Phospholipids are built like triglycerides but one of the fatty acids is replaced by a
phosphate head. how does this change in structure affect the ability of this
molecule to dissolve in water? in biological systems, how are phospholipids used?

How are elements arranged in a periodic table

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.