Answer:
The correct answer is: Nuclease (DNAse or RNAse).
Explanation:
- Virus particles are majorly made up of two components:
- Capsid: It can be defined as a glyco-protein rich coat that encloses the viral particles.
- Genetic material: It can be DNA (Deoxyribonucleic Acid) or RNA (Ribonucleic Acid). It can be either in the form of single strand or in the form of double strand.
- The genetic material is the infectious component of the viruses. This is because if the viral genetic material gets access into the host cell, it can hijack the host cell machinery to produce new viral particles thereby causing infection in the host.
- Therefore, in order to destroy viral particles it is necessary to destroy its genetic material, that is, DNA or RNA.
- Nuclease is the enzyme which is capable of hydrolysing and hence degrading the nucleic acids.
- The nuclease specific for DNA is called DNase.
- The nuclease specific for RNA is called RNase.
- Depending upon the type of virus, DNA virus (having DNA as the genetic material) or RNA virus (having RNA as the genetic material), either DNAse or RNAse needs to be used for destroying the virus.
Answer:
The intracellular molecule produced by the receptor ligand complex is called Second messenger.
Explanation:
Receptors are membrane bound proteins which bind to the ligands which are also called first messengers and cause cellular changes. These intracellular changes are mediated by second messengers such as proliferation, differentiation, migration, apoptosis, transcription, contractions etc. They are specific for specific first messengers such as homones and growth factors. They relay the signals between the ligands to their target molecules in the cytosol or nucleus. Most common second messengers are cAMP, cGMP, DAG, IP3.
Signal amplification by second messenger can be explained by the example of IP3 which cayses the release of Calcium ions from the intracellular stores and cause contractions.
Answer:
A.Forming a hypothesis to test by using a telescope
Explanation:
If that answer is wrong I am truly sorry I had a similar question to what I have and that was my answer.
According to the Richter scale, a reading of 2.0 would cause damage if it lingers for a longer time.