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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. Where the double stranded end came a part and the complimentary start join
OUTER MEMBRANE
Sticky ends
Endonuclease
Codon
2. Lagging strand
3. A sequence of three nucleotide in DNA & RNA
TETRAD
GRAM NEGATIVE
GRAM POSITIVE
Codon
4. Polar molecule component of the CM (the 'head')
Hershey and Chase
PHOSPHATE
PERIPLASM
Regulator
5. Replicated continuously
Catabolic
LIPID A
LIPOPOLYSACCHARIDE
Leading strand
6. 'four'
TETRAD
NAG & NAM
Helicase
Polypeptide
7. Loss of e-
NADH
ATP
Glycolysis
Oxidation
8. LPS layer of a Gram Negative bacterium
Stop codon
OUTER MEMBRANE
CELL WALL
RNA polymerase
9. The process of creating mRNA using DNA
Gram Positive
Anabolic
Transcription
Restriction Enzyme
10. 'pair'
Inducer
Substrate Level Phosphorolation
Promoter
DIPLO
11. Membrane surrounding the cytoplasm
Endergonic
Avery
CYTOPLAMIC MEMBRANE
Nucleus
12. Glyceraldyhyde 3 Phosphaet Dehydrogenase - phosphorolates and reduces NAD by adding 2e- and a H+
Protein
GAPDH
Leading strand
OUTER MEMBRANE
13. Spontaneous - doesn't require energy
Exergonic
CELL WALL
PHOSPHATE
Iodine
14. Bacteria cell that contains: CW - periplasmic space - & CM
LIPOPOLYSACCHARIDE
GRAM POSITIVE
OUTER MEMBRANE
PHOSPHATE
15. Transfer RNA that attaches to amino acids
Introns
Cytoplasm
Endonuclease
tRNA
16. 2-layer permeable membrane that forms a continuous barrier around a cell
POLYSACCHARIDE
Tata box
Catabolic
PHOSPHOLIPID BILAYER
17. Cuts the introns out of mRNA
Ribozymes
tRNA
Gyrase
Leading strand
18. Purine adenine - ribose and 3 phosphates
ATP
Lactose
PEPTIDE BOND
PEPTIDOGLYCAN
19. 'water fearing' (non polar molecules) ie. Lipid tail
RNA polymerase
DNA polymerase I
HYDROPHOBIC
PROKARYOTE
20. Is a code in which it is the same code forward as it is backwards - restriction sites
Palindrome
Exons
TECHOID ACID
NAD+
21. Messenger RNA that leaves the nucleus with the genetic code for a protein
Ligase
mRNA
Anticodon
Hershey and Chase
22. How protein synthesis is regulated prokaryoticly on plasmid of the cell
PEPTIDOGLYCAN
NAD+
PHOSPHOLIPID BILAYER
LAC Operon
23. Bonds between NAG & NAG or NAM & NAM
TETRAPEPTIDE CROSS LINK
SPIRILLI
G3P
GLYCOSIDIC BOND
24. Process of breaking down glucose to pyruvate
PEPTIDE BOND
DNA Polymerase III
Regulator
Glycolysis
25. Phosphate is added to a molecule to make it unstable. Molecule more easily broken now.
Gyrase
Introns
Phosphorolation
EUKARYOTE
26. Nicotinamide Adenine Dinuecleotide
NAD+
Translation
ATP
Electronegativity
27. Location of transcription
PHOSPHATE
DNA polymerase I
Nucleus
Antioxidants
28. One of the four bases in mRNA (replaces thymine)
5' - 3'
Anticodon
Uracil
NADH
29. Acts as a mordant
Glycolysis
Oxidation
Anabolic
Iodine
30. Bacteria cell that contains: OM - CW - periplamic space - & CM
Oxidation
GRAM NEGATIVE
Methionine
HYDROPHILIC
31. The first - leading codon in a sequence of codons (AUG)
Sticky ends
Methionine
Cytoplasm
Safranin
32. Spiral
SPIRILLI
Transcription
HYDROPHILIC
Repressor
33. Chains of molecules attached to the CW of a Gram + bacterium
Franklin
TECHOID ACID
DNA polymerase I
ENDOTOXIN
34. Are Restriction Enzymes
Substrate Level Phosphorolation
OUTER MEMBRANE
Endonuclease
Gram Negative
35. Uncoils the DNA strand
Operator
Release factor
Gyrase
Endergonic
36. Protein that makes RNA primers and makes mRNA from DNA
Alcohol
RNA polymerase
Chargaff
PHOSPHATE
37. Place where repressor binds - where RNA polymerase binds
LAC Operon
Gram Staining
Promoter
Endonuclease
38. Has 2 layers CW - CM
GAPDH
Replication fork
Gram Positive
CYTOPLAMIC MEMBRANE
39. Coding regions on mRNA
Exons
Helicase
CYTOPLAMIC MEMBRANE
Ligase
40. Rod shaped
GRAM NEGATIVE
Replication fork
BACILLI
Inducer
41. Not spontaneous - requires energy
Ribosomes
Endergonic
Gram Positive
tRNA
42. Comma shaped
tRNA
LAC Operon
COMMA
GAPDH
43. Construction site to build proteins from mRNA and tRNA
3' -5'
PEPTIDE BOND
Sticky ends
Ribosomes
44. Outermost layer of the Gram Positive bacterium
CELL WALL
Introns
STAPHYL
STREPT
45. Is an enzyme that glues the sticky or the blunt ends to join the strands
Translation
ARCHAEA
Ligase
Glycolysis
46. Is an enzyme that cuts double-stranded or single stranded DNA at specific recognition sites
Catabolic
Polypeptide
Restriction Enzyme
Activation energy
47. Keeps the DNA strands separated
PORIN
Single Stranded Binding Protein
OUTER MEMBRANE
Lactose
48. Non-coding regions on mRNA
OUTER MEMBRANE
POLYSACCHARIDE
Restriction Enzyme
Introns
49. Attraction
Reduction
Affinity
Anticodon
COMMA
50. Process of using mRNA to create proteins
LIPID A
Chargaff
Translation
Endonuclease