For IPC. object x and object y are rubbed together. object x acquires a negative charge, what does object y experience?

a. a gain of protons

b. a loss of protons

c a gain of electrons

d. a loss of electrons

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.

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.

They live on every continent except antarctica