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  1. Apr 28, 2017 · Phenotype Definition. A phenotype is the physical expression of DNA. In contrast, the genotype is the chemical makeup of DNA that causes a particular phenotype. DNA is first transposed into RNA, a slightly different information molecule, which can then be translated into a protein. Phenotypes are caused by the interactions of the many different ...

  2. Apr 28, 2017 · Molecule Definition. A molecule is two or more atoms bonded together to form a single chemical entity. Each atom carries a certain number of electrons that orbit around the nucleus. The nucleus consists of protons and neutrons, of different numbers in different elements. The electrons that orbit the nucleus exist in various clouds, or valence ...

  3. Oct 19, 2020 · Definition. Animal cells are the basic unit of life in organisms of the kingdom Animalia. They are eukaryotic cells, meaning that they have a true nucleus and specialized structures called organelles that carry out different functions. Animal cells do not have plant-specific organelles like cell walls, which support the plant cell, or ...

  4. Oct 4, 2019 · Function of Fatty Acids. Fatty acids have important roles in: 1) signal-transduction pathways; 2) cellular fuel sources; 3) the composition of hormones and lipids; 4) the modification of proteins; and 5) energy storage within adipose tissue (specialized fat cells) in the form of triacylglycerols.

  5. Jan 15, 2021 · Digestive System. A digestive system is a group of organs consisting of the central gastrointestinal (GI) tract and its associated accessory organs that break down food into smaller components so that nutrients can be absorbed and assimilated. This provides the necessary energy to sustain the body.

  6. Index of branches of science. Science (from Latin scientia, meaning "knowledge") is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Modern science is typically divided into three major branches that consist of the natural sciences ( biology, chemistry, physics ...

  7. Oct 2, 2022 · iso- (i), – iso- (i), (ī’sō), 1. Prefix meaning equal, like. 2. In chemistry, prefix indicating “isomer of” (isomerism), for example, isocyanate vs. cyanate. 3. In immunology, prefix designating sameness with respect to species; in recent years, the meaning has shifted to sameness with respect to the genetic constitution of individuals.