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The negative logarithm of the hydrogen ion concentration in the solution is referred to as __________.

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

Water molecules are attracted to each other due to the opposite charges created by partial charge separations within the molecules. These attractions are called __________.

Cells that produce a lot of lipids for membranes would have an enlarged __________.

Protists lack membrane-bounded nucleus.

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

The term that Darwin used to describe the concept that organisms with superior strength, behavior, or other attributes are more likely to survive and pass their traits to the next generation than those that are not so well endowed is called __________.

Atoms containing a specific number of protons are called __________.

Because oxygen is more electronegative than hydrogen, the water molecule is __________.

Many antibiotics selectively kill bacteria and not mammalian cells because they block synthesis of the _______.