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Test your basic knowledge |
DSST Biochemistry 2
Start Test
Study First
Subjects
:
dsst
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Attraction
Franklin
Cytoplasm
Affinity
Lactose
2. (LPS); lipids and polysaccharides linked together by covalent bonds
LIPOPOLYSACCHARIDE
Codon
Ligase
DNA Polymerase III
3. Stains the Lipid A of gram positive bacteria cell wall
Tata box
GRAM POSITIVE
Crystal Violet
Restriction Enzyme
4. The chemical process in which glucose is broken down into two parts
STREPT
G3P
COCCI
Glycolysis
5. Gain of e-
Lactose
Anabolic
Exergonic
Reduction
6. It is the two single stranded regions of DNA that is being replicated
GRAM NEGATIVE
Replication fork
GLYCOSIDIC BOND
HYDROPHILIC
7. Cell that contains a nucleus and membrane bound organelles (big cell)
CYTOPLAMIC MEMBRANE
EUKARYOTE
Helicase
Franklin
8. Build up of molecules
Anabolic
Anticodon
Lactose
Peptide bond
9. Found one to one ratio between base pairs
ATP
PORIN
Chargaff
Electronegativity
10. Many amino acids bonded together with peptide bonds
Endonuclease
Polypeptide
Activation energy
Safranin
11. Breaks down lactase
DNA polymerase I
LIPOPOLYSACCHARIDE
DIPLO
Lactose
12. Glyceraldyhyde 3 Phosphaet Dehydrogenase - phosphorolates and reduces NAD by adding 2e- and a H+
GAPDH
HYDROPHOBIC
RNA polymerase
LIPOPOLYSACCHARIDE
13. Has 2 layers CW - CM
Lagging Strand
Endergonic
Gram Positive
LAC Operon
14. Transfer RNA that attaches to amino acids
Gram Staining
Oxidation
tRNA
ARCHAEA
15. Makes a repressor - binds to promoter/operator to stop RNA polymerase
Regulator
Glycolysis
mRNA
TECHOID ACID
16. How protein synthesis is regulated prokaryoticly on plasmid of the cell
Electronegativity
LAC Operon
EUKARYOTE
DNA Polymerase III
17. Removes Crystal Violet color from the gram negative bacteria
Iodine
NAG & NAM
Alcohol
Glycolysis
18. Non-coding regions on mRNA
CELL WALL
Substrate Level Phosphorolation
Ligase
Introns
19. Released from a lipopolysaccharide in a Gram - bacterium
ENDOTOXIN
TETRAPEPTIDE CROSS LINK
Protein
tRNA
20. Comma shaped
Lactose
STAPHYL
Antioxidants
COMMA
21. Nicotinamide Adenine Dinuecleotide
Avery
Crystal Violet
NAD+
Amino acids
22. Bonds between NAG & NAG or NAM & NAM
DNA polymerase I
GLYCOSIDIC BOND
Primer
COCCI
23. A sequence of three nucleotide in DNA & RNA
RNA polymerase
Crystal Violet
Codon
LAC Operon
24. Initiates transcription
PERIPLASM
Polypeptide
Transcription
Tata box
25. Chains of molecules attached to the CW of a Gram + bacterium
PHOSPHOLIPID BILAYER
DNA polymerase I
ENDOTOXIN
TECHOID ACID
26. Membrane surrounding the cytoplasm
Introns
NAD+
Oxidation
CYTOPLAMIC MEMBRANE
27. Process of breaking down glucose to pyruvate
GRAM POSITIVE
Glycolysis
ENDOTOXIN
Electronegativity
28. Stop free radicals from damaging cells - helps O trap e-
Affinity
ARCHAEA
mRNA
Antioxidants
29. How cells use energy stored in food and molecules to make ATP
PEPTIDE BOND
GAPDH
Cellular respiration
NAG & NAM
30. Leading strand
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31. Lays down RNA Primase to indicate the start of replication
Nucleus
RNA polymerase
Introns
Gram Negative
32. Is a code in which it is the same code forward as it is backwards - restriction sites
Palindrome
Polypeptide
Lagging Strand
Oxidation
33. Phosphate is added to a molecule to make it unstable. Molecule more easily broken now.
Phosphorolation
LAC Operon
Palindrome
LIPID
34. The last - ending codon that terminates the sequence
Stop codon
Cellular respiration
PERIPLASM
Protein
35. Uncoils the DNA strand
DNA Polymerase III
Phosphorolation
GLYCOSIDIC BOND
Gyrase
36. 2-layer permeable membrane that forms a continuous barrier around a cell
PERIPLASM
PHOSPHOLIPID BILAYER
Protein
PORIN
37. Murein; consists of sugars & amino acids that make a mesh-like layer outside the CW
LIPOPOLYSACCHARIDE
Restriction Enzyme
PEPTIDOGLYCAN
Antioxidants
38. LPS layer of a Gram Negative bacterium
SPIRILLI
Cellular respiration
OUTER MEMBRANE
LIPID
39. One of the four bases in mRNA (replaces thymine)
Palindrome
Repressor
Uracil
Sticky ends
40. Messenger RNA that leaves the nucleus with the genetic code for a protein
Amino acids
Avery
mRNA
Franklin
41. Found DNA to be the genetic material in cells
Hershey and Chase
Gram Positive
Restriction Enzyme
Alcohol
42. Coding regions on mRNA
Lactose
Restriction Enzyme
Exons
PERIPLASM
43. Circular
DNA polymerase I
Exons
BACILLI
COCCI
44. Lagging strand
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45. Signals the start of DNA replication
Primer
HYDROPHOBIC
Gram Positive
PROKARYOTE
46. Covalent bonds between amino acids
mRNA
PEPTIDE BOND
NADH
Gram Staining
47. Unzips the DNA double Helix
Endergonic
Helicase
CYTOPLAMIC MEMBRANE
Restriction Enzyme
48. Lipid component of endotoxin (Gram -)
Glycolysis
Release factor
Activation energy
LIPID A
49. Bond between amino acids in a protein
Peptide bond
Electronegativity
tRNA
Lactose
50. Spontaneous - doesn't require energy
PHOSPHOLIPID BILAYER
CYTOPLAMIC MEMBRANE
Chargaff
Exergonic