Chapter 2: The Chemistry of Life

Transport substances in and out of cells

Iodine is an indicator of what carbohydrate?

An enzyme is an example of a

What type of organic molecules are composed of only carbon, hydrogen, and oxygen?

A fatty acid with the maximum number of hydrogens is

Which of these represents a formula for a chemical compound?

Which of the following lists of elements contain the most common elements in organic compounds?

(question in picture)

In this organic molecule, which element is identified by each X?

A solution that turns orange with Benedict's solution is an indicator of what carbohydrate?

What are formed when three or more monosaccharides are bonded together?

What is a compound that has the same number of protons but a different number of neutrons?

A steroid is an example of a

A dissolved compound that prevents sharp swings in pH is a

What macromolecule stores and transmits genetic information?

The X in the table represents which of the following elements?

What particle in the nucleus of an atom has a positive charge?

A macromolecule that is made of C, H, O and is in the shape of a ring is a

A fat molecule belongs to which category of organic molecules?

What are formed when two monosaccharides are bonded together?

A hydrogen bond can form between a hydrogen atom of one molecule and what atom of another?

Lactase is an example of a

Which element is found at the positions marked by the dots in the molecule?

Which is a polymer of lipids?

(question in picture)

An base has a greater number of

Benedict's solution is an indicator of what carbohydrate?

Phospholipid is an example of a

What are the monomers of lipids?

The ability of a molecule to form hydrogen bonds with other molecules is called

A molecule of water contains

The function of what organic molecule is to store energy?

Help carry out chemical reactions

pH measures the amount of

What is this element?

A macromolecule that is made of C, H, O, N, and P is a

The ability of a molecule to form hydrogen bonds with the same type of molecule is called

How many bonds can carbon form?

What particle in the nucleus of an atom has a neutral charge?

A fatty acid that contains double bonds and does not contain the maximum number of hydrogens is

What type of bond holds a water molecule together?

What process bonds two monomers together?

What type of macromolecule is this?

A macromolecule that is made of C, H, O but has many more hydrogen atoms than oxygen is a

What process breaks a polymer apart?

Important parts of biological membranes

Sucrose is an example of a

What type of bond is formed when two atoms share their electrons?

Cellulose is an example of a

A solution that turns green with Benedict's solution is an indicator of what carbohydrate?

An acid has a greater number of

A catalyst that speeds up chemical reactions in cells is a(n)

RNA is an example of a

Hemoglobin is an example of a

What special bond forms when two amino acids are bonded together?

What are the monomers of proteins?

What type of macromolecule is this?

(question in picture)

A large compound formed by the joining of small compounds called monomers

Which of the following is a central role of carbon in the chemistry of living organisms?

Which of the following statements best describes a DNA molecule?

The main source of energy for living things

What type of bond holds two water molecule together?

Carbon atoms in organic molecules most commonly bond to atoms of hydrogen, oxygen, and

What type of organic molecule has twice as many hydrogen atoms than oxygen atoms?

(question in picture)

The amount of energy needed to start a chemical reaction is called

What are the monomers of nucleic acids?

What type of macromolecule is this?

What molecule is removed when two monomers are bonded together?

A macromolecule that is made of C, H, O, N, and S is a

What type of macromolecule is this?

What are the monomers of carbohydrates?