Flashcards in Exam 1 Research Deck (50):
Which of the following is a correct description of prokaryotes?
b- Divide by binary fission
c- Many use flagella to move
d- Some have a cell wall made of peptidoglycan
Sarcodines are Protozoa, which move through the use of?
In general most prokaryotes are smaller than eukaryotes? True or False
Which is not correct description archaea?
Most are multicellular
Which of the following are eukaryotes?
Algae and Protozoa
Antoni Van Leewenhoek was the first person in history to?
View Protozoa and bacteria
All of the following are characteristics of fungi except:
They are made of prokaryotic cells
All of the following are associated with algae except:
They are important in the degradation of dead plants/animals.
Gram(-) cells have periplasm consisting of all the following except for:
All bacteria have a cell wall: True or False
Lysozyme is an antibiotic compound that destroys the bacterial cell wall by:
Degrading the bond between NAM & NAG
Which of the following is true concerning the glycocalyx of bacteria?
It serves as a function of adherence and protection
Small circular pieces of DNA that exist in prokaryotes providing benefits such as protection against antibiotic are called:
Which of the following will use the H2S as energy source?
The process of using the brief heat treatment to reduce the number of disease causing organisms is referred to as
All of the following are aspects of Pasteur's experiments to disprove spontaneous generation except:
The flasks he used were sealed with corks
Which of the following is an incorrect pairing
Which of the following term is Not a component of bacterial flagella?
Site of protein synthesis
Provides buoyancy for cell
Utilized for cell movement
Where hydrogen peroxide is broken down
Site of protein degradation
Where sex hormones are made
Secreted proteins begin to be folded or modified here
Where the most ATP is made in eukaryotes
Site of photosynthesis in eukaryotes
Site of rRNA synthesis
Dormant cells produced by sporulation
Which would likely grow well at 25*C and be involve in spoilage of food products?
Which of the bacterial cell structure plays role in creation of biofilms
Fimbriae and Glycocalyx
Small lipid soluble molecule would be expected to cross cytoplasmic membrane by which process?
Which would likely grow at 37*C and cause human disease
Media designed to promote growth of certain bacteria while at the shame time inhibiting growth of other forms?
Unlike desinfectant, antiseptic
Is nontoxic enough to be used on human tissue
The accumulation of glucose inside bacteria cell via phosphorylation of the molecule is an example of:
The D value is define as the time it takes to kill
90% of bacteria population
Which enzymes are utilized to fight the destruction effects of O2?
Catalase/ superoxide dismutase
Binds to S groups thus preventing proteins from folding
Gaseous agent used to sterilize pillows
Chlorine or iodine
+ charged detergent used to clean food preparation surfaces
At temperatures higher that the maximum growth temperature for an organism:
Proteins are permanently denatured, membranes become too fluid for proper function, and hydrogen bonds within molecules are broken.
All prokaryotes have circular genes, while all eukaryotes have lineR genomes: True or False
During which growth phase are bacteria more susceptible to antimicrobial drugs?
The term Sterilization applies to the removal of all the following except:
Which of the following is not bacteriostatic?
Which of the following would be used to sterilize a mattress
Some cells use pseudopodia primarily during the process of?