O QUE SIGNIFICA ACTIVE TRANSPORT EM INGLÊS
Transporte Ativo
O transporte ativo é o movimento de moléculas através de uma membrana celular na direção contra o gradiente de concentração, isto é, movendo-se de uma concentração baixa para uma concentração elevada. O transporte ativo geralmente está associado à acumulação de altas concentrações de moléculas que a célula precisa, como íons, glicose e aminoácidos. Se o processo usa energia química, como a partir de trifosfato de adenosina, é denominado transporte ativo primário. O transporte ativo secundário envolve o uso de um gradiente eletroquímico. O transporte ativo usa energia celular, ao contrário do transporte passivo, que não usa energia celular. O transporte ativo é um bom exemplo de um processo pelo qual as células precisam de energia. Exemplos de transporte ativo incluem a absorção de glicose nos intestinos nos seres humanos e a absorção de íons minerais nas células ciliadas da raiz das plantas.
definição de active transport no dicionário inglês
A definição de transporte ativo no dicionário é um processo pelo qual as moléculas podem passar através de uma membrana de uma região em que estão em baixa concentração para uma de alta concentração; Isso requer a despesa de energia no metabolismo e é assistido por proteínas transportadoras, comumente referidas como bombas.
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10 LIVROS EM INGLÊS RELACIONADOS COM «ACTIVE TRANSPORT»
Descubra o uso de
active transport na seguinte seleção bibliográfica. Livros relacionados com
active transport e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Biology Coloring Workbook
chapter. 2-6: Active. Transport. and. Endocytosis. Active Transport and
Endocytosis O ATP Molecule E O ADP Molecule F O Phosphate Ion G O Particles
H n < fD o -3 QJ Z5 oo O -5. The cell membrane encloses the cell, forming a
barrier that ...
2
Molecular Biology of Membrane
Transport Disorders
ATP-dependent transporters are shown as closed circles, other transporters as
open squares. put this finding into a proper perspective, a short discussion of
active transport processes is necessary. 26.3. ACTIVE TRANSPORT The
transport of ...
3
Basic Principles of Membrane
Transport
Active transport The effect of superimposing an active transport process on a
simple diffusional process depends on the characteristics of the former. In the
simplest case if /' is actively transported from compartment o to compartment / (
see ...
4
Color Atlas of Physiology
26 Active Transport 01 o Q- <u U c 01 Active transport occurs in many parts of the
body when solutes are transported against their concentration gradient (uphill
transport) and/or, in the case of ions, against an electrical potential (-» p. 22).
Stefan Silbernagl, Agamemnon Despopoulos,
2009
5
Seaweed Ecology and Physiology
However, in contrast to active-transport mechanisms, any energy expenditure
required for transport must be indirect. More recently, ion channels (Fig. 5.3a),
which are macromolecular pores that traverse the cell membrane, have been
invoked ...
Christopher S. Lobban,
1994
6
protons, electrons, phosphorylation and
active transport
(szent-gyorgi) The processes which result in secretion of ions as hydrochloric
acid in the stomach or accumulation of ions in the vacuoles of plant cells are
termed 'active transport' mechanisms. 'Active transport' was a term used by
Ussing in ...
A y OBJECTIVES By the end of this spread you should be able to: • describe the
process of active transport • distinguish between endocytosis and exocytosis.
Fact of life Seaweeds can concentrate inside themselves trace metals that are ...
8
Int Std Ed-General Biology
Many substances are pushed across membranes against their concentration
gradients by active transport "pumps." Active transport concentrates molecules
such as sugars and amino acids inside cells and pushes ions in or out of cells.
Paul E. Hertz, Cecie Starr, Peter Russell, Beverly McMillan, Stephen L. Wolfe, Peter Russell,
2008
List the characteristics of active transport. • Substances are moved against their
electrochemical gradient. • The exchange of substances requires a transport
protein. • The process is rate-limiting and saturable. • The breakdown of
adenosine ...
conditions satisfied active transport of substrate will occur. Many, many cases of
such active transport by countertransport are known in biology and will be dealt
with in later sections of this treatise. Common driven substrates are metabolites ...
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «ACTIVE TRANSPORT»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
active transport no contexto das seguintes notícias.
Health and wellbeing are at the heart of our Green future
But it turns out the opportunity is enormous - do many of the things that we need to do to create a healthier society, encourage active transport, ... «The Ecologist, jul 15»
Spectral-domain optical coherence tomography analysis of …
... of persistent SRF may represent areas of residual RPE dysfunction (eg, decreased phagocytotic activity and/or active transport of ions). «Nature.com, jul 15»
Corium International Upgraded by Zacks to Hold (CORI)
... technology for active delivery of proteins, peptides and vaccines large molecules that require active transport through the skin, and Corplex, ... «Dakota Financial News, jul 15»
Climate change is a 'medical emergency'
... while active transport (walking and cycling) can cut pollution and road traffic accidents, and reduces rates of obesity, diabetes, coronary heart ... «Irish Medical Times, jul 15»
Public transport 'failing older people' – what can be done?
Equally, turning other 'active transport' types, like walking, into a social activity with the help of volunteers, would encourage more elderly ... «Hartlepool Mail, jun 15»
Public Transport in right direction – Len Brown
"Our council is now spending 50 percent of its transport funding on public transport and active transport. The Government is heading towards ... «3News NZ, jun 15»
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... in Brunswick would give more than 80 children from Northcote zoned to attend Brunswick East Primary School a safe active transport option. «Herald Sun, jun 15»
City identifies locations for crosswalk upgrades
In keeping with the city's strategy to make Edmonton's streets more friendly to various modes of active transport – such as bicycling and walking ... «Edmonton Sun, jun 15»
Drink Up: 4 Unexpected Ingredients With Health Benefits
... of iron, which carries oxygen from the lungs throughout our bodies, and magnesium, which plays a role in the active transport of calcium and ... «Tech Times, jun 15»
Climate Changes May Eradicate 50 Years Of World Health Progress …
... heat and power generation in health facilities, decentralisation of care and promotion of active transport, and low-carbon healthy lifestyles. «CleanTechnica, jun 15»