Answer:
Chromatin is a substance within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions. The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus. Chromatin structure plays a key role in regulating gene expression by allowing DNA accessibility to transcriptional machinery and transcription factors.
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D. The data for the average heights of the plants in trials 1 and 3 contains errors
Explanation: Please double check my answer.
Answer:
Bone pain is associated with leukemia because large number of cancer cells are present in the bone marrow.
Explanation:
Leukemia may be defined as the cancer of blood cells. This cancer generally starts in the bone marrow and leads to uncontrolled division of the cell.
An individual suffering from leukemia may experience bone or joint pain. Bone pain is more common in lymphoblastic leukemia. The bone pain is mainly caused by the uncontrolled growth of cancer cell in the bone marrow.
The term that refers to the knowledge that the quantity of a substance is entirely unrelated to their arrangement and physical appearance is known as conservation. This includes the number, mass, length, weight, area, and volume of the objects. Based on this knowledge, one can say that the substance's appearances can be deceiving when it comes to its quantity.
Hence, the answer is 'conservation'.
