What organelle is most likely abundant in skeletal muscle cells?
During a race such as a marathon, the skeletal muscle cells in your legs use a lot of energy to continually contract and power your muscles. What organelle is most likely abundant in skeletal muscle cells? Similar to the nucleus, chloroplasts and mitochondria are ________.
Just as power plants provide the energy necessary to light a city, organelles called mitochondria generate a molecule, adenosine triphosphate or ATP, which is the energy currency for the human body. Every cell in your body contains mitochondria, but some cells have a greater density of the organelle than others.
- Core organelles are found in virtually all eukaryotic cells. They carry out essential functions that are necessary for the survival of cells – harvesting energy, making new proteins, getting rid of waste and so on. Core organelles include the nucleus, mitochondria, endoplasmic reticulum and several others.
- Skeletal muscle fibers are cylindrical, multinucleated, striated, and under voluntary control. Smooth muscle cells are spindle shaped, have a single, centrally located nucleus, and lack striations. They are called involuntary muscles.
- All the cellular organelles are made of macromolecules like carbohydrates, Lipids, Proteins, and Nucleic acids (DNA, RNA). Atoms - To make macromolecules involves even smaller building blocks. You may have heard of atoms before and their parts: neutrons, protons, and electrons.
Mitochondria and ribosomes. Mitochondria are tiny structures found in cells (one is called a mitochondrion). Tissues and organs that need a lot of energy have large numbers of mitochondria in their cells. For example, liver cells and muscle cells contain a lot of mitochondria.
- Cell Organelles and Functions
A B Nucleolus A small, dense region in the nucleus that makes ribosomes Nucleus Controls most cell processes and contain the hereditary information of DNA Ribosomes Small particles made of RNA; assemble proteins
- Ribosomes consist of two major components: the small ribosomal subunits, which read the RNA, and the large subunits, which join amino acids to form a polypeptide chain. Each subunit comprises one or more ribosomal RNA (rRNA) molecules and a variety of ribosomal proteins (r-protein or rProtein).
- Different types of cells have different amounts of some organelles. For instance, cells that use a lot of energy tend to contain large numbers of mitochondria (the organelle responsible for harvesting energy from food). That's why very active muscle cells are often full of mitochondria.
These membranes divide the cell into functional and structural compartments, or organelles. In eukaryotes the organelles of the endomembrane system include: the nuclear membrane, the endoplasmic reticulum, the Golgi apparatus, lysosomes, vesicles, endosomes and the cell membrane, among others.
What structure ask as a selective barrier regulating the traffic of materials into and out of the cell?Lysosomes contain digestive enzymes and break down worn-out organelles. What structure acts as a selective barrier, regulating the traffic of materials into and out of the cell? The plasma membrane surrounds the cell and regulates the movement of materials into and out of the cell.
- Eukaryotic cells contain a membrane-bound nucleus and numerous membrane-enclosed organelles (e.g., mitochondria, lysosomes, Golgi apparatus) not found in prokaryotes. The resulting proteins carry out cell functions. Also located in the nucleus is the nucleolus or nucleoli, organelles in which ribosomes are assembled.
- About how many ribosomes would you expect there to be in a pancreatic cell? several million. There are several million ribosomes in cells, such as the cells in the pancreas that produce digestive enzymes. What do the rough endoplasmic reticulum, Golgi apparatus, and lysosomes have in common?
Updated: 12th November 2019