AS Biology 9700 | Oct/Nov 2024 Paper 12 | Past Paper Solution | Part 2 |
Автор: Biology by HR
Загружено: 2025-01-30
Просмотров: 803
Описание:
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
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