📘 قراءة كتاب Membrane Protein Protocols أونلاين
Biologically
Biology is a natural science that is concerned with the study of life, its various forms and its function, how these organisms interact with each other and with the surrounding environment. The word biology in Greek is made up of two words: bio (βίος) meaning life. And loggia (-λογία) means science or study. Biology: the similarity of vegetation and animal cover on the edges of the African and American states, and the existence of the same fossil.
Branches of biology
Biology is an ancient science thousands of years old and modern biology began in the nineteenth century. This science has multiple branches. Among them are:
Anatomy
Botany
Biochemia
Biogeography
Biofisia
Cytology or cell science
Ecology or environmental science
نبذه عن الكتاب:
Expression and Purification of the Amphipathic
Form of Rabbit Cytochrome b5 in Escherichia coli
Lucy Waskell
1. Introduction
Cytochrome b5 (cyt b5
) is an electron transfer protein that exists in a
membrane-bound form in the endoplasmic reticulum where it is anchored to the
membrane via a carboxyl-terminal transmembrane -helix (1–3). The
membrane-bound form of cyt b5 provides reducing equivalents for the biosynthesis of a variety of lipids including unsaturated fatty acids, plasmalogens, and
cholesterol. In addition, it facilitates the cytochrome P450 catalyzed oxidation
of selected substrates (2). The membrane domain is linked to the aminoterminal catalytic heme-containing domain via an 11 amino acid linker. The
mammalian cyts b5 are typically greater than 90% similar in sequence and may
be interchangeable in some systems (4). Nevertheless, our laboratory uses rabbit cytochrome P450 2B4 and cytochrome P450 reductase and has elected to
use the rabbit cyt b5 so all proteins are from a single species. Cyt b5 also exists
in a soluble form in red blood cells where it functions to maintain hemoglobin
in its ferrous oxygen-carrying form (5).
Biology
Human biology
Who is the founder of biology?
The importance of biology
Areas of work in the field of biology
Theories of biology
Research on biology for the first grade of secondary school
Human biology
سنة النشر : 2010م / 1431هـ .
حجم الكتاب عند التحميل : 3.104 .
نوع الكتاب : pdf.
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