Table of Contents
Do photosynthetic bacteria have chloroplasts?
Bacteria do not possess any chloroplast. As exceptions, few bacteria are by nature photoautotrophic and thus perform the process of photosynthesis.
Do many prokaryotes have only one photosystem?
A. Photosystems are arrangements of chlorophyll and other pigments packed into thylakoids. B. Many Prokaryotes have only one photosystem.
Does cyanobacteria have chloroplast?
Like all other prokaryotes, cyanobacteria lack a membrane-bound nucleus, mitochondria, Golgi apparatus, chloroplasts, and endoplasmic reticulum.
Can Anabaena perform photosynthesis?
Anabaena sp. PCC 7120 is a filamentous cyanobacterium consisting of a few hundred of vegetative cells, which perform oxygenic photosynthesis.
What is photosynthetic prokaryotic bacteria?
photosynthetic prokaryotic organisms, which synthesize their own food by using light energy form the atmosphere. Chemotrophs: The prokaryoticorganisms, which prepares its own food by the process of chemosynthesis. There are actually two kinds of photosynthesis in prokaryotes.
What are the two types of photosynthetic bacteria?
Cyanobacteria contain two types of photosystems (type I, also known as Fe-S type, and type II, also known as quinone type) and carry out oxygen-evolving photosynthesis.
Do algae have chloroplast?
The chloroplast is an organelle specific for eukaryotic oxygenic photosynthetic organisms, namely algae and land plants. It is mostly known for being the host of a fundamental process called photosynthesis, which generates molecular oxygen and organic molecules in the Earth’s biosphere since billion years ago.
Does azotobacter perform photosynthesis?
Answer. Azobacter , Anabaena and Nostoc are chemosyntheic autotropes. Only Cyanobacteria (among bacteria) is also known blue green algae , perform photosynthesis as it is a photosynthetic autotropes. Hope this much information is enough.
Is Nostoc perform photosynthesis?
Just as Nostoc performs photosynthesis, it also carries out another unique activity often associated with leguminous plants. Nostoc takes nitrogen gas from the atmosphere and ‘fixes’ it into a form that plants and animals can use. This process is known as nitrogen fixation.
Which of these photosynthetic organisms does not have a chloroplast?
The Cyanobacteria are the largest and most diverse group of photosynthetic bacteria previously known as blue green algae . These are true prokayotes having no chloroplast but still perform photosynthesis.
How many photosynthetic bacteria are there?
Within the prokaryotic domain, there are five main groups of bacteria that perform tetrapyrrole-based photosynthesis. They are proteobacteria (also known as purple bacteria), heliobacteria, Chloroflexi (filamentous bacteria also known as green non-sulfur bacteria), Chlorobi (green sulfur bacteria) and cyanobacteria.
Do dinoflagellates have chloroplasts?
They are widely distributed through- out the different dinoflagellate taxa. Large dinoflagellates usually have numerous discoid chloroplasts. They are scattered throughout the cell, sometimes radially arranged (Fig. 1).
Does fungi contain chloroplast?
They obtain nutrients by parasitizing fungi (mycoheterotrophic). We have arrived at our first reason fungi are not plants: fungi lack chloroplasts.
Can Rhizobium photosynthesis?
The rhizobium has the photosynthetic properties of aerobic anoxygenic phototrophs. It will grow, produce the photosynthetic system and perform photosynthetic electron transport only under aerobic conditions. It can fix nitrogen in ex planta culture and grow in the absence of any other source of fixed nitrogen.