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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
Chargaff
Anticodon
GRAM POSITIVE
Affinity
2. Many amino acids bonded together with peptide bonds
PORIN
Polypeptide
Reduction
EUKARYOTE
3. Unzips the DNA double Helix
Helicase
LIPOPOLYSACCHARIDE
Gyrase
TETRAPEPTIDE CROSS LINK
4. (LPS); lipids and polysaccharides linked together by covalent bonds
Oxidation
DNA polymerase I
OUTER MEMBRANE
LIPOPOLYSACCHARIDE
5. Outermost layer of the Gram Positive bacterium
tRNA
CELL WALL
Anabolic
Translation
6. Bonds between NAG & NAG or NAM & NAM
POLYSACCHARIDE
Protein
NAG & NAM
GLYCOSIDIC BOND
7. Loss of e-
Oxidation
Affinity
DNA polymerase I
Electronegativity
8. Found the double helicle structure of DNA
Franklin
Nucleus
Endonuclease
Polypeptide
9. Replicated in fragments known as Okazaki Fragments
DNA polymerase I
Anabolic
Lagging Strand
Hershey and Chase
10. Bacteria cell that contains: CW - periplasmic space - & CM
Leading strand
LIPID
GRAM POSITIVE
Regulator
11. Stop free radicals from damaging cells - helps O trap e-
Antioxidants
Crystal Violet
DNA polymerase I
CYTOPLAMIC MEMBRANE
12. Bacteria cell that contains: OM - CW - periplamic space - & CM
PERIPLASM
Tata box
GRAM NEGATIVE
tRNA
13. Found DNA to be the genetic material in cells
Hershey and Chase
3' -5'
BACILLI
Lactose
14. Lactose binds to repressor and it releases from operator
Stop codon
Inducer
Exons
PHOSPHOLIPID BILAYER
15. Transfer RNA that attaches to amino acids
Gram Negative
tRNA
ATP
TETRAPEPTIDE CROSS LINK
16. How strong a molecule/atom can pull e-
Protein
Codon
Electronegativity
ATP
17. Has 2 layers CW - CM
GAPDH
Gram Positive
TECHOID ACID
PERIPLASM
18. Keeps the DNA strands separated
Single Stranded Binding Protein
ENDOTOXIN
GRAM NEGATIVE
Anabolic
19. Polymer of carbohydrates joined together by glycosidic bonds
Polypeptide
Ligase
POLYSACCHARIDE
Exons
20. Is a code in which it is the same code forward as it is backwards - restriction sites
COCCI
Alcohol
DNA polymerase I
Palindrome
21. Found one to one ratio between base pairs
Chargaff
3' -5'
Substrate Level Phosphorolation
Gram Positive
22. Cell that contains a nucleus and membrane bound organelles (big cell)
EUKARYOTE
Affinity
BACILLI
Primer
23. Released from a lipopolysaccharide in a Gram - bacterium
Cellular respiration
Chargaff
ENDOTOXIN
LAC Operon
24. Leading strand
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25. Series of amino acids held together by peptide bonds
Iodine
RNA polymerase
HYDROPHILIC
Protein
26. Construction site to build proteins from mRNA and tRNA
POLYSACCHARIDE
Affinity
Ribosomes
tRNA
27. Where RNA polymerase starts
Palindrome
Anabolic
Operator
Restriction Enzyme
28. Messenger RNA that leaves the nucleus with the genetic code for a protein
mRNA
Polypeptide
HYDROPHOBIC
EUKARYOTE
29. Replicated continuously
Stop codon
Phosphorolation
Endonuclease
Leading strand
30. Stains gram negative and gram positive bacteria
Hershey and Chase
Transcription
Gram Staining
Ribozymes
31. Is an enzyme that cuts double-stranded or single stranded DNA at specific recognition sites
Glycolysis
Exons
Iodine
Restriction Enzyme
32. Lipid component of endotoxin (Gram -)
Exons
LIPID A
NAG & NAM
NADH
33. Build up of molecules
Anabolic
RNA polymerase
PROKARYOTE
OUTER MEMBRANE
34. Protein that makes RNA primers and makes mRNA from DNA
LIPOPOLYSACCHARIDE
Lagging Strand
RNA polymerase
Helicase
35. It is the two single stranded regions of DNA that is being replicated
Amino acids
Replication fork
Gram Positive
Electronegativity
36. Glyceraldyhyde 3 Phosphaet Dehydrogenase - phosphorolates and reduces NAD by adding 2e- and a H+
Iodine
GAPDH
Promoter
Translation
37. Location of transcription
Nucleus
PEPTIDE BOND
Catabolic
TETRAD
38. Break down of molecules
DNA polymerase I
Catabolic
Amino acids
Alcohol
39. 'water fearing' (non polar molecules) ie. Lipid tail
HYDROPHOBIC
Substrate Level Phosphorolation
Chargaff
NAD+
40. Binds to promoter which stops promotion of lactose
Repressor
Endonuclease
LIPID
Translation
41. Monomers of proteins
Franklin
Amino acids
TECHOID ACID
LIPOPOLYSACCHARIDE
42. Lagging strand
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43. 2-layer permeable membrane that forms a continuous barrier around a cell
PHOSPHOLIPID BILAYER
Primer
LIPOPOLYSACCHARIDE
Helicase
44. Are Restriction Enzymes
Lactose
TECHOID ACID
Replication fork
Endonuclease
45. LPS layer of a Gram Negative bacterium
OUTER MEMBRANE
Glycolysis
Antioxidants
Franklin
46. Cuts the introns out of mRNA
NAG & NAM
Ribozymes
Introns
Reduction
47. Murein; consists of sugars & amino acids that make a mesh-like layer outside the CW
PEPTIDOGLYCAN
Electronegativity
Amino acids
Cytoplasm
48. Process of breaking down glucose to pyruvate
PORIN
Endergonic
Chargaff
Glycolysis
49. Location of translation
Cytoplasm
Phosphorolation
PROKARYOTE
GRAM NEGATIVE
50. A sequence of three nucleotide in DNA & RNA
Ligase
Codon
COMMA
Chargaff