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Answered 2008-05-06 07:10:41

Yes. Hormones may stimulate the reversible covalent modification of an enzyme via phosphorylation or dephosphorylation and alter the activity of the molecule.

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It is generally agreed that hormones?

Alter the enzyme activity in cells.


What modify the rate of enzyme activity?

cells modify the rate of enzyme activity.


What modifies the rate of enzyme activity?

cells


How do cells regulate enzymes?

There are two ways wherein cells regulate the activity of enzymes. These involve controlling the amount of the enzyme and controlling the activity level of the enzyme.


What do inhibitors do to the enzyme activity?

The inhibitors get the white blood cells,and make red blood cells.Doing this helps the enzyme activity.


How do most cells regulate the activity of an enzyme?

Enzyme speeds up the chemical reaction. So, it would speed the cells for life and live.


What are the hormones that regulate activity of B cells and T cells and enhance nonspecific defence?

interleukins


What are the general functions of hormones?

Hormones are chemical messengers produced by cells that bind to receptors on the plasma membrane of other cells or enter other cells and alter the metabolic function of these cells.Examples of altered metabolic function:Alter plasma membrane permeability by opening or closing gated ion channels,Stimulate the synthesis of proteins, more specifically enzymes,Activate or deactivate enzymes that are already made,Induce secretory activity,Stimulate cell division


Which factor is least likely to influence the rate of enzyme activity in cells?

false


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.


Why is respiration rate closely linked to enzyme activity in the cells of an organism?

They have buttsex with each other


Peroxidase is an enzyme that breaks down hydrogen peroxide in cells It accomplishes this because of its structure What part of the enzyme is involved in catalytic activity?

active site


What membrane proteins is responsible for binding hormones that can trigger changes in the cells activity?

receptor proteins


How do cells regulate the activity of an enzyme?

Cells regulate enzyme activity through two methods: allosteric inhibition and competitive inhibition. Allosteric inhibition is when something (an ion, an organic chemical, etc.) bonds to a site on the enzyme (not on the active site), and changes the shape of the enzyme. Competitive inhibition is when something (an ion, an organic chemical, etc.) enters the active site so that the true substrate cannot enter into the enzyme to have a reaction.


How do cells regulate enzyme activity?

Most cells contain proteins that help turn key enzymes "on" or "off" at critical stages in the life of the cell.


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.


How do most cells regulate the activity of enzymes?

Cells regulate enzyme activity through 2 methods; allosteric inhibition and competitive inhibition. Allosteric inhibition is when something (Ion, organic chemical, etc) bonds to a site on the enzyme ( not on the active site) and that changes the shape of an enzyme. Competitive inhibition is when something (ion, organic chemical, etc) enters the active site so that the true substrate cannot enter into the enzyme to have a reaction.


How are neurotransmiters removed from the synaptic cleft?

Diffusion, enzyme activity, uptake by glial cells and sometimes they are up-taken by the synapses.


What type of cells are hormones?

Hormones are not cells but chemicals released by cells to affect changes in other cells.


Why do plant and animal cells respond differently and similarly to the same solutions?

Cellular activity is controlled by [solution bound] Hormones.


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.


How do most cells regulate the activity to enzymes?

They use inhibitors which can either be competitive or non-competitive. This essentially turns the enzyme on and off.


What is the effect of thyroid hormones on cells?

The effect of thyroid hormones on the cells of the body is regulation of metabolism of those cells.


How do hormones interact with cells?

Hormones interact with cells all over the body. Hormones are first produced by the thyroid gland and work with cells in the endocrine system in the body.


How do endocrine glands communicate with cells?

endocrine glands secrete hormones into the bloodstream and these hormones reach cells and impact these cells.


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