منابع مشابه
Putting Two Heads Together to Unwind DNA
The loading of replicative helicases onto DNA is tightly regulated in all organisms, yet the molecular mechanisms for this event remain poorly defined. Remus et al. (2009) provide important insights into helicase loading in eukaryotes, showing that the Mcm2-7 replicative helicase encircles double-stranded DNA as head-to-head double hexamers.
متن کاملPutting it all together.
• Let's look at some relatively simple privileged programs • How do they combine the different mechanisms we've seen? • What are the threats? The defenses?
متن کاملPutting it all together 1 Putting
Ratcliff, Gomez and McKoon (2004) suggested much of what goes on in lexical decision is attributable to decision processes, and may not be particularly informative about word recognition. They proposed that lexical decision should be characterized by a decision process, taking the form of a drift-diffusion model (Ratcliff, 1978), which operates on the output of lexical model. The present paper ...
متن کاملPutting together What Fits together - GrÆStl
We present GrÆStl, a combined hardware architecture for the Advanced Encryption Standard (AES) and Grøstl, one of the final round candidates of the SHA-3 hash competition. GrÆStl has been designed for low-resource devices implementing AES-128 (encryption and decryption) as well as Grøstl-256 (tweaked version). We applied several resource-sharing optimizations and based our design on an 8/16-bit...
متن کاملPutting cells together again
Computational biologists are trying to combine the pieces of knowledge about the cell to develop a bigger picture. Such a 'virtual cell' is proving useful for the simulation of cellular processes, reports Michael Gross.
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ژورنال
عنوان ژورنال: Science
سال: 1959
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.129.3341.67