Ancestral sequence reconstruction (ASR) is a computational technique used in evolutionary biology to infer the genetic sequences (DNA, RNA, or protein sequences) of ancestral organisms based on the sequences of their descendant species. Researchers use ASR to hypothesize the sequences that might have existed in common ancestors, thereby providing insights into evolutionary processes, functional characteristics of ancient proteins, and the history of genetic changes over time.
A blotting matrix, often referred to in the context of molecular biology and biochemistry, is a tool used in techniques such as blotting (e.g., Southern blot, Northern blot, or Western blot) to support the transfer of biomolecules like DNA, RNA, or proteins from a gel to a membrane. The matrix typically consists of materials that provide a solid surface for the biomolecules while allowing for effective binding and detection.
David Banner is a game designer known for his work in the video game industry. He has contributed to various projects, particularly in roles that involve game design, development, and production. While specific details about his career achievements and notable projects may not be widely documented, he is recognized within the gaming community for his creative input and innovation.
Cap Analysis of Gene Expression (CAGE) is a method used in molecular biology to study gene expression at the level of transcription. It primarily focuses on identifying and quantifying the transcription start sites (TSS) of genes, allowing researchers to understand where and how genes are being activated in different cell types or under various conditions. Here’s a brief overview of the CAGE process: 1. **Sample Preparation**: Cells or tissues of interest are collected, and RNA is extracted.
"Girls of Many Lands" is a book series and accompanying product line published by American Girl, which focuses on stories of girls from various cultural backgrounds and historical periods. Each book typically features a young female protagonist who experiences significant events or challenges in her life, showcasing her cultural heritage and the historical context in which she lives. The series is aimed at young readers and often highlights themes of friendship, bravery, and personal growth.
David Eppstein is a prominent computer scientist known for his contributions to various areas of algorithm design, data structures, and computational geometry. He is a professor in the Department of Computer Science at the University of California, Irvine. Eppstein has published extensively in fields such as graph algorithms, combinatorial geometry, and information visualization. His work often focuses on practical applications of theoretical computer science, and he is also known for his software development skills and contributions to the field of computational graphics.
The Gittins index is a concept from decision theory and optimal stopping problems, named after John Gittins who introduced it in the context of multi-armed bandit problems. It provides a method for assigning a numerical value (the index) to each option or arm in a decision-making scenario to facilitate optimal choices over time.
The Codon Adaptation Index (CAI) is a measure used to evaluate the relative adaptation of a gene's codon usage to that of a reference organism or a set of highly expressed genes. It provides an assessment of how well the codons used in a particular gene match the codon preferences of an organism, which can influence the efficiency of protein expression.
As of October 2023, the Davidson Wildcats men's basketball statistical leaders include players who have excelled in various categories such as points, rebounds, assists, steals, and blocks throughout the program's history. Some of the notable statistical leaders typically include: - **Points**: Players like Stephen Curry, who is renowned for his scoring ability, often lead in total points.
Copy number analysis refers to the examination of the number of copies of particular genes or genomic regions present in an individual's DNA. This type of analysis is often used in the context of genetics and genomics to identify variations in the genome that may be associated with diseases, developmental disorders, or other traits. Key points about copy number analysis include: 1. **Copy Number Variants (CNVs):** CNVs are segments of DNA that vary in copy number among individuals.
"Dawn of the Dead" is a 1978 horror film directed by George A. Romero. It is a sequel to Romero's earlier film, "Night of the Living Dead." The film is notable for its exploration of social themes, particularly consumerism, as it follows a group of survivors navigating a zombie apocalypse. The story is set in a shopping mall that has been taken over by the undead.
Hegerfeldt's theorem is a result in quantum mechanics that addresses the phenomenon of faster-than-light (FTL) signaling in the context of quantum information and relativistic quantum field theory. The theorem was first presented by Hegerfeldt in a 1998 paper. It demonstrates that certain quantum states evolve in such a way that they can lead to superluminal communication, which contradicts the principles of relativity that prohibit faster-than-light signaling.
Hamid Vahid-Dastjerdi is an Iranian physicist known for his work in the field of condensed matter physics and materials science. His research often focuses on the electrical and optical properties of materials, and he has contributed to the understanding of various phenomena in these areas.
The term "parabigyrate rhombicosidodecahedron" refers to a specific type of geometric figure within the category of Archimedean solids. The rhombicosidodecahedron itself is one of the Archimedean solids, characterized by having 62 faces: 20 regular triangles, 30 squares, and 12 regular pentagons. It has 60 edges and 30 vertices.
HMS Protector (A173) is a British Royal Navy vessel, specifically a polar research ship and the Royal Navy's ice patrol ship. She was commissioned in 2011 and is designed primarily for performing hydrographic and oceanographic research as well as providing support for UK interests in Antarctic waters. The ship operates primarily in the Southern Ocean and around Antarctica, engaging in scientific research, patrol duties, and environmental monitoring.
Hopscotch hashing is a dynamic, open-addressing hash table algorithm designed to efficiently resolve collisions and maintain quick access to entries. It is particularly useful for applications requiring fast average-case lookup times, even with a high load factor in the hash table. Here are the key features and workings of hopscotch hashing: 1. **Basic Concept**: Like traditional hashing, hopscotch hashing uses a hash function to map keys to indices in the hash table.
Hückel's rule is a principle in organic chemistry that provides a criterion for the stability of cyclic, planar, and fully conjugated polyene systems. According to Hückel's rule, a cyclic compound will exhibit aromatic stability if it contains \(4n + 2\) π electrons in its conjugated system, where \(n\) is a non-negative integer (0, 1, 2, etc.).
Igor Mashechkin does not appear to be a widely recognized figure or entity in publicly available information as of my last update in October 2023. It's possible that he may be a private individual, a professional in a specific field, or a lesser-known public figure.
Abel polynomials, named after the mathematician Niels Henrik Abel, are a specific class of polynomials that typically arise in the context of algebra and number theory.
Inherent risk refers to the level of exposure to risk that exists in the absence of any controls or mitigation measures. It represents the natural level of risk associated with a specific process, activity, or decision based on its nature and circumstances. Inherent risk is often evaluated in various fields, such as finance, auditing, and risk management, to understand potential threats and vulnerabilities.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 3. Visual Studio Code extension installation.Figure 4. Visual Studio Code extension tree navigation.Figure 5. Web editor. You can also edit articles on the Web editor without installing anything locally.Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.Video 4. OurBigBook Visual Studio Code extension editing and navigation demo. Source. - Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact





