Campbell Biology: Concepts & Connections, 9e, Access Code
9th Edition
ISBN: 9780134536262
Author: Taylor
Publisher: PEARSON
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Chapter 8, Problem 13TYK
An organism called a plasmodial slime mold is one large cytoplasmic mass with many nuclei. Explain how such a “megacell” could form.
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Chapter 8 Solutions
Campbell Biology: Concepts & Connections, 9e, Access Code
Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a grasshopper contains 24...Ch. 8 - Which of the following is not a function of...Ch. 8 - It is difficult to observe individual chromosomes...Ch. 8 - A fruit fly somatic cell contains 8 chromosomes....Ch. 8 - If a fragment of a chromosome breaks off and then...Ch. 8 - Which of the following phases of mitosis is...Ch. 8 - A biochemist measured the amount of DNA in cells...Ch. 8 - A micrograph of a dividing cell from a mouse...Ch. 8 - Cytochalasin B is a chemical that disrupts...
Ch. 8 - Why are individuals with an extra chromosome 21,...Ch. 8 - In the light micrograph below of dividing cells...Ch. 8 - An organism called a plasmodial slime mold is one...Ch. 8 - Prob. 14TYKCh. 8 - Discuss the factors that control the division of...Ch. 8 - Compare cytokinesis in plant and animal cells. In...Ch. 8 - Sketch a cell with three pairs of chromosomes...Ch. 8 - Suppose you read in the newspaper that a genetic...Ch. 8 - Bacteria are able to divide on a faster schedule...Ch. 8 - Prob. 20TYKCh. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - What you think of as a banana is a Cavendish, one...Ch. 8 - SCIENTIFIC THINKING The study described in Module...
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- Suggest a reason why some eukaryotic cells lack cell walls.arrow_forwardA vesicle in the cytoplasm is found to contain DNA with nucleotide sequences similar to those found in bacterial DNA. How may have this become present in the cell? a.Endocytosis b.Endosymbiosis c.Autophagy d.Exocytosisarrow_forwardBriefly tell what organelles are, then give some information about why they are called inner membrane systems. What can you say about the existence of organelles in prokaryotes and to compensate for the functions occurring in the organelle?arrow_forward
- What characteristic of mitochondria and chloroplasts makes themdifferent from other organelles and suggests they were onceindependent organisms?a. They have a specialized function in the cell.b. They are surrounded by a membrane.c. They contain enzymes.d. They have their own DNA and ribosomes.arrow_forwardWhich of these structures is not an example of an extracellular matrix? A. Nuclear envelope B. Cuticle C. Cell wall D. Basement membranearrow_forwardThe cytoplasmic connections from cell to cell are known as: A middle lamella B plasmodesmata C cell membrane system D endoplasmic reticulumarrow_forward
- The presence of a nucleus organized within the membrane nuclear is characteristic of: A. Eukaryotic cells B. Unicellular C. Prokaryoating Cells D. Bacteriaarrow_forwardIn general terms, describe the structure and content of a "typical" protozoan and show how it largely conforms to that of a eukaryotic cell.arrow_forwardWhat is the function of a cell wall?Single choice. A. to protect and support the cell B. to perform different functions in each cell C. to prevent water from passing through itarrow_forward
- Bacterial cell walls are made of— glycosaminoglycans. chitin. glycogen. peptidoglycan. proteoglycans.arrow_forwardA cell that is missing this structure would not have a rigid structural support outside of its plasma membrane and would not be protected from exploding when placed in water. Name the structure and tell why. Then state which type of cell(s) have this structure.arrow_forwardBacteria are prokaryotic cells—they have no membrane enclosed nucleus nor other membrane-bound _______arrow_forward
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