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Does DNA directly controls protein synthesis?
When protein synthesis must take place, the code to make the protein is on the DNA in the nucleus but the protein is made at a ribosomal site in the cytoplasm. The code is copied from the DNA by a special molecule called messenger RNA (mRNA) which leaves the nucleus through a pore to go to the ribosome.
How do you stop protein synthesis?
Protein synthesis can be stopped by blocking translation, primarily by inhibiting the functions of ribosomes or tRNA molecules in the cell. For example, antibiotics like puromycin can prematurely terminate protein synthesis by mimicking the structure of aminoacyl-tRNA and binding to the A site on the ribosome. Additionally, certain drugs or compounds can target key components of the translation machinery to halt protein synthesis.
How can one hormone molecule lead to the synthesis of thousands of enzyme molecules?
The mechanism through which a single hormone molecule triggers the generation of thousands to millions of enzyme molecules is called biological signal transductionThis process begins with a hormone molecule binding to its receptor on the surface of a cell. Following this, there is a signal generated.Inmolecular biology, asignal is said to be generated when a certain inter-cellular or membrane-bound protein becomes phosphorylated and triggers further downstream events.The ultimate result (or the end step) ofthis signal transduction pathwayis to up-regulate thetranscription of a specific enzyme-coding gene. When many copies of thisgene are transcribed,several molecules of the enzymeswill be produces.
Which part of the plant cell stores information about making protein?
The nucleus is the part of the plant cell that stores information in the form of DNA for making proteins. The DNA is transcribed into messenger RNA (mRNA) which is then used as a template for protein synthesis by ribosomes in the cytoplasm.
How does dna molecule control the activities of a cell?
DNA contains the 'blueprints' used to create all the products of a cell. It provides instructions for cell activities. Depending on the cell environment, certain genes will be switched on or off. This causes or restricts the creation of certain enzymes, etc. - thus controlling the functions of the cell.
Does DNA directly controls protein synthesis?
When protein synthesis must take place, the code to make the protein is on the DNA in the nucleus but the protein is made at a ribosomal site in the cytoplasm. The code is copied from the DNA by a special molecule called messenger RNA (mRNA) which leaves the nucleus through a pore to go to the ribosome.
What is maintenance of the pH of human blood within a certain range known as?
synthesis
What chemical messenger has specific regulatory effects on certain cells?
Hormones and neurotransmitters
What does a Lewis dot show?
Lewis dot structures show how an atom's electrons work together in a certain molecule. They also show what a certain molecule will look like.
What term descrives a substance that is made when two or more different atoms bond together in a certain ratio?
The smallest such substance is a molecule, or a formula unit of an ionically bonded compound. Any amount of such a substance also satisfies the requirement given.
What can combine in a cell to convert a lower-energy molecule into a higher-energy molecule?
In a cell, the process of converting a lower-energy molecule into a higher-energy molecule typically involves the combination of substrates with energy-rich molecules such as ATP (adenosine triphosphate). Enzymes facilitate these biochemical reactions, often coupling the energy released from ATP hydrolysis to drive the synthesis of higher-energy compounds. Additionally, electron carriers like NADH or FADH2 may participate in redox reactions to help elevate the energy state of certain molecules.
Does a chemical formula represent one molecule of a certain compound?
Yes
Can salt be a antigens?
An antigen has to be a protein or molecule of a certain and complex size. NaCl, table salt, is not large enough of a molecule to be an antigen.
What is chernosynthesis?
Synthesis of carbohydrates from carbon dioxide and water using energy obtained by chemical oxidation of simple inorganic compounds. This form of synthesis is limited to certain type of bacteria and fungi.
What has the author Helen Althea Messenger written?
Helen Althea Messenger has written: 'The significance of certain critical potentials of mercury in terms of metastable atoms and radiation' -- subject(s): Electric discharges, Mercury
Why is copper placed where it is on the periodic table?
cause it has a certain type of molecule setting
Aspirin works to reduce the symptoms of infection or pain by retarding the synthesis of?
Certain Eicosanoids--M.S. Exercise Physiology
