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Questions and Answers
What is the primary function of DNA variations in relation to behavior?
What is the primary function of DNA variations in relation to behavior?
- DNA variations code for behavior directly
- DNA variations have no effect on behavior
- DNA variations create differences in physiological systems that can affect behavior (correct)
- DNA variations are not related to behavior
What is the definition of a codon?
What is the definition of a codon?
- The synthesis of an RNA molecule from DNA in the cell nucleus
- The assembly of amino acids into peptide chains on the basis of information encoded in messenger RNA
- A sequence of three bases that codes for a particular amino acid or the end of a transcribed sequence (correct)
- A pair of chromosomes
Where does translation occur?
Where does translation occur?
- On ribosomes in the cell cytoplasm (correct)
- In the cell membrane
- In the cell nucleus
- In the chromosomes
What did Mendel assume about the inheritance of genes?
What did Mendel assume about the inheritance of genes?
What is the significance of genes being close together on chromosomes?
What is the significance of genes being close together on chromosomes?
How many pairs of chromosomes do humans have?
How many pairs of chromosomes do humans have?
What is the difference between the sex chromosomes and the other chromosomes?
What is the difference between the sex chromosomes and the other chromosomes?
What is the purpose of meiosis?
What is the purpose of meiosis?
What is the purpose of crossover (recombination) during meiosis?
What is the purpose of crossover (recombination) during meiosis?
What is the main difference between mitosis and meiosis?
What is the main difference between mitosis and meiosis?
What is the main difference between DNA and RNA?
What is the main difference between DNA and RNA?
Which type of mutation could lead to a silent mutation?
Which type of mutation could lead to a silent mutation?
What is the primary function of non-coding RNA molecules?
What is the primary function of non-coding RNA molecules?
Which type of RNA is involved in carrying amino acids to the ribosome during protein synthesis?
Which type of RNA is involved in carrying amino acids to the ribosome during protein synthesis?
What is the process that removes introns and joins exons in RNA processing called?
What is the process that removes introns and joins exons in RNA processing called?
What does alternative splicing refer to in molecular biology?
What does alternative splicing refer to in molecular biology?
Which type of molecule contains chemical marks that regulate gene expression?
Which type of molecule contains chemical marks that regulate gene expression?
What would be the most likely consequence if there were no introns in the DNA sequence?
What would be the most likely consequence if there were no introns in the DNA sequence?
Why are DNA molecules considered more stable compared to RNA molecules?
Why are DNA molecules considered more stable compared to RNA molecules?
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