Study guides, Class notes & Summaries

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. ...

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...

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 ...

WGU C190 INTRO TO BIOLOGY PRACTICE TEST QUESTIONSQUESTIONS & ANSWERS (2024)(VERIFIED ANSWERS) A BIOLOGICAL POLYMER COSISTS OF 358 AMINO ACIDS LINKED TOGETHER COVALENTLY. WHAT IS THIS POLYMER? - Ans - A PROTEIN A CELL HAS DIVIDED ITS CHROMOSOMES INTO WO NEW NUCLEI. THE CYTOSKELETON OF THE CELL IS CURRENTLY PINCHING THE CELL IN THE MIDDEL TO FROM TWO NEW CELLS. IN WHICH STAGE OF THE CELL CYCLE IS THIS CELL? - Ans - CYTOKENESIS A CELL IS: - Ans - THE BASIC BUILDING BLOCK OF LIFE A C...

Abiotic - Ans - Non-living, may be within or made by a living organism. Actin - Ans - Filament in the Cytoskeleton which has a prominent role in cell movement, maintaining cell shape, and connection to other cells, as well as intracellular transport. Active Site - Ans - The binding site on enzymes. contains amino acids that both bind the substrate and aid in its conversion to product. Active Transport - Ans - moving molecules against their concentration gradient. This is a non spontan...

WGU C190 INTRO TO BIOLOGY PRACTICE TEST Abiotic - Ans - Non-living, may be within or made by a living organism. Biotic - Ans - Living. Matter is considered ______ if it was ever alive at some point in time Atom - Ans - Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule - Ans - Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule - Ans - Third level. Biologically importan...

QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS

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

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