EXAM 1 BMCC- GENETICS BIO 425
QUESTIONS AND ANSWERS (100% PASS)
What is transcription? - ✔️✔️step from DNA to RNA
What is translation? - ✔️✔️step from mRNA to a protein
What is the function of transcription? - ✔️✔️copying genetic instructions from DNA to RNA
What is the purpose of translation? - ✔️✔️to make protein
What does DNA stand for? - ✔️✔️Deoxyribonucleic acid
What does RNA stand for? - ✔️✔️Ribonucleic acid
What is a chromosome? - ✔️✔️A piece of DNA that contains part of the cells total genetic
information
What is a gene? - ✔️✔️A section of DNA
What is the relationship between a protein and a gene? - ✔️✔️Genes are DNA sequences instruct
cells to produce particular proteins, which in turn determine traits
What is a triplet? - ✔️✔️3 bases in DNA
What is a codon? - ✔️✔️a sequence of three nucleotides that together form a unit of genetic code
in a DNA or RNA molecule.
Name the 4 nitrogenous bases that are present in the DNA molecule. - ✔️✔️Thymine, Adenine,
Guanine, and Cytosine
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