True ..In animals, the female mitotic sequence produces only one ovum; the other three haploid cells become "polar bodies".
Pathogens can exist in blood and then can be passed the transfusions
The planet would be Neptune and Earth's average time is 365.2 days aka a full year (1 year).
Different stars are different colors depending on the temperature. So, for example, a blue star is hotter than a yellow star such as our Sun.
They are semi-permeable because they can diffuse and pass through the plasma membrane easily.