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Photosynthesis
This category is for questions about the chemical process in which autotrophic organisms use sunlight, carbon dioxide and water to make glucose, water and oxygen. This process is vital to life and is of great importance in biology.
6,415 Questions
How are some organisms able to survive without sunlight and photosynthesis-?
Some organisms have adapted to their environment through evolution. These species went through slow changes so that they could survive where they are. In some cases, the environment changed around them slowly and they went through changes. This is what happened to many species in the deeper regions of the ocean.
Does the rate of photosynthesis depend on the duration of light?
Low light intensity lowers the rate of photosynthesis, Normal sunlight is good for a normal rate of photosynthesis, Very high intensity bleaches (destruction) the chlorophyll
How can a chloroplast generate enough ATP to support the needs of the calvin cycle?
Chloroplasts generate ATP through the process of photophosphorylation, where light energy is used to phosphorylate ADP to ATP. This ATP produced during the light reactions is then used to support the energy needs of the Calvin cycle, which is responsible for converting carbon dioxide into sugars. The ATP and NADPH generated in the light reactions provide the necessary energy and reducing power for the Calvin cycle to create carbohydrates.
How do tulips and daffodills began their life cycels?
First Stage
The tulip bulbs are planted from mid-September to mid-November. During this period, the soil is moist. This fosters the growth of the bulb under the ground. In the first cycle of growth, the roots start growing from the bulb to form a strong root system. If you have planted the bulbs in the month of October, you can expect a strong root system by December.
Second Stage
When the snow-covered soil begins to thaw towards the end of winter, you can see a healthy green shoot coming out from a tulip bulb. By early or mid April, the tulips would start to bloom. The flowering season continues till mid-May. During the flowering season, the leaves of the tulips develop.
Third/Final Stage
The foliage plays an important role in the life cycle of tulips. The leaves should never be cut, as they are responsible for the process of photosynthesis. The food derived from solar energy is stored in the form of carbohydrate in the bulbs. This food is required for the growth and the flowering process of tulips in the following year. Gradually, the leaves turn yellow and wither away. Thereafter, the bulbs enter a state of dormancy after completing the yearly cycle.
Tulips have been cultivated for nearly 500 years. There are several thousand hybrid varieties available today. They are classified into 15 classes on the basis of the season of bloom, parentage, and various floral characteristics. There is a huge demand for tulips in the flower market around the globe.
What substance in the leaves of a plant soaks up light during photosynthesis?
Chlorophyll is the substance that reacts to light to provide the plant with energy via photosynthesis.
Temperature gauge is very low with very little heat?
Broken thermostat. Common Chrysler problem. Replace the thermostat.
What part of the plant collects the sunlight that is used for photosynthesis?
The chlorophyll is a part of the leaf cell that absorbs sunlight that is then turned into glucose through the transaction of photosynthesis
Leaf
What evidence do you have that phtotsynthesis occurs in plants?
if you extratct the oxygen of leaf disks and put them on water in a well lit environment, and they sink at first but later rise, that would prove that photosynthesis occurs in plants because oxygen is a product of photosynthesis abd would help the disks float
Place where dark reactions occur?
Dark reactions, also known as the Calvin cycle, occur in the stroma of the chloroplasts in plant cells. This process involves the conversion of carbon dioxide into glucose using ATP and NADPH generated during the light reactions.
Is photosynthesis a vertebrate?
No, photosynthesis is not a vertebrate. Vertebrates are animals. Photosynthesis is a process used by plants, algae, and cyanobacteria to convert light energy into chemical energy.
Which is a product in the Calvin cycle?
One of the products in the Calvin cycle is glyceraldehyde-3-phosphate (G3P), which can be used to regenerate RuBP for further carbon fixation or can be used to produce glucose and other carbohydrates for the plant's growth and energy production.
What chemical reaction best represents the process of photosynthesis?
The chemical reaction that best represents the process of photosynthesis is:
6CO2 + 6H2O + light energy -> C6H12O6 + 6O2
This equation shows how carbon dioxide, water, and sunlight are converted into glucose and oxygen by plants during photosynthesis.
Why water is essential for the light reactions?
Photosynthesis is the conversion of carbon dioxide and water into a sugar called glucose using sunlight energy. Water is key.
How does most carbon dioxide reach the photosynthesising cells of a green leaf?
Carbon dioxide enters the leaf through small pores called stomata located primarily on the underside of the leaf. Once inside the leaf, carbon dioxide diffuses into the cells containing chloroplasts, where photosynthesis occurs. This process allows the plant to convert carbon dioxide into sugars using light energy.
What is recycled from the Calvin cycle to make ATP?
NADPH and ATP are recycled from the Calvin cycle to help drive the formation of glucose. ATP is produced through the process of cellular respiration utilizing energy obtained from the sun during the light reactions of photosynthesis.
What describes the energy conversion that takes place during photosynthesis?
Plants convert solar energy to chemical energy.
What is the process where pants use chlorophyll to make food?
Photsynthesis is the process in which plants use chlorophyll to make food.
Why do certain colors of light support photosynthesis while others do not?
The pigments involved (e.g. chlorophyll in green plants, phycoerythrin in red algae) only absorb photons of certain energies and reflect others. This is due to the elements in the pigment molecule and how they are bound.
Where does the light reaction of photosynthesis occur?
In the plant's leaves or wherever the plant has chloroplasts. More specifically, the light reactions take place on the thylakoid membranes in the chloroplasts.
The light reactions can also take place on the plasma membranes of the cells (as with cyanobacteria) or in other plastids.
