Under what conditions can aerobic respiration be used as a means to generate the ATP needed to carry out cellular processes? (4 points) Oxygen is absent; electron transport chain is not used.
Oxygen is absent; electron transport chain is used.
Oxygen is present; electron transport chain is not used.
oxygen is present; election transport chain is used,

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.