Answer: Interventional Study
Explanation: When a treatment group is compared to standard (control) group it is called Interventional Study
In a turbite bed sediments is deposited chronologically.
What structure is found in prokaryotic cells but not eukaryotic cells?
a. a single, circular DNA chromosome found in the cytoplasm
because :
Prokaryotic cells may also contain extrachromosomal DNA, or DNA that is not part of the chromosome. This extrachromosomal DNA is found in plasmids, which are small, circular, double-stranded DNA molecules.
It seems that you have missed to include the necessary options for this question so I had to look for it. Here is the answer. The one that lymphoid cells traps antigens and transport them to lymph nodes are the T LYMPHOCYTES. Hope this answers your question.
The dog's reflection on the water's surface is because of light rays reflecting off the dog and onto the water to create a mirror image.