Table of Contents
- 1 Which is a reactant in the process powered by sunlight hitting?
- 2 Which sentence best describes what happens after sunlight hits photosystem 2?
- 3 What are the reactants of photosynthesis?
- 4 What happens to the free energy released as electrons are passed from photosystem II to photosystem I through a series of electron carriers?
- 5 What happens to the free energy released as electrons are passed from photosystem?
- 6 What happens when an excited electron is passed to an electron acceptor in the photosystem?
Which is a reactant in the process powered by sunlight hitting?
Adenosine triphosphate (ATP) is produced as the form of energy that can be used for other cellular processes. During photosynthesis, light energy (sunlight) combines with the reactants—water and carbon dioxide—to form new products: glucose (sugar) and oxygen.
Which sentence best describes what happens after sunlight hits photosystem 2?
Which sentence best describes what happens after sunlight hits photosystem 2? After electrons hit photosystem 2, they move through a chain of three protein complexes.
What happens after sunlight hits photosystem II?
The energy “excites” one of its electrons enough to leave the molecule and be transferred to a nearby primary electron acceptor. After the photon hits, photosystem II transfers the free electron to the first in a series of proteins inside the thylakoid membrane called the electron transport chain.
What happens when sunlight hits photosystem II?
A photon strikes photosystem II to initiate photosynthesis. The ions flow through ATP synthase from the thylakoid space into the stroma in a process called chemiosmosis to form molecules of ATP, which are used for the formation of sugar molecules in the second stage of photosynthesis.
What are the reactants of photosynthesis?
The reactants of photosynthesis are everything to the left of the “———>” arrow, thus the reactants of photosynthesis are carbon dioxide, water, and sunlight energy. The products of photosynthesis are everything to the right of the “———>” arrow, thus the products of photosynthesis are glucose and oxygen.
What happens to the free energy released as electrons are passed from photosystem II to photosystem I through a series of electron carriers?
What happens to the free energy released as electrons are passed from photosystem II to photosystem I through a series of electron carriers? It is used to establish and maintain a proton gradient.
What two things happen when light hits photosystem II on the thylakoid membrane?
A photon strikes the antenna pigments of photosystem II to initiate photosynthesis. The energy travels to the reaction center that contains chlorophyll a and then to the electron transport chain, which pumps hydrogen ions into the thylakoid interior. This action builds up a high concentration of hydrogen ions.
What is the reactant of light dependent reactions of photosynthesis?
The goal of the light-dependent reactions of photosynthesis is to collect energy from the sun and break down water molecules to produce ATP and NADPH….
| Goal | Convert light energy into chemical energy |
|---|---|
| Input | Sunlight, H2O, NADP+, ADP |
| Output | NADPH, ATP, O2 |
What happens to the free energy released as electrons are passed from photosystem?
What happens when an excited electron is passed to an electron acceptor in the photosystem?
The excited electron is boosted to a higher energy state. The electron is attached to a primary electron acceptor (different from the one associated with Photosystem II). The electron is passed again through a series of redox reactions, eventually joining NADP+ and H+ to form NADPH.