Answer:
its "C"
Explanation:
On our planet we can survive thanks to a layer of different composition of gases that surrounds the whole Earth. This layer remains on Earth thanks to gravity. It is the earth's atmosphere, and it is difficult to determine exactly its thickness, since the gases that make it up become less dense with height, until they practically disappear a few hundred kilometers from the surface.
The atmosphere fulfills various functions for life on the planet and without it we would not be able to have life as we know it.
The answer is student 1.
Student 1 said that RNA is not deoxyribose but ribose. Student 1 also noted that RNA do not contain thymine but contains Uracil.. It is very obvious that student 1 correctly noted the characteristics of an RNA.
NOTE: In RNA, the pentose sugar is ribose and not deoxyribose. <span>RNA contains uracil in place of thymine.</span>
<span>See attached file for the table.</span>
Answer:
A. Protein Spikes
Explanation:
A viruses are defined as the quintessential parasites in the living world. They are a chain of the nucleic acids that lives in a host cell. Without the host cell, all the viruses cannot carry out their life sustaining activities or functions. They are always housed in a protein layer or a protein coat. All the viruses contains the RNA or the DNA. The protein spikes which is on the outside of a virus are "sticky" and they are attracted to the specific molecules of the outside of an animal cells.
A whale has 9 body parts the Blowhole, Dorsal fin, Ear, Eye, Flipper, Flukes, Mammary glands and the rostrum and the blue whale has 356 bones.
Answer:
Humans get the energy and matter they need to survive from the food they eat. The foods humans eat contain carbohydrates, vitamins, and protein. All of those components are broken down by the human body with the aid of digestion.
