Show:
1st
2nd
3rd
4th
5th
100

Protons are ____________.

Positive

100

Neutrons are ____________.

Neutral

100
  1. Name one of the four things that can denature a protein. Please only enter 1 answer since the answer key will mark your answer as incorrect if you attempt to enter more than 1 answer.

Heat, Electricity, Radiation, Various Chemicals (like acids and bases)

100
  1. The chemical bond that forms when electrons are shared.

Covalent

100

Amino Acids are the building blocks of _____________.

Protein

200

A pH of 6 is _____ times more acidic that 7.

10

200

What is the primary energy source for cells?

ATP

200

What is the chemical formula for water?

H2O

200

What is the name of the monosaccharide that is stored as Glycogen in your muscles and liver?

Glucose

200

Electrons are __________________.

Negative

300

A pH of 2 is _____ times more acidic that 7.

100,000

300

Compounds that contain _____________ are called organic.

Carbon

300

What is the difference between Autotrophs and Heterotrophs?

Autotrophs make their own food

300

Where might we find Phospholipids?

Cell Membranes

300

Triglycerides are a type of fat (lipid) found in your ___________that can be stored in your fat cells.

Blood

400

So many substances are soluble in water that water is called the Universal ____________.

Solvent

400

_____________ Tension is when water molecules form an invisible layer which can hold weight.

Surface

400

Why does ice float in water?

Ice is less dense than water

400

Which of the following are made of nucleotides?

DNA

400

An attraction between substances of the same kind.

Cohesion

500

Name the 4 different Macromolecules.

Carbohydrates, Lipids, Proteins, Nucleic Acids

500

How many of the 20 Amino Acids are essential and what type of bond connects Amino Acids when forming the primary structure of a protein?

9, Peptide

500

Different organisms store glucose in various forms. You discover a new species. Upon chemical analysis, you find that it is comprised of significant amounts of starch. To which organism might this new species be related?

Potato

500

Different organisms store glucose in various forms. You discover a new species. Upon chemical analysis, you find that it is comprised of significant amounts of glycogen. To which organism might this new species be related?

Dog

500

Name the six most abundant elements in cells.

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur