EBK CAMPBELL BIOLOGY:CONCEPTS+CONNECT.
9th Edition
ISBN: 9780134536231
Author: Taylor
Publisher: PEARSON CO
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Chapter 16, Problem 4TYK
A new organism has been discovered. Tests have revealed that it is unicellular, is autotrophic, and has a cell wall that contains peptidoglycan. Based on this evidence, it should be classified as a(n)
a. alga.
b. archaean.
c. protist.
d. bacterium.
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Bacteria are similar to archaea in that theya. arose through endosymbiosis.b. are multicellular.c. live in extreme environments.d. are prokaryotes.
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Chapter 16 Solutions
EBK CAMPBELL BIOLOGY:CONCEPTS+CONNECT.
Ch. 16 - Explain how each of the following characteristics...Ch. 16 - Fill in the blanks on the phylogenetic tree (on...Ch. 16 - In terms of nutrition, autotrophs are to...Ch. 16 - A new organism has been discovered. Tests have...Ch. 16 - Which pair of protists has support structures...Ch. 16 - Prob. 6TYKCh. 16 - Which of the following prokaryotes is not...Ch. 16 - Prob. 8TYKCh. 16 - What characteristic distinguishes true...Ch. 16 - Prob. 10TYK
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- Which of the following are prokaryotic? a. bacteria b. archaea c. protists d. both a and barrow_forwardYou have discovered a photosynthetic protist that lives in fairly deep water (for example, 250 m deep). To which of the following groups should this organism be classified? A. diatoms B. green algae C. red algae D. cercozoanarrow_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 of the following statements is true? A. Archaea and bacteria have identical membrane lipids. B. The cell walls of archaea lack peptidoglycan. C. Prokaryotes have low levels of genetic diversity. D. No archaea are capable of using CO2 to oxidize H2 releasing methane.arrow_forwardWhich of the following does not possess cilia or flagella? a.)Amoeba b.)Paramecium c.)Trypanosoma d.)Mastigamoebaarrow_forwardProkaryotes that obtain their energy from chemical compounds are called _____. a. photorophs b. auxotrophs c. chemorophs d. lithotrophsarrow_forward
- Which is false regarding Archaea?(a) They lack a nucleus.(b) They are considered to be one of the three domains oflife.(c) The often live in extremely hot or salty environments.(d) They lack cell walls.(e) They are responsible for some human diseases.arrow_forwardA team of scientists study a microorganism that lives in a wetland region. The organism is an obligate anaerobe, and it produces energy using the following reaction: CO2+4H4→CH4+2H2OCO2+4H4→CH4+2H2O In which kingdom does this organism most likely belong? A. Fungi B. Protista C. Archaebacteria D. Eubacteriaarrow_forwardMitochondria in protists originated froma. cyanobacteria.b. chloroplasts.c. anaerobic bacteria.d. aerobic bacteria.e. eukaryotic cells.arrow_forward
- For instance, you encountered an unusual one-celled organism, what part/s of its cell would you use as reference to classify it under the three domains, specifically if this single-celled organism is an Archaean, Bacteria, or Protist?arrow_forwardWhich of the following do not belong to domain Archaea? (a) prokaryotes that produce methane from carbon dioxide and hydrogen (b) thermophiles (c) halophiles (d) bacteriophages (e) prokaryotes with cell walls that lackpeptidoglycanarrow_forwardBacteria that cause the disease typhus are close relatives of bacteria that evolved into _____. a. Protists b. Protocells c. chloroplasts d. mitochondria Among prokaryotes, only the cyanobacteria ______. a. Live near hydrothermal vents b. Produce oxygen during photosynthesis c. Cannot tolerate oxygen d. Have a nucleus-like structurearrow_forward
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