AS Biology 9700 | Oct/Nov 2024 Paper 12 | Past Paper Solution | Part 2 | @biologybyhr

For Part 1 ( Q1-Q20 )    • AS Biology 9700 | Oct/Nov 2024 Paper 12 | ...   In this video I am solving AS level biology pastpaper paper 1. Timecodes 0:00 - Intro 0:04 - q21 2:51 - q22 5:50 - q23 7:07 - q24 9:11 - q25 During the production of protein molecules, only one strand from the DNA double helix is used. Which name is given to the DNA strand that is used to produce a new protein? 10:37 - q26 The diagram shows a longitudinal section of a phloem sieve tube with a companion cell. Where are the mitochondria located for the release of energy for cotransport? 12:54 - q27 14:08 - q28 15:48 - q29 17:18 - q30 The graph shows how the volume of the left ventricle changes during one cardiac cycle. Which point on the graph represents the start of atrial systole? 18:50 - q31 19:59 - q32 21:10 - q33 22:33 - q34 The electron micrograph shows some of the airways in the gaseous exchange system of an insect and the respiring body cells that surround them. 26:13 - q35 28:14 - q36 33:30 - q37 35:09 - q38 36:41 - q39 38:22 - q40