Exam 1 Review - SI

A hypothesis must be _______ and _______ .

To what does the term "polypeptide" refer?

A covalent bond is likely to be polar if __________.

Nonpolar molecules that cluster away from water molecules are called __________ molecules.

Which levels of structure do all proteins have to have?

Which molecule is a carboxyl group?

A controlled experiment is one that

What is the function of RNA

A glass of grapefruit juice, at pH 3, contains __________ H⁺ as a glass of tomato juice, at pH 4.

Which of the following best describes the logic of scientific inquiry?

How many valence electrons does an uncharged atom of Oxygen (atomic number = 8) have?

Which of the following statements best distinguishes hypotheses from theories in science?

Ionic bonds form as a result of __________.

How many electrons would be present in the valence shell of a chlorine atom (atomic number 17, mass number 35)?

Which functional group helps form all amino acids?

In a group of water molecules, hydrogen bonds form between __________.

Name the two functional groups present here.

Choose the term that correctly describes the relationship between these two sugar molecules:

An acid is __________.

Sequencing a protein to discover the order of the amino acids that make it up is an example of __________.

Which of the following elements would be an isotope for an atom that has 20 protons, 20 neutrons, and 20 electrons?

Emergent properties of living systems are defined as properties that __________.

Cellulose is a __________ made of many __________.

The alpha helix and beta pleated sheet represent which level of protein structure?

Which functional group increases the solubility of organic compounds in water?

The tendency of water molecules to stay close to each other as a result of hydrogen bonding __________.

What type of isomer is this?

When one or more pairs of valence electrons are shared by two neutral atoms, what type of bond is formed?

Which is an organic molecule?

A theory is _____.

An uncharged atom of nitrogen (atomic number = 7) has __________.

Which term best describes these isomers?

Lipids differ from other large biological molecules in that they __________.

The overall three-dimensional shape of a single polypeptide is called the __________.

Which functional group is not present in this molecule?

Which carbohydrate molecule has the lowest molecular weight?

How then do cows get nutrients by eating grass if they can't break the bonds between glucose molecules in cellulose.?

What is the process by which monomers are linked together to form polymers?

Adding a base tends to __________ of a solution.

Protein molecules are polymers (chains) of __________.