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Test your basic knowledge |
First Aid: Biochemistry Molecular
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Study First
Subjects
:
health-sciences
,
first-aid
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. Bm - kidney - ears and eyes
Immunohistochemical stains vimentin
polyadenylation does/does not require a template
Guanine has a
Type IV collagen is an important structural component of...
2. Cylindrical structure composed of helical array of plymerized dimers of alpha and beta tubulin - flagella - cilia - mitotic spindle - grows slowly collapses quickly
microtubule
universal
Fluoroquinolones
Stable (quiescent)
3. No proofreading function but can initiate chains. RNA poymerase II opens DNA at promoter site
Proofreading function in eukaryotic RNA
Alternate splicing
Protein synthesis is in which direction
Euchromatin
4. Must be both activated and inactivated for cell cycle to progress
6MP
Prokaryote RNA pol
Cyclin - CDK
Going APE
5. RER translation of collagen alpha chains (preprocollagen) usually Gly-X-Y
Translocation
Collagedn synthesis where?
Labile
Tetracyclines
6. In the nucleus after transcitpion and only processed RNA is transporte out of the nucleus
RNA processing in eukaryotes occurs
Immunohistochemical stains vimentin
Plasma membrane composition
Double Strand DNA repair
7. Change resulting in misreading of all nucleotides downstream - usually resulting in a truncated non functional protien
Prokaryote RNA pol
Hydroxylation of which amino acids are attached to Glycine to form collagen
pyrimadines
frame shift
8. Made from orogate precuror with PRPP added later
Xeroderma pigmentosum
pyrimadines
kinesin
Immunohistochemical stains vimentin
9. GTP
Step one of RNA processing
tRNA gripping and going places
transition
Aminoglycosides
10. Anti breast cancer - acts on mts
Tetracyclines
Nucleotide excision repair
Paclitaxil
kinesin
11. Accurate base pairing is required only in the first 2 nucleotide positions of an mRNA so codons differing ht e3rd wobble psoition may code for the same tRNA/amino acid code
tRNA
Macrolides
universal
Immunohistochemical stains vimentin
12. AUG inAUGurates protein synthesis
Termination
methionine is only encoded by
microtubule
mRNA start codons
13. (A - G) 2 rings Pure As Gold
Oubain
Purines
Step one of RNA processing
DNA topoisomerases
14. Promoter - enhancer - promoter - TATA- transcription initiation site - coding region (including exons and introns) and then the AATAAA
Functional organization of the gene
Deamination of cytosine makes
Total energy expenditure requirement for translocation
step two of RNA processing
15. UGA - UAG - UAA
Hereditary non polyposis colorectal cancer
histone octamer names
Step one of RNA processing
mRNA stop codons
16. Inhibit DNA gyrase (specific prokaryotic topoisomerase)
intermediate filaments
Rough ER
Fluoroquinolones
Tumor Suppressors
17. Immotile cilia due to a dyenin arm defect. Results in male nad female inferticility (sperm immotile) - bronchiectasis - and recurrent sinusisits - associated with situs inversus
Gag on pure gold
Where do introns and exons stay
tRNA aminoacylation
Kartageners syndrome
18. P53 and RB normally inhibit g1 to S progression
Eukaroytes
Immunohistochemical stains vimentin
Tumor Suppressors
Protein synthesis initiation
19. Codes for formyl methionine (f - Met)
Digoxin (cardiac glycosides)
AUG codes For what in prokaryotes
Free ribosomes
Rough ER
20. Prokaryotic only. Elongates leading strand by adding deoxynucleotides to the 3prime end. Elongates laggin strand. 3 prime to 5 prime exonuclease activity
Functional organization of the gene
Step one of RNA processing
Thymine has a
DNA pol III
21. Three amino acids necessary for purine synthesis= glutamine - aspartate and glycine
Gag on pure gold
Pyrimidines
Hereditary non polyposis colorectal cancer
Proteosomal degradation
22. Mutation in nucleotide excision repair Dry skin with melanoma and other cancers
Excocytosis of collagen
Xeroderma pigmentosum
Chloramphenicol
A- T
23. Ribonucleotide reductase
Ribonucleotides are synthesized first and convertec to deoxyribonuclotides by
Enhancers and silencer may be located_____
Molecular motor protiesn
histone octamer names
24. Seals
DNA ligase
Immunohistochemical stains vimentin
Osteogenesis Imperfecta
nucleotide
25. Site where RNA polymerase and multiple other transciption factors bind to DNA upstream from gene locus (AT rich upstream sequence with TATA and CAAT boxes)
promoter
Going APE
Where do introns and exons stay
tRNA aminoacylation
26. Inhibits 50S peptidyl transferase
Chloramphenicol
Heterochromatin
A- T
Cell cycle
27. Remain in G0 regenerate from stem cells
Base excision repair
DNA/RNA/Protein syntesis direction
Immunohistochemical stains vimentin
Permanent cells
28. The 5prime end (energy for the bond)
Free ribosomes
Thymine has a
Which end of the nucleotide has the triphosphate
Gag on pure gold
29. Specific endonucleases release the oligonucleotide containing damaged bases. DNA polymerase and logase fill and resealt eh gap
Nucleotide excision repair
Xeroderma pigmentosum
White codon is at the 3 prime end of a tRNA
Higher the cholesterol or long saturated fatty acid content
30. Contain the actual genetic information coding for protein
the tRNA- amino acid bond
Hydroxylation of which amino acids are attached to Glycine to form collagen
Exons
Replication fork
31. Cleave terminal regions of procollagen to transform into insoluable tropocolagen
Steps in splicing
Functional organization of the gene
Outside the cell what processing must be done in procolalgen
Oubain
32. Create a nick in the helix to relieve supercoils created during replication
Silencer
DNA topoisomerases
Common amino acids in elastin
Hydroxylation of which amino acids are attached to Glycine to form collagen
33. Site where negative regulators bind
Silencer
Alternate splicing
What does the hydroxylation of proline and lysine require
tRNA aminoacylation
34. Inhibits dihydrofolate reductase down thymine
Aminoacylt - tRNA synthetase
DNA pol I
hydroxyurea
Methotrexate
35. Inhibits bacterials dihydrofolate reducatese down thymine
Initial transcript without processing is known as
trimethoprim
Proofreading function in eukaryotic RNA
Base excision repair
36. Neuroglia
Primase
GFAP
Double Strand DNA repair
Proofreading function in eukaryotic RNA
37. Ketone
Guanine has a
Promoter mutation
Common amino acids in elastin
Type IV collagen is an important structural component of...
38. One codon AUG
Heterochromatin
What does the hydroxylation of proline and lysine require
methionine is only encoded by
Cyclin - CDK
39. 4 high enrgy bonds
Glycosolation
silent mutation
Enhancers and silencer may be located_____
Total energy expenditure requirement for translocation
40. Antigout - acts on mts
Cholchicine
Elastin
5FU
Pyrimidines
41. Microvilli - muscle contraction - cytokinesis - adhering juntions
Functional organization of the gene
Fluoroquinolones
actin and myosin
microtubule
42. CCA AT 3 PRIME END
Protein synthesis initiation
Elongation
tRNA gripping and going places
White codon is at the 3 prime end of a tRNA
43. Antifungal - act on microtubules
Loading tRNA on to ribosome energy requirement
Griseofulvin
Methotrexate
hydroxyurea
44. Non homologous end joining
6MP
Where do introns and exons stay
Double Strand DNA repair
missense mutation
45. Unattached to any membrane; site of cytosolic and organeller prtoeins
Glycosolation
Elongation
C- G bond
Free ribosomes
46. Brings together 2 ends of DNA fragments no requirement for homology
mRNA start codons
Going APE
Type IV collagen is an important structural component of...
Non homologous end joining
47. Anit helminth - act on microtubules
Cilia structure
Immunohistochemical stains vimentin
Protein synthesis initiation
Mebendazole/thiabendazole
48. Responsible for the accuracy of amino acid selection
Elongation
transversion
aminoacyl - tRNA synthetase and binding of charged tRNA to the codon
Paclitaxil
49. G1 - S - G2 - Mitosis
Cell cycle order
transition
universal
hydroxyurea
50. Rampant - Massive - TIny rRNA is most common - then mRNA and then tRNA
C- G bond
Total energy expenditure requirement for translocation
Which is the most and least abundant type of RNA
single stranded binding proteinds
Sorry!:) No result found.
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