Actin is a family of globular multi-functional proteins that form microfilaments. It is
found in .... Straub suggested that the transformation of ATP-bound actin to ADP-
bound ... during the followin...
E) nearly all of their cells are in direct contact with the external environment. ... left
toe is exhaled from your nose, it must pass through all of the following except ....
Which of the following membrane activities require energy from ATP hydrolysis?
11) All of the following molecules are part of the cell membrane except ..... 47) All
of the following membrane activities require energy from ATP hydrolysis except
We turn now to the ATP-powered pumps that transport ions and various small ...
All members of the large ABC superfamily of proteins contain four core domains:
... cells by using the energy released by ATP hydrolysis to pump protons from the
.... the SR membrane can supplement the activity of the plasma-membrane pump,
1.4.1 Cell Membranes; 1.4.2 Protein and Cholesterol; 1.4.3 Passive Transport ...
All physiological processes, disease, growth and development can be .... against
a gradient and requires the expenditure of energy, usually in the form of ATP. ....
to physically separate the various metabolic activities that occur within cells.
Energy-carrying molecule found in the cells of all living things. ... would not occur
automatically; to transport needed substances across membranes; and to ...
which occurs through the addition of a water molecule (a process called
hydrolysis). ... couple the release of energy from ATP to cellular activities that
In order to function, every machine requires specific parts such as screws, ... ATP,
which in turn powers virtually every activity of the cell and organism. ... As far as
known, all organisms from the simplest bacteria to humans use ATP as their ...
the energy of ATP is readily released when ATP is hydrolyzed in cellular
to energy transfer reactions in their membranes. ... role of ATP' and of ATPase
activity in the control of chloroplast .... hydrolysis, ATP (2.5 mM); for synthesis,
ADP (2 mM) + KHzP04 ... except where indicated otherwise. .... requires the
presence of lipoic acid, PMS, or MgCl2. ... The rate of the all dark reaction was
Except for the case of Bdellovibrio bacteriovarus  nucleotides were found to be
... from the finding of photophosphorylation of exogenous ADP to ATP by heavy ...
1.5 ml at 30 C. NTPase activity was assayed in a medium containing .... of
nucleotide translocation as a physiological energy transfer system requires that ...
Enhanced rates of ATP hydrolysis and P,-ATP exchange can be obtained without
... Addition ofADPto activated chloroplasts membranes before ATP, the ... Pi-ATP
exchange, ATPase and [ 'H]ADP binding activities were all assayed ... The
reaction mixtures contained the following labeled compounds: for Pj-ATP