D. Chromosomes
DNA in the nucleus is found in structures called chromosomes.
Answer:
A. chromosomes
Explanation:
Chromosomes are structures found in the center (nucleus) of cells that carry long pieces of DNA. DNA is the material that contains genes and is the building block of the human body.
Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 chromosomes in all), of which half comes from the mother and half from the father.
Answer:
The correct answer is - virus, bacteria, protist.
Explanation:
Ice floats because it expands (kid version). The molecules are less dense in ice than when water (H2O) and the structure is different.
Hope that help
Composed of a phospholipid bilayer.
Hydrophilic heads and lipophilic tails on the phospholipids.