Shared Unit 2.4 DNA Review

Front

What process is occurring when mRNA is synthesized from a DNA template?

Back

Transcription

Front

What type of RNA carries the genetic message from the nucleus to the ribosomes?

Back

mRNA (messenger RNA)

Front

What is the difference between cloning and recombination?

Back

Cloning decreases genetic variation, while recombination increases genetic variation.

Front

What is a Codon?

Back

A sequence of 3 base pairs that corresponds to a specific amino acid.

Front

What is an ethical question regarding cloning?

Back

Can a human clone ever lead a fulfilling life?

Front

What is the role of tRNA in protein synthesis?

Back

tRNA (transfer RNA) brings amino acids to the ribosome during translation.

Front

What is the function of ribosomes in the cell?

Back

Ribosomes are the sites of protein synthesis where mRNA is translated into amino acids.

Front

What is the structure of DNA?

Back

DNA is a double helix composed of nucleotides, which include a sugar, phosphate group, and nitrogenous base.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is the process of translating mRNA into a protein called?

Back

Translation.