CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
In DNA, adenine pairs with:
A. Uracil
B. Guanine
C. Cytosine
D. Thymine
Correct Answer: D
A pairs with T.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which base is present in RNA instead of thymine?
A. Uracil
B. Guanine
C. Adenine
D. Cytosine
Correct Answer: A
RNA uses uracil.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
RNA contains which sugar?
A. Deoxyribose
B. Sucrose
C. Ribose
D. Galactose
Correct Answer: C
RNA contains ribose.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
DNA contains which sugar?
A. Fructose
B. Deoxyribose
C. Ribose
D. Glucose
Correct Answer: B
DNA contains deoxyribose.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: having different alleles at a locus?
A. Heterozygous
B. Transcription
C. Translation
D. Allele
Correct Answer: A
The genetic term/process matching 'having different alleles at a locus' is Heterozygous.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Heterozygous?
A. having different alleles at a locus
B. heritable change in nucleotide sequence or chromosome structure
C. produces genetically similar daughter nuclei for growth/repair
D. synthesizes polypeptide using mRNA sequence
Correct Answer: A
Heterozygous is associated with having different alleles at a locus.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: having identical alleles at a locus?
A. Mutation
B. Homozygous
C. Independent assortment
D. Codon
Correct Answer: B
The genetic term/process matching 'having identical alleles at a locus' is Homozygous.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Homozygous?
A. DNA sequence that contributes to a functional product
B. produces genetically similar daughter nuclei for growth/repair
C. three-nucleotide sequence in mRNA specifying an amino acid or stop
D. having identical alleles at a locus
Correct Answer: D
Homozygous is associated with having identical alleles at a locus.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: observable characteristics resulting from genotype and environment?
A. Phenotype
B. Mitosis
C. Meiosis
D. Transcription
Correct Answer: A
The genetic term/process matching 'observable characteristics resulting from genotype and environment' is Phenotype.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Phenotype?
A. observable characteristics resulting from genotype and environment
B. produces haploid gametes and increases genetic variation
C. three-nucleotide sequence in tRNA complementary to an mRNA codon
D. genetic constitution at one or more loci
Correct Answer: A
Phenotype is associated with observable characteristics resulting from genotype and environment.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: genetic constitution at one or more loci?
A. Mutation
B. DNA replication
C. Genotype
D. Translation
Correct Answer: C
The genetic term/process matching 'genetic constitution at one or more loci' is Genotype.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Genotype?
A. genetic constitution at one or more loci
B. having identical alleles at a locus
C. synthesizes RNA using DNA as template
D. produces genetically similar daughter nuclei for growth/repair
Correct Answer: A
Genotype is associated with genetic constitution at one or more loci.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: alternative version of a gene?
A. Genotype
B. Transcription
C. Allele
D. DNA replication
Correct Answer: C
The genetic term/process matching 'alternative version of a gene' is Allele.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Allele?
A. observable characteristics resulting from genotype and environment
B. alternative version of a gene
C. exchanges DNA between homologous chromosomes in prophase I
D. copies DNA before cell division
Correct Answer: B
Allele is associated with alternative version of a gene.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: DNA sequence that contributes to a functional product?
A. Gene
B. Transcription
C. DNA replication
D. Anticodon
Correct Answer: A
The genetic term/process matching 'DNA sequence that contributes to a functional product' is Gene.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Gene?
A. DNA sequence that contributes to a functional product
B. three-nucleotide sequence in mRNA specifying an amino acid or stop
C. copies DNA before cell division
D. having different alleles at a locus
Correct Answer: A
Gene is associated with DNA sequence that contributes to a functional product.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: three-nucleotide sequence in tRNA complementary to an mRNA codon?
A. Meiosis
B. Anticodon
C. Mutation
D. Phenotype
Correct Answer: B
The genetic term/process matching 'three-nucleotide sequence in tRNA complementary to an mRNA codon' is Anticodon.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Anticodon?
A. DNA sequence that contributes to a functional product
B. having different alleles at a locus
C. produces haploid gametes and increases genetic variation
D. three-nucleotide sequence in tRNA complementary to an mRNA codon
Correct Answer: D
Anticodon is associated with three-nucleotide sequence in tRNA complementary to an mRNA codon.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: three-nucleotide sequence in mRNA specifying an amino acid or stop?
A. Genotype
B. Codon
C. Homozygous
D. Allele
Correct Answer: B
The genetic term/process matching 'three-nucleotide sequence in mRNA specifying an amino acid or stop' is Codon.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Codon?
A. having identical alleles at a locus
B. having different alleles at a locus
C. three-nucleotide sequence in mRNA specifying an amino acid or stop
D. synthesizes polypeptide using mRNA sequence
Correct Answer: C
Codon is associated with three-nucleotide sequence in mRNA specifying an amino acid or stop.