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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.
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study here
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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. Muscle
Alports syndrome
Termination
desmin
Cell cycle
2. Faulty collagen synthesis causing 1) hyperextensible skin 2) tendency to bleed 3) hypermobile joints
Ehlers Danlos
Chloramphenicol
Aminoglycosides
mRNA is syntehsized in which direction?
3. One codon AUG
Protein synthesis initiation
Immunohistochemical stains vimentin
methionine is only encoded by
Stable (quiescent)
4. Cleave terminal regions of procollagen to transform into insoluable tropocolagen
unambiguous
Covalent alterations
Methotrexate
Outside the cell what processing must be done in procolalgen
5. In the nucleus after transcitpion and only processed RNA is transporte out of the nucleus
RNA processing in eukaryotes occurs
Tropocollagen cross links between_____ to form____
C- G bond
transversion
6. Brings together 2 ends of DNA fragments no requirement for homology
Non homologous end joining
microtubule
Cilia structure
Cell cycle
7. Attachment of ubiquitin to defective proteinds to tag them for breakdown
transition
Cilia structure
Proteosomal degradation
Which is the most and least abundant type of RNA
8. AD and AR- associated iwth joint dislocation - berry aneurysms - organ rupture
Steps in splicing
Associations of Ehlers Danlos
Post - translational modifications
DNA ligase
9. Completed protein is released from ribosme through simple hydrolosis and dissociates
Termination
Protein synthesis is in which direction
Nucleotide excision repair
Gag on pure gold
10. Cylindrical structure composed of helical array of plymerized dimers of alpha and beta tubulin - flagella - cilia - mitotic spindle - grows slowly collapses quickly
Griseofulvin
DNA ligase
microtubule
desmin
11. Proline - glycine
What ties teh nucleosome together
Post - translational modifications
Common amino acids in elastin
promoter
12. ATP ase that links peripheral 9 doublets and causes bending of cilium by differential sliding of doublets
5FU
Osteogenesis Imperfecta
Axonemal dyenin
What ties teh nucleosome together
13. Stretch of DNA that alters gene expression by binding transcription factors
6MP
Elastase is inhibited by
Collagedn synthesis where?
Enhancer
14. Anterograde to microtubule
Labile
step two of RNA processing
kinesin
Kartageners syndrome
15. Must be both activated and inactivated for cell cycle to progress
promoter
Cyclin - CDK
Guanine has a
Paclitaxil
16. Non homologous end joining
Elastin
kinesin
Double Strand DNA repair
Deamination of cytosine makes
17. The N to C
Protein synthesis is in which direction
Type IV collagen is an important structural component of...
unambiguous
Proteosomal degradation
18. A site - incoming aminoacyl tRNA - Psite accomodates growing Peptide - E site holds EmplytRNA as it exits
Single Strand DNA Repair types
In eukaryotes the starting amino acid is...
Going APE
Primase
19. Poly adenylation
Hereditary non polyposis colorectal cancer
microtubule
step two of RNA processing
Common amino acids in elastin
20. Unmethylated - newly synthesized string is recognized - mismatched nucleotides are removed and the gap is filled and resealed
Mismatch repair
Eukaroytes
Order of mitosis
Associations of Ehlers Danlos
21. Methyl THYmine has a meTHYl
degenerate or redundant
DNA topoisomerases
Thymine has a
The only histone not on the core
22. You glyucosolate hte pro - alpha chain lysine resudens and form procollagen (triple helix of alpha chains)
Smooth ER
Glycosolation
Replication fork
Functional organization of the gene
23. Seals
Eukaroytes
DNA ligase
universal
C- G bond
24. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes
Step Three of RNA processing
Cell cycle order
Gag on pure gold
Stable (quiescent)
25. Inhibits bacterials dihydrofolate reducatese down thymine
Proteosomal degradation
trimethoprim
Prokaryotes
Xeroderma pigmentosum
26. HS1 - HSB - H2 - H4
Going APE
frame shift
the tRNA- amino acid bond
histone octamer names
27. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end
degenerate or redundant
tRNA Structure
White codon is at the 3 prime end of a tRNA
Functional organization of the gene
28. 5 prime to 3 prime
unambiguous
mRNA is syntehsized in which direction?
Termination
nonsense
29. CCA AT 3 PRIME END
polyadenylation does/does not require a template
White codon is at the 3 prime end of a tRNA
Elastin
Axonemal dyenin
30. Tansport cellular cargo toward opposite ends of microtubule tracks
Molecular motor protiesn
intermediate filaments
polyadenylation does/does not require a template
Silencer
31. Nucleotide excision repair - Base Excision repair - Mismath repair
tRNA activation
Single Strand DNA Repair types
chromatin structure
missense mutation
32. Phosphorylation - glycosloation - hyderoxylation
Protein synthesis is in which direction
Exons
Covalent alterations
Chediak Higashi syndrome
33. Cyclin depndent kinases; consituative and inactive
Functional organization of the gene
dyenin
Purines
CDKs
34. 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)
Immunohistochemical stains vimentin
intermediate filaments
promoter
transversion
35. Epithelial cells
RNA polymerases in eukaryotes
tRNA
Chediak Higashi syndrome
cytokeratin
36. Splicing out of introns
microtubule
Cell cycle order
GFAP
Step Three of RNA processing
37. Change resulting in early stop codon
Outside the cell what processing must be done in procolalgen
Neurofilaments
nonsense
Common amino acids in elastin
38. Prevents stranges from reannealing
Aminoglycosides
single stranded binding proteinds
What does the hydroxylation of proline and lysine require
Primase
39. 1P (blocked by tetracycline)
Plasma membrane composition
Translocation
Introns
Loading tRNA on to ribosome energy requirement
40. More than 1 codon may code for the same amino acid
degenerate or redundant
DNA pol III
Cilia structure
universal
41. The 5prime end (energy for the bond)
Which end of the nucleotide has the triphosphate
A- T
Covalent alterations
tRNA activation
42. Genetic code is conserved throughout evolution
AUG codes For what in prokaryotes
universal
Neurofilaments
tRNA gripping and going places
43. 3 H bonds
DNA pol I
C- G bond
Total energy expenditure requirement for translocation
Elongation
44. Greater melting temperature lower fluidity
transition
Which end of a growing DNA strand is the target
Translocation
Higher the cholesterol or long saturated fatty acid content
45. Microtubule polymerization defect resulting in lowered phagocytosis. results in recurrent pyogenic infections - partial albinism and peripheral neuropathy
Introns
Chediak Higashi syndrome
mRNA stop codons
helicase
46. Less condensed - transciptionally active=eu truly transcobed
Plasma membrane composition
Osteogenesis Imperfecta
Euchromatin
Which end of a growing DNA strand is the target
47. Methionine - which may be removed before translation is completed
Rough ER
Tumor Suppressors
In eukaryotes the starting amino acid is...
Elastin
48. Microvilli - muscle contraction - cytokinesis - adhering juntions
What ties teh nucleosome together
actin and myosin
dyenin
Tumor Suppressors
49. Inhibits ribonucleotide reductase
Prokaryote RNA pol
Single Strand DNA Repair types
GFAP
hydroxyurea
50. Makes an RNA primer on which DNA polymerase II can initiate replication
White codon is at the 3 prime end of a tRNA
Elastin
Primase
Excocytosis of collagen
Sorry!:) No result found.
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