Answer:
D, sperm contains only 23 (to be combined with the egg which has 23 chromosomes too)
Robert hooke discovered small compartments that he called cells
Answer:
hemoglobin, hemoglobin carries oxygen in the blood and it is made up of four subunits, two each of the α and β types.
Explanation:
They all divide people into different social groups.
The types of the calcareous marine microorganisms includes the following: fungi,algae,protozoa and bacteria.
