The structure that connects the placenta to the embryo would be the <u>umbilical cord.</u>
I think C, the egg is larger so contains more mitochondria. Reason is we maily obtain the mtDNA from our mothers :v
Answer:Global Temperature Rise, Warming Oceans, Shrinking Ice Sheets, Sea Level Rise
Explanation:
A meteroid is the only thing small enough to enter the atmosphere and not destroy the Earth so C
A DNA molecule is made up of nucleotides.Each nucleotide is made up of a nitrogen base, a sugar molecule and a phosphate group. There are 4 nitrogen bases such as adenine and guanine known as purines, thine and cytosine are known as pyramidine. These nitrogenous base are arranged in a sequence attached to each other by hydrogen bonding into anti-parallel strands. Therefore, the structure of DNA is termed as the double helical model.