<u>Answer:</u>
<em>If 100 million atoms are stretched placing each atom side by side, it will make a length of 1cm long. Thus a 100 million atom stretch would be 1cm wide. </em>
<u>Explanation:</u>
The size of atom is very small. Although <em>stretching atoms </em>side by side and stretching it consisting of 100 million atoms is physically impossible, it has been scientifically proven that the<em> 100 million atoms</em> would make 1 cm long width.
The calculation is based upon the average diameter of the atom. If we multiply the <em>average diameter of atom 100 million</em> times then the result will be 1cm.
Answer:
<u><em>The above statement is true.</em></u>
Explanation:
A proto-oncogene can be described as a gene which is normal but if mutation occurs then it can be converted into a cancerous gene. Proto oncogenes have different functions to perform. Some of them act as signals for cell division while others might be involved in the process of apoptosis. A point mutation can be described as a mutation by which just a single nucleotide gets changed. Even a change in the single nucleotide can cause a proto oncogene to convert into an oncogene and cause cancer.
Answer:
e. attachment -> entry -> replication -> assembly -> budding
Explanation:
The viral life cycle starts with its attachment to the host cell and is also called adsorption. Adsorption is followed by the entry of the genome or nucleocapsid of the virus into the host cell. One inside the host cell, the viral gene expression occurs. Synthesis of viral nucleic acid occurs by the process of replication.
Transcription and translation of viral mRNA form viral proteins using the host cell enzymatic machinery. The newly formed coat proteins and nucleic acid molecules are assembled to form new nucleocapsids which are then released from the host cell. Budding is one of the processes that release the virions from the host cell.
The commonly used site to feel a pulse is radial artery on the wrist, the point where radial artery approaches the wrist present at the middle of wrist.
When we placed our fingers in the middle of wrist, we can feel the pulse wave. That is 72 beats per minutes. The radial artery is the site of insertion of the arterial line, for monitoring the blood pressure. It is selected because it is accessible due to the low incidence of the complications such as thrombosis.
The pressure of the blood is always high in the arteries comparative to the veins, usually arteries are present deep in the body, the radial artery in only artery that approaches the skin. Hence, it is used to monitoring the pulses.
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