Rachel is in the first stage of prenatal improvement. Even though she doesn't know it, she is in the germinal stage of prenatal development. The germinal period of development takes place in the first two weeks after the conception. The creation of the fertilized egg takes place in the germinal period of the prenatal development.
Answer:
A
Explanation:
Tilling agitates the topsoil and removes ‘unnecessary’ vegetation so the main crop can grow without competition. Tilling improves soil aeration and drainage for plants to grow well. Nonetheless, it can lead to other consequences such as soil erosion because it loosens the soil and makes it easy to be carried away by wind and water.
Lipase is for digesting lipids. Without them to break down lipids, the lipids in cells can’t be used as energy source. So I would say A.
Answer:
The combination of proteins, called nucleotides, that are arranged to make up an organism's chromosomes is called DNA.
Explanation:
DNA is organized, stored, in a structured way. These structures that DNA is organized into are called chromosomes. Chromosomes are structures inside the cell that contain genetic information. Each chromosome in our cells is made up of a DNA molecule, associated with RNA and proteins. DNA is a molecule present in almost all our cells that contains genetic information, made up of units called nucleotides, this molecule has the code that determines all the characteristics and functioning of an individual.
