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The information in DNA is copied onto RNA.
Much RNA is messenger RNA (mRNA), which leaves the nucleus and while in the cytoplasm becomes attached to ribosomes. At the ribosomes, polypeptide chains are assembled (synthesized), and from these, proteins are made.
There are many other kinds of RNA, all synthesized using DNA as a template. One example is the family known as transfer RNAs (tRNAs), that carry specific amino acids to ribosomes for assembly into polypeptides.
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What hormones work by direct gene activation?
Steroid hormones such as estrogen, testosterone, and cortisol work by direct gene activation. These hormones can diffuse across the cell membrane, bind to intracellular receptors, and regulate gene expression by binding to specific DNA sequences. This process leads to changes in protein synthesis and cellular function.
Does direct gene activation involve a second-messenger system?
No, direct gene activation typically does not involve a second-messenger system. Direct gene activation involves specific transcription factors binding directly to gene promoter regions to regulate gene expression. Second-messenger systems are typically involved in signal transduction pathways that lead to changes in protein activity or cell function, rather than directly activating genes.
During protein synthesis messenger RNA what?
Messenger RNA molecules are fed through the ribosomes during protein synthesis.
If your skin comes into direct contact with an unknown material the first thing you should do is?
Immediately rinse the area with water to remove the unknown material from your skin. If the substance is a known irritant or hazardous chemical, consult a healthcare professional for further guidance on how to treat the exposure.
A stem cell differentiates by making what?
A stem cell differentiates by activating specific genes that direct its development into specialized cell types. This process involves epigenetic changes that determine which genes are turned on or off, leading to the formation of different cell types with specific functions.
What phase changes does not involve changing liquid to gas?
Solid to liquid.
What is called the direct transfer of heat from one substance to another substance that it is touching is called?
the direct transfer of heat from one substance to another substance that it is touching is called
Why is the direct transfer if heat from one substance to another substance that is touching?
The direct transfer of heat between two substances that are touching is conduction.
What is the direct transfer of heat from one substance to another substance that is touching called?
Conduction.
What is direct transfer of heat from one substance to another substance that is touching called?
conduction
What is the process of direct transfer from one substance to another touching substance?
The process of direct transfer of substance from one touching substance to another is called conduction. Heat or electricity can be transferred through conduction when two substances are in direct contact with each other. This transfer occurs due to the collision of particles within the substances.
What is it called when heat is transferred through a substance by the direct contact of molecules?
Conduction is the process by which heat is transferred through direct contact between adjacent molecules in a substance.
What is the direct transfer of heat from one substance to a another substance that is Touching?
It is known as: conduction.
Direct transfer of heat from from one substance to another?
Conduction
What are the two classifications for the changes that matter undergoes?
Physical changeschemical changesYou must understand that matter can be in any one of three PHYSICAL states, liquid, solid or vapor ( a gas ).Changing physical states is not a chemical change, but a direct result of heat or cold application.
Energy is transferred through matter by direct contact of particles by?
Conduction. This process involves the transfer of heat from a warmer substance to a cooler substance when they are in direct contact. The particles in the warmer substance transfer energy to the particles in the cooler substance through collisions, leading to an overall transfer of heat.
What is a direct cause of a substance's temperature increase?
The direct cause of a substance's temperature increase is the input of thermal energy, typically in the form of heat. This added energy increases the kinetic energy of the substance's molecules, causing them to move faster and leading to an increase in temperature.
