Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 4.6, Problem 1CC
Summary Introduction
To determine: The importance of highly invaginated inner membrane of the mitochondria.
Introduction: A eukaryotic cell consists of many cell organelles enclosed within a plasma membrane. Mitochondria and chloroplast are considered as semi-autonomous organelles because both possess the ability to grow and divide due to the presence of their own DNA. However, they are semi-autonomous as they depend on other parts of the cell, such as cytosol to import their internal components.
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Chapter 4 Solutions
Biology
Ch. 4.1 - What properties of deep-sea vents made them...Ch. 4.1 - Which protobiont seems most similar to todays...Ch. 4.1 - Core Skill: Connections Look back at Figure 3.11....Ch. 4.1 - Prob. 3CCCh. 4.2 - Prob. 1CCCh. 4.2 - Prob. 2CCCh. 4.3 - Prob. 1CSCh. 4.3 - Prob. 1CCCh. 4.3 - Prob. 2CSCh. 4.4 - Prob. 1CS
Ch. 4.4 - Describe the type of movements that occur between...Ch. 4.4 - Prob. 2CSCh. 4.5 - Prob. 1CCCh. 4.5 - Prob. 1CSCh. 4.5 - If we consider the Golgi apparatus as three...Ch. 4.5 - The Nucleus and Endomembrane System Experimental...Ch. 4.5 - Prob. 2EQCh. 4.5 - Prob. 3EQCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - Core Skill: Connections Look ahead to Figure...Ch. 4.7 - Prob. 1CCCh. 4.7 - Prob. 2CCCh. 4 - The cell theory states that a. all living things...Ch. 4 - Prob. 2TYCh. 4 - Prob. 3TYCh. 4 - Prob. 4TYCh. 4 - Each of the following is part of the endomembrane...Ch. 4 - Prob. 6TYCh. 4 - Functions of the smooth endoplasmic reticulum...Ch. 4 - Prob. 8TYCh. 4 - Prob. 9TYCh. 4 - Which of the following observations would not be...Ch. 4 - What are the four stages that led to the origin of...Ch. 4 - Explain how motor proteins and cytoskeletal...Ch. 4 - Prob. 3CQCh. 4 - Discuss the roles of the genome and proteome in...Ch. 4 - Prob. 2COQ
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- Some sperm mitochondria enter an egg during fertilization, but as sperm nature these mitochondria are tagged with a protein (ubiquitin) that marks them for destruction. What organelle carries out this destruction process?arrow_forwardSome sperm mitochondria enter an egg during fertilization, but as sperm nature these mitochondria are tagged with a protein (ubiquitin) that marks them for destruction. What organelle carries out this destruction process?arrow_forwardA spermatogonial cell undergoes mitosis before entering the meiotic cell cycle en route to the production of sperm. However, during mitosis the cytoplasm fails to divide, and only one daughter cell is produced. A resultant sperm eventually fertilizes a normal ovum. What is the chromosomal complement of the embryo?arrow_forward
- Based on your understanding of cellular organelles and their roles, what happens to a sperm cell once it is inside of the macrophage? Name 2 cellular functions that this will in turn support and briefly describe why/how?arrow_forwardT.S. of mammalian testis revealing seminiferous tubules show different types of cell.(i) Name the two types of cells of germinal epithelium.(ii) Name of cells scattered in connective tissue and lying between seminiferous tubules.Differentiate between them on the basis of their functions.arrow_forwardWhat cell-surface event wouldlikely fail if a sperm contactedan egg of another species?arrow_forward
- what a sex cell calledarrow_forwardWhat special features are evident in sperm cells butnot in somatic cells, and how do these specializationsfunction?arrow_forwardIn the Male reproductive gland in the growth zone there are 20000 primary spermatocytes. How many secondary spermatocytes can be formed spermatozoids?arrow_forward
- At puberty, the testes contain a finite number of cells and producean enormous number of sperm cells during the life span of a male.Explain why testes do not run out of spermatogonial cellsarrow_forwardReproductive physiology (human) a) At the time of ovulation, the released ovum (egg) has completed both meiosis I and meiosis II. b) Because the corpus luteum (CL) is rescued from atresia by hCG early in pregnancy, the CL continues to produce progesterone throughout the 9 months of a normal pregnancy. c) Late in the follicular phase, estrogen participates in a positive feedback loop that leads to a surge in luteinizing hormone and ovulation. d) Both (a) and (b) are correct and (c) is incorrect e) Statements (a), (b) and (c) are all correctarrow_forwardWhat important change happens to sperm in the female reproductive tract? a) The activation of the microtubule motors in the sperm tail b) The sperm head decondenses releasing the DNA c) Capacitation which increases sperm motility d) Loss of the fibrous sheath e) The outer dense fibres become less rigidarrow_forward
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