Exam 2: Are We Alone in the Universe? Water, Biochemistry, and Cells

What is the name of a molecule composed of one or more sugars?

In general, what makes one kind of amino acid different from other amino acids?

________ is the ability of living things to maintain a relatively constant internal environment even when the external environment is changing.

Which organelle contains digestive enzymes that degrade a variety of macromolecules?

The internal membrane-bound compartments found in eukaryotic cells are called ________.

Label the parts of the plant cell.

What kind of bond holds the atoms of a single water molecule together?

________ are the smallest units into which an element can be broken down.

Which feature is found in both prokaryotic and eukaryotic cells?

A molecule that is composed only of chains and rings of hydrogen and carbon is called a

Imagine a newly discovered biological molecule that is mostly hydrophobic in its structure. This new molecule will most likely be classified as a

Proteins in cells are assembled on workbench-like structures called ________.

Nucleic acids are polymers of

Which term best describes the sugar in a sugar-water solution?

The atomic number of an element refers to the number of ________ in one atom of that element.

The ________ is the fundamental structural unit of life on Earth.

Cell membranes are ________, which means that they allow certain molecules to pass through while preventing the passage of other molecules.

Which term best describes the water in a sugar-water solution?

Which organelle in a scavenging white blood cell would break down bacteria that had entered the body?

Prokaryotic cells have