Biology Answers

Give one example each of di-, tri- and tetra-saccharides.?

State [3 marks] and describe [9 marks] three sustainable indigenous knowledge practices. 

The process of transferring genetic material which is released by the donor cell in which case its chromosome is divided into many fragments, which are incorporated into the recipient cell are called?

Explain the concepts of specificity, competition and saturation as they relate to membrane receptors.

Describe the significance of non-parental’s with regard to the law of independent assortment. In other words explain how the appearance of non-parental’s refutes a linkage hypothesis.

Explain the concepts of specificity, competition and saturation as they relate to cell signaling

Briefly explain how Salmonella typhi can be isolated and identified from raw milk

Discuss the differences between a food intoxication and a food infection, give three  examples of both types of food poisoning and give a typical mechanism of a food  intoxication by Staphylococcus aureus. 

show the genotypes of the first generation using a punnett sqaure. Fish is both pure bred