Which of the following are characteristics of prokaryotes? i) Presence of a nucleus ii) Presence of a nucleoid region iii) Membrane - bound organelles iv) Lack membrane - bound organelles v) Most have a cell wall vi) Average between 1-5 µm a. ii, iv, v b. i, iii, vi c. ii, iv, v, vi d. i,iii, vi, v

Which of the following are characteristics of prokaryotes? i) Presence of a nucleus ii) Presence of a nucleoid region iii) Membrane - bound organelles iv) Lack membrane - bound organelles v) Most have a cell wall vi) Average between 1-5 µm a. ii, iv, v b. i, iii, vi c. ii, iv, v, vi d. i,iii, vi, v

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter13: Diversity Of Microbes, Fungi, And Protists

Section: Chapter Questions

Problem 15CTQ: Your friend believes that prokaryotes are always detrimental and pathogenic. How would you explain...

See similar textbooks

Similar questions

All of the following are characteristics of the bacterial flagellum except: Select one: a. It has a hook-like insertion to a basal body in the cell wall. b. It is composed of protein c. It is used in conjugation d. Counterclockwise rotation moves bacteria forward All the following are characteristics of prokaryotes except: Select one: a. Prokaryotes have cell wall b. Prokaryotes have ribosomes c . Prokaryotes have organelles d. Prokaryotes lack a nucleus e. Prokaryotes have genes
A bacterium has the following characteristics: I. It adheres to the human intestinal lining using a feature that protects it from phagocytes , bacteriophages, and dehydration. II. It can survive being boiled. III. It contains no plasmids and relatively little peptidoglycan. Which of the following characteristics allows this bacteria to survive in a human who is taking penicillin pills? A. gram-negative cell wall B. peptidoglycan in the cell wall C. lipopolysaccharides in the cytoplasm D. long polypeptides in the cell wall
In the domain system of classification, prokaryotes are divided into two domains: Bacteria and Archaea. The two domains differ in all BUT one feature. Which feature do they have in common? A. They both thrive in extreme environments. B. They both have prokaryotic cells. C. They both are able to live only under anaerobic conditions. D. They both have identical cell walls.
How do Gram-negative bacteria differ from Gram-positivebacteria?a. They are not pathogenic.b. Their peptidoglycan cell wall is thinner.c. Gram-negative bacteria cannot be Gram stained.d. They possess a single plasma membrane.e. Gram-negative bacteria do not photosynthesize.
A bacterium has the following characteristics:∙ It adheres to the human intestinal lining using a feature that protects it from phagocytes, bacteriophages, and dehydration∙ It can survive being boiled∙ It contains no plasmids and relatively little peptidoglycanWhich of the following characteristics allows this bacterium to adhere to the intestinal lining? Group of answer choices A. fimbriae B. pili C. an endospore D. a flagellum
Which of the following descriptions is true only of prokaryotes? (a) They reproduce through binary ﬁssion. (b) Their genetic material is DNA. (c) They are unicellular. (d) They contain organelles within the cell. (e) none of the above
Which of the following characteristics, structures,or processes is common to both bacteria andviruses?(A) metabolism(B) ribosomes(C) genetic material composed of nucleic acid(D) cell division
If you visit a lake in the middle of the Amazon and take water samples to analyze under a microscope from a nearby university that has good instrumentation and there you detect microorganisms that are not visible to the naked eye. What studies would you do to determine if they are bacteria, archaea, fungi or protozoa? Explain each type of analysis and how would you rule out members of each group? Write at least 3 paragraphs
Which of the following are features of Flagella? A. Found on the cell surface B. Necessary for movement C. Found only on bacteria D. A & B E. C & D
Your friend believes that prokaryotes are always detrimental and pathogenic. How would you explain to them that they are wrong?
Which of the following is NOT true about bacterial endospores? A. They are produced by bacteria of the genus Bacillus and Clostridium B. They are “resting cells” for survival during adverse environmental conditions C. Resistant to desiccation (drying), heat, and chemicals D. Formed by walling off one end of the bacterial cell and surrounding it with a thick spore coat E. They represent a type of reproduction because their formation results in an increase in the number of bacterial cells
Recently, a microbe that is able to digest cellulose was discovered in a hot spring with an average temperature of 95°C. This microbe most likely belongs to which of the following groups? A. Archaea B. Proteobacteria C. Cyanobacteria D. Spirochetes