Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 1QP
Cell Structure Reflects Function
What advantages are there in having the interior of the cell divided into a number of compartments such as the nucleus, the ER, lysosomes, and so forth?
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Golgi apparatus
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Briefly describe the structure and function of these cellular structures/organelles: endoplasmic reticulum, ribosomes, Golgi apparatus, mitochondria, lysosomes, peroxisomes, cytoskeleton, cell fibres, centrosome, centrioles, and cell extensions.
"Which of the following cell processes depend on the movement of membrane components and would not be possible if membranes were rigid, nonfluid structures?"
cell movement
cell division
cell eating (phagocytosis) or cell drinking (pinocytosis)
all of the given are not possible with rigid nonfluid structures.
Chapter 2 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 2 - Prob. 1CSCh. 2 - Prob. 2CSCh. 2 - Prob. 3CSCh. 2 - Cell Structure Reflects Function What advantages...Ch. 2 - Assign a function(s) to the following cellular...Ch. 2 - How many autosomes are present in a body cell of a...Ch. 2 - Define the following terms: a. chromosome b....Ch. 2 - Human haploid gametes (sperm and eggs) contain: a....Ch. 2 - Prob. 6QPCh. 2 - Prob. 7QP
Ch. 2 - In the cell cycle, at which stages do two...Ch. 2 - Does the cell cycle refer to mitosis as well as...Ch. 2 - It is possible that an alternative mechanism for...Ch. 2 - Identify the stages of mitosis, and describe the...Ch. 2 - Why is cell furrowing important in cell division?...Ch. 2 - A cell from a human female has just undergone...Ch. 2 - During which phases of the mitotic cycle would the...Ch. 2 - Describe the critical events of mitosis that are...Ch. 2 - Mitosis occurs daily in a human being. What type...Ch. 2 - Speculate on how the Hayflick limit may lead to...Ch. 2 - How can errors in the cell cycle lead to cancer in...Ch. 2 - List the differences between mitosis and meiosis...Ch. 2 - In the following diagram, designate each daughter...Ch. 2 - Which of the following statements is not true in...Ch. 2 - Match the phase of cell division with the...Ch. 2 - A cell has a diploid number of 6 (2n = 6). a. Draw...Ch. 2 - A cell (2n = 4) has undergone cell division....Ch. 2 - We are following the progress of human chromosome...Ch. 2 - What is physically exchanged during crossing over?Ch. 2 - Compare meiotic anaphase I with meiotic anaphase...Ch. 2 - Provide two reasons why meiosis leads to genetic...
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- In the context of cell biology, what do we mean by form follows function? What are a least two examples of this concept?arrow_forwardThe plasma membrane __________. a. surrounds the cytoplasm b. separates the nucleus from the cytoplasm c. separates the cell interior from the environment d. both a and carrow_forwardBriefly describe the structure and function of each of the following: plasma membrane, chromatin, nucleus, nucleolus, rough endoplasmic reticulum (rough ER), Golgi complex, lysosomes, mitochondria, microfilaments, microtubules, intermediate filaments, centrioles, basal body (kinetosome), tight junction, gap junction, desmosome, glycoprotein, microvilli.arrow_forward
- 1. Lysosome is regarded as a body that is covered by membrane, a little smaller than mitochondrion and functions as storage for several hydrolytic enzymes. The enzymes in lysosome can digest substances that are engulfed by the cell and under certain conditions can destroy the cell itself. (a) Name ONE type of cell in the human body that contains many lysosomes. Explain why the cell contains many lysosomes. (b) State ONE different between the lysosome membrane and the mitochondrion membrane. (c) State ONE special feature of the lysosome membrane. (d) Explain how lysosome acts to release its enzymes in the cell.arrow_forwardA function of the lysosome is... To process energy for the cell House enzymes that break down substances Produce proteins Provide structural support to the cellarrow_forwardMany less dynamic, more permanent cellular structures such as the nuclear lamina have (????) as the major cytoskeletal component Intermediate filaments Microfilaments Microtubules What is the assembly of an mRNA from a DNA template called Translation Transcriptionarrow_forward
- Match each organelle with its corresponding structure/function. [Each choice will be used exactly once.] DOD Smooth Endoplasmic Reticulum Golgi Complex Lysosome Ribosome Nucleus 1. Made of rRNA and protein. A single membrane that is continuous with the Rough Endoplasmic Reticulum. Large spherical structure surrounded by 2 membranes that are spanned by pores. Resembles a stack of pita bread; where each pita is a flattened membranous sac. Small spherical sac filled with hydrolytic enzymes. 2. 3. 4. 5.arrow_forwardthe structure of the plasma membrane is best described as: two layers of phospholipids stacked on top of each other, with proteins embedded in the phospholipids Oa single layer of proteins and polysachharides mixed together two layers of proteins stacked on top of each other O many sheets of peptidoglycan stacked on top of each other O one layer of triglycerides on top of a layer of proteinsarrow_forwardPart D - The Golgi Apparatus Label the diagram below by dragging and dropping the descriptions. Each label will be used only once. ▸ View Available Hint(s) ‒‒‒‒‒‒ Transport vesicles arriving from the endoplasmic reticulum Forming (cis) face Cisternae Maturing (trans) face Secretory vesicle departing for the plasmalemma Plasmalemma Reset Help Lysosome containing digestive enzymesarrow_forward
- Compare and contrast lysosomes with peroxisomes:name at least two similarities and one differencearrow_forwardState how the following organelles differ from each otherin terms of structure and function: Golgi apparatus, lysosomes,peroxisomes, glyoxysomes. How do they resemble each other?arrow_forwardThe cytoplasm of a certain cell is composed of a solution that is 98% water, 2% solutes. Consider the solution shown in the beaker in this picture: FOOE OOS Foor solution. [Select] Cytoplasm is 98% water, 2% solutes. The solution in the beaker would be considered when compared to [Select] The plasma membrane is impermeable to solutes. Beaker solution is 98% water, 2% solutes the cell. We would expect that the cell would [Select] if it was placed in the would account for whatever changes might occur to the volume of the cytoplasm of the cell when it is placed in the solution.arrow_forward
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