Ivy Biology Mid Term Review

Which is NOT listing some of 5 elements are most abundant in living things?

• Carbon & Oxygen

• Hydrogen & Sulfur

• Nitrogen & Phosphorus

• Sodium & Calcium

What is the positive part of an atom?

• Proton

• Neutron

• Electron

• Isotope

Carbon forms MANY different structures and makes up MANY different molecules. What about Carbon makes this possible?

• Valence of 2

• Valence of 4

• Positive Charge

• Negative Charge

Tags

NGSS.HS-LS1-6

What kind of bonds are weak individually but strong when together in quantity? They hold proteins and nucleic acids together

• Hydrogen bonds and Van der Waals Interactions

• Covalent Bonds

• Ionic Bonds

• Metallic Bonds

What macromolecule is important in building structural components of an organism such as hair, horns or scales?

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Tags

NGSS.HS-LS1-1

The cell walls of plants & fungus and the exoskeletons of insects are made of this macromolecule

• Nucleic Acids

• Proteins

• Lipids

• Carbohydrates

Whales and seals store their energy for the winter in what kind of macromolecule?

• Lipids

• Carbohydrates

• Proteins

• Nucleic Acids

The function of this macromolecule is to store and transfer genetic information.

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When synthesizing macromolecules, a water molecule is released. This reaction is called

• Hydrolysis

• Dehydration

When breaking down a molecule into subunits, a water molecule is added. What kind of reaction is this?

• Dehydration

• Hydrolysis