Shared Unit 2.4 DNA Review

Front

What type of RNA carries the DNA message out of the nucleus to the ribosomes?

Back

mRNA (messenger RNA) is responsible for carrying the genetic information from DNA to the ribosomes for protein synthesis.

Front

What is the ethical question about cloning?

Back

Can a human clone ever lead a fulfilling life?

Front

What do we call the process of turning DNA into mRNA?

Back

Transcription is the process where the DNA sequence is copied into mRNA.

Front

In a molecule of double-stranded DNA, the amount of Adenine is always equal to the amount of:

Back

Thymine. This is known as Chargaff's rule.

Front

What is the difference between cloning and recombination?

Back

Cloning decreases genetic variation while recombination increases genetic variation.

Front

What is DNA?

Back

DNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions for 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 structure of DNA?

Back

DNA is a double helix composed of two strands of nucleotides.

Front

What are the four bases of DNA?

Back

The four bases of DNA are Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is replication in the context of DNA?

Back

Replication is the process of copying DNA to produce two identical DNA molecules.