Chp 1 - Chp 6

the study of energy transformations that occur in matter

What are polysaccharides?

Liquid at room temperature, double bonded fatty acids & healthy.

A substance that cannot be broken down to other substances by chemical reactions.

Enzymes can only be denatured by high temperatures.

This person is known for theory of Natural Selection and Evolution

Which of the following cannot be regarded as a compound?

nitrogenous base, sugar and phosphate

A polar covalent bond is a bond that _____.

stored in molecules; amount depends on chemical bonds

Every reaction in a cell requires a specific enzyme.

Which of the following subatomic particles has appreciable mass and a positive charge?

energy of the universe is constant and can be transformed but cannot be created or destroyed

What kind of solution has more water than solute?

Monomer of nucleic acids

the cell membrane...

What are the four most abundant elements found in living systems?

An explanation that is testable and falsifiable

What do lysosomes form from?

Based on the table shown here, which elements will most likely form a polar covalent bond?

Based on the periodic table shown here, which elements will most likely form an ionic bond?

Cows can digest cellulose because of symbiotic ________________.

every energy transfer of transformation increases entropy in the universe

During hydrolysis what is added to split large molecules?

Which of the following is not a function of the Smooth Endoplasmic reticulum?

What is not found in the plasma membrane?

What are all lipids?

Same formula different arrangement of atoms.

In what ratio do all carbohydrates exist in?

This picture shows:

Which microscope would you use to study the finest details of surface texture of a human hair?

Which of the following statements describes any chemical reaction that has reached equilibrium?

Hydrogen bonding between the various amino acids in the protein (amino and carboxyl groups).

Proteins that speed up the rate of chemical reactions.

What organelle does cell respiration take place?

Where are amino acids used to create proteins?

this picture shows

What organelle helps digest particles brought in by phagocytosis?

Describes the change of shape that causes enzymes not to function properly.

Which of the following is a trace element?

Non-polar rings of mostly carbon and hydrogen. Used as signaling molecules.

the unit of inheritance

glucose

Each enzyme can speed up only one particular reaction. This specificity is due to the ______.

Enzymes speed up reactions by

What is the term that describes the flow and components of the cell membrane?

More than one polypeptide in the final structure of the protein.

Molecules made of only carbon and hydrogen.

What are cofactors?

What consists of all life on earth?

Amino Acids are made of ________________ and ________________ functional groups.

You are a beautiful human capable of demolishing this exam!!! Good luck

which of the following is an example of active transport?

Which type of cell connection happens when two cell membranes actually bond into one?

A positively charged ion

If you wanted to film the movement of chromosomes during cell division, the best tool would be

When two atoms are equally electronegative, they will interact to form

What are polymers composed of?

Not a polymer

Covalent bond formed between two amino acids.

What are coenzymes?

The attraction of a given atom for the electrons of a covalent bond

A cell must produce large quantities of each enzyme in order to survive.

Lacks a nucleus or membrane-enclosed organelles

What is the use of an exergonic process to drive an endergonic one?

When one or more pairs of valence electrons are shared by two atoms, it forms

Which organelle does not have a double membrane and DNA

Defines the amino acids

The scientific study of life

The reactants in an enzymatic reaction are called the substrates for that enzyme.

What is the molecular formula for glucose?

Which is a structure only found in animal cells?

consume energy to build complicated molecules from simpler ones

Triglycerides are also known as?

Which microscope would you use to study the internal structure of a dead human liver cell?

How do phospholipids organize in a bilayer?

Extreme heat and acidity can cause enzymes to unwind and lose their 3-D shape =

A(An) ______ is any nonprotein molecule that binds with an enzyme other than its substrate.

Saturated fatty acids have?

Which microscope would you use to study the changes in shape of a human blood cell?

anything that is moving possesses

A cell has a higher solute concentration than its solution. The solution can be described as

Tropical forest is an example of a

The order of the amino acids in a protein.

a search for information and explanations of natural phenomena

What are three domains of life?

Leads to the release of energy by breakdown of complex molecules to simpler compounds.

Monomer of starch

Which reaction absorbs free energy and requires energy in order to proceed?

an object at rest possesses

Prokaryotic cell do not have

Fundamental unit of life

What do phospholipids make up?

The reactant that the enzyme acts on is called a

Forms polymers

Lactase is an enzyme that breaks down ______.

changes enzyme shape

The study of matter.

Which type of cell connection is an opening from one cell to another?

Where is starch found in?

Missing in people that are lactose intolerant

Presence of inhibitors increases the rate of reaction.

What type of reaction creates polymers from monomers?

When you change the number of neutron you get

In which reaction is energy is released and occurs spontaneously?

What is evolution?

A structure that connects animal cells to one another in a tissue is...?

The 3-D shape of the protein caused by the R-groups interacting.

totality of an organism’s chemical reaction

What organelle has thylakoids and stroma?

All organic compounds contain what?

in active transport, molecules move

The ______ is a place where the substrates fit onto the enzyme for it to react.

The process that converts chemical energy of sugar into ATP is known as what?

Which of the following is not a lipid?

Monomer of proteins

An array of organisms inhabiting a particular ecosystem is called a

The reactivity of an atom arises from

which one is not a type of protein in the plasma membrane?

A neutral atom of chlorine has an atomic number of 17. It has ____ electrons in its third shell

In the term trace element, the adjective trace means that the element