Macro-molecules
Energy and Enzymes
Atoms
Properties of Water
pH Scale
100

What are the four macromolecules of life?

What is carbohydrates, proteins, lipids, and nucleic acids?

100

What can energy do?

What is the ability to do work or cause change?

100

What does the atomic number of an element tell you about it?

What is the number of protons and electrons in that atom?

100

What type of bond holds the oxygen atom and two hydrogen atoms together?

What is covalent bond?

100

What is the scale for the pH scale? (lowest number to the highest number)

What is 0-14?

200

What elements are found in all four of the macromolecules?

What is carbon, hydrogen, and oxygen?

200

What is the difference between exergonic reactions and endergonic reactions?

What is exergonic releases free energy and endergonic absorbs free energy?

200

How many electrons does the 3rd energy level of an atom hold?

What is 18 electrons?

200

Why does ice float in water, but not in vegetable oil?

What is ice is less dense than water, but more dense than vegetable oil?

200

What number is neutral on the pH scale?

What is 7?

300

How are monomers and polymers related to each other?

What is monomers bind together to create a larger molecule called a polymer?

300

What do enzymes act as, and what part of the reaction do they lower?

What is a catalyst? What is the activation energy?

300

What type of bond involves the two atoms sharing the electrons between them?

What is a covalent bond?

300

What two properties of water allow for Capillary Action to take place and plants to obtain water from their roots to their leaves?

What is cohesion and adhesion?
300

What part of the pH scale is acidic?

What is 0-6?

400

What bond is formed between two monosaccharides?

What is a glycosidic bond?

400

What is the difference between a coenzyme and an inhibitor?

What is coenzymes activate and help the enzyme function, and inhibitors compete with the substrate to lower the ability of the enzyme to function?
400

How do you find the number of neutrons in an atom?

What is subtracting the number of protons/atomic number from the atomic mass?

400

Why is water known as the universal solvent?

What is it can dissolve many substances due to its polarity?

400

Why is gastric acid so acidic?

What is to break down food/gain energy?

500

What are two differences between a saturated fat and an unsaturated fat in terms of structure?

What is saturated fat has only single bonds and is surrounded by hydrogens, and unsaturated fat contains a double bond and has less hydrogens?

500

Describe the Lock and Key model.

What is only the right size key (substrate) can fit into the key hole (active site) of the lock (enzyme)?

500

Using the periodic table, find Nitrogen and determine the number of protons, electrons, and neutrons of the atom.

What is 7 protons, 7 electrons, and 7 neutrons?

500

What property of water helps to regulate the Earth's temperature?

What is high specific heat?

500

How much more acidic is the pH of 3 than the pH of 5?

What is 100 X?

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