Final answer:
To prevent direct contact and reduce the risk of exposure to ethidium bromide, it is important to always wear gloves when handling gels or solutions containing this material.
Step-by-step explanation:
When handling gels or solutions containing ethidium bromide, it is important to always wear gloves. Ethidium bromide is a hazardous material that can be absorbed through the skin and cause harm.
By wearing gloves, you protect yourself from direct contact with the ethidium bromide and reduce the risk of exposure. To prevent direct contact and reduce the risk of exposure to ethidium bromide, it is important to always wear gloves when handling gels or solutions containing this material.