BIOLOGY STUDY EXAM QUESTIONS AND
ANSWERS RATED A.
The activation energy needed for a chemical reaction is decreased by a
catalyst
Which aspect of a chemical reaction is affected by enzymes
rate/speed
Which of the following is a major principle upon which cell theory is based
A: all cells form by free-cell formation
B: all cells have DNA
C: all organisms are made of one of more cells
D: all cells are eukaryotic
C: all organisms are made of one of more cells
Which organelle is the storehouse for most of a cells genetic information
nucleus
Which phrase best describes rough ER
studded with ribosomes
Which organelles supply energy to the cell
mitochondria
Which organelles contain enzymes that break down old cell parts
lysosomes
Which organelles are unique to plant cells
chloroplasts
Which process occurs inside the chloroplast
photosynthesis
, A protein that detects a signal molecule and performs an action in a
response is called a
receptor
A solution that is hypotonic to a cell has
fewer solutes than the cell
Transport proteins play a role in both
passive and active transport
Which process requires no energy from the cell
facilitated diffusion
Which organelles are involved in the process called endocytosis?
vesicles
Which process is occurring when a Vesicle fuses with the cell membrane
and releases it's contents outside the cell
exocytosis
What molecule carries/stores chemical energy that cells use for their
functions
ATP
Which of the following molecules found in the food we eat is most
commonly broken down to make ATP
carbohydrates
Which of the following directly provides the energy we need for cell
functions
A: a phosphate group is removed from ATP
B: ADP loses a phosphate group
C: electrons are passed to proteins
D: oxygen picks up electrons
A: a phosphate group is removed from ATP
ANSWERS RATED A.
The activation energy needed for a chemical reaction is decreased by a
catalyst
Which aspect of a chemical reaction is affected by enzymes
rate/speed
Which of the following is a major principle upon which cell theory is based
A: all cells form by free-cell formation
B: all cells have DNA
C: all organisms are made of one of more cells
D: all cells are eukaryotic
C: all organisms are made of one of more cells
Which organelle is the storehouse for most of a cells genetic information
nucleus
Which phrase best describes rough ER
studded with ribosomes
Which organelles supply energy to the cell
mitochondria
Which organelles contain enzymes that break down old cell parts
lysosomes
Which organelles are unique to plant cells
chloroplasts
Which process occurs inside the chloroplast
photosynthesis
, A protein that detects a signal molecule and performs an action in a
response is called a
receptor
A solution that is hypotonic to a cell has
fewer solutes than the cell
Transport proteins play a role in both
passive and active transport
Which process requires no energy from the cell
facilitated diffusion
Which organelles are involved in the process called endocytosis?
vesicles
Which process is occurring when a Vesicle fuses with the cell membrane
and releases it's contents outside the cell
exocytosis
What molecule carries/stores chemical energy that cells use for their
functions
ATP
Which of the following molecules found in the food we eat is most
commonly broken down to make ATP
carbohydrates
Which of the following directly provides the energy we need for cell
functions
A: a phosphate group is removed from ATP
B: ADP loses a phosphate group
C: electrons are passed to proteins
D: oxygen picks up electrons
A: a phosphate group is removed from ATP
