B and D
B and D
None of the above
Ehrlich - Chemotherapy
Koch - Aseptic Surgery
Pasteur - Proof of biogenesis
Flesh eating bacteria
Group A streptococcus
All are prokaryotic
All are multicellular
All require organic material for growth
All grow using sunlight and carbon dioxide
All are plants
They have rigid cell walls
They are classified by their method of locomotion
All are unicellular
All have complex cells
All are eukaryotic
Does not metabolize nutrients
Use host cell metabolic machinery to reproduce genome
Viruses have both DNA and RNA together as the genetic material
Viruses are parasitic
Maintaining good health in bacteria
Maintaining good health in humans and animals
Used to produce food and chemicals that are utilized by humans
Cause disease as a result of colonization
B, C, and D
Photoheterotroph - Light
Photoautotroph - CO2
Chemoautotroph - Fe2+
Chemoheterotroph - Glucose
Chemoautotroph - NH3
It involves glycolysis only
It involves the Krebs cycle.
It involves the reduction of nitrate.
It generates ATP.
It requires cytochromes.
It is reduced to lactic acid.
It is oxidized in the Krebs cycle
It is oxidized in the electron transport chain.
It is catabolized in glycolysis.
It is reduced in the Krebs cycle.
It would bind to a.
It would bind to b.
It would bind to c.
It would bind to d.
Electrons are passed through a series of carriers to O2.
The energy released as carrier molecules are oxidized is used to generate ATP
The energy released in the reduction of carrier molecules is used to generate ATP.
The transfer of a high-energy phosphate group to ADP.
It involves the direct transfer of a high-energy phosphate group from an intermediate metabolic compound to ADP.
No final electron acceptor is required.
It occurs in glycolysis.
The oxidation of intermediate metabolic compounds releases energy that is used to generate ATP.
It occurs in the Krebs cycle.
Light liberates an electron from chlorophyll.
The oxidation of carrier molecules releases energy.
Energy from oxidation reactions is used to generate ATP from ADP.
It requires CO2.
It occurs in photosynthesizing cells.
A segment of DNA.
Three nucleotides that code for an amino acid.
A sequence of nucleotides in DNA that codes for a fuctional product
A sequence of nucleotides in RNA that codes for a functional product.
A transcribed unit of DNA.
DNA polymerase – makes a molecule of DNA from a DNA template
RNA polymerase – makes a molecule of RNA from an RNA template
DNA ligase – joins segments of DNA
Transposase – insertion of DNA segments into DNA
DNA gyrase – coils and twists DNA
DNA polymerase joins nucleotides in one direction only.
The leading strand of DNA is made continuously.
The lagging strand of DNA is started by an RNA primer.
DNA replication proceeds in one direction around the bacterial chromosome.
Multiple replication forks are possible on a bacterial chromosome.
A single strand of nucleotides with internal hydrogen bonding.
Nucleotides bonded A–C and G–T.
Two strands of nucleotides running antiparallel.
Two strands of identical nucleotides with hydrogen bonds between them.
A new strand of DNA
None of the above
The genes coding for them are on plasmids.
They cause food-poisoning symptoms.
Nisin is a bacteriocin used as a food preservative.
They can be used to identify certain bacteria.
Bacteriocins kill baceria.
1, 2, 3, and 9
3 and 9
4, 6, and 8
4 and 8
5 and 6
1 will remain the same; 2 will become F+, leucine-, histidine-
1 will become F-, leu+, his+; 2 will become F+, leu-, his-
1 will become F-, leu-, his-; 2 will remain the same
1 will remain the same; 2 will become F+, leu+, his+
1 will remain the same; 2 will become F+ and recombination may occur
They will both remain the same
1 will become F+, leu+, his+; 2 will become F+, leu+, his+
1 will remain the same; Recombination will occur in 2
1 will become F-, leu+, his+; 2 will become Hfr, leu+, his+
An inducible enzyme.
A repressible enzyme.
A restriction enzyme.
Viruses are filterable.
Viruses are obligate intracellular parasites.
Viruses don't have any nucleic acid.
Viruses are not composed of cells.
Viruses don't reproduce.
They are not composed of cells.
They are filterable.
They cannot reproduce themselves outside a host.
They cause diseases similar to those caused by chemicals.
They are chemically simple.
They are used for penetration.
They are used for absorption.
They may cause hemagglutination.
They are found only on enveloped viruses.
They are found only on nonenveloped viruses.
Number of capsomeres
In laboratory animals
In culture media
In embryonated eggs
In cell culture
None of the above
Phage DNA is incorporated into host cell DNA.
Lysis of the host cell due to a phage.
The period during replication when virions are not present.
When the burst time takes an unusually long time.
Attachment of a phage to a cell.
A complete, infectious virus particle.
A nonenveloped, infectious piece of RNA.
A capsid without a nucleic acid.
An infectious protein.
All of the above
DNA or RNA