Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy stored in glucose molecules. This process involves the absorption of carbon dioxide and water, which are then converted into glucose and oxygen with the help of chlorophyll and other enzymes. Photosynthesis is crucial for the survival of plants and other organisms that depend on them for food and oxygen. **

Photosynthesis occurs during the daytime when there is sunlight available. This is because sunlight is the energy source that drives the process of photosynthesis. During photosynthesis, plants use sunlight, carbon dioxide, and water to produce glucose and oxygen. This process is essential for the survival of plants and is the foundation of the food chain, as it provides energy for all living organisms. **

No, humans cannot perform photosynthesis. Photosynthesis is a process carried out by plants, algae, and some bacteria, where they convert sunlight into energy to produce their own food. Humans do not have the necessary organelles, such as chloroplasts, to carry out photosynthesis. Instead, humans obtain energy by consuming food and breaking it down through cellular respiration. **

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy, carbon dioxide, and water into glucose and oxygen. It takes place in the chloroplasts of plant cells and involves two main stages: the light-dependent reactions and the light-independent reactions (Calvin cycle). During the light-dependent reactions, light energy is used to split water molecules and produce ATP and NADPH. These energy carriers are then used in the Calvin cycle to convert carbon dioxide into glucose. Overall, photosynthesis is a crucial process that provides energy for plants and produces oxygen as a byproduct. **

Yes, photosynthesis is a fundamental process that allows plants, algae, and some bacteria to convert light energy into chemical energy in the form of glucose. This process involves the absorption of light by chlorophyll, which then drives a series of chemical reactions that ultimately produce glucose and release oxygen as a byproduct. Photosynthesis is essential for the survival of most life on Earth, as it provides the energy and oxygen necessary for the functioning of ecosystems. Without photosynthesis, the Earth's atmosphere would lack oxygen and the food web would collapse. **

The calorie expenditure for road cycling and mountain biking can vary based on factors such as intensity, terrain, and duration. Generally, road cycling on flat terrain at a moderate pace can burn around 400-600 calories per hour, while mountain biking on varied terrain with hills and obstacles can burn around 500-800 calories per hour. The higher calorie expenditure in mountain biking is due to the increased effort required to navigate the challenging terrain and obstacles. Overall, mountain biking tends to result in a higher calorie expenditure compared to road cycling. **

No, not every plant performs photosynthesis. While the majority of plants are autotrophic and capable of photosynthesis, there are some exceptions. For example, certain parasitic plants obtain nutrients from other plants and do not perform photosynthesis. Additionally, some plants that live in very dark environments, such as deep in the ocean or underground, may not rely solely on photosynthesis for their energy needs. **

Photosynthesis needs light in order to occur. Specifically, it requires visible light, which is the portion of the electromagnetic spectrum that humans can see. This light energy is absorbed by chlorophyll and other pigments in plant cells, which then drives the process of photosynthesis. **