What is known as photoreactivation enzyme (PRE) or photolyase ?

Q: (b) Why is selectivity of photodynamic very important? How can it be treatment achieved?

A: Photodynamic treatment involves use of molecules called photosensitizers which gets activated in the…

Q: How are the products of the light dependent reaction used in the light independent reaction?

A: Photosynthesis is a process in which green plants that the food in the form of glucose with the help…

Q: write in detail about the use/function of singlet oxygen in photodynamic therapy .  note : you can…

A: As per Hund's rule of filling atomic orbitals, the singly filled orbitals should contain electrons…

Q: What color light does Chlorophyll reflect?

A: Chlorophyll is a pigment present in all green plants and a few other organisms. It is required for…

Q: What is the relationship between the light reactions and the carbonreactions

A: Light Reactions supply the Calvin Cycle with CO2 to produce sugars and Calvin Cycle supply light…

Q: Where do the light-dependent reactions take place?

A: Photosynthesis is the process by which green plant make their own food in the presence of light.

Q: Identify the photosynthetic pigments required toabsorb the various wavelengths of light necessary…

A: Photosynthesis is defined as the synthesis or production of organic compounds (mainly sugars) from…

Q: What is photophosphorylation?

A: Photophosphorylation is the addition of phosphate in the presence of light by cells for the…

Q: What is photoreactivation?

A: SOME BASIC TERMS  PROKARYOTES  are the primitive cells which are devoid of membrane bound…

Q: One of the most significant sources of thepollutants that contribute to photochemicalsmog is exhaust…

A: Hydrogen cell cars are those cars that run on hydrogen fuel as their power source. this type of…

Q: Define photobleaching

A: Photobleaching is the photochemical alteration of a dye or a flurophore molecule,such that it is…

Q: What is the specific name of the pigment that absorbs energy during the light reactions?

A: Photosynthesis is a process through which green plants and some bacteria such as BGA (blue-green…

Q: Define phototransduction.

A: KEY WORDS :- Neuron receptors - It is the information or signal grabber which helps to transmit to…

Q: Of all the photosynthetic pigments, which absorbs the most sunlight and at which wavelengths(s) of…

A: Photosynthetic pigments are substances that have an ability to absorb light at specific wavelengths.…

Q: what is the role of singlet oxygen in photodynamic theraphy . give 10 points  in detail

A: PDT or photodynamic therapy is a type of therapy that involves a defined light source and a…

Q: Describe the light reactions.

A: Photosynthesis is a biochemical process that converts carbon dioxide and water to glucose and oxygen…

Q: Can you identify different zones in the luminous flame

A:

Q: Name the special photoreceptor pigment present in halophiles.

A: Extremophiles are organisms that are found and adapted to thrive in extreme environments. Halophiles…

Q: In simple words, how does is ATP produced in light reactions?

A: Photosynthesis occurs in two sequential stages, namely, light (light-dependent) reactions and dark…

Q: Where does photolysis occur

A: Photolysis is the chemical process of breaking down molecules with the help of light. Normally, the…

Q: What is working distance and how is it related to magnification?

A: Working distance is the distance between the object and the front end of the lens. A microscope has…

Q: What are some of the biological process in which photophosphorylation plays a critical role?

A: Biological processes are processes that are crucial for all living organism to live and are composed…

Q: State the Light Reactions ?

A: Step 1 Light is the visible part of the electromagnetic spectrum that consists of a stream of very…

Q: What exactly happens when chlorophyll and other pigments absorb light?

A: The chlorophyll has pigment like chlorophyll that absorbs light, use this solar energy and convert…

Q: What is the correct sequence of steps in the light reaction? ADP + Pi --> ATP oxidation of water…

A: In plants, photosynthesis occurs in two stages one is light-dependent and the other is…

Q: THE LIGHT DEPENDEN REACTION MUST OCCUR BEFORE THE LIGHT INDEPENDENT REACTION    TRUE OR FALSE?

A: Photosynthesis is process of synthesis of glucose monitoring molecule from inorganic materials like…

Q: What could potentially happen if you leave the slide exposed for too long to the open flame? Why do…

A: If the slide is overheated the cell wall of the smear will be ruptured . Concentration and freshness…

Q: What is RuBisCO and how is it involved in thelight- independent reactions?

A: Photosynthesis is the process by which plants store the energy of sunlight as chemical energy. The…

Q: What is iridium?

A: The main use of iridium is as a hardening agent for platinum alloys.

Q: Which color(s) of light does chlorophyll a reflect?

A: The chlorophyll pigment is necessary for photosynthesis but due to high temperatures it does not…

Q: Blue light is more effective than other colors of light in causing the phototropic response. C

A:

Q: What are the inputs of the light dependent reactions? Light Oxygen Water Glucose

A: Answer: Input of light dependent reaction: Light, Water, ADP, NADP+ Output of light dependent…

Q: What is the importance of the pigment Photochrome?

A:

Q: 100 50 - 400 450 500 550 600 650 700 Wavelength (nm) In the absorption spectrum shown above, what…

A: Photopigment is the pigment present in plants for absorption of light in different wavelengths .The…

Q: Why are film formers and solvents important in sunscreen formulations

A: In generating medicines or cosmetics formulation plays a key role as it makes sure that the active…

Q: What is the key role of light energy in the initial step of thephotosynthetic light reactions?

A: Photosynthesis consists of two phases namely : photochemical phase or light reaction and…

Q: Do I use a bar graph, line graph or another type of graph to display light exposure to plants and…

A: A graph or chart or diagram is a diagrammatical illustration of a set of data. If the graph is…

Q: An incandescent light bulb uses 60 j per second. How many Watts is that light bulb ?

A: Electrical power os defined as the energy consumed per second Power= energy/ time

Q: Briefly explain photolysis.

A: Light energy is a form of electromagnetic radiation. It consists of photons which are generated when…

Q: What fraction of the energy of 700- nm light absorbed by photosystem I is trapped as highenergy…

A: Photosystem I is part of the photosynthetic light reaction. It uses light energy as the source for…

Q: What are the inputs to the Light Reactions?

A: Photosynthesis:It can be defined as the process with which the green plants and some other organisms…

Q: How  Sunscreen or Sun Filter ingredient's SPF is measured?

A: As per Bartleby guidelines, we are allowed to answer only one question at a time, please post other…

Q: In terms of aerobic cellular respiration, how does this photo works?

A: Cellular respiration is the process by which organisms mix oxygen with food molecules, transferring…

Q: How does UV light harm organisms?

A: In straightforward terms, when microscopic organisms or another kind of microorganism is…

Q: How could you experimentally determine which colors of lightcause the most phototropic bending?

A: Phototropism is one of the important responses in plants. It is the directional response that allows…

Q: What happens to the energy of light when it is absorbed by a pigment?

A: A pigment molecule plays an important role in the process called photosynthesis where the solar…

Q: Why is the cyclic light reaction important?

A: In certain cases, photoexcited electrons follow cyclic path, which involves PSI but not PSII. In…

Q: Differentiate non-cyclic light reaction and cyclic light reaction

A: Plants use both cyclic and non-cyclic photophosphorylation because both have some separate…

Q: is

A: Photosynthesis is the process by which green plants and certain other organisms transform light…

Q: Where does carbon dioxide fixation take place in the cellwith reference to the light-dependent…

A: The dark reaction of photosynthesis involves reduction and fixation of carbon. In all oxygenic…