Podcast
Questions and Answers
What is the characteristic feature of archaeal lipids and membranes?
What is the characteristic feature of archaeal lipids and membranes?
- Branched chain hydrocarbons attached to glycerol by ether linkages (correct)
- Unbranched chain hydrocarbons attached to glycerol by peptide linkages
- Linear chain hydrocarbons attached to glycerol by amide linkages
- Fatty acids attached to glycerol by ester linkages
Which of the following is NOT a characteristic of archaeal cell walls?
Which of the following is NOT a characteristic of archaeal cell walls?
- Presence of a layer of pseudomurein
- Variation in cell wall composition
- Presence of a layer of peptidoglycan (correct)
- Lack of peptidoglycan
What is the term used to describe microorganisms that thrive in extreme environments?
What is the term used to describe microorganisms that thrive in extreme environments?
- Mesophiles
- Thermophiles
- Psychrophiles
- Extremophiles (correct)
Which of the following archaea is found in acidic hot springs?
Which of the following archaea is found in acidic hot springs?
What is the difference between archaeal and bacterial flagella?
What is the difference between archaeal and bacterial flagella?
Which of the following is an example of a mesophilic archaeon?
Which of the following is an example of a mesophilic archaeon?
What is the term used to describe microorganisms that thrive in high salt concentrations?
What is the term used to describe microorganisms that thrive in high salt concentrations?
What is the characteristic shape of some archaea?
What is the characteristic shape of some archaea?
Which of the following is an example of an archaeon that lives in deep ocean hydrothermal vents?
Which of the following is an example of an archaeon that lives in deep ocean hydrothermal vents?
What is the function of ether linkages in archaeal lipids and membranes?
What is the function of ether linkages in archaeal lipids and membranes?
What is the primary characteristic of archaeal lipids and membranes that distinguishes them from bacterial lipids and membranes?
What is the primary characteristic of archaeal lipids and membranes that distinguishes them from bacterial lipids and membranes?
What is the term used to describe the morphology of archaea that are flat and square in shape?
What is the term used to describe the morphology of archaea that are flat and square in shape?
What is the primary component of archaeal cell walls that is absent in bacterial cell walls?
What is the primary component of archaeal cell walls that is absent in bacterial cell walls?
Which of the following archaea is NOT an example of an extremophile?
Which of the following archaea is NOT an example of an extremophile?
What is the primary difference between archaeal and bacterial flagella?
What is the primary difference between archaeal and bacterial flagella?
What is the term used to describe the growth of archaea in environments with high temperatures?
What is the term used to describe the growth of archaea in environments with high temperatures?
What is the primary characteristic of archaea that allows them to thrive in extreme environments?
What is the primary characteristic of archaea that allows them to thrive in extreme environments?
Which of the following is an example of an archaeon that lives in a non-extreme environment?
Which of the following is an example of an archaeon that lives in a non-extreme environment?
What is the primary difference between archaeal and bacterial membranes?
What is the primary difference between archaeal and bacterial membranes?
What is the term used to describe the diversity of archaea in terms of morphology, physiology, and ecology?
What is the term used to describe the diversity of archaea in terms of morphology, physiology, and ecology?
