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. Daughter strand that is continuously synthesized by DNA polymerase in the 5'->3' direction
Leading Strand
Purines
Incomplete Dominance
Operon
2. 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
3. Induce mutations -include cosmic rays - X rays - UV rays - and radioactivity
Gene
Chromosomes
Mutagenic Agents
Mendelian Genetics
4. Adenine and guanine
DNA Replication
Purines
Termination Codons
Virulent
5. The sequence of nontranscribable DNA that is the repressor binding site
Operator Gene
Gene Mutation
Triplet Code
Plasmid
6. Small circular rings of DNA which contain accessory genes
Recessive Allele
Testcross
Plasmids
Mutations
7. Initiation - elongation - and termination
Polypeptide Synthesis
Transfer RNA (tRNA)
Silent Mutation
Repressible Systems
8. Genetic makeup of an individual
Purines
Lysogenic Cycle
Episomes
Genotype
9. Location of genes on DNA
Chromosomes
Mutable
Incomplete Dominance
RNA
10. 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
11. Reproduction of bacterial cells and proliferate very rapidly under favorable conditions -asexual prcoess -3 kinds (transformation - conjugation and transduction)
Lytic Cycle
Translation
Binary fission
Dihybrid Cross
12. Cytosine and thymine
Non-Mendelian Inheritance Patterns
Pyrimidines
Ribosomal RNA (rRNA)
Ribosomes
13. Can often affect the expression of a gene -interaction betwen the enironment and the genotype produces the phenotype
Environmental Factors
A-site
Transcription
Heredity
14. Progeny generations
Filial (F generations)
Aminoacyl-tRNA synthetase
Point Mutation
Lytic Cycle
15. 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
Dihybrid Cross
Polyribosome
Translocation
Aminoacyl-tRNA synthetase
16. New codon may code for a different amino acid
Frameshift Mutation
Lyse
Missense Mutation
Backcross
17. 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
Gene Mutation
Semiconservative
Repressible Systems
Heterozygous
18. Where protein synthesis occurs
Polypeptide Synthesis
Termination Codons
Ribosomes
Plasmid
19. 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
Transformation
Lysogenic Cycle
Genetic Code
DNA Replication
20. System where the repressor binds to the operator - forming a barrier that prevents RNA polymerase from transcribing the structural genes
Sex Linked Recessives
Inducible Systems
RNA
Silent Mutation
21. Can be altered under certain conditions - altering the corresponding characteristics in the organism
Codominance
Mutable
Mutagenic Agents
Dominant Allele
22. Begins at a unique origin of and proceeds in both directions simultaneously
Operator Gene
Bacterial Replication
Triplet Code
Aminoacyl-tRNA synthetase
23. Basic unit of heredity
Gene
Non-Mendelian Inheritance Patterns
Heterozygous
Lagging Strand
24. One mRNA strand codes for one polypeptide
DNA Replication
Non-Mendelian Inheritance Patterns
Anticodon
Monocistronic
25. New codon may be a stop codon
DNA Replication
Virulent
Nonsense Mutation
Phenotype
26. Occurs when fragments of the bacterial chromosome accidentally become packaged into viral progeny produced during a viral infection
Promoter gene
Transduction
Genotype
Elongation
27. Structure formed when many ribosomes simultaneously translate a single mRNA molecule
Polyribosome
Point Mutation
Synonyms
Mendel's Law of Dominance
28. 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
Start Codon
Codominance
Frameshift Mutation
Transcription
29. 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
Genotype
Pyrimidines
Drosophila Melanogaster
Incomplete Dominance
30. Individuals being crossed
Recombination
Elongation
Semiconservative
Parental (P Generation)
31. An organism with a dominant phenotype of unknown genotype (Ax) is crossed with a phenotypically recessive organism
Filial (F generations)
Ribosomal RNA (rRNA)
Plasmids
Backcross
32. Hydrogen bonds form between the mRNA codon in the A site and its complementary anticodon on the incoming aminoacyl-tRNA complex
Virulent
Translocation
Mutagenic Agents
Elongation
33. 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
Bacterial Genome
Virulent
Sex Linked Recessives
34. Base sequence of mRNA is translated as a series of triplets
Ribosomes
Codons
RNA
DNA
35. The study of how traits are inherited from one generation to the next
Genetic Code
Genetics
Phenotype
Peptide Bond
36. Physical manifestation of the genetic makeup
RNA
Non-Mendelian Inheritance Patterns
Phenotype
Polyribosome
37. Organisms that contain two copies of the same allele
Mendel's Law of Dominance
Heredity
Homozygous
Start Codon
38. DNA language must be translated by mRNA in such a way as to produce the 20 words in the amino acid language
Bacterial Genome
Conjugation
Complementary Base-Pairing
Triplet Code
39. Sugar-phosphate chains on the outside of the helix and the bases on the inside -C-G - T-A -AKA Watson Crick DNA model
Heredity
Mutable
Double-Stranded Helix
Nonsense Mutation
40. Each strand of DNA that is a template in the synthesis of two new daughter helices
Homozygous
Complementary Base-Pairing
Codons
DNA Replication
41. Brings amino acids to the ribosomes in the correct sequence for polypeptide synthesis -recognizes both the amino acid and the mRNA codon
DNA
tRNA Job
Double-Stranded Helix
Messenger mRNA
42. Pairs of homologues in sexually differentiated species
Autosomes
Lagging Strand
Plasmid
Genetics
43. 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
Translocation
Complementary Base-Pairing
Monocistronic
Crosses
44. The parents differ in two traits - as long as the genes are on separate chromosomes and assort independently during meiosis
Dihybrid Cross
tRNA Job
Bacterial Genome
Non-Mendelian Inheritance Patterns
45. Cell burst
Start Codon
Lyse
Messenger mRNA
Mutations
46. Process whereby mRNA codons are translated intoa sequence of amino acids -occurs in cytoplasm and involves tRNA - ribosomes - mRNA - amino acids - enzymes - and other proteins
Mutations
Mendelian Genetics
Transcription
Translation
47. Codes for the synthesis of a repressor molecule that binds to the operator and blocks RNA polymerase form transcribing the structural genes
DNA
Regulator Gene
Codominance
Bacterial Genome
48. Occurs when linked genes are separated
Recombination
Nondisjunction
Promoter gene
Complementary Base-Pairing
49. Consists of structural genes
Genetics
Transcription
Virulent
Operon
50. 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
Silent Mutation
Operator Gene
Autosomes
Lytic Cycle
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