15 Questions
What is a key characteristic of Archaea that distinguishes them from bacteria?
Stereochemically opposite lipids with ether linkages
Which archaeal group is known for its ability to grow at extremely high temperatures?
Crenarchaeota
What type of energy metabolism pathway do most Euryarchaeota follow?
Methanogenesis
What is a common habitat for Haloarchaea?
Marine sediments
How do Archaeal membranes differ from bacterial membranes?
Isoprenoid lipids with ether linkages
What distinguishes the transcription machinery of Archaea from Bacteria?
Recognition of eukaryotic-like promoters
What characteristic makes Haloarchaea able to thrive in saturated salt brine?
'S-layers' in their cell walls
What powers Eukaryotic Flagella and Cilia?
Dyneins
What is the primary function of Phagocytosis in 'protozoa'?
Endocytosis of particles
Which organelle is responsible for photosynthesis in many Algae?
Chloroplast
What is a key feature of the nucleus in eukaryotic organisms?
Contains DNA packaged around histone proteins
Which organelles have their own genome and bacterial-like ribosomes?
Mitochondria and plastids
What is a characteristic feature of plastids in eukaryotes?
Can be cyanobacterial-like
How are secondary plastids formed in eukaryotes?
From the engulfment of a primary alga by another eukaryote
What distinguishes Archaeplastida as a clade?
Plastids of primary endosymbiotic origin
Learn about the unique features of Archaea cells that differentiate them from bacteria and eukaryotes. Discover their small cell size, few internal structures, circular chromosomes with operons, and coupled transcription and translation processes.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
