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Questions and Answers

What is the primary function of genetic recombination?

To decrease genetic diversity and adaptability

To increase genetic diversity and adaptability (correct)

To maintain a constant genome size

To produce haploid gametes

Which of the following is the correct sequence of the central dogma of life?

DNA → RNA → Protein (correct)

DNA → Protein → RNA

RNA → DNA → Protein

Protein → RNA → DNA

What is the primary role of proteins in the relationship between genotype and phenotype?

Proteins act as intermediaries between the genotype and the phenotype (correct)

Proteins have no role in the relationship between genotype and phenotype

Proteins are the primary determinants of the phenotype

Proteins are the physical manifestation of the genotype

What is the main difference between meiosis and mitosis?

Meiosis produces haploid cells, while mitosis produces diploid cells (A) Signup and view all the answers

Which of the following RNA polymerases is responsible for transcribing protein-coding genes in eukaryotic cells?

RNA polymerase II (D) Signup and view all the answers

What is the purpose of differential gene expression?

To allow the production of a variety of proteins from the same genome (C) Signup and view all the answers

Where does translation occur?

Cytoplasm (B) Signup and view all the answers

What is responsible for the overall structure and catalysis of protein synthesis in ribosomes?

rRNA (C) Signup and view all the answers

What is the function of tRNA in translation?

Translates codons to amino acids (C) Signup and view all the answers

Which site in the ribosome holds the tRNA linked to the growing polypeptide chain?

Holding site (P site) (D) Signup and view all the answers

What is the function of mRNA in translation?

Interacts with ribosomes (D) Signup and view all the answers

What role does base pairing play in translation?

Allows mRNA and tRNA interaction (C) Signup and view all the answers

What is the correct order of steps in transcription?

Initiation, elongation, termination, RNA processing (C) Signup and view all the answers

Which of the following is NOT a type of RNA?

dRNA (C) Signup and view all the answers

What is the primary function of tRNA?

To serve as adaptors between mRNA and amino acids (B) Signup and view all the answers