Answer:
the fundamental unit of heredity
Explanation:
DNA is a double stranded helix structure. Each strand is made up of a string of nucleotides.
A gene is a region of DNA, usually tens of thousands of nucleotides long. At the simplest level, one gene encodes for one trait. Therefore, the gene can be described as the fundamental unit of heredity.
Genes work by coding for specific proteins, which carry out essentially all the functions in the cell.
Answer:
Karyogram of a male with Down syndrome.
Because water is a polar molecule, it makes an excellent solvent for polar and ionic compounds found within cells and tissues.
Answer:
bones
Explanation:
other parts such as skin etc is made up of soft tissue so it decomposes easily
Answer:
D. Hydroelectric
Explanation:
The given structure is of a dam where Hydroelectricity is produced.
