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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: heritable change in nucleotide sequence or chromosome structure?
A. DNA replication
B. Mutation
C. Heterozygous
D. Gene
Correct Answer: B
The genetic term/process matching 'heritable change in nucleotide sequence or chromosome structure' is Mutation.
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Cell BiologyDNA and Genetics
Which definition is correctly associated with Mutation?
A. heritable change in nucleotide sequence or chromosome structure
B. genetic constitution at one or more loci
C. three-nucleotide sequence in tRNA complementary to an mRNA codon
D. produces haploid gametes and increases genetic variation
Correct Answer: A
Mutation is associated with heritable change in nucleotide sequence or chromosome structure.
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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: random orientation of homologous chromosome pairs in meiosis I?
A. Independent assortment
B. Genotype
C. Heterozygous
D. Allele
Correct Answer: A
The genetic term/process matching 'random orientation of homologous chromosome pairs in meiosis I' is Independent assortment.
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Cell BiologyDNA and Genetics
Which definition is correctly associated with Independent assortment?
A. genetic constitution at one or more loci
B. three-nucleotide sequence in tRNA complementary to an mRNA codon
C. random orientation of homologous chromosome pairs in meiosis I
D. three-nucleotide sequence in mRNA specifying an amino acid or stop
Correct Answer: C
Independent assortment is associated with random orientation of homologous chromosome pairs in meiosis I.
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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: exchanges DNA between homologous chromosomes in prophase I?
A. Homozygous
B. Crossing over
C. Mutation
D. Phenotype
Correct Answer: B
The genetic term/process matching 'exchanges DNA between homologous chromosomes in prophase I' is Crossing over.
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Cell BiologyDNA and Genetics
Which definition is correctly associated with Crossing over?
A. synthesizes RNA using DNA as template
B. synthesizes polypeptide using mRNA sequence
C. exchanges DNA between homologous chromosomes in prophase I
D. alternative version of a gene
Correct Answer: C
Crossing over is associated with exchanges DNA between homologous chromosomes in prophase I.
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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: produces haploid gametes and increases genetic variation?
A. Codon
B. Mutation
C. Meiosis
D. Genotype
Correct Answer: C
The genetic term/process matching 'produces haploid gametes and increases genetic variation' is Meiosis.
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Cell BiologyDNA and Genetics
Which definition is correctly associated with Meiosis?
A. random orientation of homologous chromosome pairs in meiosis I
B. alternative version of a gene
C. produces haploid gametes and increases genetic variation
D. having different alleles at a locus
Correct Answer: C
Meiosis is associated with produces haploid gametes and increases genetic variation.
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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: produces genetically similar daughter nuclei for growth/repair?
A. Mitosis
B. Genotype
C. Heterozygous
D. Gene
Correct Answer: A
The genetic term/process matching 'produces genetically similar daughter nuclei for growth/repair' is Mitosis.
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Cell BiologyDNA and Genetics
Which definition is correctly associated with Mitosis?
A. produces genetically similar daughter nuclei for growth/repair
B. having identical alleles at a locus
C. three-nucleotide sequence in mRNA specifying an amino acid or stop
D. observable characteristics resulting from genotype and environment
Correct Answer: A
Mitosis is associated with produces genetically similar daughter nuclei for growth/repair.
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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: synthesizes polypeptide using mRNA sequence?
A. DNA replication
B. Crossing over
C. Phenotype
D. Translation
Correct Answer: D
The genetic term/process matching 'synthesizes polypeptide using mRNA sequence' is Translation.
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Cell BiologyDNA and Genetics
Which definition is correctly associated with Translation?
A. having identical alleles at a locus
B. synthesizes polypeptide using mRNA sequence
C. three-nucleotide sequence in tRNA complementary to an mRNA codon
D. having different alleles at a locus
Correct Answer: B
Translation is associated with synthesizes polypeptide using mRNA sequence.
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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: synthesizes RNA using DNA as template?
A. Codon
B. Transcription
C. Gene
D. Genotype
Correct Answer: B
The genetic term/process matching 'synthesizes RNA using DNA as template' is Transcription.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which definition is correctly associated with Transcription?
A. exchanges DNA between homologous chromosomes in prophase I
B. three-nucleotide sequence in mRNA specifying an amino acid or stop
C. synthesizes polypeptide using mRNA sequence
D. synthesizes RNA using DNA as template
Correct Answer: D
Transcription is associated with synthesizes RNA using DNA as template.
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Cell BiologyDNA and Genetics
Which genetic term/process is best identified by the following definition: copies DNA before cell division?
A. Meiosis
B. Crossing over
C. Transcription
D. DNA replication
Correct Answer: D
The genetic term/process matching 'copies DNA before cell division' is DNA replication.
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Cell BiologyDNA and Genetics
Which definition is correctly associated with DNA replication?
A. three-nucleotide sequence in mRNA specifying an amino acid or stop
B. heritable change in nucleotide sequence or chromosome structure
C. three-nucleotide sequence in tRNA complementary to an mRNA codon
D. copies DNA before cell division
Correct Answer: D
DNA replication is associated with copies DNA before cell division.
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Cell BiologyDNA and Genetics
Which cell structure is best identified by the following principal function: maintains cell shape and supports movement and intracellular transport?
A. Nucleus
B. Peroxisome
C. Cytoskeleton
D. Nucleolus
Correct Answer: C
The cell structure matching 'maintains cell shape and supports movement and intracellular transport' is Cytoskeleton.
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Cell BiologyDNA and Genetics
Which principal function is correctly associated with Cytoskeleton?
A. oxidative reactions including breakdown of very-long-chain fatty acids
B. organizes microtubules and helps form the mitotic spindle
C. maintains cell shape and supports movement and intracellular transport
D. lipid synthesis, detoxification and calcium storage
Correct Answer: C
Cytoskeleton is associated with maintains cell shape and supports movement and intracellular transport.
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Cell BiologyDNA and Genetics
Which cell structure is best identified by the following principal function: selectively regulates movement between cell and environment?
A. Cytoskeleton
B. Lysosome
C. Plasma membrane
D. Smooth endoplasmic reticulum
Correct Answer: C
The cell structure matching 'selectively regulates movement between cell and environment' is Plasma membrane.
CSS - PMS - CCE - PCS - Everyday Science
Cell BiologyDNA and Genetics
Which principal function is correctly associated with Plasma membrane?
A. synthesizes rRNA and assembles ribosomal subunits
B. selectively regulates movement between cell and environment
C. oxidative reactions including breakdown of very-long-chain fatty acids
D. synthesizes many secreted and membrane proteins
Correct Answer: B
Plasma membrane is associated with selectively regulates movement between cell and environment.