PHS: Edexcel sB3e Genetic Variants and Phenotypes

What do we call all a complete set of all of the DNA that an organism has?

• genome
• chromosome
• nucleus
• genes

Which of these is not a complimentary base pair?

• A-C
• A-T
• G-C
• T-A

What do we call the stage of protein synthesis in the nucleus, in which DNA bases are used to make a strand of RNA?

• transcription
• translation
• translocation
• transpiration

In which cell organelle does translation take place?

• ribsomes
• nucleus
• mitochondria
• cell membrane

What is a "codon"?

• a triplet of bases
• a pair of bases
• the proper name for a gene
• a complimentary strand of DNA

What do we call a change in the sequence of bases in a gene?

• mutation
• modification
• transformation
• transfiguration

What do we call different forms of the same gene?

• alleles
• isotopes
• variants
• versions

What would be the complimentary strand to this piece of DNA: ATG GTG CAT CTG ACT

• TAC CAC GTA GAC TGA
• TAC CAC GTA TGA GAC
• GTA GAC TGA TAC CAC
• TAC GAC TGA CAC GTA

Which amino acid does the mRNA codon UUG code for?

• Leucine
• Proline
• Arginine
• Serine

Which amino acid does the mRNA codon GAC code for?

• Aspartic acid
• Glutamic acid
• Histidine
• Tyrosine