In the presence of oxygen, molecules of ATP can be formed during cellular respiration. A. 36 to 38
B. 19 to 24
C. 2 to 4
D. 63 to 68
E. 38 to 42

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

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.

Some substances but not other can cross the (blank) membrane of a cell