Viruses don't make their own proteins because they are not cells. A virus is a nucleic acid enclosed in a protein coat, and does not contain organelles. Bacteriophages, viruses that target bacteria as a host, inject their genetic material into the host bacterial cell. Therefore, cells don't even need proteins, (not including their protein coat) so they do not make them.
*Keep in mind that since there are no organelles, there are no ribosomes for the RNA (ribonucleic-acid) to deliver the coded message and amino acids to.
Answer:
Because viruses do not have their own cellular mechinary. They lack enzymes for replication of DNA and to produce their protein.
Explanation:
An organism whose internal temperature may vary considerably.
An organism that maintains a constant internal temperature.
A. endotherm
B. homeotherm
C. ectotherm
D. poikilotherm
Answer:
An organism that regulates it's temperature internally is the Ectotherm
Some of the major difference in the digestive system of Cnidarians and echinoderm are
Cnidarians have an incomplete digestive system specifically extracellular digestion occur, where enzymes break down the food particles are degraded by enzymes and absorption occur in its gastrovascular cavity.
While in echinoderms, the digestive system may vary depending on types of species and need of their food types.
They use of tube feet to reach to their food sources and move their mouth area toward the food. Their digestive system relatively simple when compare with human.
In Cnidaria only have gastrovascular cavity, diploblastic, presence of stinging cell, Hydrostatic skeleton etc.
In Echinoderm have triploblastic, water vascular system with unique characteristics, calcareous endoskeleton etc.
Echinoderms have no excretory or respiratory systems.
Learn more about echinoderm, here:
#SPJ2
Answer:
Jansky Very Large Array
Explanation:
It Is most powerful telescope on Earth and is located on the plains of San Agustin near Socorro, New Mexico, US. This telescope consist of 25 antennas whose collective ares is equal to a single 430 foot antenna. The angular resolution is equal to an antenna of 22 miles in diameter. It is also possible to adjust its arms to change its resolutions. There is receiver in each antenna that can operate from wavelength range of 4 mm to 7 metres. National Radio Astronomy Observatory is in charge of this telescope.
The pathway that uses fat reserves to produce ATP is called lipolysis. It involves the breakdown of triglycerides into fatty acids and glycerol, which are then processed to generate ATP.
The pathway that uses fat reserves to produce ATP is called lipolysis. During lipolysis, triglycerides are broken down into fatty acids and glycerol. The fatty acids are then oxidized through a process called β-oxidation to produce acetyl CoA, which enters the Krebs cycle to generate ATP.
This pathway is used when glucose levels are low and provides a significant amount of energy for the human body. Thus, Lipolysis is the biological process by which triglycerides (fats) are broken down into glycerol and fatty acids, releasing stored energy for cellular use, particularly during periods of energy demand.
#SPJ6