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. Nucleic acids are deleted or inserted into the genome sequence (lethal)
Bacterial Genome
Operator Gene
Frameshift Mutation
Regulator Gene
2. 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
3. Cell burst
Lyse
P-site
Synonyms
Translocation
4. 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
Binary fission
Punnet Square Diagram
Monocistronic
Crosses
5. 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
Lagging Strand
Autosomes
Gene Mutation
Synonyms
6. DNA language must be translated by mRNA in such a way as to produce the 20 words in the amino acid language
Anticodon
Mutations
Operator Gene
Triplet Code
7. Deoxyribonucleic acid -contains information coded in the sequence of its base pairs - provding the cell with a blueprint for protein synthesis -regulate all life functions -has the ability to self replicate -basis of heredity -mutable
RNA
Frameshift Mutation
DNA
Polypeptide Synthesis
8. Cytosine and thymine
Frameshift Mutation
Aminoacyl-tRNA synthetase
Varions
Pyrimidines
9. Consists of structural genes
Complementary Base-Pairing
Autosomes
Operon
Lagging Strand
10. 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
Inducer-Repressor Complex
Transcription
Transformation
Mutagenic Agents
11. Genetic makeup of an individual
Ribosomes
Ribosomal RNA (rRNA)
Genotype
Crosses
12. Progeny generations
Codominance
Antibody resistance
Filial (F generations)
Sex Linked
13. Developed the basic principles of genetics through his experiments with the garden pea
Conjugation
Ribosomal RNA (rRNA)
Mendelian Genetics
Episomes
14. Adenine and guanine
Okazaki fragments
Plasmid
Heterozygous
Purines
15. Only one trait is being studied in this particular mating
Silent Mutation
Recombination
Parental (P Generation)
Monohybrid Cross
16. 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
Messenger mRNA
Incomplete Dominance
Triplet Code
17. Short segments from lagging strand
Okazaki fragments
Recessive Allele
DNA Replication
Heterozygous
18. Initiation - elongation - and termination
Bacterial Genome
Lysogenic Cycle
Lytic Cycle
Polypeptide Synthesis
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
Lysogenic Cycle
Mendel's First Law: Law of Segregation (Four Principles)
Drosophila Melanogaster
Ribosomal RNA (rRNA)
20. Binds to the incoming aminoacyl-tRNA complex (Arriving site)
tRNA Job
A-site
Plasmids
Bacterial Replication
21. 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
Translation
Genotype
Binary fission
22. 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
Non-Mendelian Inheritance Patterns
Polyribosome
Nonsense Mutation
Nucleotide
23. Occurs when linked genes are separated
Binary fission
Ribosomes
Recombination
Polypeptide Synthesis
24. Each new daughter helix contains an intact strand from the parent helix and a newly synthesized strand
Homozygous
tRNA Job
Semiconservative
Mendel's First Law: Law of Segregation (Four Principles)
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
Inducible Systems
Testcross
Backcross
Sex Linked Recessives
26. Occurs when fragments of the bacterial chromosome accidentally become packaged into viral progeny produced during a viral infection
Homozygous
Transformation
Codominance
Transduction
27. Location of genes on DNA
Homozygous
Bacterial Replication
Chromosomes
Lagging Strand
28. 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
Mendel's Second Law: Law of Independent Assortment
Filial (F generations)
Anticodon
Genetic Code
29. Can often affect the expression of a gene -interaction betwen the enironment and the genotype produces the phenotype
Operator Gene
Mendel's Law of Dominance
Environmental Factors
Non-Mendelian Inheritance Patterns
30. Base sequence of mRNA is translated as a series of triplets
Codons
Regulator Gene
Lagging Strand
Transfer RNA (tRNA)
31. Hydrogen bonds form between the mRNA codon in the A site and its complementary anticodon on the incoming aminoacyl-tRNA complex
Ribosomal RNA (rRNA)
Elongation
Antibody resistance
Autosomes
32. Plasmids that are capable of integration into the bacterial genome
Filial (F generations)
Dominant Allele
Chromosomes
Episomes
33. 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
34. Regulation of gene expression and enables prokaryotes to control their metabolism
Gene
Transcription
Incomplete Dominance
Translation
35. Structural component of ribsomes and is the most abundant of all RNA types -synthesized in the nucleolus
Ribosomal RNA (rRNA)
Dihybrid Cross
Varions
Mendel's Law of Dominance
36. The sequence of nontranscribable DNA that is the repressor binding site
Operator Gene
Alleles
Anticodon
Monocistronic
37. Self replication ensures that its coded sequence will be passed on to successive generations
Heredity
Gene
Mutations
Transduction
38. (AUG) ribosome scans the mRNA until it bonds to this (methionine) and UAC on anticodon of tRNA
Heterozygous
Start Codon
Bacterial Replication
Gene
39. Small circular rings of DNA which contain accessory genes
Leading Strand
Lytic Cycle
Plasmids
P-site
40. 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
Synonyms
Conjugation
Translation
Transduction
41. Chromosome fragment
Purines
Nucleotide
DNA
Plasmid
42. Nucleic acid is replaced by another nucleic acid
Ribosomal RNA (rRNA)
Point Mutation
Transcription
Regulator Gene
43. If the bacterioophage does not lyse its host cell - it becomes integrated into the bacterial genome in a harmless form - lying dorant for one or more generations. the virus mays tay integrated indefinitely - replicating along with the bacterial gneom
Silent Mutation
A-site
Lysogenic Cycle
Operator Gene
44. 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
Recessive Allele
RNA
Binary fission
Mendel's Second Law: Law of Independent Assortment
45. Double stranded DNA molecule unwinds and separates into two single strands
RNA
Recessive Allele
DNA Replication
Gene Mutation
46. The study of how traits are inherited from one generation to the next
DNA
Genetics
Autosomes
Point Mutation
47. Silent allele -usually assigned capital letters
Purines
Triplet Code
Antibody resistance
Recessive Allele
48. Complementary to one of the mRNA codons
Anticodon
Punnet Square Diagram
Purines
Environmental Factors
49. Degeneracy/redundancy of the genetic code since there are 64 different codons and only 20 amino acids
Testcross
Episomes
Synonyms
tRNA Job
50. May occur spontaneously or be induced by environmental factors
Synonyms
Chromosomal Breakage
Operator Gene
Transcription