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What Effect Does Age Have on the Breathing Rate and Heart Rate During Exercise?

Introduction: The experiment is based upon the idea that heart and breathing rate changes after exercise to a certain extent in different ages. During exercise an individual needs to obtain…

Overview of Cells & Energy (Revision)

Robert Hooke(1665): Published first book on cells. Discovered cells when looking at cork under a microscope. Discovered cell structure of plants. Anton von Leewenhoek (1650-1700):Dutch. First observed protists. With a…

Investigating Transport Across Membranes

Introduction The cell membrane is the boundary that separates the internal parts of the cell from surroundings. Substances that move in or out of the cells must pass across the…

To Investigate the Effect of Strenuous Physical Activities On the Heart Rate

To investigate the effect of strenuous physical activities such as badminton and bodybuilding on the heart rate of subject compared to stationary position. Research Question “What effect does different physical…

Investigating the Effects of Plant Density on Growth Rate

1. Design – Part A 1.1 Defining the Problem Focus / Research Question How does plant density affect the growth of radish seeds? Hypothesis If the population of plants in…

How Does Cooking Affect the Amount of Vitamin C in Lemon Juice?

Hypothesis: The longer the lemon juice is cooked up to the boiling temperature, the lower the concentration of vitamin C. Variables: 1. Independent: Type of lemon juice samples [fresh lemon…

Ecology Observation Report

Figure 1: Location of Tree “X” 1. The tree that I’ve chosen to observe from March to June is located between the playground and the Main Hall, to the right…

Colors of Light (Wavelengths) Absorbed By Green Plants

Table 1: The absorbance of light for mustard and spinach in different wavelength. Qualitative data: Mustard: 1. The green mustard was put into the boiling water and then it become…

Temperature On The Movement Of Rigment Through The Cell Membranes

Figure 1 showing cell membrane structure From the graph it is evident that as the temperature increases, the % transmission of light through the solution(distilled water and anthocyanin) decreases.Therefore it…

Rate of Activity of the Enzyme Catalase in Hydrogen Peroxide Experiment

In this study of increasing target temperature of enzyme catalase coated onto paper filter disks reacting through 3% hydrogen peroxide solution in culture tubes, there was an increase in amount…

Biodiversity Investigation

Defining the Problem and Selecting Variables Research Question: How does the plant biodiversity of the terrestrial ecosystem between the shore of the Links pond and 10 feet away from the…

Biology – HIV Prevention and Transmission

Viruses are unique in that they have been classified as both living and nonliving, the reason for this is that they cannot reproduce without a host cell. Also they are…

Should Animals Have the Same Rights as Humans?

Throughout human history animals have had a role to play. They have been hunted for food and parts of their bodies have been used to clothe us, shelter us and…

Biology Investigation – Comparing the Populations of Two Plant Species in Same Area

Introduction: Mimosa Pudica or also called sensitive plant or touch-me-not, is a prostrate to semi erect herb, 0.3 to 0.8 m tall, often forming a small compact bush about 0.6…

The Variation of Rate of Enzymatic Activity of Bos Primigenius Liver With Respect to Surface Area

Introduction In this lab the rate of enzymatic activity will be tested by pouring hydrogen peroxide over cow liver. A reaction will take place its products are water and oxygen….

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