CH.08
1. Where does a non-competitive inhibitor bind?
a. active site
b. substrate
c. allosteric site
d. coenzyme
c. allosteric site
1. If cytosine is 23% how much is thymine?
a. 30%
b. 25%
c. 27%
d. 29%
c. 27%
Which of the following uses light as an energy source and organic carbon from inorganic carbon dioxide?
a. photoautotroph
b. organoautotroph
c. photoheterotroph
d. lithoheterotrophs
a. photoautotroph
1. In the death phase what is found?
a. endospores
b. persister cells
c. live cells
d. none of the above
e. options A & B
e. options A & B
1. Which route of administration is the quickest and most effective?
a. orally
b. intramuscular
c. topical
d. intravenous
d. intravenous
In the calvin benson cycle, carbon dioxide forms (200 pts)
a. oxygen
b. glucose
c. ATP
d. NADH
b. glucose
Which of the following recognizes specific codons and transports amino acids?
a. rRNA
b. mRNA
c. tRNA
d. DNA
C. tRNA
What experiment did Griffith conduct that demonstrated the first horizontal transmission of genetic information?
a. Transformation experiment with mice
b. DNA extraction from pea plants
c. Bacterial transformation in bacteria
d. X-ray diffraction of DNA
a. Transformation experiment with mice
If a culture starts with 75 cells, how many cells will be present after 5 generations with no cell death?
a. 2400
b. 4800
c. 1200
d. 375
A. 2400
Which of the following is safe for open wounds?
a. Disinfection
b. Antiseptics
c. Sanitation
d. Sterilization
b. antiseptics
In the krebs cycle for prokaryotes it takes place in the __?
a. mitochondrial matrix
b. cytoplasm
c. golgi apparatus
d. plasma membrane
B Cytoplasm
Which of the following is the transmission of genetic information between organisms in the same generation?
a. Vertical gene transfer
b. Horizontal gene transfer
c. Transcription
d. Translation
e. DNA replication
B. Horizontal gene transfer
Which of the following is the start codon?
a. AUG
b. UUA
c. GUA
d. UGA
a. AUG
3. What produces a peptidoglycan cell wall and builds a septum that divides the two daughter cells?
a. z-ring
b. FstZ
c. divisome
d. Quorum sensing
C. divisome
3. Which of the following inhibits the 30s subunit?
a. vancomycin
b. aminoglycosides
c. ciprofloxacin
d. chloramphenicol
b. aminoglycosides
Which of the following is not an exergonic reaction?
a. glycolysis
b. krebs cycle
c. oxidative phosphorylation
d. bond formation
d. bond formation
What binds to the phosphate group in DNA?
a. Nitrogenous bases
b. Deoxyribose sugar
c. Both carbon atoms
d. The 5’ and 3’ carbons
b. Deoxyribose sugar
Who produced the x-ray picture of DNA that lead to the discovery of DNA’s structure?
a. Rosalind Franklin
b. Watson and Crick
c. Chase and Hershey
d. Frederick Griffith
a. Rosalind Franklin
Which of the following levels has the potential to cause lethal infections by inhalation?
a. BSL-1
b. BSL-2
c. BSL-3
d. BSL-4
c. BSL-3
Which person(s) did the first penicillin trials?
a. Alexander Fleming
b. Paul Ehrlich
c. Selman Waksman
d. Florey and Chain
d. Florey and Chain
Where does glycolysis occur in eukaryotes and prokaryotes?
a. In the mitochondria of eukaryotes and in the cytoplasm of prokaryotes
b. In the cytoplasm of both eukaryotes and prokaryotes
c. In the nucleus of eukaryotes and in the cytoplasm of prokaryotes
d. In the chloroplasts of eukaryotes and in the cell membrane of prokaryotes
b. In the cytoplasm of both eukaryotes and prokaryotes
Which scientist(s) followed up Griffith’s experiment and showed that DNA is the transforming principle?
a. Oswald Avery, Colin MacLeod, and Maclyn McCarty
b. Watson and Crick
c. Chase and Hershey
d. Rosalind Franklin
a. Oswald Avery, Colin MacLeod, and Maclyn McCarty
What metabolism pathway breaks down large molecules?
a. Anabolism
b. Amphibolism
c. Catabolism
d. both a and c
c. Catabolism
Which of the following is not a requirement for autoclave?
a. 121*C
b. 15 psi
c. 15 secs
d. 15 min
c. 15 secs
Which of the following is not an ESKAPE pathogen?
a. Staphylococcus aureus
b. Acinetobacter pneumonia
c. Enterobacter botulism
d. Klebsiella pneumoniae
c. Enterobacter botulism