Answer:
B. growth of cell and replication of DNA
Explanation:
Answer:
sinusitis
Explanation:
Sinusitis is defined as the swelling or inflammation of the linings of the tissue of sinuses. It is a condition where the cavities where the nasal cavities swells up.
The healthy nasal cavity or sinuses are always filled with air. But sometimes they get blocked and then they are filled with a fluid where bacteria germs grow and causes infection. This causes swelling up of sinuses cavities and a lot of pain is experienced by the person.
Other symptoms are runny nose, headache, nasal congestion and facial pain.
Answer:
Is composed of trabeculae that are oriented along lines of stress. (Ans. D)
Explanation:
Spongy bones are also known as trabecular and cancellous bones. It is covered by compact bones and present in the long bones. They are known as spongy because they are highly vascular and porous tissues.
Osteoblast thin area creating the turbeculae space between the tissues. Spongy bones are also known for home of hematopoietic stem cells and bone marrow, which are helping to differentiate white blood cells, red blood cells, and platelets.
Some difference between spongy bone and compact bone are:
1) Spongy bones are light weight and compact bones are heavy.
2) Spongy bones are composed of trabeculae and compact bones are composed of osteons.
3) Spongy bones are known as cancellous and compact bones are known as cortical bones.
Answer:
The correct option is <em>B) Only triazine-resistant weeds survived and reproduced, so each year more pigweed was triazine-resistant.</em>
Explanation:
With time, the pigweed became resistant to triazine. As we know, according to the theory of natural selection only those species are able to survive and reproduce which are better adapted to live in an environment and adapt to the environmental changes. As the triazine- resistant weeds were better adapted survive and reproduce in the area, it began passing its resistant genes to offsprings. As a result, the population of the pigweed increases.
