Available oxygen
Available oxygen is the amount of oxygen present at a specific time that can be used in aerobic cellular respiration.
Aerobic cellular respiration is a metabolic process that occurs within the cells of organisms. In this process, oxygen is used in the mitochondria to chemically convert organic molecules such as glucose into adenosine triphosphate (ATP), with the release of water and carbon dioxide as waste products. Aerobic cellular respiration results in a larger amount of energy (ATP) which is used by the cell to perform its activities.
Q1. The answer is 53 chromosomes
Zebra has 44 diploid chromosomes (2n = 44). Zebra's gametes are haploid, so they will have 22 chromosomes (n = 22).
Donkey has 62 diploid chromosomes (2n = 62). Zebra's gametes are haploid, so they will have 31 chromosomes (n = 31).
After fusion of zebra's gamete (n = 22) and donkey's gamete (n = 31), the zonkey's zygote will have 22 + 31 = 53 chromosomes
Q2 and Q3. In the meiosis, the number of chromosomes is reduced by half. Since zonkey has 53 chromosomes, after meiosis it should have 53/2 chromosomes, which is not the whole number. This is the reason why they cannot produce normal gametes that will result, after the fusion, in the production of normal diploid zygote
Answer:
Option (a), (b) and (c)
Explanation:
At the old age, a person's immune system becomes weak and the person becomes more prone to diseases like influenza or common cold or flu.
These infections are more common at the age above 60 years where a severe condition of cold can also lead to Pneumonia.
Also those people which did not have the Tetanus vaccine at the age of 11 or 12 must have the Tetanus Tdap.
The lack of immunity to fight against seasonal changes make it necessary for the elderly people to get influenza vaccine.
Also Pneumonia vaccine provides protection against 23 types of pneumococcal bacteria thus it necessitates the vaccination of Pneumonia.
Water is the universal solvent.
water is called the "universal solvent" because it dissolves more substances than any other liquid and is found as a solvent in a variety of solutions.
