Mitosis and meiosis are the two kinds of cell division that occur in living cells. Meiosis is exemplified by the pairing of homologous chromosomes, crossing over, and separation of homologous chromosomes. Because these chromosomes separate, the chromosome number is diminished to one half for the duration of meiosis.
The homologous chromosomes do not pair off or trade segments during ...
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There are quite a number of animals that are born blind, and these include the golden mole. It finds its prey by using its hearing abilities, and it sticks its head in the sand and can detect the smallest movement. The star mossed mole has a habitat that ranges from Canada to Georgia.
Cavefish can only be found in a cave that has a flow to it, and they do not have functional eyes and ...
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An antigen is something that illicitness an immune response. Gut flora, for example, is a non-antigen. It does not create an immune response from your body, and it is a bacterium. Gut flora is the microorganisms including bacteria, archaea, and fungi that reside in the digestive tracts of humans and other animals, including insects.
The opposite of an antigen could be a protein ...
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There are 64 codons in a genetic code. Of the 64 codons, 61 code for amino acids, which are the building blocks of proteins. Although 61 different codons code for 20 amino acid, there are only 45 different tRNAs for the reason that the third base in the tRNA anticodon can recognize two or more codons on mRNA.
The capacity to acknowledge codons is called wobble. Wobble is the reason ...
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DNA duplexes will unwind, and separate and proteins will develop. A macromolecule is a giant molecule, such as a protein. They are comprised of thousands of covalently connected atoms. Numerous macromolecules are the polymerization of smaller molecules known as monomers.
The most commonplace macromolecules in biochemistry are biopolymers such as nucleic acids, proteins, carbohydrates, ...
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Turgor pressure is the actual pressure established in a cell at a specific time, and its value changes over time. Osmotic pressure is the maximum tension that can be developed in a cell at certain given conditions.
It has a constant value for that cell under the same conditions. Osmosis is the movement of molecules from a higher concentration region to a region of lower concentration ...
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Numerous polyploid plants have bigger cells and are larger on the whole than their diploid relatives. Every So Often plant breeders have taken advantage of this occurrence while breeding plants with larger leaves and fruits. Breeders have often noticed that crossing two lines result in superior progeny because of the parents' combination of genes.
This consequence is known as ...
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The cells on the root epidermis are referred to as root hairs, and these hairs encourage and assist with water absorption. The root hairs are lengthy, and they can penetrate between the soil particles inhibiting harmful bacteria organisms from coming into the plants through the xylem vessels.
A root hair is the rhizoid of a vascular plant, and it is a tube-like outgrowth of a ...
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Fungi and other organisms that attain their biomass from oxidizing organic materials are called decomposers and not primary producers. A fungus is any group of eukaryotic organisms that include yeast and molds, such as mushrooms.
These organisms are grouped within their separate kingdom, which is different from plants and animals' respective kingdoms. Before initiating molecular ...
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Fatigue is not a disease but a symptom of so many health conditions. This means fatigue has so many causes. It is a term people use when describing a feeling of extreme tiredness. It is important to note that fatigue doesn't describe the feeling you have when you are feeling sleepy or drowsy, although you might be feeling this way when you are fatigued. Fatigue is simply a feeling of lack of ...
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