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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. Protein that makes RNA primers and makes mRNA from DNA
TECHOID ACID
Exergonic
PEPTIDE BOND
RNA polymerase
2. Where RNA polymerase starts
Operator
GLYCOSIDIC BOND
Primer
Sticky ends
3. Components of the CW linked by peptide bonds
POLYSACCHARIDE
NAG & NAM
STAPHYL
Amino acids
4. Non-coding regions on mRNA
Antioxidants
NAG & NAM
CYTOPLAMIC MEMBRANE
Introns
5. Coding regions on mRNA
Methionine
PEPTIDOGLYCAN
Exons
Alcohol
6. Gain of e-
Reduction
Release factor
Crystal Violet
Ribozymes
7. 'pair'
Endergonic
DIPLO
PEPTIDE BOND
GRAM NEGATIVE
8. The last - ending codon that terminates the sequence
Primer
Franklin
Gram Staining
Stop codon
9. Has 3 layers OM - CW - CM
Gram Negative
Antioxidants
Ligase
Endergonic
10. The first - leading codon in a sequence of codons (AUG)
LIPOPOLYSACCHARIDE
Affinity
Methionine
Glycolysis
11. Non polar molecule component of the CM (the 'tail')
Sticky ends
Stop codon
EUKARYOTE
LIPID
12. Cuts the introns out of mRNA
Glycolysis
Ribozymes
mRNA
Gram Negative
13. Keeps the DNA strands separated
COMMA
Codon
Single Stranded Binding Protein
GRAM POSITIVE
14. Many amino acids bonded together with peptide bonds
Uracil
LIPID A
GLYCOSIDIC BOND
Polypeptide
15. 2-layer permeable membrane that forms a continuous barrier around a cell
PHOSPHOLIPID BILAYER
STREPT
Activation energy
Gram Negative
16. Spontaneous - doesn't require energy
POLYSACCHARIDE
COCCI
Exergonic
Catabolic
17. Transfer RNA that attaches to amino acids
OUTER MEMBRANE
tRNA
ARCHAEA
Safranin
18. The codon on tRNA that matches up with and attaches to a codon on mRNA
Anticodon
NADH
SPIRILLI
Endonuclease
19. Process of breaking down glucose to pyruvate
ARCHAEA
Glycolysis
PORIN
Exons
20. Lays down RNA Primase to indicate the start of replication
NAD+
Iodine
Lagging Strand
RNA polymerase
21. Removes Crystal Violet color from the gram negative bacteria
Alcohol
Exons
GAPDH
Phosphorolation
22. Construction site to build proteins from mRNA and tRNA
Repressor
Ribosomes
Anabolic
Helicase
23. Chains of molecules attached to the CW of a Gram + bacterium
Codon
TECHOID ACID
Gram Staining
RNA polymerase
24. Protein channel
Amino acids
POLYSACCHARIDE
PORIN
NAG & NAM
25. Glyceraldyhyde 3 Phosphaet Dehydrogenase - phosphorolates and reduces NAD by adding 2e- and a H+
Anabolic
Release factor
GAPDH
tRNA
26. Location of transcription
Nucleus
Methionine
Sticky ends
Helicase
27. Where the double stranded end came a part and the complimentary start join
Sticky ends
LIPID A
Hershey and Chase
PEPTIDOGLYCAN
28. Stop free radicals from damaging cells - helps O trap e-
NAG & NAM
TETRAD
GRAM NEGATIVE
Antioxidants
29. Binds to promoter which stops promotion of lactose
Exons
Electronegativity
Repressor
ARCHAEA
30. Build up of molecules
Electronegativity
Anabolic
Ligase
Ribozymes
31. Unzips the DNA double Helix
Helicase
Electronegativity
Franklin
HYDROPHILIC
32. Initiates transcription
Gram Positive
GRAM NEGATIVE
Tata box
Release factor
33. Messenger RNA that leaves the nucleus with the genetic code for a protein
mRNA
COCCI
Introns
Gram Positive
34. Polar molecule component of the CM (the 'head')
PHOSPHATE
CELL WALL
Antioxidants
Transcription
35. Attraction
Electronegativity
Affinity
TETRAPEPTIDE CROSS LINK
Safranin
36. Bond between amino acids in a protein
Peptide bond
GRAM NEGATIVE
PORIN
Nucleus
37. Bonds between NAG and NAM
STREPT
TETRAPEPTIDE CROSS LINK
CYTOPLAMIC MEMBRANE
Endergonic
38. Replicated in fragments known as Okazaki Fragments
Promoter
G3P
Lagging Strand
Nucleus
39. Spiral
SPIRILLI
Catabolic
G3P
Crystal Violet
40. Replicated continuously
Activation energy
Leading strand
Protein
COCCI
41. Stains gram negative and gram positive bacteria
Gram Positive
Promoter
Peptide bond
Gram Staining
42. How protein synthesis is regulated prokaryoticly on plasmid of the cell
GRAM NEGATIVE
LAC Operon
Stop codon
Peptide bond
43. Rod shaped
BACILLI
PORIN
Ribosomes
Anabolic
44. Found the double helicle structure of DNA
Inducer
DNA polymerase I
TETRAD
Franklin
45. 2 phosphates attached to glucose forming a 6 carbon compound & 2Pi (1 phosphate glucose) - ATP becomes ADP - done twice to make a 1 -6 glucose - phosphorolates and makes NAD+
DNA Polymerase III
TETRAD
Franklin
Substrate Level Phosphorolation
46. Is an enzyme that glues the sticky or the blunt ends to join the strands
Ligase
ARCHAEA
RNA polymerase
Transcription
47. A sequence of three nucleotide in DNA & RNA
Glycolysis
Gyrase
PHOSPHATE
Codon
48. 'water fearing' (non polar molecules) ie. Lipid tail
CYTOPLAMIC MEMBRANE
Translation
Release factor
HYDROPHOBIC
49. Purine adenine - ribose and 3 phosphates
ATP
PERIPLASM
Gram Negative
Gyrase
50. Phosphate is added to a molecule to make it unstable. Molecule more easily broken now.
PORIN
TETRAPEPTIDE CROSS LINK
Phosphorolation
Ribozymes