Biologia Reino Monera Flashcards
(26 cards)
What is the primary characteristic of organisms in the Monera kingdom?
They are unicellular prokaryotes.
True or False: Organisms in the Monera kingdom have a defined nucleus.
False.
What are the two main groups of Monera?
Bacteria and Archaea.
Fill in the blank: Monera are characterized by the absence of __________.
membrane-bound organelles.
Which type of reproduction is most common in Monera?
Binary fission.
True or False: Monera can be autotrophic or heterotrophic.
True.
What structure protects the cell wall of bacteria?
Peptidoglycan.
What is the main difference between Bacteria and Archaea?
The composition of their cell membranes and RNA polymerases.
Which type of bacteria can survive extreme environments?
Archaea.
What is the role of ribosomes in Monera?
They are involved in protein synthesis.
Fill in the blank: The process by which bacteria can exchange genetic material is called __________.
conjugation.
True or False: All bacteria are harmful to humans.
False.
What is an example of a beneficial bacterium?
Lactobacillus.
Which staining technique is used to classify bacteria into two groups?
Gram staining.
What type of bacteria retain the crystal violet stain during Gram staining?
Gram-positive bacteria.
What is the function of plasmids in bacteria?
They carry additional genetic information and can confer antibiotic resistance.
Fill in the blank: Monera can be found in __________ environments.
diverse.
True or False: Monera are involved in nutrient cycling in ecosystems.
True.
What is the term for bacteria that can produce their own food using sunlight?
Photosynthetic bacteria.
What type of metabolism do bacteria that break down organic matter have?
Saprophytic metabolism.
Which group of Archaea is known for producing methane?
Methanogens.
What is the significance of nitrogen-fixing bacteria?
They convert atmospheric nitrogen into a form usable by plants.
Fill in the blank: The study of microorganisms, including Monera, is called __________.
microbiology.
What is the impact of bacteria on human health?
Some bacteria are pathogenic, while others are beneficial for digestion and immunity.
