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Physiology of the microorganisms (first stage)

A detailed illustration of bacterial cells, showcasing their various nutritional pathways, transport mechanisms, and microscopy techniques in a laboratory setting.

Microbial Physiology Quiz

Test your knowledge on the physiology of microorganisms with this comprehensive quiz designed for students and enthusiasts in microbiology. Discover the intricacies of bacterial nutrition, metabolic pathways, and identification methods!

Explore the classification of bacteria based on their nutritional requirements
Understand different transport mechanisms in bacterial cells
Enhance your knowledge on diagnostic methods for microbial infections

14 Questions4 MinutesCreated by ExploringCell3

Unknown bacterial strain can utilize inorganic source of carbon. Due to classification it belongs to:

Auxotroph

Prototroph

Chemotroph

Autotroph

Heterotroph

Glucose may enter the bacterial cell in modified form against gradient concentration. Such type of bacterial nutrition is named:

facilitated diffusion

Active transport

Translocation groups

Passive diffusion

Ion pumps

Laboratory assistant obtains clinical material collected from patient with intestine infection. He should detect and identify the pathogen in sample. Microscopy investigation was not enough to identify causative agents. What should he do to diagnose disease?

Make a conclusion based on clinical features

Inoculate material onto solid medium to obtain pure culture

Inoculate material onto liquid medium to detect growth characteristics of a germ

Infect laboratory animal to observe development of the same disease

Repeat microscopy investigation of another sample collected from the same patient

Select the correct statement:

Parasites grow and multiply without any lesion into the host;

The hetero (organo) trophs utilize inorganic compounds for synthesis of all carbon-containing compounds

Prototroph can not grow into minimal media

All medical important bacteria belong to chemoorganotrophs

Medical important bacteria belong to photoheterotrophs

Unknown bacterial strain uses organic compounds as source of carbon. Due to classification it belongs to:

Phototroph

Prototroph

Chemotroph

Autotroph

Heterotroph

Some gases can pass through cytoplasm membrane due to concentration gradient. Such type of transport is named as

Facilitated diffusion

Translocation groups

Active transport

Ion pumps

Passive diffusion

Select the correct statement:

Saprophytes can not be cultivated at ordinary media;

The hetero (organo) trophs utilize organic compounds for synthesis of all carbon-containing compounds

Auxotroph can grow into minimal media

All bacteria belong to chemoorganotrophs

medical important bacteria belong to photoheterotrophs

Unknown bacterial strain can obtain energy by splitting organic compounds. Due to classification it belongs to

Phototroph

Chemotroph

Prototroph

Autotroph

Heterotroph

Most part of nutrients enters the bacterial cell through special proteins localized into cytoplasm membrane against concentration gradient. Such type of transport is named as

Facilitated diffusion

Active transport

Translocation groups

Ion pumps

Passive diffusion

Select the correct statement:

the autotrophs utilize organic compounds for synthesis of all carbon-containing compounds

the prototrophs utilize a glucose and ammonium salts as a unique source for synthesis;

auxotroph can grow into minimal media

All bacteria belong to chemoorganotrophs

saprophytes parasitize into human tissue

Unknown bacterial strain can not grow onto the simplest media and requires group B vitamins for successful cultivation. Due to classification it belongs to:

Phototroph

Prototroph

Chemotroph

Auxotroph

Heterotroph

Bacterial cells possess so named holo-phytos type of nutrition. It means that:

Bacteria absorb some nutrients in unsolved state

Bacteria use sun light as source of energy

Bacteria have specific organoid for nutrition

Bacteria absorb nutrient in dissolved state by the whole surface

Bacteria can take any nutrient by endocytosis into cytoplasm

For isolation of pure culture of aerobic bacteria tested materials should be:

Inoculated onto agar media

Injected into laboratory animal;

Injected into chicken embryo

Inoculated into cell cultures

Inoculated into the liquid media

Select the correct statement :

The autotrophs utilize СО2 for synthesis of all carbon-containing compounds

The autotrophs utilize organic compounds for synthesis of all carbon-containing compounds

Auxotroph can grow into minimal media

all bacteria belong to chemotrophs

Saprophytes parasitize on animal and vegetative substances

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