21st November 2019

texasgateway

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What is cell specialization in multicellular organisms?

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Cell differentiation is the process by which cells become specialized in order to perform different functions. Multicellular organisms begin as just one single cell—a fertilized egg.

Just so, what does it mean that cells in multicellular organisms are specialized?

Cells of a multicellular organism are specialized. What does this statement mean. Cells of a multicellular organism can perform all the life functions the organism needs to survive.

What is the role of cell specialization?

Cell specialization, also known as cell differentiation, is the process by which generic cells change into specific cells meant to do certain tasks within the body. Cell specialization is most important in the development of embryos.

What is the function of a multicellular organism?

Specialization in single-celled organisms exists at the subcellular level; i.e., the basic functions that are divided among the cells, tissues, and organs of the multicellular organism are collected within one cell. Unicellular organisms are sometimes grouped together and classified as the kingdom Protista.

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Why are the cells in multicellular organisms specialized?

Multicellular organisms need specialised organ systems, whereas all the life processes in a unicellular organism take place in that one cell. Multicellular organisms need organ systems to carry out functions such as: Supplying the cells with nutrients, eg the digestive system.

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Why cell differentiation is an important part of the development of a multicellular organism?

Cell Differentiation and Tissue. Within multicellular organisms, tissues are organized communities of cells that work together to carry out a specific function. Proper regulation of these rates is essential to tissue maintenance and repair.

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What is the level of organization in multicellular organisms?

Multicellular organisms are made of many parts that are needed for survival. These parts are divided into levels of organization. There are five levels: cells, tissue, organs, organ systems, and organisms. All living things are made up of cells.

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Why is cell specialization important for the development and growth of a baby?

Cell specialisation. A zygote is a structure that forms when a sperm fertilises an egg. However, once the embryonic stem cells become specialised, they can't change into any other type of cell. The specialised cells can form all the different types of tissue that the embryo needs.

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What is an example of a specialized cell?

This is an example of how specialization can even occur within cells that are already specialized within a particular system of the body. Let's look at red blood cells as an example. Red blood cells are a special type of blood cell that is used to carry oxygen throughout the body.

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How do cells become specialized?

Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.

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What is cell specialization in biology?

Cell specialization is when a newly divided cell starts to change in shape, inner structure, cytoplasm and membrane composition so that it can carry out a specific function in one's body. Muscle cells, neurons, epidermal cells, they all have characteristics that make them adapted to their functions.

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What is the term for a group of specialized cells that work together?

tissue- A group of cells that work together to carry out a particular task (job) in an organism. 12. organs- A group of tissues that perform a complex function (job) in a body. Examples: lung, heart, liver) 13.

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What is an example of a specialized animal cell?

Examples of specialized cells in animals include neurons, osteoblasts, machrophages, red blood cells, and myocytes. Examples of specialized cells in plants include root hair cells, palisade cells, and guard cells. This presentation will focus on the red blood cell, myocytes and neurons.

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What is the differentiation of cells?

Cellular differentiation is the process by which a less specialized cell becomes a more specialized cell type. Differentiation occurs many times during the development of a multicellular organism. The organism changes from a single zygote to a complex system of tissues and cell types.

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What does it mean to be a specialized cell?

Specialized cells perform specialized functions in multicellular organisms. Groups of specialized cells cooperate to form a tissue, such as a muscle. Different tissues are in turn grouped together to form larger functional units, called organs. A cell is the basic unit of life.

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What does it mean for a cell to differentiate?

cellular differentiation. The process by which a cell becomes specialized in order to perform a specific function, as in the case of a liver cell, a blood cell, or a neuron. There are more than 250 general types of cells in the human body.

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How are plant and animal cells specialized?

Animal cells and plant cells have features in common, such as a nucleus, cytoplasm, cell membrane, mitochondria and ribosomes. Plant cells also have a cell wall, and often have chloroplasts and a permanent vacuole. Note that cells may be specialised to carry out a particular function.

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When some substances can pass through?

If a substance is able to diffuse across a membrane, the membrane is said to be permeable to it. A membrane is impermeable to substances that cannot pass across it. Most biological membranes are selectively permeable, meaning that some substances can pass across them and others cannot.

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Are the highest level of cellular organization?

The highest level of organization for living things is the biosphere; it encompasses all other levels. The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

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Can unicellular organisms maintain homeostasis?

Relatively constant internal physical and chemical conditions of a cell. To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce. The cells of multicellular organisms perform specialized tasks and communicate with one another in order to maintain homeostasis.

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Why cell specialization is important in multicellular organism?

Multicellular organisms need many different types of cells to carry out the same life processes. Each of these special types of cells has a different structure that helps it perform a specific function. Cell differentiation is the process by which cells become specialized in order to perform different functions.

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How are cells and tissues related to one another?

Cells, Tissues and Organs. As we mentioned before, cells are the building blocks of life. When we have a group of similar cells working together this is called a tissue, for example muscle tissue is made up of lots of muscle cells. All the cells in a tissue look the same and perform the same job.

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What is the specialization of cells?

Cell specialization, also known as cell differentiation, is the process by which generic cells change into specific cells meant to do certain tasks within the body. Cell specialization is most important in the development of embryos.

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What is the function of the epithelial tissue?

Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing. Epithelial layers contain no blood vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.

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