Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Chapter 17, Problem 5RQ
Summary Introduction
Euglenids and kinetoplastids belong to Excavata group of protists. Members of kinetoplastids are characterized by presence of kinetoplast which is a compact mass of kDNA (which is a circular DNA), present in the single mitochondria. Euglenids comprise non-pathogenic and motile organisms which show phototrophic and chemotropic mode of nutrition.
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Which of the following correctly matches the protist to the mode of nutrition?
Chara- Autotrophy, Euglena - Mixotrophy, Amoeba - Heterotrophy
Chara - Heterotrophy, Euglena - Mixotrophy, Amoeba - Heterotropy
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They all are capable of Heterotrophy
Chapter 17 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 17.1 - Prob. 1MQCh. 17.1 - Prob. 2MQCh. 17.1 - Prob. 3MQCh. 17.2 - Prob. 1MQCh. 17.2 - Prob. 2MQCh. 17.2 - Prob. 3MQCh. 17.3 - Prob. 1MQCh. 17.3 - Prob. 2MQCh. 17.4 - Contrast the two nutritional options for Euglena.Ch. 17.4 - Prob. 2MQ
Ch. 17.4 - Prob. 3MQCh. 17.5 - Prob. 1MQCh. 17.5 - Prob. 2MQCh. 17.5 - What are apicoplasts, which organisms have them,...Ch. 17.6 - Prob. 1MQCh. 17.6 - Prob. 2MQCh. 17.6 - Prob. 3MQCh. 17.7 - Prob. 1MQCh. 17.7 - How are chlorarachniophytes thought to have...Ch. 17.8 - Prob. 1MQCh. 17.8 - Compare and contrast the lifestyles of gymnamoebas...Ch. 17.8 - Prob. 3MQCh. 17.9 - What are conidia? How does a conidium differ from...Ch. 17.9 - Prob. 2MQCh. 17.9 - Prob. 3MQCh. 17.10 - Why is the mold Penicillium economically...Ch. 17.10 - Prob. 2MQCh. 17.10 - Prob. 3MQCh. 17.11 - Prob. 1MQCh. 17.11 - Prob. 2MQCh. 17.11 - Prob. 3MQCh. 17.12 - Prob. 1MQCh. 17.12 - Prob. 2MQCh. 17.12 - Prob. 3MQCh. 17.13 - Prob. 1MQCh. 17.13 - Prob. 2MQCh. 17.14 - Prob. 1MQCh. 17.14 - Prob. 2MQCh. 17.15 - What traits link cyanobacteria and red algae?Ch. 17.15 - Prob. 2MQCh. 17.16 - What phototrophic properties link green algae and...Ch. 17.16 - What is unusual about the green algae...Ch. 17.16 - Prob. 3MQCh. 17 - Prob. 1RQCh. 17 - Prob. 2RQCh. 17 - Prob. 3RQCh. 17 - Prob. 4RQCh. 17 - Prob. 5RQCh. 17 - Three groups make up the alveolates: ciliates,...Ch. 17 - Prob. 7RQCh. 17 - REVIEW QUESTIONS
8. What morphological trait...Ch. 17 - Prob. 9RQCh. 17 - Prob. 10RQCh. 17 - Prob. 11RQCh. 17 - Prob. 12RQCh. 17 - Prob. 13RQCh. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Green algae are common in aquatic environments and...Ch. 17 - Explain why the process of endosymbiosis can be...Ch. 17 - Summarize the evidence for endosymbiosis. How...
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- 1) Make a graphic/visual organizer of the four supergroups of Protists and the major groups of protists. 2) The graphic organizer must include all the following major groups. Include one example organism and one derived character (shared by most or all members of the group).arrow_forwardA) Protist diseases can be hard to treat because Group of answer choices some use brown or red pigments, rather than green pigments, for photosynthesis they have prokaryotic cells anti-protist medicines have too much selective toxicity they are heterotrophic they have evolved defenses that make them invisible to the immune system B) A plant without vascular tissues will likely be Group of answer choices small and/or flat found primarily in dry habitats, such as deserts tall unable to photosynthesize unable to reproduce sexuallyarrow_forwardThe prtists that causes malaria evolved from a photosynthetic ancestor and has the remnant of a chloroplast. The organelle no longer functions in photosynthesis, but it remains essential to the protist. Why might targeting this organelle yield an antimalarial drug that produces minimal side effects in humans?arrow_forward
- Why have molecular biologists sequenced the genomes of severalparasitic protists?arrow_forwardWhat distinguishes protists from prokaryotes? What distinguishes protists from fungi, land plants, and animals?arrow_forwardWhich parasitic protist evades the host immune system by altering its surface proteins with each generation? a. Paramecium caudatum b. Trypanosoma brucci c. Plasmodium falciparum d. Phytophthora infrstansarrow_forward
- 22) Protist and fungal diseases in humans can be hard to treat because Group of answer choices protist and fungal cells contain large amounts of peptidoglycan in their cell walls protists and fungi are members of Domain Archaea and so are able to withstand toxins in their environment they have prokaryotic cells anti-protist and anti-fungal drugs don't have as much selective toxicity as anti-bacterial drugs protist and fungal cells contain R plasmids that make them resistant to drugsarrow_forwardTo what kingdom does Entamoeba histolytica belongs? Group of answer choices protists archaea fungi animaliaarrow_forwardYou are given five test tubes, each containing an unknown protist, and your task is to read the description below and match these five protists that you know to the correct test tube. -Paramecium -Pfiesteria (dinoflagellate) -Navicula (diatom) -Plasmodium -Amoeba In test tube 1, you sketch the organism and come up with a picture that looks like the one below. You note the organism appears to be “eating” the smaller microorganism. Chemical analysis of test tube 2 indicates the presence of a chemical that is toxic to fish and humans. In test tube 3, you detect the presence of substantial amounts of silica. Microscopic analysis of organisms in tube 4 reveals the presence of an apicoplast in the organism Microscopic analysis of the contents in tube 5 reveals the presence of one large macronucleus and several small micronuclei in each organism Match the description with the correct protistarrow_forward
- Which of the following is an example of fungus-like protist? Group of answer choices golden algae rhizopus plasmodial slime molds trufflesarrow_forwardIn the pictures below, identify the arrowed reproductive structures of microscopic cyanobacteria based on the following descriptions: Akinetes are dormant structures larger than the vegetative cells, are rich in food reserves, and have thick walls. Most filamentous cyanobacteria develop akinetes in adverse conditions (e.g., winter, dry periods). When favorable conditions return, they germinate and produce new filaments. Hormogonia are short pieces of filaments consisting of 5–15 trichomes that fragment and develop into new filaments. Heterocytes (or heterocysts) are multicellular structures that have a thick and massive sheath, formed by members of the Nostocales. It is the location of the enzyme nitrogenase for nitrogen fixation, the conversion of nitrogen gas into ammonium and then amino acids. They may be intercalary or terminal in position and may germinate from either end or both the ends to give rise to new filaments. Non-filamentous cyanobacteria generally produce spores…arrow_forwardWhy might overwatering your plants make them more susceptible to infection by some kinds of heterotrophic protists?arrow_forward
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