Topsoil (horizon A):Very rich in humus(dead organic matter like plants) and minerals.
Subsoil (horizon B):less rich in humus and minerals
Weathered Rock (horizon C):Little or no plant life due to it being all rock
Hope this helps :)
Answer:
The complement system is a <u>biological</u> barrier of the immune system.
Explanation:The answer is biological for edgeunity
Answer:
The given statement is false.
Explanation:
Microfilaments refer to the solid rods formed of a protein called actin. Microfilaments are also considered as actin filaments. It is found in all the cells of eukaryotes, the microfilaments are mainly structural in function and are an essential constituent of the cytoskeleton, along with intermediate filaments and microtubules.
Microfilaments vary from 5 to 9 nm in diameter and are developed to withstand huge amounts of tension. With myosin, microfilaments assist in generating the forces used in basic cell motions and cellular contraction. The microfilaments also allow a differentiating cell to separate into two cells and also take part in amoeboid movements of some kind of cells.
The correct answer is letter A. The DNA in mitochondria is passes from mother to child in the nucleus of a cell. The s<span>tatement that accurately describes how identification of individuals through the use of genetic engineering is possible is that t</span>he DNA in mitochondria is passed from mother to child in the nucleus.
