The correct option is C.
Both DNA and RNA are made up of four nitrogenous bases. The nitrogenous bases that are found in DNA are adenine, guanine, cytosine and thymine. The nitrogenous bases that are found in RNA are adenine, guanine, cytosine and uracil.
Answer:
4. Microorganism
Explanation:
Wind, Salinity, Soil moisture are abiotic factors, non living things.
A cell membrane pump helps human cells to maintain a relatively constant sodium and potassium concentration.
<u>Option: A</u>
<u>Explanation:</u>
Sodium potassium pump is a plasma membrane protein that utilizes energy ATP — Triphosphate Adenosine turning into ADP — Adenosine Diphosphate to deliver intracellular and extracellular sodium (NA+) and potassium (K+) ions sequentially. The purpose of this entire mechanism is to preserve cell equilibrium.
The extracellular medium has a greater concentration of Na while the K concentration of the intracellular fluid is lower. Proteins trap sodium ions in the cytoplasm and pump them out from the cells to preserve cell stability while preserving concentrations. Within the cells proteins inject potassium ions into the cell.
Answer:
Facultative anaerobe
Explanation:
A facultative anaerobe is an organism that commonly grow in the presence of oxygen and use aerobic process to form ATP and to gain energy but they can also grow in the anaerobic condition by getting energy from fermentation process.
As anaerobic condition is not the perfect condition in which facultative anaerobe wants to grow because they prefer more to grow in aerobic conditions, therefore, their growth is not that much high in anaerobic condition as compared to aerobic conditions.
Therefore they show moderate growth in the culture present in candle jar and anaerobic jar because oxygen is absent there but show heavy growth in the culture present in a standard incubator because of the presence of aerobic condition here.
