Factors That Affect Photosynthesis - YouTube
16/01/2018 · Category: Papers; Title: Investigating Factors that Affect the Rate of Photosynthesis in Elodea
Photosynthesis Investigate the variables which affect …
Through reading various books and web pages it was made clear that carbon dioxide is definitely one of the raw materials needed for photosynthesis, but I wanted to see whether this is actually true and if carbon dioxide is taken away completely will the plant photosynthesize at all.
The reds and purples you see in the fall are caused by anthocyanins, which are what you get when sugars combine with compounds called anthocyanidins. Many things affect the exact color produced by anthocyanins, including the pH (acidity or alkalinity) of the cell sap in the leaves. With an acid pH, anthocyanins are often red; with a more alkaline pH they turn purple-to-blue. Because anthocyanins need sugar for their creation, weather that favors photosynthesis (sugar production) is essential. Bright, sunny fall days produce the best colors. Very little photosynthesis occurs on cloudy days, and rain can actually leach the anthocyanins and carotenoids out from the leaves. Different combinations of anthocyanins and carotenoids can result in there being yellow, orange and red leaves all on the same tree at the same time. The exact color a tree produces will vary from year to year. Some people believe they can force a more brilliant red color by adding acid-forming fertilizers to the tree, especially aluminum sulfate. This method may sound like it should work, but there is no scientific evidence to support it.
Photosynthesis Lab Walkthrough — bozemanscience
Variables: The variables that might affect the rate of photosynthesis in this experiment are: Temperature: When the temperature rises so does the rate of photosynthesis; this is because as the temperature around the plant rises the enzymes controlling photosynthesis inside the chloroplasts heat up and start moving around faster, the fast moving molecules collide with other fast moving enzymes causing them to react....
So if there is a big Elodea plant the
speed that photosynthesis happens will increase as there are more
palisade cells that can be photosynthesising
I have decided to explore into how light intensity affects the rate of
photosynthesis in the elodea.
Free rate of photosynthesis Essays and Papers - …
Because we need the experiment to be a fair
one and we know from our research that temperature can affect the rate
of photosynthesis we needed to cut down the heat transferring from the
light to our experiment as much as we can.
Variables: The variables that might affect the rate of photosynthesis
in this experiment are:
Temperature: When the temperature rises so does the rate of
photosynthesis; this is because as the temperature around the plant
rises the enzymes controlling photosynthesis inside the chloroplasts
heat up and start moving around faster, the fast moving molecules
collide with other fast moving enzymes causing them to react.
Free rate of photosynthesis papers, essays, and research papers.
Photosynthesis Practical :: Papers
The factors that affect plant growth can be classified as genetic or ..
Primary Productivity & Dissolved Oxygen Lab - …
LabBench Activity Dissolved Oxygen and Aquatic Primary Productivity
Lab: Exploring the Rate of Photosynthesis - The Biology …
by Theresa Knapp Holtzclaw
Remove several leaves from around the cut end of the stem
Overall I think my experiment was successful because I found
out what it was that I wanted to find out, how does light intensity
affect the rate of photosynthesis.
A Speed Gun for Photosynthesis | NIST
more accurate results I will repeat the experiment 3 times if possible
Using my scientific knowledge and the research that I have been doing
I would predict that light intensity will affect the rate of
photosynthesis in this way: The closer the lamp is to the elodea the
stronger the light intensity will be, I know this because we have
being doing tests to measure the light intensity using specialist
Human Knowledge: Foundations and Limits
variables, or factors that must be kept the same are as follows: -
* The carbon dioxide concentration must be kept the same, because
the more CO2 that is in the air, or water, then the more that can
diffuse into the leaf, and if the plant had more CO2 then it would
be able to photosynthesise faster.
Video Clips for Biology! - Goldie's Room
6CO + 6H O = C H O + 6O The factors that effect the rate of photosynthisis are the amount of light, the amount of carbon-dioxide (CO ) and the temperature that can be used by the plant....
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