During a cardiac arrest, or heart attack, blood flow to a person’s heart muscles gets cut off. Why is this such a huge problem? In your response: - Identify which substances the blood carries.
- Explain why those substances are necessary for the survival of the organism.
- Identify the process used to create energy in the body.
- Identify the cell structure that does this process.

What is the relationship between absorbance of light and the rate of photosynthesis?

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.