A common misconception is that the bulk of a plant's material comes from the soil or water. Explain where the carbon in sugar actually comes from, citing evidence from the Calvin Cycle to support your answer.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.