Biology and Chemistry: In biological and chemical contexts, "carrier" can refer to a molecule that transports or binds to another molecule, often within a cell or during a chemical reaction. Companies: It can also refer to a company that provides transportation services, such as a shipping comp...
While some membrane proteins are not capable of active transport, carrier proteins allow active transport. Molecules bound to the carrier proteins can moveuphill,meaning from the area of lower concentration to the area of higher concentration. This form of transport is called active transport where ...
(24,104). SLCs can function as passive facilitative transporters, allowing the movement of substances along a concentration gradient (105). In this mode,SLCtransporters allow the movement of substances along their concentration gradient, meaning that they transport solutes from areas of high ...
Alternately, the carrier can be silent, meaning he or she expresses no feature of MEN1. The carrier may occasionally remain silent into the eighth decade; such an individual is not considered to have MEN1, although the susceptibility likely persists indefinitely. These definitions are not ...
Auxin (indole-3-acetic acid) has its name derived from the Greek word auxein, meaning 'to increase', and it drives plant growth and development. Auxin is a... Frantiek Baluka,J ?Amaj,D Menzel - 《Trends in Cell Biology》 被引量: 280发表: 2003年 Complex regulation of Arabidopsis AGR1...
1. Understanding Pollen Grains: Pollen grains are the male gametes in seed-producing plants. They are non-motile and play a crucial role in the fertilization process. 2. Analyzing the Options: - Option 1: Algae: In algae, male gametes are typically motile and flagellated, meaning they can ...
Enhanced establishment of a virus carrier state in adult CD4+ T-cell-deficient mice. CD4+ T cells play an important role in regulating the immune response; their contribution to virus clearance is variable. Mice that lack CD4+ T cells (CD4-... M Battegay,D Moskophidis,A Rahemtulla,.....
accessible and scalable analysis of DNA and RNA. The technology is used in more than 120 countries to understand the biology of humans and diseases such as cancer, plants, animals, bacteria, viruses and whole environments. Oxford Nanopore Technologies...
2B). The analysis of MadA plus ACP resulted in the appearance of a new 92-kDa protein species that corresponds in molecular weight to a MadA·(ACP)2 complex (Fig. 2C) meaning that there are two ACP-binding sites per MadA dimer. Download: Download high-res image (271KB) Download: ...
On the Phonetic Means for Emphasis in English Emphasis is one of many functions of language, which may strengthen the sense and intensify the tone. As the shell or carrier of meaning, speech sounds are... H Zhang - 《Journal of Hubei Normal University》 被引量: 4发表: 2003年 Code and ...