Which types of organisms has cells surrounded by a cell/plasma membrane?

Which of th following best describes how genes produce traits in an organism?

Why zebra fish experience similar genetic disease as human

Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.