24 Questions
What is a characteristic of the cell wall of Archaea?
It is composed of various polysaccharides and glycoconjugates
What is the name of the phylum of Archaea that provides evidence on the transition from Archaea to Eukarya?
Lokiarchaeum
What is the term used to describe Archaea that thrive in extreme environments?
Extremophiles
What is the unique feature of the archaeal cytoplasmic membrane that allows it to function in extreme environments?
It contains unique lipids that are temperature and mechanically resistant
What is the primary role of methanogens in the environment?
They are responsible for the majority of methane produced on earth
In which type of environments are Archaea commonly found?
Extreme environments, such as hot springs and volcanic vents
What percentage of the genome is unknown?
32%
What is a characteristic of eukaryotic cells?
Membrane-bound organelles
Which group of organisms is most closely related to animals?
Chaonoflagellates
What is a characteristic of fungi as eukaryotes?
Heterotrophic nutrition
Which group of organisms shares traits with plants like cellulose synthesizing proteins and flagellated sperm?
Green algae
What percentage of the human diet is from flowering plants?
50-90%
What is the common characteristic of Archaea's membrane lipids?
They have branched hydrocarbons
Which of the following is NOT a characteristic of Archaea's cell wall?
Have a thick layer of peptidoglycan
What is the significance of Lokiarchaeum in the context of Archaea and Eukarya?
It provides evidence on the transition from Archaea to Eukarya
Why are Archaea able to thrive in extreme environments?
Because their cytoplasmic membrane contains unique lipids
What is the term used to describe the environment in which Archaea are commonly found?
Extremophilic
What is the primary role of Archaea in the ecosystem?
To produce methane
What is the primary difference between autotrophic and heterotrophic eukaryotes?
The mode of energy production
Which of the following groups of eukaryotes is most closely related to land plants?
Green algae
What is the characteristic that distinguishes fungi from other eukaryotes?
Their nutritional mode and structural organization
What is the common ancestor of all eukaryotes?
A group of ancient protists
Which eukaryotic kingdom is classified based on the type of nutrition they obtain?
Animals
What is the characteristic shared by green algae and land plants?
All of the above
Learn about the unique characteristics of Archaea, a domain of single-celled prokaryotic organisms. This quiz covers their membrane lipids, cell wall composition, and ability to thrive in extreme temperatures.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
