different types of cells Flashcards
(26 cards)
What are protists?
Protists are a diverse group of eukaryotic microorganisms, which are often unicellular.
Are protists prokaryotic or eukaryotic?
Protists are eukaryotic.
What is the main difference between prokaryotes and eukaryotes?
Prokaryotes lack a nucleus and membrane-bound organelles, while eukaryotes have both.
What are bacteria?
Bacteria are single-celled prokaryotic organisms.
True or False: Fungi are classified as prokaryotes.
False: Fungi are eukaryotic.
Fill in the blank: Viruses are considered __________ because they cannot reproduce on their own.
acellular
What is a defining characteristic of viruses?
Viruses cannot replicate independently and require a host cell.
Which of the following is a eukaryotic organism: bacteria, fungi, or viruses?
Fungi
What do bacteria and fungi have in common?
Both are living organisms, but bacteria are prokaryotic and fungi are eukaryotic.
What is the primary role of bacteria in ecosystems?
Bacteria play key roles in decomposition and nutrient cycling.
True or False: All protists are harmful to humans.
False: Many protists are harmless and some are beneficial.
What are some examples of protists?
Examples include amoebas, paramecia, and algae.
Fill in the blank: __________ is a characteristic feature of fungi.
Chitin in cell walls
What distinguishes viruses from bacteria?
Viruses are not considered living organisms and cannot reproduce without a host.
What type of reproduction do bacteria typically undergo?
Binary fission.
Which group of organisms includes yeasts and molds?
Fungi.
Which of the following is NOT a characteristic of prokaryotic cells: no nucleus, membrane-bound organelles, or smaller size?
Membrane-bound organelles.
What is the primary function of fungi in an ecosystem?
Decomposing organic matter.
True or False: Viruses can be treated with antibiotics.
False: Antibiotics are ineffective against viruses.
What is the structure of a virus primarily composed of?
A protein coat and genetic material (DNA or RNA).
Fill in the blank: Protists can be __________, meaning they can perform photosynthesis.
autotrophic
What is the term for a virus that infects bacteria?
Bacteriophage.
Which of the following is a method of reproduction for fungi: sexual, asexual, or both?
Both.
What type of organism is responsible for antibiotic resistance?
Bacteria.
