micro 1/2 Which of the following pairs is mismatched?
which is alchohol
-OH at the end
Using the information in Table 2.1, calculate the number of moles in 92 grams of ethanol, C2H5OH.
2
Using the information in Table 2.1, calculate the molecular weight of ethanol, C2H5OH.
46
Which of the following findings was essential for Jenner's vaccination process?
A weakened microorganism may produce immunity.
Bacteria differ from viruses in that bacteria
All of these.
Which of the following is NOT a domain in the three-domain system?
Animalia
Which of the following organisms lack cell walls?
Animalia
Which of the following lack a nucleus?
Bacteria
Which type of molecule is composed of (CH2O) units?
Carbohydrate
What is the type of bond between carbon, hydrogen, and oxygen atoms in organic molecules?
Covalent bond
What is the type of bond holding hydrogen and oxygen atoms in the H2O molecule?
Covalent bond
The antimicrobial drug imidazole inhibits sterol synthesis. This would most likely interfere with
Eukaryotic plasma membranes.
Which one of the following does NOT belong with the others?
Fungi
A multicellular organism that has chitin cell walls and absorbs organic material is a(n)
Fungus.
You are observing a cell through a microscope and note that it has no apparent nucleus. You conclude that it most likely
Has a peptidoglycan cell wall.
A multicellular organism that has a mouth and lives in an animal host is a(n)
Helminth
What is the type of bond between the hydrogen of one molecule and the nitrogen of another molecule?
Hydrogen bond
Which of the following pairs is mismatched?
Immunologist - studies ecology of Legionella pneumophila
What is the type of bond between ions in salt?
Ionic bond
Which of the following is the type of bond holding K+ and I- ions in KI?
Ionic bond
which stament about 12/6 c is false
It has 12 neutrons in its nucleus.
Which of the following pairs is mismatched?
KH2PO4 K+ + H2PO4- - acid
Archaea differ from bacteria in that archaea
Lack peptidoglycan.
Antacids neutralize acid by the following reaction. Identify the salt.Mg(OH)2 + 2HCl MgCl2 + H2O
MgCl2
Regarding the experiments that "proved" spontaneous generation, which of the following statements is probably true?
Microorganisms were already present.
Which of the following is a scientific name?
Mycobacterium leprae
What do genes consist of?
Nucleic acids
Who disproved the theory of spontaneous generation?
Pasteur
Regular use of antibacterial cleaning products
Promotes survival of bacteria that are resistant.
Assume Saccharomyces cerevisiae is grown in a nutrient medium containing the radioisotope 35S. After a 48-hour incubation, the 35S would most likely be found in the S. cerevisiae's
Proteins.
Which of the following does NOT belong with the others?
Protista
In the name Escherichia coli, coli is the
Specific epithet.
Which of the following statements about insect control by microorganisms is true?
The microorganisms are specific for the insect pest.
Which of the following is the best definition of biotechnology?
The use of living organisms to make desired products
Classification of organisms in the three domains is based on
Type of cell.
Which of the following statements is true?
Viruses cannot reproduce outside a host cell.
Which of the following statements is false?
Water molecules are formed by hydrolysis.
Which of the following pairs is mismatched?
Weizmann - virology
A nucleated, green cell that moves by means of flagella is a(n)
alga
which is ester
the longest one
Who was the first to observe microorganisms with a microscope?
van Leeuwenhoek
Which of the following pairs is mismatched?
van Leeuwenhoek - germ theory
