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Test your basic knowledge |
First Aid: Biochemistry Molecular
Start Test
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. UGA - UAG - UAA
Elastase is inhibited by
mRNA stop codons
Collagen
microtubule
2. 5 prime to 3 prime
Promoter mutation
mRNA is syntehsized in which direction?
Total energy expenditure requirement for translocation
Primase
3. 1 RNA polymerase (multisubunite complex) makes all 3 kinds of RNA
Digoxin (cardiac glycosides)
C- G bond
Prokaryote RNA pol
6MP
4. H1 string
C- G bond
tRNA Structure
Labile
What ties teh nucleosome together
5. Inhibit DNA gyrase (specific prokaryotic topoisomerase)
Which end of the nucleotide has the triphosphate
Aminoglycosides
Fluoroquinolones
Collagen
6. Blocks denovo purine synthesis
Proteosomal degradation
purines
Stable (quiescent)
6MP
7. Be So Totatally Cool Read Books (bOne - CarTWOlage - Threeticular - Type IV under the floor)
Prokaryotes
Collagen
Steps in splicing
RNA processing in eukaryotes occurs
8. 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
actin and myosin
Sodium K ATPase
tRNA
9. Cilia - glagella - mitotic spindle - neurons - centrioles
Clindamycin
Tumor Suppressors
Aminoglycosides
microtubule
10. Substituting a pyramidine for a pyrimadine
Permanent cells
Primase
transition
Loading tRNA on to ribosome energy requirement
11. Site of secretory protiens (mucus secreting goblet cells and antibody secreting cells)
Rough ER
Ribonucleotides are synthesized first and convertec to deoxyribonuclotides by
mRNA is syntehsized in which direction?
Exons
12. Bind 30S subunit preventing attachment of aminoacyl - tRNA
Tetracyclines
Enhancer
Double Strand DNA repair
kinesin
13. 4 high enrgy bonds
Total energy expenditure requirement for translocation
nonsense
polyadenylation does/does not require a template
Tumor Suppressors
14. Retrograde to microtubules
dyenin
Elastase is inhibited by
Termination
Clindamycin
15. Anti cancer - act on microtubules
Loading tRNA on to ribosome energy requirement
Euchromatin
What ties teh nucleosome together
Vincristine/Vinblastine
16. 1P blocked by chloramphenicaol and macrolide
Translocation
Non homologous end joining
tRNA gripping and going places
unambiguous
17. Makes an RNA primer on which DNA polymerase II can initiate replication
Prokaryote RNA pol
Excocytosis of collagen
RNA polymerases in eukaryotes
Primase
18. CUT 1 ring Cut the Py
Loading tRNA on to ribosome energy requirement
Pyrimidines
Euchromatin
Permanent cells
19. Cleave terminal regions of procollagen to transform into insoluable tropocolagen
Outside the cell what processing must be done in procolalgen
single stranded binding proteinds
degenerate or redundant
Single Strand DNA Repair types
20. Particular sequnece in genomre where DNA replication begins. May be single (prokaryotes) or multiple (eukaryotes)
Base excision repair
origin of replication
desmin
Xeroderma pigmentosum
21. Different exons can be combined to make nique protiens in different times
Post - translational modifications
Alternate splicing
Step one of RNA processing
What type of collagen is most affected in Ehlers Danlos
22. Inhibit formation of the initation complex and cause misreading of mRNA
Aminoglycosides
Post - translational modifications
DNA topoisomerases
transversion
23. Trimming removal of n or c terminal propeptides from zymogens to generate mature proteinds
Stable (quiescent)
frame shift
Post - translational modifications
DNA topoisomerases
24. Must be both activated and inactivated for cell cycle to progress
Elastin is broken down by
Promoter mutation
Initial transcript without processing is known as
Cyclin - CDK
25. Bind 50S blocking translocation
Which is the most and least abundant type of RNA
Elongation
Macrolides
Example of permanent cells
26. Remain in G0 regenerate from stem cells
Guanine has a
Permanent cells
AUG codes For what in prokaryotes
Kartageners syndrome
27. Splicing out of introns
Step Three of RNA processing
nucleosid
Protein synthesis is in which direction
Step one of RNA processing
28. Epithelial cells
transversion
Collagen
cytokeratin
Euchromatin
29. Non homologous end joining
Double Strand DNA repair
microtubule
capped and tail transcript is called
Example of permanent cells
30. HS1 - HSB - H2 - H4
Silencer
histone octamer names
microtubule
Elastin is broken down by
31. Codes for formyl methionine (f - Met)
AUG codes For what in prokaryotes
Silencer
alpha amintin
Which end of the tRNA is the amino acid bound to?
32. Inhibits by binding to the potassium side
Post - translational modifications
Oubain
Gag on pure gold
Tumor Suppressors
33. Anit helminth - act on microtubules
Termination
desmin
Rough ER
Mebendazole/thiabendazole
34. Does not
Example of permanent cells
What ties teh nucleosome together
polyadenylation does/does not require a template
Thymine has a
35. CCA AT 3 PRIME END
Proteosomal degradation
Thymine has a
White codon is at the 3 prime end of a tRNA
What ties teh nucleosome together
36. AUG inAUGurates protein synthesis
Cell cycle
mRNA start codons
Digoxin (cardiac glycosides)
C- G bond
37. Neuroglia
Chloramphenicol
Heterochromatin
GFAP
Enhancer
38. Has enough energy to created the peptide bond
polyadenylation does/does not require a template
the tRNA- amino acid bond
Elongation
transversion
39. The 3 prime end
Which end of the tRNA is the amino acid bound to?
In eukaryotes the starting amino acid is...
Common amino acids in elastin
Stable (quiescent)
40. DNA And RNA synthesized in the 5-3 direction
tRNA aminoacylation
DNA/RNA/Protein syntesis direction
Going APE
Prokaryote RNA pol
41. Commonly results in dramatic decrease in amount of gene transcribed
Promoter mutation
Exons
Higher the cholesterol or long saturated fatty acid content
Silencer
42. 3 H bonds
The only histone not on the core
C- G bond
Kartageners syndrome
Replication fork
43. Asymmetric fluid bilayer - contains - cholesterol - phospholipids - sphingoplipids - glycolipids - and protiends
Plasma membrane composition
Mebendazole/thiabendazole
Prokaryotes
Cilia structure
44. Specific endonucleases release the oligonucleotide containing damaged bases. DNA polymerase and logase fill and resealt eh gap
Nucleotide excision repair
Protein synthesis initiation
Vincristine/Vinblastine
DNA pol III
45. GTP
pyrimadines
Plasma membrane composition
tRNA gripping and going places
universal
46. Stretch of DNA that alters gene expression by binding transcription factors
Termination
Enhancer
Thymine has a
single stranded binding proteinds
47. Inhibits 50S peptidyl transferase
Promoter mutation
DNA/RNA/Protein syntesis direction
Initial transcript without processing is known as
Chloramphenicol
48. Seals
promoter
Purines
Clindamycin
DNA ligase
49. One codon AUG
Translocation
pyrimadines
Steps in splicing
methionine is only encoded by
50. Unmethylated - newly synthesized string is recognized - mismatched nucleotides are removed and the gap is filled and resealed
Collagedn synthesis where?
Alternate splicing
tRNA activation
Mismatch repair