Answer
Verified
439.8k+ views
Hint: In the case of bacteria, they don't have a specialized respiratory system. However, like our mitochondria, they have certain structures in the plasma membrane that contains respiratory pigments and enzymes. The structures are similar to mitochondria but don't have an outer membrane.
Complete step by step answer:
In some gram-positive bacteria, there are some extensions of the plasma membrane that become invigilated and folded structures. These are known as mesosomes. At first, mesosomes were considered equivalent to mitochondria, but soon it was proven that unlike mitochondria, the mesosomes don't have an outer membrane. However, it contains some respiratory pigments spread throughout the plasma membrane.
So, the correct answer is, 'Mesosomes.'
Additional Information: Here's an explanation to each term mentioned in the question-
- Mesosome: It is formed by the extension of the plasma membrane into the cell wall. This forms some uneven folded shapes, such as vesicles, tubules, and lamellae. Mesosomes are found in some bacteria, mainly gram- positive bacteria. These are important in various processes like cell wall synthesis, DNA replication, distribution to daughter cells, respiration, secretions, etc. The mesosome contains respiratory pigments that take part in respiration in the bacteria.
- Lomasome: These were first discovered by Berlin and Bowen. Lomasomes are sac- like and found in between the cell wall and plasmalemma. These are present in the haustoria of fungal hyphae.
- Chloroplasts: We all know the name of chloroplasts as it is an essential part of photosynthesis. These contain photosynthetic pigment chlorophyll that helps the plant to capture sunlight to carry out the process of photosynthesis. They are found mainly in green plants and algae. Like mitochondria, they are also double- membrane organelle.
- Thylakoids: Thylakoids are membranous sacs that construct the thylakoid system in chloroplasts. The chlorophyll pigments are found in these membranes. The thylakoid system is the place where the light-dependent reaction of photosynthesis takes place.
Note: Mesosomes are present in gram- positive bacteria and it contains the pigments required for their respiration. Lomasome, chloroplasts, and thylakoids are present in other organisms like plants, fungi, and algae.
Complete step by step answer:
In some gram-positive bacteria, there are some extensions of the plasma membrane that become invigilated and folded structures. These are known as mesosomes. At first, mesosomes were considered equivalent to mitochondria, but soon it was proven that unlike mitochondria, the mesosomes don't have an outer membrane. However, it contains some respiratory pigments spread throughout the plasma membrane.
So, the correct answer is, 'Mesosomes.'
Additional Information: Here's an explanation to each term mentioned in the question-
- Mesosome: It is formed by the extension of the plasma membrane into the cell wall. This forms some uneven folded shapes, such as vesicles, tubules, and lamellae. Mesosomes are found in some bacteria, mainly gram- positive bacteria. These are important in various processes like cell wall synthesis, DNA replication, distribution to daughter cells, respiration, secretions, etc. The mesosome contains respiratory pigments that take part in respiration in the bacteria.
- Lomasome: These were first discovered by Berlin and Bowen. Lomasomes are sac- like and found in between the cell wall and plasmalemma. These are present in the haustoria of fungal hyphae.
- Chloroplasts: We all know the name of chloroplasts as it is an essential part of photosynthesis. These contain photosynthetic pigment chlorophyll that helps the plant to capture sunlight to carry out the process of photosynthesis. They are found mainly in green plants and algae. Like mitochondria, they are also double- membrane organelle.
- Thylakoids: Thylakoids are membranous sacs that construct the thylakoid system in chloroplasts. The chlorophyll pigments are found in these membranes. The thylakoid system is the place where the light-dependent reaction of photosynthesis takes place.
Note: Mesosomes are present in gram- positive bacteria and it contains the pigments required for their respiration. Lomasome, chloroplasts, and thylakoids are present in other organisms like plants, fungi, and algae.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
Mark and label the given geoinformation on the outline class 11 social science CBSE
When people say No pun intended what does that mea class 8 english CBSE
Name the states which share their boundary with Indias class 9 social science CBSE
Give an account of the Northern Plains of India class 9 social science CBSE
Change the following sentences into negative and interrogative class 10 english CBSE
Trending doubts
Which are the Top 10 Largest Countries of the World?
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
Difference Between Plant Cell and Animal Cell
Give 10 examples for herbs , shrubs , climbers , creepers
Differentiate between homogeneous and heterogeneous class 12 chemistry CBSE
The Equation xxx + 2 is Satisfied when x is Equal to Class 10 Maths
How do you graph the function fx 4x class 9 maths CBSE
Write a letter to the principal requesting him to grant class 10 english CBSE