IB Biology I Semester Review

Which of the following processes includes all others?

Which nitrogenous base is only found in RNA?

 Water molecules are attached together by

Which of the following is not a purine?

The diagram below is: 

Increasing the substrate concentration

Which of the following is not a true statement regarding enzymes:

What type of fatty acid has all carbon atoms connected by single covalent bonds? 

Which organelle is responsible for synthesizing proteins?

Lactose can be hydrolyzed into what two substances by the enzyme lactase? 

Which is smallest: width of a virus, width of bacterium or thickness of cell membrane?

1.    A polysaccharide made of 5 glucose molecules has the following formula

Maintaining a constant and stable internal environment is

Most biological molecules have this type of bond:

The outer side of the membrane differs from the inner side because the outer side contains

How many histone molecules make up a nucleosome? 

Which of the following is NOT an example of an integral protein?

What is the function of the plasma membrane of abacterium?

  A fatty acid is a long chain of mostly carbon and hydrogen atoms with a:

Which features are present in prokaryotic cells?

What type of macromolecule is substance E?

What type of bond connects #9 to cytosine?

These special extensions of bacteria allow for exchange of genetic material

Water dissolves which of the following substances?

   Glucose functions in

The picture below is 

What property of water allows it to stick to a dry surface, such as a wooden countertop? 

Which functions are carried out by all unicellular organisms?

When nerve cells are organized as the brain it can think, what property does this represent?

Fructose is

Which organelle is not found in the cell shown below?

The DNA in eukaryotic cells is 

A codon codes for

Which of the following is a unicellular organism that carries out all functions of life?

Which organelle is labeled #10?

What is the function of the organelle found on the organelle shown in the micrograph?

   In a water molecule,

What is #4?

Which property makes stem cells suitable fortherapeutic use?

What carbon does the nitrogeneous base attach to on deoxyribose?

All cells have which of the following?

Where are proteins synthesized in a cell?

How many hydrogen bonds are found between cytosine and guanine?

The bond between two amino acids in a dipeptide is called a:

What is the minimum number of each level of treatment for science experiments in IB Bio?

Which organelle is responsible for detoxifying drugs?

Which structure is an example of a peripheral protein? 

When liquid water is heated, most of the energy that the water absorbs is used to:  

The Singer-Nicolson Model is now known as what model?

The process in which the cell takes up a substance by surrounding it with the membrane is

Amino acids join together during:

What type of macromolecule is the structure labeled C?

Where does the inhibitor bind in non-competitive inhibition? 

Which of the following is NOT a major function of lipids in the human body?

Which of the following is a feature of exocytosis but not endocytosis?

Which of the following elements is not found in carbohydrates?

What gives each amino acid its character and leads to such a huge variety in proteins?

How many different amino acids are found naturally in biology?

In the structure of the cell membrane, glycoproteins are 

Which of the following would increase the rate of diffusion?

Which of the following is not a pyrimidine? 

A plant storage substance is

Which number points to the organelle responsible for holding spindle fibers in place?

This protein is found in tears.  Its function is to kill bacteria.

The image below is: 

Where do the directions for making proteins at the ribosomes come from?

Which of the following types of cell transport moves against the concentration gradient?

If you place a cell with 80% water and 20% solute into a solution with 90% water & 10% solute

What type of lipid is a major component of the cell membrane? 

The storage carbohydrate in liver and muscles is

The electron micrograph below shows which organelle?

Denaturation of an enzyme

If G is a pore protein in which water crosses the cell membrane via osmosis, what is it called?

What is the pentose sugar that is found in RNA?

Which of the following is the primary carbohydrate storage molecule in animals?

In evaporation ofwater

The variable that is measured in an experiment is the

Which statement is part of the cell theory?

Materials that leave and enter the golgi apparatus are

Which process is due to the fluidity of the cell membrane? 

Which of the following is not a reason the Davson-Danielli model was changed?

Which of the following is not an example of a monosaccharide?

Which statement is correct about proteins

Which of the following is an example of a prokaryotic cell?

Flagella are sometimes found on prokaryotic cells and their primary function is

What type of bond connects carbon #3 on one dexoyribose molecule with a phosphate group?

Condensation is the

Which organelle is found on the organelle shown in the micrograph?

What type of lipid has four fused rings as the main portion of their structure? 

Which of the following is a function of cholesterol in the cell membrane?

In a cell, what is the effect of a large surfacearea to volume ratio?

Differentiation results in cells

What are the two fatty acid tails of a phospholipid made up of? 

Which of the following is not an example of an enzyme cofactor?

What is the substrate similar to in competitive inhibition? 

 Which of the following is not a characteristic of globular proteins?

What molecule is essential for endocytosis, exocytosis and Na+/K+ pump?

Which of the following organelles has a double membrane?

The primary function of this protein is transport:

As the volume of a cell increases, what happens to the surface area to volume ratio?