Answer: This is life science right? If it is the answer is the microscope
Explanation:
An occluded front forms when two cold air masses meet and push warmer air up, making the temperature drop and usually bring strong rains and wind.
The periodic table is arranged in alphabetical order. The periodic table is arranged in order of increasing atomic numbers.
Properties of elements can be predicted from their placement on teh table. A horizontal row is called a period.
CDNA does not have introns and therefore can be expressed in prokaryotic cells. cDNA libraries are most useful in reverse genetics where the additional genomic information is less use. Also, it is useful for subsequently isolating the gene that codes for that mRNA.
Answer:
D) the presence or absence of a Nucleus
Explanation:
A Nucleus is present in a Eukaryotic cell. A Nucleotide is present in a Procaryotic cell. If there is a nucleus present, it is a Eukaryotic cell