Loose-leaf Version for What is Life? A Guide to Biology
3rd Edition
ISBN: 9781464172274
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 13, Problem 13MC
Summary Introduction
Introduction:
Protists are the first eukaryotic organisms to appear on the earth. Hence, they have a well-defined nucleus.
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a salt water protist is placed in fresh water. Which of the following events would most likely occur?
a.) the cell would shrink
b.) the cell would remain the same (no change in shape)
c.) the cell would start to cry
d.) the cell would swell
e.) an increase in the action of its cilia
Is protist dna in a nucleus unicellular or multicellular?According to the phylogeny presented in this chapter which protists are in the same eukaryotic supergroup as plants a) green algae b) dinoflagellates c) red algaed both a and c in a lifecycle with alternation of generations multicellular haploid forms alternate with a unicellular haploid forms b unicellular diploid formsc multicellular haploid forms d) multicellular diploid forms
A)
A major difference between eukaryotic cells and prokaryotic cells is that eukaryotic cells
Group of answer choices
exhibit little if any compartmentalization of function
are generally smaller than prokaryotic cells
have a large degree of internal organization
lack organelles
have little if any internal organization
B)
Which of the following statements about protists is false?
Group of answer choices
Some protists are mixotrophic
Certain protists share a common ancestor with land plants
Some protists are photosynthetic prokaryotes which are similar to the
ancestral chloroplast
Protists are a polyphyletic group of organisms that often bear little resemblance to each other
Although most protists are unicellular, some protists are multicellular as well
Chapter 13 Solutions
Loose-leaf Version for What is Life? A Guide to Biology
Ch. 13 - Prob. 1SACh. 13 - Prob. 2SACh. 13 - Prob. 3SACh. 13 - Prob. 4SACh. 13 - Prob. 5SACh. 13 - Prob. 6SACh. 13 - Prob. 7SACh. 13 - Prob. 8SACh. 13 - Prob. 9SACh. 13 - Prob. 10SA
Ch. 13 - Prob. 11SACh. 13 - Prob. 12SACh. 13 - Prob. 13SACh. 13 - Prob. 14SACh. 13 - Prob. 15SACh. 13 - Prob. 16SACh. 13 - Prob. 17SACh. 13 - Prob. 18SACh. 13 - Prob. 1MCCh. 13 - Prob. 2MCCh. 13 - Prob. 3MCCh. 13 - Prob. 4MCCh. 13 - Prob. 5MCCh. 13 - Prob. 6MCCh. 13 - Prob. 7MCCh. 13 - Prob. 8MCCh. 13 - Prob. 9MCCh. 13 - Prob. 10MCCh. 13 - Prob. 11MCCh. 13 - Prob. 12MCCh. 13 - Prob. 13MCCh. 13 - Prob. 14MCCh. 13 - Prob. 15MCCh. 13 - Prob. 16MCCh. 13 - Prob. 17MCCh. 13 - Prob. 18MC
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- 59) Which of these are actual mutualistic partnerships that involve a protist and a host organism? A) cellulose-digesting gut protists : wood-eating termites B) dinoflagellates : reef-building coral animals C) Trichomonas : humans D) algae : certain foraminiferans E) all except Carrow_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_forwardProtists are(a) single-celled eukaryotes.(b) multicellular eukaryotes.(c) single-celled prokaryotes.(d) single-celled akaryote. Please try to break the solutions into as many steps as practically possible and the steps should come one by one and they should be short and crisp and plagiarism-free.arrow_forward
- Which of the following is correct regarding multicellularity? a) All protists are unicellular organisms b) Colonies of bacteria are considered multicellular organisms c) It arises from endosymbiosis d) In animals, multicellularity involved the evolution of a new sequence domain in proteins called cadherins that allow cells to attach to one another e) Multicellularity evolved only once in all eukaryotesarrow_forwardWhich of the following processes are involved in thereproduction of protists ?(a) Binary fission and budding(b) Cell fusion and zygote formation(c) Spore formation and cyst formation(d) All of the above Please try to break the solutions into as many steps as practically possible and the steps should come one by one and they should be short and crisp and plagiarism-free.arrow_forwardIn the early 1930s, G. F. Gause carried out a series of experiments using two species of ciliated protists (Paramecium), which are single-celled eukaryotic protozoans. The protists were cultured together and separately, with the bacteria being the single food source. The results are shown in the figure below. (a) Based on figure, identify and explain the interaction that is taking place between P. caudatum and P. aurelia. (b) Clam shrimp, a natural predator to P. caudatum, is introduced to the culture containing both P. caudatum and P. aurelia after 24 days. Predict the impact that the clam shrimp will have on the culture and the populations. Justify your prediction.arrow_forward
- What kingdom does Amoeba belong to: A) Plantae B) Protista C) Monera D) Prokaryotaearrow_forwardAs a taxonomic category, Protozoa is a/an… A) ... order. B) ... kingdom. C) ... class. D) None among the other choices E) ... phylum.arrow_forwardWhich of these is an example of inductive reasoning? A) Hundreds of individuals of a species have been observed and all are photosynthetic; therefore, the species is photosynthetic. B) These organisms live in sunny regions. Therefore, they are using photosynthesis. C) If protists are all single-celled, then they are incapable of aggregating. D) If two species are members of the same genus, they are more alike than each of them could be to a different genus.arrow_forward
- Which of these would be evidence against endosymbiosis? a) chloroplast have their own DNA O b) their structure resembles that of prokaryotes O c) the presence of one membrane O d) chloroplast resemble cyanobacteriaarrow_forwardA cnidocyst is : a) a spicule b) an organelle c) a centriole d) a parasitearrow_forwardFungi are similar to animals by a) Their use of enzymes to digest food b) Their mode of reproduction c) Their ability to move d) Having a symbiotic relationship with algaearrow_forward
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