I need help with a biology test * the first image goes with questions - 4, 5, 11
*the second image goes with question - 9
*the third image goes with question - 14

The word "Carbohydrate" tells us that carbs are made of Carbon (carbo-), Hydrogen (-hydr-), and Oxygen (-ate). What ratio of the C, H, and O atoms would you expect to find in a carbohydrate? *
3:9:3
1:2:3
2:1:2
1:2:1

Which property of water allows insects to “walk on water” because of the hydrogen bonding between all of the water molecules? *
Universal solvent
High specific heat
Less dense as a solid
Surface tension

The attraction between water and a car windshield causes the water to form drops on the windshield. This interaction is an example of *
cohesion
adhesion
surface tension
polarity

The molecule that represents a nucleotide is represented by the letter *
Captionless Image
A
B
C
D

The molecule that represents an amino acid is represented by the letter *
A
B
C
D

Hideki has pure water and wants to make a solution that is as acidic as possible. Which of the following liquids should he add to his water? *
Liquid A - pH 2
Liquid B - pH 6
Liquid C - pH 9
Liquid D - pH 12

All of the following are examples of Carbohydrates except *
Cellulose
Starch
Phospholipids
Honey

Which of the following is correct about Saturated fats at room temperature? *
Liquid with Single Bonds
Solid with Single Bonds
Liquid with Double Bonds
Solid with Double Bonds

The diagram shows a molecule being broken into its monomers through the addition of a water molecule. The reaction represented by the diagram can be classified as *
Captionless Image
Hydrogen Bond formation
Covalent Bond Formation
Dehydration Synthesis
Hydrolysis

What is the maximum number of covalent bonds that can form between a single carbon atom and 1 or more hydrogen atoms? *
1
2
3
4
The molecule that represents an triglyceride is represented by the letter *
Captionless Image
A
B
C
D
Glucose is a *
Monomer
Polymer
Lipid
Polysaccharide

What causes cohesion in water? *
Hydrophobic interactions
Nonpolar covalent bonds
Ionic bonds
Hydrogen bonds

In the diagram, the interactions indicated by “1” are an example of _ *
Captionless Image
Water forming covalent bonds with other water molecules.
Hydrogen bonds forming between water molecules.
Oxygen stripping electrons from hydrogen.
Water molecules repelling other water molecules.

If a Protein is a polymer, what is the associated monomer? *
1 point
Triglyceride
Amino Acid
Nucleotide
Monosaccharide