What are the major organelles in a cell? What are their functions? Red blood cells (Erythrocytes) have no nuclei, mitochondria, or other organelles when they are mature. These organelles are ejected when the erythrocyte enters the bloodstream or shortly after. Should erythrocytes ...
It is surrounded by a nuclear membrane that is porous and allows for small molecules to pass directly through. Answer and Explanation: Prokaryotic cells lack D. All of these. Prokaryotes are smaller than eukaryotes and do not contain any membrane-boun...
Plant nuclear gene knockout reveals a role in plastid division for the homolog of the bacterial cell division protein FtsZ, an ancestral tubulin Little is known about the division of eukaryotic cell organelles and up to now neither in animals nor in plants has a gene product been shown to med...
Vimentin plays an important role in supporting the intracellular organelles, especially the nucleus, with filaments extending from the nuclear periphery to the cell membrane, anchoring the nucleus in the cytoplasm of the cells [14]. Notwithstanding, in non-erythroid cells, vimentin’s role in ...
Autophagy is present in cells at a basal level but it is also activated at a higher level as a response to stress1,2. Upon autophagy induction, an isolation membrane (phagophore) sequesters a small portion of the cytoplasm, including soluble materials and organelles, to form the autophagosome...
Here we will focus on three examples of infections that are important in pregnancy and early childhood: SARS-CoV-2 virus, Zika virus, and Mycoplasma species. The basic structural characteristics of these infectious agents will be examined, along with their general pathogenic mechanisms. Coronavirus ...
There are a variety of cells involved in immune responses, each responsible for their own duties. However, these cells must work together for a comprehensive response. Answer and Explanation: Antigen presenting cells engulf a pathogen...
Answer to: 1. These subatomic particles have a positive charge. 2. These subatomic particles have a negative charge. By signing up, you'll get...
Viral organisms are exceptional entities that behave like living organisms inside an appropriate host, and when outside the host body are inanimate objects. They do not need energy as they remain lifeless outside the prokaryotic or eukaryotic cell. ...
Tissues are cells of different types coexisting and working with each other to maintain their environment and structure, which is the tissue. Given that there are various types of cells in the body, there must also be various types of tissues, which is true....