How does bacteria maintain homeostasis? Living Things: It's difficult to define exactly what life is. That's why scientists have a set of criteria to help determine what is alive and what is not. Living things must use energy, grow and reproduce, and maintain homeostasis. ...
Where in a eukaryotic cell does cellular respiration occur? A. Mitochondrion B. Cytosol C. Nucleus D. Chloroplast E. Endoplasmic reticulum What organisms carry out cellular respiration? How do bacteria, which by definition lack mitochondria, carry out cellular respiration? During cellular respiration,...
the nucleus is located inthe central region of the cell. In a plant cell, the nucleus is located more on the periphery due to the large water-filled vacuole in the center of the cell.
a Prokaryotes are single-cell organisms, such as bacteria, that have no real nucleus and do not contain membrane-enclosed organelles. Eukaryotes, such as algae, fungi and protozoa, have a real nucleus and membrane-enclosed organelles. Viruses are tiny, complex molecules composed of protein and nu...
Fragments of peptidoglycans, from the cell walls of Gram-positive bacteria, that are thought to have a crucial role in the generation of the immune response to Gram-positive bacterial infection. LIPOPOLYSACCHARIDE A constituent of the cell walls of Gram-negative bacteria that is thought to be imp...
Many question, “What does the Cell cycle have to do with cancer?”The cell cycle is a process in which cells develop and go on to divide.The cell cycle lies in the metaphorical heart of cancer. The cell cycle is a series of pathways by which a cell is signaled and continues to grow...
People may live with this inactive virus for years and never have any more symptoms. 467 Words 2 Pages Decent Essays Read More Herpes Zoster Research Paper These virus replicates in the cell nucleus. The cell mediated immunity plays a role in preventing the replication and controlling the ...
a previously characterized set of eukaryotic signature proteins (ESPs). ESPs are found in a eukaryotic cell, whether from an animal, a plant, a fungus, or a protozoan, but are not found in the Archaea and the Bacteria. We demonstrated that 85% of the ESPs have significant sequence ...
Protects and supports Found only in plants, algae, fungi, and bacteria Lies outside cell membrane; provides rigidity Composed of cellulose (polysaccaride) Plastids are organelles that are surrounded by a double membrane and contain their own DNA Chromoplasts: contai...
This is being continuously produced by the earth’s metabolism and, through the food chain, by plants, animals, bacteria and even insects. But, at some point, some of these molecules may become colliding with one another causing an excess of carbon dioxide to be produced and thus causing the...