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How do you identify mitochondria?

Mitochondria can be identified as smooth, elongated bodies that are the second largest organelle after the nucleus. Their distinguishing feature is the folded inner membrane that gives the interior of the mitochondria its structure.

What process happens in the mitochondria what does it create?

Mitochondria – Turning on the Powerhouse Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.

What process must occur before the events in the mitochondria?

Answer: What process must occur before the events in the mitochondrion? The Krebs cycle and the electron transport chain in the inner mitochondrial membrane enable the cell to generate about 36 moles (mol) of ATP per mole of glucose, with the help of O2–respiring mitochondria.

What are three examples of endosymbiosis?

Examples are nitrogen-fixing bacteria (called rhizobia), which live in the root nodules of legumes; single-cell algae inside reef-building corals, and bacterial endosymbionts that provide essential nutrients to about 10–15% of insects.

What is endosymbiosis process?

The hypothesised process by which prokaryotes gave rise to the first eukaryotic cells is known as endosymbiosis. Endosymbiosis also explains the origin of mitochondria and chloroplast. Eukaryotic cells are believed to have evolved from early prokaryotes that were engulfed by phagocytosis.

What is endosymbiosis evidence?

There is broad evidence to show that mitochondria and plastids arose from bacteria and one of the strongest arguments to support the endosymbiotic theory is that both mitochondria and plastids contain DNA that is different from that of the cell nucleus and that they have their own protein biosynthesis machinery.

What is the importance of endosymbiosis?

Endosymbiosis is important because it is a theory that explains the origin of chloroplast and mitochondria. It is also a theory that explains how eukaryotic cells came to be.

How did prokaryotes become eukaryotes?

The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.

What are 2 big differences between prokaryotic cells and eukaryotic cells?

The main difference between the two types of cell is that prokaryotic cells have no (membrane-bound) organelles. This means that the processes that usually happen in organelles take place in the cytoplasm. The DNA in prokaryotes is circular, whereas DNA in eukaryotes is linear and arranged in chromosomes.

Why did prokaryotes come before eukaryotes?

They have their own ring-like DNA. They reproduce by binary fission, like prokaryotic cells. The most likely explanation is that eukaryotes are the descendants of bacteria and archaea that converged in a symbiotic relationship to form the prototype for the eukaryotic cell.

Which process uses mitochondria in eukaryotes?

In addition, mitochondria use a process called oxidative metabolism to convert food into energy, and oxidative metabolism yields more energy per food molecule than non-oxygen-using, or anaerobic, methods.

What are the three main parts of a eukaryotic cell?

All eukaryotic cells have organelles, a nucleus, and many internal membranes. These components divide the eukaryotic cell into sections, with each specializing in different functions.

What are the main parts of eukaryotic cells?

Each eukaryotic cell has a plasma membrane, cytoplasm, a nucleus, ribosomes, mitochondria, peroxisomes, and in some, vacuoles; however, there are some striking differences between animal and plant cells.

What are 2 major parts of a eukaryotic cell?

Before discussing the functions of organelles within a eukaryotic cell, let us first examine two important components of the cell: the plasma membrane and the cytoplasm.

What are the 3 major parts of cell?

A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm.

What are the two major parts in a cell?

The two major parts of a cell are the cell membrane and the cytoplasm. The cell membrane, also known as the plasma membrane, is the outer barrier of…