When you flip a coin, what is the probability that it will come up heads?
a. 1
b. 1/4
c. 1/2
d. 1/8

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.

Which of the following best describes gluconeogenesis? -creation of glycogen from glucose-breakdown of glycogen into glucose-conversion of glucose to fat-synthesis of glucose from noncarbohydrate sources

An example of mitosis at work is a leaf