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What process is responsible for bringing in large particles into the cell?
Phagocytosis is the process responsible for bringing in large particles such as bacteria or dead cells into the cell. During phagocytosis, the cell engulfs the particle by forming a phagosome, which then fuses with lysosomes to break down the ingested material.
What type of nutrition is found in amoeba?
Amoebas obtain nutrition through phagocytosis, where they engulf and digest food particles such as bacteria, algae, and organic debris. They absorb nutrients across their cell membrane after breaking down the ingested material. Amoebas are capable of obtaining nutrients in a variety of environments due to their versatile feeding strategy.
What is an alpha particles and what stops them?
Alpha particles are positively charged particles consisting of two protons and two neutrons. They have low penetration ability and can be stopped by a piece of paper, clothing, or a few centimeters of air. However, they can be harmful if inhaled or ingested.
What type of damage can alpha particles do to the body?
If Alpha Particles are inhaled, ingested (swallowed), or absorbed into the blood stream, alpha radiation is exposed to sensitive living tissue. The biological damage results in the increased chances of cancer, particularly lung cancer which is caused when alpha emitters are inhaled.
What is the function of a ciliated simple columnar epithelium?
A ciliated simple columnar epithelium helps to move particles or mucus along the surface of the tissue. The cilia on the cells beat in a coordinated manner to create a directional flow. This type of epithelium is found in areas like the respiratory tract and the fallopian tubes.
An amoeba ingest large food particles by what process?
An amoeba ingests large food particles by a process called phagocytosis. During phagocytosis, the amoeba uses pseudopods to surround the food particle and form a food vacuole, which contains the ingested material. The food vacuole then fuses with lysosomes to digest the food.
What does endocytosis look like?
the process of uptake of material into a cell via invagination of a portion of the cell membrane and budding off the membrane components into a vesicle (or endosome) containing the material that was ingested
What process is responsible for bringing in large particles into the cell?
Phagocytosis is the process responsible for bringing in large particles such as bacteria or dead cells into the cell. During phagocytosis, the cell engulfs the particle by forming a phagosome, which then fuses with lysosomes to break down the ingested material.
Which nuclear decay particles would inflict the most tissue damage if ingested?
alpha particles
What is melanophage?
Melanophages are macrophages which have ingested (endocytosis) melanosomes or melanin. (Weiss et al, 1988; James et al, 1987; Cooper et al, 1986)
What type of nutrition is found in amoeba?
Amoebas obtain nutrition through phagocytosis, where they engulf and digest food particles such as bacteria, algae, and organic debris. They absorb nutrients across their cell membrane after breaking down the ingested material. Amoebas are capable of obtaining nutrients in a variety of environments due to their versatile feeding strategy.
What Is receptor mediated transport?
Endocytosis is the bulk transfer of materials from inside to outside of a cell with the help of special vesicles. Types of Endocytosis : 1) phagocytosis 2) potocytosis 3) receptor mediated endocytosis
Cells acquire LDLs by?
Low-density lipoproteins or LDLs are substances made up of fat and protein. Cells acquire LDLs through receptor-mediated endocytosis, wherein specific molecules are ingested into the cell.
What are the differences between lysosomes and peroxisomes?
lysosomes break down materials ingested by the cell using hydrolytic enzymes at a pH of around 5. They also remove old cellular components and replace with newer ones. peroxisomes are responsible for the creation of hydrogen peroxide within a cell and are used to break down fats into usable molecules, as well as catalyze detoxification reactions in the liver. Another difference is that, unlike lysosomes, peroxisomes do not bud from the endomembrane system (golgi body and endoplasmatic reticulum), they grow by incorporating proteins and lipids made in cytosol.
In a cell, what is the function of the vacuole?
It removes waste, stores ingested food and provides cellular structure.
Is the function of a vacuole in a cell?
It removes waste, stores ingested food and provides cellular structure.
What is an alpha particles and what stops them?
Alpha particles are positively charged particles consisting of two protons and two neutrons. They have low penetration ability and can be stopped by a piece of paper, clothing, or a few centimeters of air. However, they can be harmful if inhaled or ingested.
