WGU C190 Intro to Biology

WGU C190 INTRO TO BIOLOGY PRACTICE TEST QUESTIONSQUESTIONS & ANSWERS (2023/2024)(VERIFIED ANSWERS)

Abiotic Non-living, may be within or made by a living organism. Biotic Living. Matter is considered ______ if it was ever alive at some point in time Atom Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule Third level. Biologically important molecules that are technically polymers. Example: DNA. ...

WGU C190 INTRO TO BIOLOGY PRACTICE TEST QUESTIONSQUESTIONS & ANSWERS (2024)(VERIFIED ANSWERS)

QUESTIONS AND ANSWERS

Abiotic - correct answer Non-living, may be within or made by a living organism. Biotic - correct answer Living. Matter is considered ______ if it was ever alive at some point in time Atom - correct answer Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule - correct answer Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule - correct answer Third level. Biologically im...

WGU C190 INTRO TO BIOLOGYQUESTIONS & ANSWERS (2023/2024)(VERIFIED ANSWERS)

Abiotic - Non-living, may be within or made by a living organism. Biotic - Living. Matter is considered ______ if it was ever alive at some point in time Atom - Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule - Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule - Third level. Biologically important molecules that are technically polymers. Example: DNA. Cell - Fourth le...

QUESTIONS AND ANSWERS

Fats and oils are composed of Fatty acids and glycerol Fatty acids can naturally be saturated or unsaturated. A saturated fatty acid has . All single covalent bonds Triglycerides, a type of fat, are composed of what two subunits? Fatty acids and glycerol What would you have to do to make a fat from the fatty acid shown above? Attach it to a glycerol along with two other fatty acids. If one or more of the fatty acids in a triglyceride include omega-3 fatty acids, ...

Atomic Mass - correct answer The sum of the number of protons and the number of neutrons. The mass of an atom. Protons + Neutrons = Atomic Number - correct answer The number of protons in an atom, displayed for each atom in the periodic table. Chemical Bonds - correct answer Attractions between atoms that hold atoms and molecules together. Covalent Bonds - correct answer Strongest chemical bond. Occurs between atoms of in the same molecule. Electron pairs are shared, creating a strong ...