CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
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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Students have asked these similar questions
Identify the characteristics if it is prokaryotic or eukaryotic cells.
1. It contains organelles that are membrane bounded
2. No histones
3. It produce through binary fission
4. These are usually in the cytoplasm
5. They are usually microscopic and unicellular organism
6. They usually possess structures called pili
7. Cytoskeleton is absent
8. They are lack of nucleus
9. They secretes a layer of polysaccharide around the cell
10. Their genes are found in the nucleoid
True or False
Cell walls are present in the cells of archaea, bacteria, algae, fungi, and plants only.
Photosynthetic unicellular prokaryotes such as Oscillatoria exhibit a green color when viewed under a microscope because of the presence of numerous chloroplasts.
The nuclear membrane is a double-membrane structure that constitutes the outermost portion of the nucleus and is continuous with the Endoplasmic Reticulum.
Nucleus is surrounded by a
Single membrane
Triple membrane
Non membrane at all
Double membrane
Chapter 8 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
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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- A prokaryote converts food energy into the chemical energy of ATP on/in its: chromosome. flagella. ribosomes. cell wall. plasma membrane.arrow_forwardWhether the statement "Peroxisomes are found in only a few specialized types of eukaryotic cell" is true or false.arrow_forwardA cell is characterized by the presence of a nucleus, many green organelles, a large water-filled vacuole, and a rigid cell wall. Therefore, it is an example of a cell. prokaryotic animal plant probetarrow_forward
- You are using a computer program to design a new single-celled organism. Discuss why a flat, plate-like cell will be more efficient in transporting materials than a spherical, ball-like cell of the same volume.arrow_forward1 2- 3 4 5 6 Label the indicated structures in each type of cell in the illustrations below. Centrosome 15 14 13 Wall of adjacent cell AZA Plasmodesmata 12 8 -9 -10 11 12 13 -14 15arrow_forwardIn observing a cell, you note the presence of flagella. What could you look for to distinguish this specimen between a prokaryotic cell and an animal cell? Group of answer choices Confirm the presence or absence of a plasma membrane. Confirm the presence of a cell wall. Confirm the presence or absence of a nucleus. Confirm the presence or absence of ribosomes.arrow_forward
- Paramecia live mostly in freshwater and move with the use of structures called cilia. They utilize contractile vacuoles to expel water that enters the cell by osmosis. Euglena are unicellular organisms that use flagella for movement and chloroplasts for photosynthesis. They are found in freshwater and saltwater. Scientists have determined that Paramecia and Euglena are eukaryotes and not prokaryotes because they havearrow_forwardIs the cell the fundamental unit of life in plasmodial slime molds? Or is the “whole organism,” regardless of cellular composition, the fundamental unit? Explain your answer.arrow_forwardSECTION rs of Lab Section: 3.3 FUNGUS-LIKE PROTISTS Answer the following questions: v. 20231 What is a possible function of cytoplasmic streaming in the slime mold? To help distribute and redistribute nutrient throughout organism. Hypothesize as to how you think the living slime mold plasmodium (feeding stage) would react if you warm it up by leaving it on your microscope stage under high illumination for about 30 minutes? thearrow_forward
- Which of the following is true of the flagellum in eukaryotes? It is a long, thin extracellular (exterior) structure, with a basal motor embedded in the cell membrane/cell wall. It is identical to the archaeal flagellum (archaellum) in composition and structure, but very different in composition and structure from bacterial flagella. It is a long, thin structure containing bundles of microtubules and motor proteins, all within the plasma membrane. Eukaryotic cells do not possess flagella.arrow_forwardDiatoms are protists that have complex glassy structures in their cell walls. These structures form within the Golgi apparatus. How do these structures reach the cell wall without having to pass through the plasma membrane? What is the evolutionary advantage of bacteria that have flagella vs. bacteria that do not?arrow_forwardA clinical microbiologist is studying a microbe that can cause infections and gastrointestinal disease in humans, and which can also survive and reproduce in mice. A dormant cyst form of the microbe infects human hosts through fecal-oral transmission if they come in contact with mouse droppings and don’t wash their hands before eating. The organism grows in long filaments when grown at 20-28 deg C, and forms round/ovoid cells when grown at temperatures above 28 deg C. Sexual reproduction (fusion of haploid gametes) occurs in both humans and mice. A cell wall is present, and cells contain nuclei. This microbe could be which of the following? Bacterium Fungus Virus Protozoanarrow_forward
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