Human Biology
16th Edition
ISBN: 9781260482799
Author: Mader, Sylvia
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 21, Problem 9A
Which of the following disorders is caused by a loss of enzymes in the lysosomes of the cell?
- osteogenesis imperfecta
- cystic fibrosis
- Tay-Sachs disease
- Marfan syndrome
- Huntington disease
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A cell with one mutation is unable to complete cell division (mitosis). What intracellular structure/structures might be defective? Explain your answer by first giving the normal role of this/these structures and then explaining why when defective, it/they might prevent the cell from completing mitosis.
All of the specialized somatic cells of multicellular organisms _________.
Select one:
contain less genetic material than less specialized cells of the same organism.
develop through mutation from less specialized cells of the organism.
have the same amount of DNA and the same number of chromosomes as all other cells of the organism and develop from the same basic stem cells.
contain more genetic material than less specialized cells of the same organism
Cytokinesis is the division of a cell following mitosis, and is driven by the formation of contractile ring of actin and myosin II just beneath the plasma membrane, midway between daughter cell nuclei.
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Chapter 21 Solutions
Human Biology
Ch. 21.1 - Distinguish between a genotype and a phenotype.Ch. 21.1 - Define allele, gene, dominant, and recessive as...Ch. 21.1 - Prob. 3LOCh. 21.1 - Define the following terms:Â gene, allele, locus,...Ch. 21.1 - Prob. 2CYPCh. 21.1 - Prob. 3CYPCh. 21.2 - Prob. 1LOCh. 21.2 - Calculate the probability of a specific genotype...Ch. 21.2 - Prob. 1CYPCh. 21.2 - Prob. 2CYP
Ch. 21.2 - Using a dihybrid cross as an example (see Fig....Ch. 21.3 - Interpret a human pedigree to identify the pattern...Ch. 21.3 - Prob. 2LOCh. 21.3 - Solve the following: In a pedigree, all the...Ch. 21.3 - Prob. 2CYPCh. 21.3 - Explain why some incidences of autosomal recessive...Ch. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.4 - Prob. 1BTSCh. 21.4 - Prob. 2BTSCh. 21.4 - Prob. 1CYPCh. 21.4 - Prob. 2CYPCh. 21.4 - Discuss the potential evolutionary advantages of...Ch. 21.5 - Prob. 1LOCh. 21.5 - Prob. 2LOCh. 21.5 - Prob. 1CYPCh. 21.5 - Prob. 2CYPCh. 21.5 - Discuss why X-linked disorders are more common...Ch. 21.5 - Prob. 1BTSCh. 21.5 - Prob. 2BTSCh. 21 - Prob. 1ACh. 21 - 2. Which of the toll awing terms refers to...Ch. 21 - Prob. 3ACh. 21 - Prob. 4ACh. 21 - 5. The genotype of an individual with the dominant...Ch. 21 - Prob. 6ACh. 21 - Prob. 7ACh. 21 - Prob. 8ACh. 21 - Which of the following disorders is caused by a...Ch. 21 - Prob. 10ACh. 21 - Prob. 11ACh. 21 - Prob. 12ACh. 21 - Which of the following terms may be used to...Ch. 21 - Prob. 14ACh. 21 - Prob. 15ACh. 21 - Prob. 1TCCh. 21 - Prob. 2TCCh. 21 - Prob. 3TC
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- Cell specializations are usually a modification or elaboration of one of the basic cell functions. (True or fa1se?)arrow_forwardWhich of the following is defined as the division of the cytoplasm? interphase mitosis anaphase cytokinesis metaphase telophase prophasearrow_forwardWhy cell injury due to genetic causes are alarmingly increasing each year. Explain at your own wordsarrow_forward
- How does cystic fibrosis affect membranes of Nucleus Mitochondria Endoplasmic reticulum lysosomearrow_forwardIf a drug interferes with the formation of microtubules , its effectiveness must be related to disruption of mitotic spindle formation suppression of cyclin production inhibition of DNA synthesis myosin denaturation and inhibition of cleavage formationarrow_forwardWhich type of cell division is responsible for the repair of your skin following a sunburn? mitosis/Meiosis or botharrow_forward
- Which of the following phenomena exhibit mitosis? The wound healing process mediated by blood cells and formation of new skin cells All of the above A lobe of the liver can regrow after it is donated. The development of an embryo to full grown fetusarrow_forwardDescribe the role of the cytoskeleton in mitosis specifically regarding the formation of the mitotic spindle and the contractile ring.arrow_forwardList 1-2 organelles that will be prominent in the following cells to support the major function: Macrophages ingesting bacteria Muscle cell for contraction Thyroid gland secreting hormone Sperm to move fast to the eggarrow_forward
- Cell membrane modifications found on epithelial cells in the small intestine and kidney tubules that prevent movement of material from the intestinal tract into the peritoneal cavity are called ______arrow_forwardEven though cytokinesis is included with Mitosis, we generally consider it to be its own phase. Why? by the time cytokinesis occurs, the cell has already split by the time cytokinesis occurs, the cytoplasm has already split by the time cytokinesis occurs, the nucleus has already split by the time cytokinesis occurs, the cell has copied all of its chromosomesarrow_forwardThe cytoskeleton is made of microtubules, intermediate filaments, and microfilaments. Which of the following structures does NOT contain one of these cytoskeletal elements? a sperm cell cilia phagocytic cell flagella mitochondriaarrow_forward
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