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First Aid: Biochemistry Molecular

Subjects : health-sciences, first-aid

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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1. Base + ribose
Collagedn synthesis where?
Molecular motor protiesn
Proofreading function in eukaryotic RNA
nucleosid

2. Bind 50S blocking translocation
tRNA aminoacylation
Which end of the tRNA is the amino acid bound to?
Prokaryotes
Macrolides

3. You glyucosolate hte pro - alpha chain lysine resudens and form procollagen (triple helix of alpha chains)
Higher the cholesterol or long saturated fatty acid content
cytokeratin
Glycosolation
Exons

4. Checkpoints control transition between phases of cell cycle. regulated by cyclins - CDKs and tumor suppressors. Mitosis (shortest phse)
Tetracyclines
Pyrimidines
Gag on pure gold
Cell cycle

5. Elastase
Elastin is broken down by
transversion
Single Strand DNA Repair types
Eukaroytes

6. One codon AUG
Collagedn synthesis where?
dyenin
methionine is only encoded by
Deamination of cytosine makes

7. ATP- AMP (2 phosphoanhydride bonds)
Step Three of RNA processing
tRNA aminoacylation
Cyclin - CDK
Elongation

8. P53 and RB normally inhibit g1 to S progression
Tumor Suppressors
mRNA stop codons
Deamination of cytosine makes
Tetracyclines

9. Completed protein is released from ribosme through simple hydrolosis and dissociates
the tRNA- amino acid bond
Termination
kinesin
Step one of RNA processing

10. Inhibit formation of the initation complex and cause misreading of mRNA
Glycosolation
In eukaryotes the starting amino acid is...
Aminoglycosides
degenerate or redundant

11. Promoter - enhancer - promoter - TATA- transcription initiation site - coding region (including exons and introns) and then the AATAAA
Order of mitosis
Alternate splicing
Smooth ER
Functional organization of the gene

12. Does not
polyadenylation does/does not require a template
CDKs
Oubain
commaless - non - overlapping

13. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end
Promoter mutation
Proteosomal degradation
Proofreading function in eukaryotic RNA
tRNA Structure

14. Antigout - acts on mts
frame shift
mRNA is syntehsized in which direction?
Cholchicine
Paclitaxil

15. The 5prime end (energy for the bond)
Introns
Smooth ER
Free ribosomes
Which end of the nucleotide has the triphosphate

16. Stretch of DNA that alters gene expression by binding transcription factors
Axonemal dyenin
CDKs
Xeroderma pigmentosum
Enhancer

17. Specific glycosylases recognize and remove damaged bases - AP endonuclease cuts DNA at pyrimidne site - empty sugar is removed and the gap is filled and resealed
Base excision repair
Prokaryote RNA pol
Where do introns and exons stay
Protein synthesis initiation

18. Non homologous end joining
Purines
nucleotide
Double Strand DNA repair
Type IV collagen is an important structural component of...

19. AD and AR- associated iwth joint dislocation - berry aneurysms - organ rupture
kinesin
Immunohistochemical stains vimentin
Primase
Associations of Ehlers Danlos

20. Strethchy protein within lungs - large artiers - elastic liaments - vocal cords - ligamenta flava)
actin and myosin
purines
Elastin
Functional organization of the gene

21. Methionine - which may be removed before translation is completed
In eukaryotes the starting amino acid is...
Free ribosomes
promoter
Single Strand DNA Repair types

22. Inhibits the atpase which increases intracellular sodium which increases intracellular calcium increases cardiaccontractility
Termination
Digoxin (cardiac glycosides)
tRNA
Which is the most and least abundant type of RNA

23. Inhibits thymidylate synthase down thymine
5FU
Where do introns and exons stay
commaless - non - overlapping
mRNA start codons

24. Create a nick in the helix to relieve supercoils created during replication
Replication fork
Post - translational modifications
missense mutation
DNA topoisomerases

25. Responsible for the accuracy of amino acid selection
aminoacyl - tRNA synthetase and binding of charged tRNA to the codon
Chloramphenicol
Which end of the tRNA is the amino acid bound to?
Axonemal dyenin

26. Greater melting temperature lower fluidity
Higher the cholesterol or long saturated fatty acid content
Clindamycin
Vincristine/Vinblastine
What ties teh nucleosome together

27. Phosphorylation - glycosloation - hyderoxylation
silent mutation
5FU
Heterochromatin
Covalent alterations

28. Codes for formyl methionine (f - Met)
tRNA gripping and going places
Aminoacylt - tRNA synthetase
single stranded binding proteinds
AUG codes For what in prokaryotes

29. Anterograde to microtubule
kinesin
Elastin is broken down by
What type of collagen is most affected in Ehlers Danlos
Prokaryote RNA pol

30. Remain in G0 regenerate from stem cells
Non homologous end joining
unambiguous
Mebendazole/thiabendazole
Permanent cells

31. HS1 - HSB - H2 - H4
Tropocollagen cross links between_____ to form____
histone octamer names
Euchromatin
Translocation

32. AUG inAUGurates protein synthesis
Collagen
Elongation
mRNA start codons
Mismatch repair

33. Neurons
Neurofilaments
tRNA aminoacylation
Elongation
Permanent cells

34. Methyl THYmine has a meTHYl
Termination
Thymine has a
Collagen
Cholchicine

35. Never go to Go divide rapidly with short G1 bone marrow - gut epithelium - skin - hair follicles
Prokaryotes
Labile
Alports syndrome
Gag on pure gold

36. Ketone
Chediak Higashi syndrome
Introns
Guanine has a
Step Three of RNA processing

37. Ribonucleotide reductase
Ribonucleotides are synthesized first and convertec to deoxyribonuclotides by
Eukaroytes
desmin
Enhancers and silencer may be located_____

38. Seals
the tRNA- amino acid bond
DNA ligase
Hereditary non polyposis colorectal cancer
Paclitaxil

39. Cylindrical structure composed of helical array of plymerized dimers of alpha and beta tubulin - flagella - cilia - mitotic spindle - grows slowly collapses quickly
Order of mitosis
microtubule
chromatin structure
C- G bond

40. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes
Kartageners syndrome
Stable (quiescent)
Total energy expenditure requirement for translocation
Protein synthesis initiation

41. Even 40S 60S =80S
unambiguous
Initial transcript without processing is known as
Eukaroytes
Primase

42. Rampant - Massive - TIny rRNA is most common - then mRNA and then tRNA
Nucleotide excision repair
Which is the most and least abundant type of RNA
Clindamycin
tRNA activation

43. Hydroxy proline and hydroxylysine
Hydroxylation of which amino acids are attached to Glycine to form collagen
Which end of the nucleotide has the triphosphate
tRNA
Vincristine/Vinblastine

44. Read froma fixed starting point as a continous sequenecs of bases
AUG codes For what in prokaryotes
commaless - non - overlapping
polyadenylation does/does not require a template
promoter

45. MRNA
Purines
What does the hydroxylation of proline and lysine require
universal
capped and tail transcript is called

46. Each codon specifies only 1 amino acid
actin and myosin
Sodium K ATPase
origin of replication
unambiguous

47. CUT 1 ring Cut the Py
Neurofilaments
Pyrimidines
Nucleotide excision repair
5FU

48. Site of secretory protiens (mucus secreting goblet cells and antibody secreting cells)
Oubain
Rough ER
Heterochromatin
Prokaryotes

49. Unmethylated - newly synthesized string is recognized - mismatched nucleotides are removed and the gap is filled and resealed
step two of RNA processing
Step one of RNA processing
Alternate splicing
Mismatch repair

50. Capping on 5 prime end (7 methylguanosine) -
Cholchicine
Step one of RNA processing
RNA processing in eukaryotes occurs
What does the hydroxylation of proline and lysine require

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First Aid: Biochemistry Molecular

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