Save
Biology
Biology 🌷🍀🌿 (7,8,9)
microbes
Save
Share
Learn
Content
Leaderboard
Share
Learn
Created by
Rebecca Minney
Visit profile
Cards (29)
What are the three types of microbes?
Bacteria
,
viruses
,
fungi
View source
Why are microbes sometimes called micro-organisms?
Because they are very small
living
things
View source
Which type of microbe is the largest?
Fungi
View source
Why can't microbes be seen with the naked eye?
They
are
too
tiny
View source
What type of microbe causes COVID-19?
Virus
View source
What diseases are caused by bacteria?
Tuberculosis
,
whooping cough
, cholera
View source
What diseases are caused by viruses?
Cold sores
, sore throat,
measles
View source
What diseases are caused by fungi?
Athlete's foot
and
ringworm
View source
Why were the test tubes labeled A to D?
To avoid confusion about
samples
View source
Why were tubes C and D boiled for 15 minutes?
To kill the
bacteria
View source
Why were tubes A and C stoppered?
To allow gases in but block
bacteria
View source
Why is it better to use cotton wool instead of a rubber bung?
It allows oxygen in but blocks
bacteria
View source
Why did some tubes go cloudy after one week?
Bacteria
had been let in
View source
What conditions do bacteria need to grow well?
Warm
temperature
(37°C)
Oxygen
Plenty of nutrients
Moisture
View source
What are aseptic techniques?
Precautions to prevent
contamination
Ensure
bacteria
grown are not contaminated
Prevent escape of bacteria
View source
What is a pathogen?
A microbe that causes
disease
View source
What is a contagious disease?
A disease passed from
person
to person
View source
Who was Semmelweis?
A
Hungarian
physician
View source
What did Semmelweis discover about maternal deaths?
Higher in
doctor's ward
than
midwives
View source
What are antiseptics and disinfectants?
Antiseptics: kill
microbes
on living tissue
Disinfectants: kill microbes on surfaces
View source
What is the purpose of antibiotics?
To kill
bacteria
internally
View source
What can happen with the overuse of antibiotics?
Bacteria can become
resistant
View source
What is a superbug?
A microbe resistant to
antibiotics
View source
How do bacteria become resistant to antibiotics?
Some
strains
become resistant
Non-resistant
bacteria are killed
Resistant bacteria survive and
reproduce
New colony of resistant bacteria forms
View source
Why do we need to develop new antibiotics?
Bacteria
evolve to resist current antibiotics
View source
What is penicillin?
An
antibiotic
that kills
bacteria
View source
What is tetracycline used for?
To prevent bacteria from growing
View source
What does streptomycin do?
Attacks the
cell wall
of bacteria
View source
What are the effects of antibiotic resistance?
Difficult to treat infections
Increased healthcare costs
Higher risk of complications
View source