. 2 - Which organelle produces the energy needed for...Ch. 2 - Which organelle would be prevalent in a cell that...Ch. 2 - Which cytoskeletal element functions to resist...Ch. 2 - What does the nucleolus produce?Ch. 2 - Which cytoplasmic organelle is continuous with the...
Ch. 2 - How does the appearance of extended chromatin...Ch. 2 - In which phase of the cell life cycle does the...Ch. 2 - Prob. 13CYUCh. 2 - Which cellular structures would be abundant in...Ch. 2 - Which organelles would be abundant in cells that...Ch. 2 - According to which aging theory presented here can...Ch. 2 - The endocytotic process in which particulate...Ch. 2 - The nuclear substance composed of histone proteins...Ch. 2 - Final preparations for cell division are made...Ch. 2 - Prob. 4RQCh. 2 - Identify the cell structure or organelle described...Ch. 2 - Prob. 6RQCh. 2 - The trans face of the Golgi apparatus (a) is its...Ch. 2 - Prob. 8RQCh. 2 - Name the appropriate stage of mitosis (prophase,...Ch. 2 - Name the cytoskeletal element (actin...Ch. 2 - Prob. 11RQCh. 2 - Which of these processes involves specific...Ch. 2 - List all the cytoplasmic organelles that are...Ch. 2 - Martin missed a point on his anatomy test because...Ch. 2 - In this chapter, we claimed that mitochondria are...Ch. 2 - Define chromosome, then compare the arrangement of...Ch. 2 - Prob. 17RQCh. 2 - Use the analogy of the cell as a manufacturing...Ch. 2 - Prob. 1CRCAQCh. 2 - Kareem had a nervous habit of chewing on the inner...Ch. 2 - The normal function of one tumor-suppressor gene...Ch. 2 - In their anatomy labs, many students are exposed...Ch. 2 - The sedative phenobarbital is a lipid-soluble...Ch. 2 - The drug vinblastine is used in cancer therapy to...Ch. 2 - Use the word roots listed at the start of Chapter...
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- Which of the following does not occur during mitosis? (a) (b) (c) (d) Chromatin condenses and forms chromosomes. Chromosomes move to the equator of the cell. Spindle fibres pull homologous chromosomes to opposite poles of the cell. Two new nuclei are formed that have two full sets of genetic information.arrow_forwardWhich of the following diagrams correctly depicts the orientation of microtubules during metaphase of mitosis? A B C OA I (-) (+) (+) (+) (+) (+) (+) (+) (+)50 (+) == (-) XX [(+) (-) E (-) J ++) (+) - (+) (-) (+) 11 15+ E (+) (-) 50 at &&05 (-) 50) (+) (-) (-) (+) (-) D E (+) (+) (+) D (-) St (+) coff (+) (-) (+) (+) (-) (-) (+) (-) (-) affere XXX (-)- (-) ++) (+) (-) (-) (-) (-) Karrow_forwardFinal preparations for cell division are made during this stage of the cell life cycle: (a) G1, (b) G2, (c) M, (d) S.arrow_forward
- Cell division and apoptosis a) The cell cycle is divided into different phases (named M, G0, G1, S and G2). Can you explain what happens during the different parts of the cycle and how to control it? b) What is the difference between apoptosis and necrosis? c) What are caspases and what is their function in the cell?arrow_forwardThe nuclear substance composed of histone proteins and DNA is (a) chromatin, (b) the nuclear envelope, (c) nucleoplasm, (d) nuclear pores.arrow_forwardWhich of the following events does not take place during mitosis?(a) The centromeres of the chromosomes split. (b) The nucleoli disappear, and the two centrosomes separate from one another. (c) The nuclear envelope breaks. (d) Four daughter cells are generated. (e) The chromosomes cluster at the cell’s equator.arrow_forward
- (a) What is the centrosome? (b) Cytoskeletal elements play important roles in cell division. The mitotic spindle apparatus is made up of and pulls sister chromatids apart, whereas the contractile ring is made up of required for the separation of daughter cells at the end of the mitotic phase of the cell cycle. Question 8 Diagrammatically show metaphase and telophase of mitosis using a cell that is 2n=2 which has one metacentric chromosome and one telocentric chromosome.arrow_forwardCell A has half as much DNA as cells B, C, and D in a mitoticallyactive tissue. Cell A is most likely in(A) G1.(B) G2.(C) prophase.(D) metaphase.arrow_forwardThe inner nuclear membrane is lined by the nuclear lamina, a filamentous network which serves as an attachment site for chromatin and structural support and possibly other functions. a) True b) Falsearrow_forward
- Answer the following question correctly as multiple choice answer (1)Transportation within the cells, mainly between Nucleus and cytoplasm is done by-(a)Vacuole(b)Golgi-body(c)Endoplasmic Reticulum (d)Lysosome. (2) Secretion of hormones and enzymes within the cell is made by - (a)Ribosome(b)Golgi body(c)Endoplasmic Reticulum(d)Centriole.arrow_forward-Mature parent cell Budding- cell 1 μη Test II. Examine the micrograph of the yeast cells. The scale bar under the photo is labeled 1 um. The scale bar works in the same way as a scale on a map, where, for example, 1 inch equals 1 mile. In this case the bar represents one thousandth of a millimeter. Using the scale bar as a basic unit, determine the diameter of the mature parent cell and the new cell. Start by measuring the scale bar and the diameter of each cell. The units you use are irrelevant, but working in millimeters is convenient. Divide each diameter by the length of the scale bar and then multiply by the scale bar's length value to give you the diameter in micrometers.arrow_forwardTelophase in Mitosis a ) Chromosomes begin to uncoil into chromatin. b) Nucleolus and nuclear membrane begin to reappear. c) Spindle slowly dissolves. d) In animal cells, cytokinesis occurs with a cleavage furrow dividing one cell into two cells. e) In plant cells, cytokinesis occurs with the formation of a cell plate. This plate divides the original cell into two cells and is part of the new cell wall.arrow_forward
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