SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
PCAT Biology Genetics
Start Test
Study First
Subjects
:
pcat
,
biology
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. The sequence of nontranscribable DNA that is the repressor binding site
Operator Gene
Transduction
Synonyms
Frameshift Mutation
2. Can often affect the expression of a gene -interaction betwen the enironment and the genotype produces the phenotype
Phenotype
Virulent
Environmental Factors
Aminoacyl-tRNA synthetase
3. On amino acid which has an active site that binds to both the amino acid and its corresponding tRNA - ctalyzing their attachment to form an aminoacyl-tRNA complex
Aminoacyl-tRNA synthetase
Dominant Allele
Autosomes
Plasmid
4. Structural component of ribsomes and is the most abundant of all RNA types -synthesized in the nucleolus
RNA
Ribosomal RNA (rRNA)
A-site
Messenger mRNA
5. Binds to the incoming aminoacyl-tRNA complex (Arriving site)
Double-Stranded Helix
Parental (P Generation)
A-site
Phenotype
6. Hydrogen bonds form between the mRNA codon in the A site and its complementary anticodon on the incoming aminoacyl-tRNA complex
Messenger mRNA
Monohybrid Cross
Lagging Strand
Elongation
7. Brings amino acids to the ribosomes in the correct sequence for polypeptide synthesis -recognizes both the amino acid and the mRNA codon
Operator Gene
Aminoacyl-tRNA synthetase
Mutable
tRNA Job
8. Genes on the same chromosome will stay together unless crossing over occurs -crossing over exchanges information between chromosomes and may break the linkage of certain patterns
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
9. Genetic makeup of an individual
Genotype
Lagging Strand
Backcross
Complementary Base-Pairing
10. Where protein synthesis occurs
Mutable
Transfer RNA (tRNA)
Triplet Code
Ribosomes
11. Progeny generations
Filial (F generations)
Translation
Gene
Polyribosome
12. Virus that infcts its host bacterium by attaching to it - boring a hole through the bacterial cell wall - and injecting its DNA while its protein coat remains attached to the cell wall and enters the host in either a lytic cycle or a lysogenic cycle
Incomplete Dominance
Bacteriophage
Genotype
Pyrimidines
13. Transfer of genetic material between two bacteria that re temporarily joined
Mutagenic Agents
Conjugation
Codominance
DNA Replication
14. Organisms that contain two copies of the same allele
Environmental Factors
Autosomes
Homozygous
Recessive Allele
15. Pairs of homologues in sexually differentiated species
Autosomes
Transfer RNA (tRNA)
Complementary Base-Pairing
Frameshift Mutation
16. The process by which a foreign plasmid is incorporated into the bacterial chromosome via recombination - creating new inheritable genetic combinations
Phenotype
Transformation
Nonsense Mutation
Messenger mRNA
17. May infect other bacteria and introduce new genetic arrangements through recombination with the new host cell's DNA
Synonyms
Varions
Semiconservative
Anticodon
18. Physical manifestation of the genetic makeup
Genotype
Phenotype
Leading Strand
Silent Mutation
19. (AUG) ribosome scans the mRNA until it bonds to this (methionine) and UAC on anticodon of tRNA
Drosophila Melanogaster
Missense Mutation
Plasmids
Start Codon
20. Consists of structural genes
Operator Gene
Operon
Bacterial Replication
Non-Mendelian Inheritance Patterns
21. Sugar-phosphate chains on the outside of the helix and the bases on the inside -C-G - T-A -AKA Watson Crick DNA model
Nonsense Mutation
Termination Codons
Binary fission
Double-Stranded Helix
22. DNA language must be translated by mRNA in such a way as to produce the 20 words in the amino acid language
Plasmids
A-site
Triplet Code
Operon
23. Double stranded DNA molecule unwinds and separates into two single strands
Silent Mutation
Termination Codons
DNA Replication
Genotype
24. System where the repressor is inactive until it combines with the corepressor
Repressible Systems
Parental (P Generation)
Pyrimidines
Varions
25. Include incomplete dominance - and codominance
Ribosomes
Non-Mendelian Inheritance Patterns
P-site
Phenotype
26. Daughter strand that is continuously synthesized by DNA polymerase in the 5'->3' direction
Filial (F generations)
Heterozygous
Bacterial Genome
Leading Strand
27. Cytosine and thymine
Genetics
Pyrimidines
Homozygous
Purines
28. Nucleic acids are deleted or inserted into the genome sequence (lethal)
Silent Mutation
Heredity
Translation
Frameshift Mutation
29. One mRNA strand codes for one polypeptide
Mutations
Monocistronic
Punnet Square Diagram
Lyse
30. Reproduction of bacterial cells and proliferate very rapidly under favorable conditions -asexual prcoess -3 kinds (transformation - conjugation and transduction)
Polypeptide Synthesis
Recombination
Start Codon
Binary fission
31. Initiation - elongation - and termination
Gene Mutation
Polypeptide Synthesis
RNA
Transduction
32. Synthesized discontinuously in the 5'->3' direction (since DNA polymerase synthesizes only in that direction) as a series Okazaki fragments
Filial (F generations)
Lagging Strand
Bacteriophage
Translocation
33. True-breeding individuals (which - if self-crossed - produce progeny only with the parental phenotype) with different traits - mated them - and statistically analyzed the inheritance of the traits in the progeny
P-site
Binary fission
Mutations
Crosses
34. Can be altered under certain conditions - altering the corresponding characteristics in the organism
Repressible Systems
Promoter gene
A-site
Mutable
35. Location of genes on DNA
Repressible Systems
Chromosomes
Translocation
Translation
36. Complex that can't bind to the operator - thus permitting transcription
Transcription
Lyse
Testcross
Inducer-Repressor Complex
37. The process whereby information coded in the base sequence of DNA is transcribed into a strand of mRNA that leaves the nucleus through nuclear pores. the remaining events of protein synthesis occur in the cytoplasm
Transcription
Frameshift Mutation
Chromosomes
Point Mutation
38. Changes in the genetic information of a cell coded in the DNA -if occured in the somatic cells - it can lead to tumors in an individual
Mutations
Inducer-Repressor Complex
Missense Mutation
Okazaki fragments
39. Either the failure of homologous chromosomes to separate properly during meiosis I or the failure of sister chromatids to separate properly during meiosis II -zygote might either have 3 copies of that chromosome (trisomy) or just a single copy (monos
Nondisjunction
Bacteriophage
Purines
Genotype
40. Fruit fly -produces often (short life cycle) -reproduces in large numbers (large sample size) -chromosomes (especially in the salivary gland) are large and easily recognizable in size and shape -its chromosomes are few (4 pairs - 2n=8) -Mutations occ
Drosophila Melanogaster
Inducer-Repressor Complex
Pyrimidines
Missense Mutation
41. Silent allele -usually assigned capital letters
tRNA Job
Recessive Allele
Lytic Cycle
Conjugation
42. Basic unit of heredity
Gene
Episomes
Punnet Square Diagram
Drosophila Melanogaster
43. Codes for the synthesis of a repressor molecule that binds to the operator and blocks RNA polymerase form transcribing the structural genes
DNA Replication
Environmental Factors
Regulator Gene
Plasmids
44. (UAA - UAG - or UGA) terminates polypeptide synthesis
Missense Mutation
Frameshift Mutation
Termination Codons
Varions
45. Cell burst
Peptide Bond
Codominance
Translation
Lyse
46. Alternative forms of genes when it exists in more than one form
Testcross
DNA Replication
Chromosomal Breakage
Alleles
47. Only one trait is being studied in this particular mating
Promoter gene
Monohybrid Cross
Non-Mendelian Inheritance Patterns
Operator Gene
48. Organisms that carry two different alleles
Bacterial Genome
Start Codon
tRNA Job
Heterozygous
49. Language of DNA consists of four letters: A -T -C -G -language of proteins consists of 20 'words': 20 amino acids -universal for almost all organism
Bacterial Replication
Genetic Code
Chromosomes
Mendel's Law of Dominance
50. Complementary to one of the mRNA codons
Sex Linked Recessives
Polypeptide Synthesis
Double-Stranded Helix
Anticodon