Of the following, which one is light-gathering?
Correct answer: A. Antenna complex
- A. Antenna complex
- B. Reaction centre
- C. Photosystem
- D. ATP synthases
Explanation
The antenna complex is a light-harvesting structure made up of proteins and pigments such as chlorophyll and carotenoids that capture light energy and transfer it to the reaction center. The reaction center, located at the core of the photosystem, contains chlorophyll a and associated proteins responsible for initiating the primary electron transfer reactions of photosynthesis. However, the arrangement of pigments into functional clusters is called a photosystem. The thylakoid system refers to the network of interconnected thylakoid membranes within the chloroplast where the light-dependent reactions take place.ATP synthase is an enzyme which converts ADP to ATP.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
Practise Bioenergetics
1,378 free Bioenergetics MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Bioenergetics questions
The water-splitting step of photosynthesis that releases oxygen is called
A graph plotting the absorption of light of different wavelengths by a pigment is called:
Carbon dioxide released by respiration equals the quantity required by photosynthesizing cells. At this moment there is no net gas exchange between the leaves and the atmosphere. This is termed as what?
Carotenoids perform a protective function in:
About _% of photosynthesis is carried out by terrestrial plants, while the rest occurs in oceans, lakes, and ponds.
The percentage of light absorbed by the leaf: