Atoms & Molecules
Anything that has mass and takes up space?
What is matter?
The four major macromolecules include carbohydrates, lipids, proteins, and ___.
What are nucleic acids?
The smallest unit of life.
What is a cell?
The process that covers sunlight into glucose.
What is photosynthesis?
This table organizes all known elements.
What is the periodic table?
The number of protons in an atom determines this.
What is the atomic number?
Enzymes speed up chemical reactions by lowering this?
What is activation energy?
These types of cells lack a nucleus.
What are prokaryotes?
This organelle is the site of cellular respiration.
What is the mitochondrion?
Found on food packages, these provide information about macronutrients.
What are nutrition levels?
Atoms of the cell element that have different numbers of neutrons.
What are isotopes?
Water's ability to stick to other substances.
What is adhesion?
These organelles are responsible for protein synthesis.
What are ribosomes?
The first step in cellular respiration.
What is glycolysis?
A common ionic compound used in food.
What is table salt? What is NaCl?
A bond formed when electrons are shared between atoms.
What is a covalent bond?
This value ranges from 0 to 14 and measures acidity or basicity.
What is pH?
The process by which cells move substances against the concentration gradient.
What is active transport?
The pigment that captures light energy in plants.
What is chlorophyll?
This property explains why ice floats on liquid water.
What is lower density of ice?
This must be balanced to follow the Law of Conservation of Mass.
What is a chemical equation?
What are buffers?
The complete hierarchy from cell to organism is called this?
What is the biological organization (levels)?
The high-energy molecule produced during cellular respiration.
What is ATP?
These are the three domains of life.
What are Bacteria, Archaea, and Eukarya?