The answer is B: 60 and 80
D. Your program can receive tax-deductible donations and contributions.
Answer:
The correct answer will be- to provide smooth surface at the ends of synovial joint.
Explanation:
Articular cartilage is the white smooth tissue present at the end of the bones which covers the bones at the joints. The articular cartilage is devoid of the nerves, blood vessels and lymphatics but is exposed to the biochemical environment.
The cartilage at the joint helps in the movement of the bones by reducing the friction produced by gliding or sliding of the bones over each other.
Thus, to provide a smooth surface at the ends of synovial joint is the correct answer.
Answer:
The DNA of the egg cell.
Explanation:
Mutation may be defined as the inheritable, sudden change in the DNA sequence of the organism that can produce a specific genotype and phenotype in an individual.
Germ line mutation may pass from parents to their offspring. The female wasp after one year locates the prey by smell. This mutation must have occurred in the DNA of the egg cells. This mutation has been pass down to the female offspring and appeared in the population.
