Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 23.1, Problem 1TYK
Summary Introduction
Introduction:
Prokaryotes are the organism that lacks a membrane-bound nucleus, or any other membrane-bound organelle. Prokaryotes include both bacteria and the archaea, which appear to be distantly related to bacteria.
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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 have
Which of the following descriptions is not true of all eukaryotes?
(a) They are multicellular.
(b) They have cellular organelles.
(c) They have a larger cell size than prokaryotes have.
(d) They have a true nucleus. (e) All of the above are characteristics of all eukaryotes.
In 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.
Chapter 23 Solutions
Principles of Biology
Ch. 23.1 - Prob. 1TYKCh. 23.1 - Prob. 2TYKCh. 23.2 - Prob. 1TYKCh. 23.2 - Prob. 2TYKCh. 23.3 - Prob. 1CCCh. 23.3 - Prob. 1TYKCh. 23.3 - What essential role did early alphaproteobacteria...Ch. 23.4 - Prob. 1CCCh. 23.4 - Which structure is associated with motility in one...Ch. 23.5 - In which of the hosts does sexual mating of P....
Ch. 23.5 - Prob. 1TYKCh. 23.6 - Prob. 1CCCh. 23.6 - Prob. 2CCCh. 23.6 - Prob. 1BCCh. 23.6 - Prob. 1TYKCh. 23.7 - Prob. 1TYKCh. 23 - Prob. 1TYCh. 23 - Prob. 2TYCh. 23 - Prob. 3TYCh. 23 - Prob. 4TYCh. 23 - Prob. 5TYCh. 23 - The protists most closely related to the fungal,...Ch. 23 - Prob. 7TYCh. 23 - Prob. 8TYCh. 23 - People use bacteria, protists, or fungi to: make...Ch. 23 - Prob. 1CCQCh. 23 - Prob. 2CCQCh. 23 - Prob. 3CCQCh. 23 - Prob. 1CBQCh. 23 - Prob. 2CBQ
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- 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.arrow_forwardWhich of the following statements about the two domains of prokaryotes is NOT true? Group of answer choices the lipid composition of the plasma membrane in archaebacteria is different from eubacteria of the two groups, eubacteria are more closely related to domain eukarya eubacteria includes the proteobacteria, chlamydia and cyanobacteria both archaebacteria and eubacteria has cell wall but archaebacteria lack peptidoglycanarrow_forwardThe following chart lists a variety of cell types and classifies them by their cell arrangement and Domain. Which number is incorrect? Number Cell Type Cell Arrangement Domain 1 Prokaryotic Unicellular Bacteria Prokaryotic Multicellular Archaea 3 Eukaryotic Unicellular Eukarya 4 Eukaryotic Multicellular Eukarya O 1 O 2 0 3 4arrow_forward
- Distinguish between prokaryotic and eukaryotic microorganisms and compare them usingthe characteristics listed below: Prokaryotic Both (Prokaryotic And Eukaryotic) Eukaryotic PROKARYOTIC CELLS When viewed under microscopes : Which lacks a cell nucleus ? Which possesses a membrane-bound nucleus? Which contains many different structures? Which contains genetic materials? The Bacteria is classified as? Which is a cell? Which is a single-celled organism? Which contains ribosomes and cytoplasm? Which is Multicellular? The Fungi is Classified as?arrow_forwardWhat structure is not found in a prokaryotic cell?arrow_forwardCompare and Contrast the following between Prokaryotic and Eukaryotic Cell 1. Ribosome 2. Flagella 3. Glycocalyx 4. Plasma membrane 5. Cytoplasm and its inclusion bodiesarrow_forward
- Which of the following are true of prokaryotic cells? [Select any/all that apply.] They are usually multicellular organisms. They have ribosomes. They are represented in the Domain Bacteria. They have cell walls. Their DNA is in the nucleolus.arrow_forwardProkaryotic cells are_________ (larger/smaller) thaneukaryotic cells. The most common shapes of prokaryotesare ___________ , ______________,and _________.arrow_forwardWhy is the mitochondria so important to a eukaryoWhich is an example of a prokaryotic cell?tic cell? What is the plasmid in prokaryotes? What is the jelly-like matrix in both prokaryotes and eukaryotes that provides form to the cell and holds many of the organelles? What attribute should a hypothesis contain so that it lends itself to an objective experiment that relies on quantitative observations and data? Which is a properly written hypothesis?Which hypothesis states that no statistical significance exists between the independent and dependent variable? Question options: statistical hypothesis complex hypothesis null hypothesis alternative hypothesis simple hypothesisarrow_forward
- Below are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? Select one: a. Although both prokaryotes and eukaryotes have a plasma membrane that protects them from their surrounding, many of the extremophiles are prokaryotic and only a few are eukaryotic. b. Despite different in appearance, nerve and muscles cell have the same genetic material and the same ability to produce electrochemical impulses. c. Although very few in numbers, there are special prokaryotes that have a membrane-bound nucleus.arrow_forwardMarshall was walking in the woods when he found an interesting organism . It had a thick , non - woody stem and long, thin green leaves . The underside of each of the leaves was covered with round , brown spores . Which set of characteristics can Marshall apply to his discovery ? A It is eukaryotic , autotrophic , and multicellular . B It is eukaryotic , heterotrophic , and multicellular .arrow_forwardMake a T-chart using the following paragraph: All living organisms will fit into two different categories; prokaryotes and eukaryotes. Eukaryotes, the more complex cells, are made up of one or many cells. These eukaryotic cells have a nucleus and membrane-bound organelles. Prokaryotes, the simpler cells, do not have a nucleus or membrane-bound organelles. Almost all the prokaryote organisms are single-celled. It is important to know that the only way we can see these organisms is by using a microscope.arrow_forward
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