The answer is B) Chromatids of homologous chromosomes exchange corresponding segments.
The crossover of chromosomes is the exchange of genetic material between homologous chromosomes. Homologous chromosomes are present in the meiosis I, but not in meiosis the II. After pairing up of in the prophase I, homologous chromosomes are able to exchange some corresponding segments and a cross-over occurs. Thanks to the cross-over event, each chromosome will have a new combination of genes. Without this, parents will produce gametes with only two different gene combinations.
Answer:
Production of antibodies by lymphocytes
Explanation:
Non specific immunity to disease refers to those immune cells that protect the body from bacterias, viruses, and pathogens that is they respond to more than one antigen compared to specific immunity to disease.
Production of antibodies by lymphocytes is an example of nonspecific immunity to disease. This is because antibodies produce help fights bacteria, pathogens and viruses. It is non specific.
Answer:
A. They would no longer be able to photosynthesize because carbon dioxide is a reactant in the process.
Explanation:
Carbon dioxide is needed for plants to photosynthesize to be able to exchange gases as they will take in carbon dioxide from the atmosphere and give out oxygen into the surroundings.
Answer:
The correct answer would be option B
.
Photosynthesis and cellular respiration are complementary in nature as they produce substrates for each other.
Photosynthesis is the process by which plants or photoautotrophs like green plants, grass et cetera make their food or glucose from simple compounds like carbon dioxide and water in presence of sunlight and chlorophyll.
The oxygen is released as the byproduct.
6 CO₂ + 6 H₂O + solar energy → C₆H₁₂O₆ + 6 O₂
In contrast, the animals or consumers such as cow use these products (glucose and oxygen) to produce energy in the form of ATP through the process of cellular respiration.
Carbon dioxide and water are released as the waste product of the process.
C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O + energy (ATP)
Answer:
The answer is day 14 - / + 3 days
Explanation:
In a 28-day menstrual cycle the most likely days for a woman to become pregnant is from day 14 - / + 3 days, that is, days 11, 12, 13, 14, 15 and 16. She should be educated, If she is in search of pregnancy, take the vaginal temperature and realize how the viscosity of the abundant flow begins to present.
