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- Dictionaryalive/əˈlʌɪv/
adjective
- 1. (of a person, animal, or plant) living, not dead: "hopes of finding anyone still alive were fading" Similar Opposite
- 2. alert and active; animated: "Ken comes alive when he hears his music played" Similar Opposite
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1 day ago · Cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell may be a complete organism in itself, such as a bacterium, or it may acquire a specialized function, becoming a building block of a multicellular organism.
- Rna Synthesis
Cell - RNA Synthesis: The synthesis of RNA is performed by...
- Coupled Chemical Reactions
Cell - Coupled Reactions, Metabolism, Enzymes: Cells must...
- The Endoplasmic Reticulum
Cell - Endoplasmic Reticulum, Organelles, Membranes: The...
- Dna, Genes, Chromosomes
Cell - DNA, Genes, Chromosomes: During the early 19th...
- Cell Membrane
The chemical structure of the cell membrane makes it...
- Calcium Pumps
Cell - Calcium Pumps, Membrane Transport, Homeostasis: Many...
- Intermediate Filaments
Cell - Proteins, Structure, Function: Intermediate filaments...
- Cell Division and Growth
Cell - Mitosis, Cytokinesis, Prokaryotes: In unicellular...
- Rna Synthesis
2 days ago · Metabolism, the sum of chemical reactions that take place in living cells, providing energy for life processes and the synthesis of cellular material. Living organisms are unique in that they extract energy from their environments via hundreds of coordinated, multistep, enzyme-mediated reactions.
- Hans Kornberg
3 days ago · A microorganism, or microbe, [a] is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells . The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India.
2 days ago · Defining life to define death. One of the challenges in defining death is in distinguishing it from life. As a point in time, death seems to refer to the moment when life ends. Determining when death has occurred is difficult, as cessation of life functions is often not simultaneous across organ systems. [19]
3 days ago · Moses (flourished 14th–13th century bce) was a Hebrew prophet, teacher, and leader who, in the 13th century bce (before the Common Era, or bc ), delivered his people from Egyptian slavery. In the Covenant ceremony at Mt. Sinai, where the Ten Commandments were promulgated, he founded the religious community known as Israel.
- Dewey M. Beegle
1 day ago · The Dalai Lama is considered to be the successor in a line of tulkus who are believed [2] to be incarnations of Avalokiteśvara, [1] the Bodhisattva of Compassion. [5] [6] Since the time of the 5th Dalai Lama in the 17th century, the Dalai Lama has been a symbol of unification of the state of Tibet. [7]
4 days ago · Protein. Most familiar are proteins that make up structures, such as muscle and, very importantly, proteins that fold and form what are known as enzymes. These proteins help your body carry out all of the chemical reactions it needs to keep you alive.
