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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. Released from a lipopolysaccharide in a Gram - bacterium
Phosphorolation
G3P
LIPID A
ENDOTOXIN
2. A set of codons that terminates the sequence (stop codon)
Protein
Release factor
LIPID A
Ribosomes
3. Polymer of carbohydrates joined together by glycosidic bonds
Exons
POLYSACCHARIDE
NADH
PROKARYOTE
4. It is the two single stranded regions of DNA that is being replicated
Anticodon
Replication fork
Iodine
Inducer
5. One of the four bases in mRNA (replaces thymine)
OUTER MEMBRANE
Uracil
PEPTIDE BOND
POLYSACCHARIDE
6. Are Restriction Enzymes
Tata box
Endonuclease
LIPOPOLYSACCHARIDE
Gram Negative
7. Rod shaped
NAD+
TETRAPEPTIDE CROSS LINK
G3P
BACILLI
8. Binds to promoter which stops promotion of lactose
PEPTIDE BOND
Inducer
Repressor
Regulator
9. 'pair'
DIPLO
NAD+
Crystal Violet
Lagging Strand
10. Lactose binds to repressor and it releases from operator
STREPT
Cytoplasm
Inducer
Amino acids
11. Initiates transcription
Palindrome
Tata box
Anabolic
Methionine
12. Coding regions on mRNA
Protein
Affinity
Codon
Exons
13. Non polar molecule component of the CM (the 'tail')
Exons
STAPHYL
LIPID
Peptide bond
14. Build up of molecules
Anabolic
Repressor
Lagging Strand
G3P
15. Where RNA polymerase starts
PEPTIDE BOND
Operator
Peptide bond
Reduction
16. Bacteria cell that contains: CW - periplasmic space - & CM
GRAM POSITIVE
tRNA
Substrate Level Phosphorolation
COMMA
17. The last - ending codon that terminates the sequence
Exergonic
Stop codon
ARCHAEA
mRNA
18. Phosphate is added to a molecule to make it unstable. Molecule more easily broken now.
Phosphorolation
DNA Polymerase III
TETRAD
Repressor
19. Monomers of proteins
Amino acids
Franklin
Uracil
Substrate Level Phosphorolation
20. Stop free radicals from damaging cells - helps O trap e-
DNA polymerase I
Affinity
PERIPLASM
Antioxidants
21. Bonds between NAG & NAG or NAM & NAM
tRNA
GLYCOSIDIC BOND
RNA polymerase
Avery
22. Lays down RNA Primase to indicate the start of replication
Glycolysis
Uracil
RNA polymerase
ARCHAEA
23. That doesn't contain a nucleus or membrane bound organelles (small cell)
Franklin
Single Stranded Binding Protein
PROKARYOTE
Glycolysis
24. Found one to one ratio between base pairs
STREPT
NAG & NAM
Chargaff
Helicase
25. Loss of e-
Crystal Violet
Single Stranded Binding Protein
GAPDH
Oxidation
26. Microbes; single celled microorganisms
RNA polymerase
Nucleus
ARCHAEA
3' -5'
27. Nicotinamide Adenine Dinuecleotide
Iodine
Operator
SPIRILLI
NAD+
28. Acts as a mordant
Helicase
Iodine
Endergonic
RNA polymerase
29. Replicated in fragments known as Okazaki Fragments
PHOSPHOLIPID BILAYER
Gram Negative
Lagging Strand
DNA polymerase I
30. Comma shaped
Gram Negative
Oxidation
Nucleus
COMMA
31. Is an enzyme that cuts double-stranded or single stranded DNA at specific recognition sites
PEPTIDOGLYCAN
PHOSPHATE
Restriction Enzyme
Stop codon
32. NAD+ and a hydrogen - e- carrier
Methionine
LIPID A
NADH
OUTER MEMBRANE
33. Is an enzyme that glues the sticky or the blunt ends to join the strands
DNA polymerase I
Ligase
TETRAPEPTIDE CROSS LINK
Avery
34. Stains gram negative and gram positive bacteria
Gram Staining
PORIN
COMMA
NADH
35. 2-layer permeable membrane that forms a continuous barrier around a cell
LIPOPOLYSACCHARIDE
PHOSPHOLIPID BILAYER
Alcohol
Exons
36. Attraction
LIPID A
STAPHYL
Affinity
Chargaff
37. The codon on tRNA that matches up with and attaches to a codon on mRNA
HYDROPHOBIC
Anticodon
PEPTIDOGLYCAN
SPIRILLI
38. Purine adenine - ribose and 3 phosphates
Exons
BACILLI
ATP
CELL WALL
39. 'chain'
Operator
Exons
CELL WALL
STREPT
40. Replicated continuously
Glycolysis
PERIPLASM
Leading strand
ATP
41. 'four'
Anticodon
TETRAD
POLYSACCHARIDE
Gram Negative
42. Okazaki fragments are than linke
DNA polymerase I
ENDOTOXIN
DNA Polymerase III
Electronegativity
43. 'water fearing' (non polar molecules) ie. Lipid tail
Cellular respiration
HYDROPHOBIC
Oxidation
Exergonic
44. The chemical process in which glucose is broken down into two parts
mRNA
RNA polymerase
Gyrase
Glycolysis
45. Stains the LPS of the gram negative bacteria
Tata box
Palindrome
RNA polymerase
Safranin
46. Is a code in which it is the same code forward as it is backwards - restriction sites
Introns
CYTOPLAMIC MEMBRANE
5' - 3'
Palindrome
47. Breaks down lactase
PERIPLASM
RNA polymerase
Lactose
Gyrase
48. Lagging strand
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49. Found the transforming factor to be DNA
STREPT
PEPTIDOGLYCAN
Avery
3' -5'
50. Covalent bonds between amino acids
Avery
PEPTIDE BOND
NAD+
Codon