SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Three amino acids necessary for purine synthesis= glutamine - aspartate and glycine
Gag on pure gold
Xeroderma pigmentosum
Molecular motor protiesn
Collagen
2. Muscle
desmin
Step one of RNA processing
Gag on pure gold
kinesin
3. 2 H bonds greater GC content greater melting point
promoter
6MP
A- T
Associations of Ehlers Danlos
4. 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
Which end of the tRNA is the amino acid bound to?
Which is the most and least abundant type of RNA
Higher the cholesterol or long saturated fatty acid content
5. Different exons can be combined to make nique protiens in different times
Immunohistochemical stains vimentin
Associations of Ehlers Danlos
6MP
Alternate splicing
6. Condensed - transciptionally inactive HC- Highly condensed
tRNA
Which is the most and least abundant type of RNA
Single Strand DNA Repair types
Heterochromatin
7. Asymmetric fluid bilayer - contains - cholesterol - phospholipids - sphingoplipids - glycolipids - and protiends
Steps in splicing
Fluoroquinolones
Which is the most and least abundant type of RNA
Plasma membrane composition
8. Poly adenylation
Euchromatin
step two of RNA processing
Which end of the tRNA is the amino acid bound to?
Introns
9. Alpha 1 antitrypisn
Elastin is broken down by
tRNA activation
Immunohistochemical stains vimentin
Elastase is inhibited by
10. Even 40S 60S =80S
Eukaroytes
microtubule
Total energy expenditure requirement for translocation
Methotrexate
11. Type III
What type of collagen is most affected in Ehlers Danlos
Free ribosomes
Which end of the tRNA is the amino acid bound to?
5FU
12. Attachment of ubiquitin to defective proteinds to tag them for breakdown
Alternate splicing
Nucleotide excision repair
Proteosomal degradation
Axonemal dyenin
13. P53 and RB normally inhibit g1 to S progression
histone octamer names
Tumor Suppressors
Paclitaxil
Methotrexate
14. Neurons - skeletal - and cardiac muscle - RBCs
Heterochromatin
microtubule
Example of permanent cells
Immunohistochemical stains vimentin
15. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes
tRNA Structure
Purines
Stable (quiescent)
origin of replication
16. Lysine/hydroxylysine and combines to form collagen
Labile
Silencer
Tropocollagen cross links between_____ to form____
Which is the most and least abundant type of RNA
17. Remain in G0 regenerate from stem cells
Pyrimidines
Ehlers Danlos
Permanent cells
kinesin
18. Close to - far from or even within (in an intron) the gene whose expression it regulates
Cell cycle
Step one of RNA processing
Enhancers and silencer may be located_____
alpha amintin
19. Inhibit formation of the initation complex and cause misreading of mRNA
Common amino acids in elastin
C- G bond
Euchromatin
Aminoglycosides
20. Promoter - enhancer - promoter - TATA- transcription initiation site - coding region (including exons and introns) and then the AATAAA
In eukaryotes the starting amino acid is...
Functional organization of the gene
Cell cycle order
Tetracyclines
21. Makes an RNA primer on which DNA polymerase II can initiate replication
Aminoacylt - tRNA synthetase
Primase
pyrimadines
Osteogenesis Imperfecta
22. Ribonucleotide reductase
Mebendazole/thiabendazole
Ribonucleotides are synthesized first and convertec to deoxyribonuclotides by
Heterochromatin
universal
23. Hn RNA
Primase
Total energy expenditure requirement for translocation
Pyrimidines
Initial transcript without processing is known as
24. Bind 30S subunit preventing attachment of aminoacyl - tRNA
Tetracyclines
mRNA is syntehsized in which direction?
Going APE
Termination
25. RNA polymerase I makes rRNA - RNA pol II makes mRNA - RNA pol III makes tRNA
Aminoacylt - tRNA synthetase
Mebendazole/thiabendazole
RNA polymerases in eukaryotes
Cyclins
26. Binds 50S blocking translocation
step two of RNA processing
Elastin is broken down by
Clindamycin
pyrimadines
27. Never go to Go divide rapidly with short G1 bone marrow - gut epithelium - skin - hair follicles
Labile
Single Strand DNA Repair types
5FU
Rough ER
28. Specific endonucleases release the oligonucleotide containing damaged bases. DNA polymerase and logase fill and resealt eh gap
Nucleotide excision repair
Total energy expenditure requirement for translocation
AUG codes For what in prokaryotes
missense mutation
29. Non homologous end joining
Elongation
Double Strand DNA repair
DNA topoisomerases
Cell cycle
30. Capping on 5 prime end (7 methylguanosine) -
origin of replication
Type IV collagen is an important structural component of...
Step one of RNA processing
Steps in splicing
31. Brings together 2 ends of DNA fragments no requirement for homology
Non homologous end joining
Associations of Ehlers Danlos
mRNA stop codons
Axonemal dyenin
32. Neurons
mRNA stop codons
Neurofilaments
Labile
Mebendazole/thiabendazole
33. 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
What does the hydroxylation of proline and lysine require
Silencer
Single Strand DNA Repair types
34. Read froma fixed starting point as a continous sequenecs of bases
Methotrexate
Aminoglycosides
Common amino acids in elastin
commaless - non - overlapping
35. Blocks denovo purine synthesis
Smooth ER
Covalent alterations
6MP
DNA pol I
36. Microtubule polymerization defect resulting in lowered phagocytosis. results in recurrent pyogenic infections - partial albinism and peripheral neuropathy
GFAP
Post - translational modifications
Outside the cell what processing must be done in procolalgen
Chediak Higashi syndrome
37. More than 1 codon may code for the same amino acid
tRNA gripping and going places
degenerate or redundant
Elastin
Free ribosomes
38. The 3 prime hydroxyl of the nascent chain is the target
Labile
Collagen
Which end of a growing DNA strand is the target
Step one of RNA processing
39. Tansport cellular cargo toward opposite ends of microtubule tracks
Outside the cell what processing must be done in procolalgen
Molecular motor protiesn
In eukaryotes the starting amino acid is...
What ties teh nucleosome together
40. Faulty collagen synthesis causing 1) hyperextensible skin 2) tendency to bleed 3) hypermobile joints
Alports syndrome
Cilia structure
Ehlers Danlos
5FU
41. Stretch of DNA that alters gene expression by binding transcription factors
histone octamer names
polyadenylation does/does not require a template
Gag on pure gold
Enhancer
42. 9+2 arrangement of microtubules -
Tumor Suppressors
DNA/RNA/Protein syntesis direction
Cilia structure
microtubule
43. Antifungal - act on microtubules
methionine is only encoded by
5FU
Griseofulvin
Order of mitosis
44. Prevents stranges from reannealing
Cell cycle order
Total energy expenditure requirement for translocation
purines
single stranded binding proteinds
45. Inhibit DNA gyrase (specific prokaryotic topoisomerase)
Fluoroquinolones
trimethoprim
DNA pol I
Cholchicine
46. Substituting a pyramidine for a pyrimadine
Digoxin (cardiac glycosides)
transition
nucleosid
universal
47. HS1 - HSB - H2 - H4
histone octamer names
purines
Clindamycin
Xeroderma pigmentosum
48. Genetic code is conserved throughout evolution
GFAP
DNA/RNA/Protein syntesis direction
universal
Step Three of RNA processing
49. RER translation of collagen alpha chains (preprocollagen) usually Gly-X-Y
Collagedn synthesis where?
Going APE
Silencer
Covalent alterations
50. Same aa often base change in 3rd position of codon
silent mutation
transition
Oubain
capped and tail transcript is called
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests