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How does DNA make a muscle cell different from a liver cell?
Muscle cells and liver cells have the same DNA, but they express different genes. This differential gene expression determines the unique characteristics and functions of each type of cell. Muscle cells express genes related to movement and contraction, while liver cells express genes related to metabolism and detoxification.
Does a cell in your stomach contain genes for brain cells?
No, a cell in your stomach does not contain genes for brain cells. Different types of cells express different sets of genes to carry out their specific functions in the body. Brain cells and stomach cells have different gene expression profiles to support their distinct roles in the body.
Why are some cells brain cells and others skin cells when the DNA is the same?
All body cells have the same DNA. They all play different roles because the brain sends them signals to do so. You can't have them all doing the same thing. Ex: If you only have skin cells, then what cells will make up your heart or liver or bones?
Do different cells have different genes?
If the cells are from one individual, all will have the same genes except their sex cells which have 1/2 the number. A dog will have different genes from a cat. The genes make the cat different from the dog and human.
Why only certain cells produce certain products?
Control genes impede certain genes from expressing themselves and allow others to express themselves/ Thus a liver cell will have basically the same genome as a neuron, but will not express axon development and the neuron will not express bile development.
How are cells in single cells and multicellular organisms similar?
Cells that are part of a multi-cellular organism typically have the same metabolic functions as single-celled organisms, however differences exist. Multicellular cells will have a specialized function, typically do not have to independently gather food and will express target genes selectively rather than all of the genes necessary for survival that a single-celled organism might express.
Do eukaryotic cells have genes?
All cells have genes
How do genes affect cells?
Genes tell cells how to make proteins.
Which genes are present in your liver cells?
All your genes are present in your liver cells
Do all body cells activate the same genes?
All body cells have the same genes except for the sex cells (sperm and ova). They do not use the same genes. A muscle cell isn't using the same genes as a nerve cell does. Otherwise the muscle cell and the nerve cell would not be different nor do different things.
What are Osteoblasts and Osteoclasts?
Osteoblasts are one type of bone cell (out of three) that is found in bone tissue. They are bone forming cells (make bone) (bone builders). It deposits bone even as another bone cell, osteoclasts, breaks it down. When there is a break, or lacuna, in the bone the osteoblasts form a sheet over the gap. Then osteoids cover the osteoblats trapping them in the lacuna. Inside the lacuna they then turn into osteocytes, a type of bone cell.osteoblasts are bone forming cells, and osteoclasts are bone destroying cells.Osteoblasts (from the Greek words for "bone" and "germ" or embryonic) are mononucleate cells that are responsible for bone formation; in essence, osteoblasts are sophisticated fibroblasts that express all genes that fibroblasts express, with the addition of the genes for bone sialoprotein and osteocalcin.[1]Osteoblasts produce osteoid, which is composed mainly of Type I collagen. Osteoblasts are also responsible for mineralization of the osteoid matrix. Zinc, copper and sodium are some of the many minerals produced. Bone is a dynamic tissue that is constantly being reshaped by osteoblasts, which build bone, and osteoclasts, which resorb bone. Osteoblast cells tend to decrease as individuals become elderly, thus decreasing the natural renovation of the bone tissue.[2]osteoblasts produce bones in the body. they are bone producing cellsAn osteoblast is an immature bone cell. Eventually, the osteoblast will mature into an osteocyte and ossify, or harden, into bone.Living cells within the bone are engaged in an unceasing process of remodeling. Osteoblasts lining the surface of bone are much like fibroblasts and deposit and organize new bone matrix while osteoclasts demolish old bone matrix. Osteoblasts are converted into osteocytes as they become embedded in this matrix and the matrix calcifies.
Which cells are influenced by natural selection?
In one way or another, all of them. However, we generally don't speak of natural selection in terms of how it affects cells (except perhaps germline cells), but in terms of how it affects populations, lineages or allele frequencies in gene pools. In population genetics, cells are merely the containers for collections of genes, and the machines that express those genes.
