BIOLOGY -LAB.MAN. >CUSTOM<
12th Edition
ISBN: 9781259754661
Author: Mader
Publisher: MCG CUSTOM
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Textbook Question
Chapter 21, Problem 3TS
Certain protist species cause human diseases the are difficultto treat and are often deadly. How does the evolutionaryrelatedness of humans and protists explain the difficulty of
treating a person infected with a pathogenic protest?
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Certain protists species cause human disease that are difficult to treat and are often deadly. How does the evolutionary relatedness of humans and protists explain the difficultly of treating a person infected with a pathogenic protist?
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Chapter 21 Solutions
BIOLOGY -LAB.MAN. >CUSTOM<
Ch. 21.1 - Prob. 1CYPCh. 21.1 - Prob. 2CYPCh. 21.1 - Prob. 3CYPCh. 21.2 - Prob. 1CYPCh. 21.2 - Prob. 2CYPCh. 21.3 - Prob. 1CYPCh. 21.3 - Which chromalveolates are useful to humans?Ch. 21.3 - Prob. 3CYPCh. 21.4 - Prob. 1CYPCh. 21.4 - Prob. 2CYP
Ch. 21.5 - Prob. 1CYPCh. 21.5 - Prob. 2CYPCh. 21.5 - Prob. 3CYPCh. 21 - Prob. 1BS.1QCCh. 21 - Prob. 1BS.2QCCh. 21 - Prob. 1BS.3QCCh. 21 - Prob. 2BS.1QCCh. 21 - Prob. 2BS.2QCCh. 21 - Prob. 1ACh. 21 - Prob. 2ACh. 21 - Prob. 3ACh. 21 - Prob. 4ACh. 21 - Prob. 5ACh. 21 - Prob. 6ACh. 21 - Prob. 7ACh. 21 - Prob. 8ACh. 21 - Prob. 9ACh. 21 - Prob. 10ACh. 21 - Apicomplexans are responsible for which disease?...Ch. 21 - Prob. 12ACh. 21 - Prob. 13ACh. 21 - Prob. 14ACh. 21 - Prob. 15ACh. 21 - Prob. 1TSCh. 21 - Prob. 2TSCh. 21 - Certain protist species cause human diseases the...Ch. 21 - Prob. 4TS
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- Which of the following characteristics is NOT one all protists share? A. mixotrophic, autotrophic and heterotrophic B. eukaryotic C. mostly unicellular D. symbiontsarrow_forwardWhat genus of protists appears to contradict the statement that unicellularity restricts cell size? a. Dictyostelium b. Ulva c. Plasmodium d. Caulerpaarrow_forwardWhich of the following is NOT true of protists? Select one: a. Some are unicellular. b. They may be photosynthetic. c. They are usually aerobic, though some are not. d. They may have cell walls. e. They may be prokaryotic.arrow_forward
- Why is the classification of protists based on DNA sequences considered useful? a. Because only protists have DNA b. Because genetic sequences have confirmed the traditional categories of protists c. Because DNA reveals evolutionary relationships, even among organisms that look different d. All of the above are correct.arrow_forwardSome protist lineages arose from secondary endosymbiosis. Howmany membranes would surround the chloroplasts of theseorganisms?a. 0 c. 2b. 1 d. 3 or morearrow_forwardWhich of these protists is believed to have evolved following a secondary endosymbiosis? a. green algae b. cyanobacteria c. red algae d. chlorarachniophytesarrow_forward
- Which groups of protists would you be most likely tofind as fossils? Why?arrow_forwardWhich of these protists is hypothesized to be ancestral to animals? a. a green algal protist b. a choanoflagellate c. an amoeboid protistd. a slime moldarrow_forwardWhat structures or features do all protists have in common?arrow_forward
- What advantage do you think a protist would gain by having a unicellular, filamentous, or colonial formarrow_forwardWhich group is correctly paired with its description? A. diatoms-important consumers in aquatic communities B. diplomonads-protists with modified mitochondria C. apicomplexans -producers with intricate life cycles D. red algae-acquired plastids by secondary endosymbiosisarrow_forwardWhich of the following is not true of the protists? (a) they are unicellular, colonial, coenocytic, or simple multicellular organisms (b) their cilia and flagella have a 9 + 2 arrangement of microtubules (c) they are prokaryotic, as bacteria and archaea are (d) some are free-living, and some are endosymbionts (e) most are aquatic and live in the ocean or in freshwater pondsarrow_forward
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