Biology 9700/23 May June 2017 | Cambridge AS Level Past Papers With Mark Scheme
1. Describing closed double circulation systems in mammals, explaining blood flow sequence through major vessels.
2. Measuring magnification of electron micrographs and identifying organelles in plant cells and viruses.
3. Analyzing the impact of TB vaccines and antibiotics on infection and mortality rates; high TB death rates in HIV+ populations.
4. Peptide bond formation between amino acids; functions of glycoproteins in cell membranes.
5. DNA replication mechanisms; mutation impacts on tumorigenesis; comparing transition and transversion mutation events.

باز نشر محتواها در فضای مجازی، ممنوع است.