Answer:
Option B, atom - molecule - organelle - cell - tissue
Explanation:
Atom is the smallest unit in any living being structure. A group of atoms combines to form molecules. A group of molecules combine to form an organelle. An organelle is a small cellular structure that is found with in a cell. Thus specific group of organelles grouped together form cells. A group of cells arranged in specific manner and specialized in specific function forms the tissue.
Hence, option B is correct.
Answer:
The correct option is D. Thermophiles and Hyper thermophiles would be the bacterias whose enzymes would not function at 12 degrees celsius.
Explanation:
A thermophile is an organism that is acquired to live in raised temperatures and heated environments. These organisms can survive in a temperature range between 41 degrees Celsius to 121 degrees Celsius.
An hyper thermophile is an organism that is adapted to live in even more extreme heat conditions then the thermophiles.
These organisms cannot stand cold conditions and hence their enzymes would not function at 12 degrees celsius.
Transposable elements and short tandem repeats are different because short tandem repeats make up only a small percentage of a given genome while transposable elements often make up larger parts of a genome. So the correct option is C.
<h3>
What are transposable elements? </h3>
Transposable elements or transposons are a class of genetic elements. They can “jump” from one location to another, in a genome.
Even though they are called “jumping genes,” they have an integrated site in a genome and are maintained there. Also, most of them are eventually inactivated and can not move any longer.
Whereas Short tandem repeats or STRs are short repeats of DNA. They are also known as microsatellites or simple sequence repeats. They have a repetitive unit of 1-6 bp and form a series of 100 nucleotide lengths.
Therefore the correct option C.
Read more about transposons, here
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Answer:
add fur or fat to increase insulation
Explanation:
The endothermic animals are the animals that have developed an internal heating mechanism. This basically means that these animals do not depend on their environment for heat, but instead they produce it themselves. In order to be able to better produce their energy and keep it, these animals have developed traits that help them to increase the insulation, such as gaining on fat, fur, or feathers. The mammals are a prime example of endothermic animals, which is why they are successful in any type of environment.
Answer:
The answer would be the element helium.
Explanation:
The helium has 2 protons and 2 nuetrons in the atom, therefore giving it the atomic number of 2.