Untitled Presentation

Multiple Select

Which of the following are ways that Biotechnology can be used?

• Diagnosis of disease

• Gene therapy

• Production of pharmaceuticals (medicine)

• DNA profiling

• Agriculture - creating GMOS (Genetically modified organisms)

Multiple Choice

Monascus purpureus is a yeast used commercially in the production of

• ethanol

• streptokinase for removing clots from the blood vessels.

• citric acid

• blood cholesterol lowering statins.

Multiple Choice

What are the applications of microorganisms in different fields as mentioned in the image?

• Agriculture

• Pharmaceutical industry

• Food industry

• All of the above

Reorder

Reorder the following steps of using recombinant DNA

• an enzyme cuts the plasmid

• ligase connects a desired gene to the plasmid

• the plasmid with recombinant DNA is returned to the bacteria

• the bacteria produces the protein of the newly inserted gene

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

8C. The diagram shows taxonomic groups and a major distinguishing characteristic of all but two of them. Which characteristics will be used to complete the chart?

• Motile - Nonmotile
• Nonphotosynthetic - Photosynthetic
• Autotrophic - Heterotrophic
• No nucleus - Nucleus

Multiple Choice

What are the different types of bioreactors used for cultivating microorganisms?

• Batch bioreactor

• Continuous bioreactor

• Wave bioreactor

• All of the above

Multiple Choice

What factors influence the choice of culture medium for cultivating microorganisms?

• Economic aspects

• Type of microorganisms

• Availability of ingredients

• Production speed

Multiple Choice

What are the primary sources of carbon and energy mentioned in the image?

• Melasa, zer, grăunțe

• Extract de porumb

• Substanțe anorganice

• Carbonanți sau fosfați

Multiple Choice

What factors limit the growth of microorganisms in industrial cultivation?

• Oxygen levels

• Temperature

• pH levels

• Nutrient concentration

Multiple Choice

What is the significance of Penicillium chrysogenum in biotechnology?

• It produces antibiotics

• It is a type of bacteria

• It is used in food preservation

• It has no significance

Multiple Choice

Which set of terms correctly identifies the procedure

shown in the diagram below and a substance

produced by this procedure?

• selective breeding-growth hormone

• cloning-antibiotics

  
  

• genetic engineering-insulin

  
  

• replicating-glucose

Multiple Choice

What methods are used to preserve selected microbial strains?

• Lyophilization

• Periodic transfer

• Mineral oil storage

• All of the above

Multiple Choice

What is the purpose of using different bioreactor sizes in industrial applications?

• To increase the number of cells

• To reduce costs

• To control infection rates

• To improve product quality

Multiple Choice

What are the main fermentation products listed in the diagram?

• Swiss cheese

• Wine, beer

• Vinegar

• All of the above

Multiple Choice

What are the fermentation products derived from glucose as shown in the diagram?

• Swiss cheese

• Beer

• Vinegar

• Nail polish remover

Multiple Choice

What are some examples of active fine chemical substances mentioned in the text?

• Pharmaceutical products

• Household cleaners

• Automotive oils

• Construction materials

Multiple Choice

Which of the following acids is produced through microbial fermentation?

• Citric acid

• Sodium chloride

• Glucose

• Ethanol

Multiple Choice

What is the process by which vinegar is produced from ethanol?

• Fermentation

• Distillation

• Filtration

• Evaporation

Multiple Choice

4.Which of the following is not true about the process of fermentation?

• It can help preserve foods, preventing spoilage.

• It converts sugars to organic acids, alcohols, and/or gases such as carbon dioxide.

• It is carried out exclusively by unicellular eukaryotes such as yeast.

• It is used to make foods such as cheese and bread.

Multiple Choice

What are the main components produced from the fermentation of sugar according to the diagram?

• Ethanol

• Glycerol

• CO2

• All of the above

Multiple Choice

What are the main bacteria involved in the fermentation of acetone-butanol?

• E. coli

• Bacillus subtilis

• Clostridium

• Saccharomyces cerevisiae

Multiple Choice

What is the role of GABA in the body?

• It increases blood pressure

• It acts as a neurotransmitter

• It is a type of protein

• It is a vitamin

Multiple Choice

What roles do isoprenoids play in living organisms?

• Energy production

• Cellular respiration

• Hormonal signaling

• Photosynthesis

Multiple Choice

What is the role of Synechocystis sp. in the synthesis of isoprenes?

• It synthesizes isoprenes photosynthetically

• It produces antibiotics

• It is used in cosmetics

• It is a type of bacteria that does not synthesize isoprenes

Multiple Choice

What are polyphenols and their significance in plants?

• They are primary metabolites

• They are secondary metabolites

• They are synthetic compounds

• They are inorganic substances

Poll

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