A promoter is a DNA sequence that is upstream of a gene. Promoters comprise about 35 base pair consensus sequences that are required for transcription initiation. The figure from the textbook shows the positions of the consensus sequences in a promoter: Predict and explain the possible effect of a mutation […]

Q1. Single-stranded DNA molecules are said to be anti parallel while they are aligned next to each other but oriented in opposite directions. Q2. A series of enzymes catalyze the reaction X Y Z A. Product A binds to the enzyme that converts X to Y at the position remote […]

Coat color in cats is a codominant trait and is also located on the X chromosome. Cats can be black, yellow or calico. A calico cat has black and yellow splotches. In order to be calico, the cat must have an allele for the black color and an allele for […]

Born global firms are those that undertake early and substantial internationalization. Despite the scarceresources typical of most small businesses, born globals usually internationalize within three years of theirfounding and may export to twenty or more countries, generating over 25 percent of their sales from abroad.List and explain at least three […]