Which of the following genera is an endospore former?
A) Escherichia
B) Bacillus
C) Staphylococcus
D) Streptococcus
E) Mycobacterium
B) Bacillus
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Match the following items with the correct phrases.
_______1. The end product of ____________________ is a messenger RNA molecule. _______2. Combining two monosaccharides to form a disaccharide is an example of ____________________. _______3. James Watson and Francis Crick were the first to publish an article describing ____________________. _______4. The end product of ____________________ is a protein. _______5. Breaking the bond in a disaccharide to produce two monosaccharides is an example of ____________________. a. a dehydration synthesis reaction b. DNA replication c. a hydrolysis reaction d. transcription e. translation
How does Helicobacter pylori cause gastric ulcers in humans?
A) It neutralizes the acids of the stomach. B) It causes the production of excess acid in the stomach. C) It damages the stomach's mucus coat. D) It causes the stomach to produce stronger acids.
Briefly describe the differences in the digestive tracts of animals with an incomplete and a complete gut.
What will be an ideal response?
A biological safety cabinet minimizes the chances of contaminating cultures by all of the following except
A) consistent flame sterilization on the inside surfaces. B) readily being decontaminated using UV light. C) limiting access to inside the cabinet. D) regular surface cleaning with an antimicrobial solution. E) maintaining a specific flow of filtered air.