- Explain one way in which starch molecules are adapted for their function in plant cells.(2mks)
- Lactose, galactose and glucose are all reducing sugars. After the lactose has been broken down, there is a higher concentration of reducing sugar. Explain why.(1mk)
- Explain how cellulose molecules are adapted for their function in plant cells.(3mks)
- Name the bond that joins two molecules to form a disaccharide
- Scientists investigated the percentages of different types of lipids in plasma membranes from different types of cell.The scientists expressed their results as percentage of lipid in plasma membrane by mass. Explain how they would find these values.(2mks)
- Name the type of reaction catalysed by lactase (1mk)
- what is the "valve" of the oral fissure
- what is the advantage of taking someone's adult stem cells and converting them into IPSCs for the same individual
- Two proteins have the same number and type of amino acid but different tertiary structures. Explain why(2mks)
- What stem cell state are induced pluripotent stem cells similar too
- Toxoplasma abortion in ewesWhat may be the outcomes of infection?Depends on stage of gestation & infective dose
- Malformations may occur in live born cattle and sheep
- What is the purpose of the genes in the reprogramming of adult stem cells into IPSCs
- The secondary structure of a polypeptide is produced by bonds between amino acids. Describe how(2mks)
- In IPSCs reprogramming give an example of a gene used
- extrinsic muscles of the tongue alter the _____ of the tongue while intrinsic muscles alter the _____. The intrinsic tongue muscles are attached ____
- Questions to recapHow can the same pathogen cause different types of pregnancy loss?Give an example of such a pathogen in the sheep and the cow.
- What feature of a pathogen such as Mycobacterium tuberculosis could be altered by a mutation, making a vaccine ineffective?
- How are cells reprogrammed back to an earlier stage of differentiation
- In the reprogramming of IPSCs (induced pluripotent stem cells) what is used to take the genes into the cells