Answer:
Phospholipids are amphipathic molecules. This means that they have a hydrophilic, polar phosphate head and two hydrophobic fatty acid tails. These components of the phospholipids cause them to orientate themselves, so the phosphate head can interact with water and the fatty acid tails can't, hence forming a bilayer
Explanation:
No, what determines a dominant gene is how many copies of that gene exists within the parent. This doesn't mean it will be the most common because of recessive genes. It doesn't matter how many copies a dominant gene has, a recessive gene can still appear in the offspring.
Answer: Environmental racism
Explanation:
Environmental racism is the process whereby, communities with poorer people and also has no political backup are been expose or experience unjust and disproportionately heavy exposure of poor and toxic chemicals, contaminated air and water, unsafe workplaces, and other environmental hazrd. Environmental racism is highly associated with factors that link poverty to poor health, including inadequate access to medical and preventive care, lack of safe play spaces for children, lack of access to healthful foods, absence of good jobs, crime, and violence.
