The constantly synthesizing enzymes are called ______of the cells

• A) Constitutive components
• B) Concentrated components
• C) Rate controlling components
• D) Fastest components

Traditional fermentations were originally performed by a mixture of _______

• A) Acetic acid
• B) Salts
• C) Microorganisms
• D) beverages

The CBS culture collections has _____.

• A) Filamentous fungi collections
• B) Archaea
• C) None
• D) All microorganisms

Enrichment cultures may be performed in _______

• A) Continuous
• B) Both of them
• C) None of them
• D) Batch

The availability of _____ and ______ can regulate fermentation under aerobic condition

• A) CO2 and Sugar
• B) Oxygen and sugars
• C) Sugar and pyruvate
• D) Oxygen and lactose

The process which involves cellular uptake of a naked piece of DNA from the surrounding medium, which then becomes incorporated into the cell.

• A) Electrophoresis
• B) Transduction
• C) Transformation
• D) Cell uptake

The industrial microorganisms are useful because of ___________

• A) Easy growth
• B) Mass cultivation
• C) Diversity of potential products
• D) All of the above

Aspergillus Niger is an example of ______.

• A) Virus
• B) Filamentous Fungi
• C) Bacteria
• D) Protozoa

Bacterial Plasmids are _________

• A) Self-replicating
• B) All of them
• C) Accessory pieces of DNA
• D) Autonomous

_______ are chemically treated cells, which has the ability to uptake the DNA from surrounding.

• A) Competent cells
• B) Epithelial cells
• C) Liver cells
• D) Neutrophils

There are almost around _____ cultures around the world.

• A) 500
• B) 5
• C) 50
• D) 5000

In cell to cell, contact the donor contacts with the recipient with a filamentous protein called a ______.

• A) None of them
• B) Conjugating protein
• C) Sex pilus
• D) Both of them

The supression of Glycolysis by oxygen is referred to as _____

• A) Pasteur effect
• B) Bottom-up effect
• C) Lypholization
• D) Top-down effect

Strategies for the isolation of microorganisms are divided into _________ and ______ approaches

• A) Shotgun and objective
• B) Selective and shotgun
• C) None of them
• D) Objective and selective

The industrial microorganisms must be ___________

• A) Efficiently productive
• B) None of them
• C) Genetically stable
• D) Both of them

Synthesis of Anabolic enzymes is mostly controlled through __________

• A) None of them
• B) Suppression
• C) Both of them
• D) Repression

The strain improvement has been accomplished by using methods of ________

• A) Both of Them
• B) Recombination events
• C) Genetic recombination
• D) None

Acetic and citric acids are produced by __________

• A) Brucella abortus
• B) Acetobacter bauminii
• C) Bacillus anthracis
• D) Acetobacter xylinum

__________ is a type of culture collections that holds all types of mocroorganisms

• A) US culture Collection
• B) American Culture collection
• C) American type culture collections (ATCC)
• D) None of them

The isolated pure cultures must be tested for _________

• A) Production of specific enzyme
• B) Both of them
• C) Inhibitory compounds
• D) None of them