Viruses
True or False: Viruses are living things.
False
What are vaccines?
Vaccines are a substance that stimulates immunity against a pathogen without causing illness. The vaccine can be part of a bacteria or virus. It can also be a weakened or inactivated pathogen.
True or False: Prokaryotes are multicellular organisms.
False
Name the 4 kingdoms of Eukarya.
Fungi, Protists, Plant and Animals
Name an example of a fungi infection.
Athlete's Foot and Thrush
Prokaryotes
What is the first step in developing an infection?
Finding a portal of entry.
What archaea are salt lovers?
Halophiles
Protozoan with a tail are called __________
Flagellate
Give an example of a vector.
Mosquito
What are the two different structures of viruses?
Naked Virus and Enveloped Virus
What are antibodies?
Antibodies are protective proteins produced by your immune system. They attach to antigens (foreign substances) and remove them from your body.
What do all prokaryotes have in common?
They all have ribosomes, a cell membrane and chromosomal DNA located in a nucleoid.
How do algae reproduce?
Mitosis and under unfavourable conditions meiosis.
What phase can parasite protozoa alternated between?
Active and Inactive (Dormant)
Viruses inject their genetic material into _______
Host Cells
Give on example of a non-specific defence.
Fever, inflammation, physical and chemical barriers, immune cells and resident microorganisms
What is binary fission?
Type of asexual reproduction in prokaryotes that involves a cell splitting into two identical cells
What is mycelium?
A woven mass of hyphae that makes up a mould is called a mycelium.
How do people become infected with giardiasis?
Drinking water contaminated with species of the giardia parasite.
What are two ways to prevent/treat viral diseases?
Anti-viral and Vaccines
What is a pathogen?
A disease-causing microorganism.
How do prokaryotes change their DNA?
Conjunction
How does yeast reproduce?
A process called budding.
How is gingivitis causes?
Direct Contact: kissing, consuming food and water that harbours it