A chloroplast is one of three types of plastids, characterized by its high concentration of chlorophyll, the other two types, the leucoplast and the chromoplast, contain little chlorophyll and do not carry out photosynthesis.
My Total Cost: 51 cents per 8oz cup of coffee (35 cents for Coffee) + (3 cents for Filter) + (2 cents for Water and Electricity) + (11 cents for Coffeemaker ). Buying Coffee: $1.99 at Starbucks for black coffee.
Starbucks estimates are based on a 16-ounce grande coffee at $2.10 per cup. Home-brewed estimates are based on an approximate $8 cost of a 34 ounce can of Folgers or Maxwell House, which amounts to about $.08 per 16 ounce serving.