Answer:
Tetanus patients exhibit <u>opisthotonos</u> when muscle spasms cause them to arch their backs.
Explanation:
Tetanus is a bacterial infection caused by the bacterium Clostridium tetani The disease causing bacteria is found in dust, manure soil and saliva. This infection is characterized by muscle spasms that start at the jaw and progress to rest of the muscles of the body.
Tetanus patients may also exhibit extreme arched pose due to severe muscle spasms. This state of hyperextension and spasticity is known as opisthotonus.
Answer:
When you think about it - this is a similar case that happens in our species as well. You have groups of people who want to emigrate to different countries in hope for better grassland.
They emigrate but are immigrants from the perspective of the grassland where they will be.
Amino acids are the building blocks of proteins. There are 20 of them in existence. For this item, we are to identify the number of different proteins that can be formed.
In the first position in the sequence, we can have 20 amino acids. Then, because one of which was already used for the first position, 19 amino acids can still be written in the second place. This goes on, and the number of proteins can be calculated as follow,
number of proteins = 20 x 19 x 18 x 17 x 16 x 15
number of proteins = 27,907,200
<em>ANSWER: 27, 907, 200 proteins</em>
Answer:
The correct answer is option d. "India was a separate continent until 45 million years ago".
Explanation:
135 million years ago, Pangea was a single continent that became separated into Laurasia in the north and Gondwana in the south. India was part of Gondwana along with Australia, South America, Antarctica and Africa. However, as a result of tectonic activity India got separated from Gondwana. This period of time at which India was a separated continent is the factor that most likely explains why animals and plants in India differ greatly from species in nearby southeast Asia. At being a separated continent, India's plants and animals go through an independent evolutionary process which made them very different an unique from nearby species.
Assuming this is a blank free fill question, a whole prehistoric insect could be found trapped in amber.