Humans are unable to get metabolic energy from cellulose because __________.

Protists lack membrane-bounded nucleus.

Different motor proteins such as kinesin and myosin are similar in that they can

A yellow jacket, an insect in the order Hymenoptera, stung you. Then a wasp, an insect in Hymenoptera, stung you as well. A hornet, an insect in Hymenoptera, stung you last. It is an observable pattern that all insects in this order must have stingers. The type of reasoning this represents is __________.

Which of the following are true for organisms in the Animalia kingdom? (You may select more than one answer)

Carbohydrates are polymers formed of structural units called __________.

The smallest subatomic particle of those listed below is the __________.

Atoms containing a specific number of protons are called __________.

The two nitrogen atoms in nitrogen gas (N 2) share six electrons forming a __________.

Water molecules are polar with ends that exhibit partial positive and negative charges. These opposite charges allow water molecules to attract each other through __________.