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. Only one trait is being studied in this particular mating
Monohybrid Cross
Regulator Gene
Repressible Systems
RNA
2. Consists of structural genes
Ribosomes
Transcription
Operon
Chromosomes
3. Sugar-phosphate chains on the outside of the helix and the bases on the inside -C-G - T-A -AKA Watson Crick DNA model
Double-Stranded Helix
Nonsense Mutation
Synonyms
P-site
4. Adenine and guanine
Purines
Synonyms
Bacterial Replication
Inducer-Repressor Complex
5. Plasmids that are capable of integration into the bacterial genome
Mutable
Okazaki fragments
Episomes
Peptide Bond
6. Dominant allele is expressed in the phenotype
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
7. System where the repressor is inactive until it combines with the corepressor
Bacteriophage
Repressible Systems
Mendel's First Law: Law of Segregation (Four Principles)
Translocation
8. Each strand of DNA that is a template in the synthesis of two new daughter helices
Complementary Base-Pairing
Polypeptide Synthesis
Recessive Allele
Heredity
9. 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
Chromosomes
Autosomes
Antibody resistance
Genetic Code
10. The parents differ in two traits - as long as the genes are on separate chromosomes and assort independently during meiosis
Environmental Factors
Monohybrid Cross
Gene Mutation
Dihybrid Cross
11. Initiation - elongation - and termination
Polypeptide Synthesis
A-site
Polyribosome
Aminoacyl-tRNA synthetase
12. Complex that can't bind to the operator - thus permitting transcription
Missense Mutation
DNA Replication
Promoter gene
Inducer-Repressor Complex
13. Induce mutations -include cosmic rays - X rays - UV rays - and radioactivity
Peptide Bond
Anticodon
Mutagenic Agents
Recombination
14. Recessive genes that are carried on the X chromosome will produce the recessive phenotypes whenever they occur in men because no dominant allele is present to mask them -ex: hemophilia and color blindness
Sex Linked Recessives
Crosses
Gene Mutation
Lagging Strand
15. Ribonucleic acid -polynucleotide structurally similar to DNA except that its sugar is ribose -contains uracil instead of thymine -usually single stranded -found in both nucleus and cytoplasm -several types are involved with mRNA - tRNA - and rRNA
Double-Stranded Helix
RNA
Chromosomal Breakage
Plasmid
16. Alternative forms of genes when it exists in more than one form
Messenger mRNA
Gene Mutation
Alleles
Nonsense Mutation
17. Occurs when linked genes are separated
Translocation
Recombination
tRNA Job
Varions
18. 1) Genes exist in alternative forms. A gene controls a specific trait in an organism. 2) An organism has two alleles for each inherited trait - one inherited from each parent 3) The two alleles segregate during meiosis - resulting in gametes that car
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
19. 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
Backcross
A-site
Drosophila Melanogaster
Dominant Allele
20. Consists of a single circular chromosome located in the nucleoid region of the cell
Transformation
Heredity
Bacterial Genome
Bacteriophage
21. 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
22. Nucleic acids are deleted or inserted into the genome sequence (lethal)
Mutagenic Agents
Frameshift Mutation
Ribosomal RNA (rRNA)
Nonsense Mutation
23. Reproduction of bacterial cells and proliferate very rapidly under favorable conditions -asexual prcoess -3 kinds (transformation - conjugation and transduction)
Ribosomes
Nucleotide
Translocation
Binary fission
24. Organisms that contain two copies of the same allele
Filial (F generations)
Binary fission
Codominance
Homozygous
25. Diagnostic tool to determine the genotype of an organism -Only with a recessive phenotype can genotype be predicted with 100% accuracy -if dominant phenotype is expressed - the genotype can be either homozygous dominant or heterozygous -used to deter
Testcross
Ribosomes
Lyse
Missense Mutation
26. Occurs when fragments of the bacterial chromosome accidentally become packaged into viral progeny produced during a viral infection
Phenotype
Codominance
Transduction
Synonyms
27. Expressed allele -usually assigned capital letters
Dominant Allele
Triplet Code
Incomplete Dominance
Bacterial Replication
28. Begins at a unique origin of and proceeds in both directions simultaneously
Bacterial Replication
Lysogenic Cycle
Bacterial Genome
Synonyms
29. Hydrogen bonds form between the mRNA codon in the A site and its complementary anticodon on the incoming aminoacyl-tRNA complex
Lytic Cycle
Transfer RNA (tRNA)
Gene
Elongation
30. Daughter strand that is continuously synthesized by DNA polymerase in the 5'->3' direction
Leading Strand
Drosophila Melanogaster
Antibody resistance
DNA
31. The process by which a foreign plasmid is incorporated into the bacterial chromosome via recombination - creating new inheritable genetic combinations
Mutations
tRNA Job
Transformation
Recessive Allele
32. Can be altered under certain conditions - altering the corresponding characteristics in the organism
Mutable
DNA
Inducible Systems
Sex Linked Recessives
33. Small circular rings of DNA which contain accessory genes
Missense Mutation
A-site
Dominant Allele
Plasmids
34. Genetic makeup of an individual
Transcription
Frameshift Mutation
Monocistronic
Genotype
35. Transfer of genetic material between two bacteria that re temporarily joined
Recessive Allele
Repressible Systems
Ribosomes
Conjugation
36. Cytosine and thymine
Elongation
Plasmid
Pyrimidines
Chromosomes
37. Nitrogen bases are added - deleted - or substituted - thus crating different genes; inappropriate amino acids may be inserted into polypeptide chains - and a mutated protein may be produced
Crosses
Nucleotide
Gene Mutation
Mendel's First Law: Law of Segregation (Four Principles)
38. 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
Mutations
Nondisjunction
Heredity
Polyribosome
39. Can often affect the expression of a gene -interaction betwen the enironment and the genotype produces the phenotype
Environmental Factors
Polyribosome
Phenotype
Crosses
40. Progeny generations
Purines
Filial (F generations)
Repressible Systems
Gene Mutation
41. Phage DNA takes control of the bacterium's genetic machinery and manufactures numerous progeny - causing the cell to lyse - releasing new virions - each capable of infecting other bacteria -if initial infection takes place on a bacterial lawn - then
Inducible Systems
DNA
Lytic Cycle
Genetic Code
42. May be found on the plasmids and transferred into recipient cells along with these factors
Antibody resistance
Genotype
Start Codon
Ribosomes
43. Regulation of gene expression and enables prokaryotes to control their metabolism
Transcription
RNA
Environmental Factors
Punnet Square Diagram
44. (AUG) ribosome scans the mRNA until it bonds to this (methionine) and UAC on anticodon of tRNA
Bacterial Genome
Peptide Bond
Start Codon
Punnet Square Diagram
45. New codon may code for the same amino acid
Termination Codons
Silent Mutation
Punnet Square Diagram
Plasmids
46. Structure formed when many ribosomes simultaneously translate a single mRNA molecule
Mendel's Law of Dominance
Termination Codons
Polyribosome
Translocation
47. Where protein synthesis occurs
Ribosomes
Okazaki fragments
Polypeptide Synthesis
Punnet Square Diagram
48. The sequence of nontranscribable DNA that is the repressor binding site
Operator Gene
Genotype
Recombination
Regulator Gene
49. Physical manifestation of the genetic makeup
Environmental Factors
Phenotype
Transformation
Translation
50. Basic unit of DNA - which is composed of deoxyribose (a sugar) bonded to both a phosphate group and a nitrogenous base -bases: purines and pyrimidines
Nucleotide
Recombination
Dihybrid Cross
Complementary Base-Pairing
Sorry!:) No result found.
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