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Characteristics
Nutritional Requirements
Reproduction of Bacteria
Random Facts
Practical Uses
100
Which would NOT be found in a bacterial cell? •ribosome •lysosome •chromosome •cell membrane
Lysosome
100
Agar is produced from this
What is seaweed
100
Endospore production is asexual, when is it used?
During poor conditions
100
Converts N₂ into NO3−
What is nitrifying bacteria
100
Used to kill bacteria in a cut
What are antiseptics
200
Which is the MOST characteristic of bacteria? •anaerobic •common and abundant •live in harsh environments •uncommon with simple characteristics
common and abundant
200
A bacterium that makes its own food using chemical energy is called
What is chemosynthetic autotroph
200
Bacteria divide by mitosis and double their number
What is binary fission
200
With the naked eye, bacteria colonies CANNOT be distinguished by; •colour •sheen •cell shape •surface texture
cell shape
200
Which is NOT a sterile technique? •exposure to air •using disinfectants •avoiding direct contact •heating equipment
exposure to air
300
What is used on the surface of cells for attachment.
Pili
300
Organisms that generally use oxygen, but can survive without it are called
What is facultative anaerobes
300
In 1 hour, under ideal conditions, a colony of 10 cells will have this many cells
What is 80 cells
300
The cell walls of Gram positive bacteria contain:
carbohydrates that absorb crystal violet
300
Which of the following does NOT involve bacteria? •oil metabolism •food production •protein digestion •oxygen production
protein digestion
400
What shape is a bacillus bacterium?
elongated (rod shaped)
400
Which of these is a correct match? •anaerobic- animals- lactic acid •anaerobic- plants- lactic acid
Anaerobic- animals- lactic acid
400
Put the following steps of conjugation in the correct order. •1. DNA replication •2. Genetic recombination •3. Genetic transfer between cells
1, 3, 2
400
Which combination is most correct: •Parasite - e.coli - intestines •Pathogen - H. pylori - stomach
Pathogen - H. pylori - stomach
400
Biotechnology is used to produce all of the following, except; •viruses •certain medicines •protein hormones •genetically altered foods
Viruses