Yeast lacks a membrane-bound nucleus. The onion skin cell has one
Ventilation is the act of moving/pushing air into and out of the lungs.
Well you can mark out a and d.. because cellular respiration uses energy in glucose to make atp
<em>a)</em><em>All living and nonliving things consist of one or more cells.</em>
The answer;
A combination pill
Explanation;
Contraception entails methods that are used to prevent pregnancy. They include; hormonal methods, barrier methods and natural methods. A combination pill is a type of oral contraceptives that contain estrogen and a progestin. It keeps the ovaries of the female from releasing an egg. Different types of this pill contains different doses of estrogen and progestin.