5 Written Questions
5 Matching Questions
- Ribosomal RNA
- a Structural change to genetic material - either to a gene or to a chromosome.
- b Three types of RNA that form an important structural and functional role within the ribosome.
- c Refers to the location of cells with respect to the head end (anterior) or tail end (posterior) of the body.
- d Gene that can undergo mutations to become an oncogene, which induces tumour formation (cancer).
- e A length of messenger RNA carrying multiple ribosomes at different stages of protein synthesis.
5 Multiple Choice Questions
- Term to describe the engulfing by macrophages of vesicles from cells that have undergone apoptosis.
- The triplet code recognised by the ribosome that signals the start point for translation. Almost invariably a methionine codon (ATG).
- A sequence of three bases that codes for a single amino acid according to the genetic code.
- These direct the development of individual body segments. They are master genes that control other regulatory genes.
- Having two sets of chromosomes (eukaryotic cell or organism). Denoted by 2n.
5 True/False Questions
Neutral mutation → A mutation that even though it may change a coding sequence exerts no harmful or beneficial effects.
Hox clusters → Specific position on a chromosome, occupied by a specific gene.
Hayflick limit → Term to describe the engulfing by macrophages of vesicles from cells that have undergone apoptosis.
Bleb → Small vesicle formed that breaks away from the cell membrane during apoptosis
Genetic code → The way in which the 64 possible base triplets map onto the 20 amino acids that are used in polypeptide chains.