The basic number of chromosomes is designated by 2n and is also called somatic number. In normal human karyotype, the somatic number is 46, so 2n = 46. Human karyotype is also composed of 22 autosomes.
The plant reproduced asexually when cut off the the stem.
Answer:
A geologist is someone who is involved in the study of the outer layer of the earth's crust. A paleontologist, on the other hand, looks at fossil remains on many types of organisms on the earth's surface. Paleontology is the study of primitive life, including plant and animal organisms, fungi, bacteria, etc
Answer:
A substance will enter into a cell through diffusion if a concentration gradient is present. The process of diffusion will only occur if the concentration of a substance is higher outside the cell as compared to the inside of the cell. Diffusion is the movement of particles along the concentration gradient i.e from an area of higher concentration to an area of lower concentration.
The movement of molecules against a concentration gradient is termed as active transport.
