Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Explanation:
DNA is cytoplasmic (extranuclear) in Prokaryotes but intranuclear in Eukaryotes.
Answer:
B- The speed of sound will increase due to the increasing density of seawater.
Explanation:
If the temperature of seawater decreases its density increases, but only to a point
Answer:
Electron microscope
Explanation:
Electron microscope uses a beam of electrons as energy source. Since the beam has an exceptionally short wavelength, it strikes most objects in its path and increases the resolution of the microscope significantly. Thus it has a higher magnification and resolution.
Huh what that’s not an question
