(Pre-check) Day 1: Macromolecules

​EOC Domain 1 (Cells) Pre-check

Multiple Choice

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?

• All living things use energy

• All living things contain cells

• All living things maintain homeostasis

• All living things grow

​Characteristics of Life

Multiple Choice

Which macromolecule is used as our main source of energy?

• Lipids/Fats

• Nucleic Acids

• Proteins

• Carbohydrates

Multiple Choice

Which of the following best explains why enzymes are necessary for many cellular reactions?

• Enzymes supply the oxygen necessary for the reactions

•  Enzymes change reactants from liquids to solids during the reactions.

• The reactions take up too much space in the cell if the enzymes are missing.

• The reactions are too slow to meet the needs of the cell if enzymes are missing. 

Multiple Choice

A thin, flexible layer that is found in all cells and separates the inside of the cell from the outside environment.

• protein coat

• protein membrane

• cell membrane

• nucleolus

Multiple Choice

What is the function of the vacuole?

• Sac that stores water, nutrients, and waste products

• Jelly-like substance within the plasma membrane

• Sac filled with digestive chemicals

• Stack of membranes that packages chemicals

Multiple Choice

Which sequence correctly traces the path of a protein in the cell?

• ribosome, Golgi body, rough ER

• ER, lysosome, Golgi body

• ribosome, rough ER, chloroplast

• ribosome, rough ER, Golgi body

Multiple Choice

Which one is the definition of active transport?

• movement of particles from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

• passage of water molecules from a region of their higher concentration to lower concentration through a partially permeable membrane

• net movement of molecule from a region of higher concentration to region of lower concentration

Multiple Choice

Which way will the water molecules move during osmosis?

• Out of the cell, so the cell shrinks.

• Out of the cell, so the cell swells.

• Into the cell, so the cell shrinks.

• Into the cell, so the cell swells.

Multiple Choice

What is the function of ATP in living things?

• provides energy for cells

• stores genetic information

• provides structure in the nucleus