Plantlike photosynthesis that releases O 2 occurs in a. Cyanobacteria b. Archaea c. Gram-positive bacteria d. Chemoautotrophic bacteria

Hello everyone. And in today's video we have a problem stating oxygen. IQ photosynthesis releases oxygen as a byproduct. Which one of the following groups of organisms carry out oxygen in photosynthesis. So before we jump straight into our answer choices as quickly consider the types of photosynthesis and an organism can perform depending on their environment. So we have oxygen in photosynthesis which is usually performed by aerobic organisms. And this involves the using of water as a protein source. So the water molecule is going to be split and the hydrogen ions coming from it are going to be used as a protein source for for the synthesis. And this is usually performed by photosynthetic creates such as plants and augie and also by cyanobacteria. Now we also have an oxygen in photosynthesis which is a process more suited for organisms are anaerobic organisms that cannot be in the princess of oxygen. So they use hydrogen sulfide instead and they will do the same process of splitting this water, this hydrogen sulfide molecule and using the hydrogen coming from it as a pro tensors for photosynthesis. This is usually performed by most photosynthetic precarious except by cyanobacteria. Now what we really need to care about here is these organisms that are able to perform oxygen in photosynthesis which we said are photosynthetic bacteria and cyanobacteria. The only answer choice that contains only photosynthetic chariots and cyanobacteria is answer choice. C which are photosynthetic eukaryotes are going to be plants and algae and or cyanobacteria will be your last oxygen organism. And so that is the answer to our question. I really hope it helped you, and I hope to see you on the next video.

26. Prokaryotes

Prokaryotic Diversity

General Biology

26. Prokaryotes

Prokaryotic Diversity

1:52 minutes

Problem 6`

Textbook Question

Plantlike photosynthesis that releases O₂ occurs in
a. Cyanobacteria
b. Archaea
c. Gram-positive bacteria
d. Chemoautotrophic bacteria

Verified step by step guidance

Understand the process of photosynthesis: Photosynthesis is the process by which green plants, algae, and certain bacteria convert light energy into chemical energy, producing oxygen (O2) as a byproduct.

Identify the organisms capable of photosynthesis: Among the options given, cyanobacteria are known for their ability to perform plantlike photosynthesis, releasing oxygen.

Differentiate between the types of bacteria: Cyanobacteria are a type of bacteria that contain chlorophyll and perform photosynthesis similar to plants. Archaea, gram-positive bacteria, and chemoautotrophic bacteria do not perform photosynthesis that releases oxygen.

Recognize the role of cyanobacteria: Cyanobacteria are often referred to as blue-green algae and are significant contributors to oxygen production in aquatic environments.

Conclude which organism performs plantlike photosynthesis: Based on the characteristics of cyanobacteria, they are the correct answer for the organism that performs plantlike photosynthesis releasing O2.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Photosynthesis

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy, producing oxygen as a byproduct. It involves the absorption of light by chlorophyll and the conversion of carbon dioxide and water into glucose and oxygen. This process is crucial for the survival of most life forms on Earth as it provides oxygen and organic compounds.

Cyanobacteria

Cyanobacteria, also known as blue-green algae, are a group of photosynthetic bacteria that perform plantlike photosynthesis, releasing oxygen. They are significant contributors to the Earth's oxygen supply and are found in diverse environments, from oceans to freshwater systems. Cyanobacteria possess chlorophyll and use sunlight to convert carbon dioxide and water into glucose and oxygen, similar to plants.

Chemoautotrophic Bacteria

Chemoautotrophic bacteria obtain energy by oxidizing inorganic substances, such as hydrogen sulfide or ammonia, rather than through photosynthesis. They do not release oxygen as a byproduct because their energy conversion process does not involve the splitting of water molecules. These bacteria play a vital role in nutrient cycling, particularly in environments where sunlight is scarce, such as deep-sea vents.