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It is generally agreed that hormones?
Alter the enzyme activity in cells.
Four ways hormones may alter cellular activity?
1) Change in membrane permeability and/or voltage 2) Enzyme activation/inactivation 3) Initiation of secretory activity 4) Synthesis of regulatory molecules such as enzymes
What are cells formed of?
Enzyme activity, osmosis, and diffusion
What modify's the rate of enzyme activity.?
Several factors affect the rate at which enzymatic reactions proceed - temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activator
How do cells regulate enzymes?
Cells regulate enzymes through various mechanisms such as allosteric regulation, post-translational modifications (e.g. phosphorylation, acetylation), and gene expression control. Allosteric regulation involves molecules binding to specific sites on enzymes to alter their activity. Post-translational modifications can activate or inhibit enzymes by changing their structure or function. Gene expression control involves regulating the amount of enzyme produced by the cell.
Can the endocrine system affect cells?
Yes, the endocrine system can affect cells. By secreting hormones into the bloodstream, the endocrine system sends chemical messengers to cells that alter their function.
What happens when HPRT is missing?
Absence of the HPRT enzyme activity is also thought to alter the chemistry of certain parts of the brain, such as the basal ganglia, affecting neurotransmitters (chemicals used for communication between nerve cells), acids, and other chemicals.
How do most cells regulate the activity of enzymes?
Enzyme speeds up the chemical reaction. So, it would speed the cells for life and live.
What are cofactors in cells and what are they derived from?
Cofactors are nonprotein additions that are needed for enzyme activity. Cofactors are derived from vitamins and minerals.
What is the specific cells in the body to which hormones convey information?
Hormones convey information to target cells in the body. These cells have specific receptors that can bind to the hormone molecules, triggering a response or a change in cellular activity. Target cells are typically found in tissues or organs that are affected by the hormone.
Is myoglobin an enzyme?
No, myoglobin is not an enzyme. It is a protein that is responsible for binding and storing oxygen in muscle cells. Its main role is to facilitate the storage and release of oxygen to muscles during physical activity.
What test is performed on an individual with symptoms of Krabbe disease?
The most specific test is done by measuring the level of GALC enzyme activity in blood cells or skin cells.
