Language of Science
Graphing
Biomolecules
Enzymes
Feedback Loops
100
The prefix "bio" means
a) science
b) bacteria
c) life
d) cells
c) life
100
This type of graph is commonly used to represent data containing percentages.
a) bar graph
b) line graph
c) pie chart
d) pictograph
c) pie chart
100
What THREE elements are included in all four types of biomolecules? (select all that apply)
a) O
b) H
c) N
d) C
e) S
a) O
b) H
d) C
100
The names of enzymes commonly end in
a) -ose
b) -ase
c) -ed
d) -in
b) -ase
100
The state of steady internal physical and chemical conditions maintained by living systems is also known as:
a) biochemistry
b) homeostasis
c) cytostability
d) impossible
b) homeostasis
200
The prefix "poly" means
a) multiple
b) one
c) protein
d) living
a) multiple
200
Which type of graph is this?
a) bar graph
b) line graph
c) pie chart
d) histogram
a) bar graph
200
Bread, pasta, fruit, and vegetables are all food examples of which biomolecule?
a) Carbohydrates
b) Lipids
c) Proteins
d) Nucleic Acids
a) Carbohydrates
200
Which category of biomolecules do enzymes belong to?
a) Carbohydrates
b) Lipids
c) Proteins
d) Nucleic Acids
c) Proteins
200
__________ is the most common type of feedback system.
a) Positive
b) Negative
c) Neutral
d) Homologous
b) Negative
300
Which of the following means "large"?
a) mono
b) macro
c) micro
d) meter
b) macro
300
Which variable should be graphed on the x-axis when constructing a line graph?
a) independent
b) dependent
c) control
d) constant
a) independent
300
Lipids are long-term energy storage molecules found in fats, oils, and waxes. They also function to provide:
a) Structure in plants
b) Insulation in animals
c) Genetic information in bacteria
d) Synthesis of amino acids in insects
b) Insulation in animals
300
Enzymes are catalysts, which means they speed up chemical reactions by:
a) Lowering activation energy
b) Raising activation energy
c) Increasing temperature
d) Decreasing the amount of substrate
a) Lowering activation energy
300
Temperature control is an example of a negative feedback system. When body temperature is too high, you will begin to _______, which will _______.
a) shiver, increase temperature.
b) shiver, decrease temperature
c) sweat, increase temperature
d) sweat, decrease temperature
d) sweat, decrease temperature
400
Which of the following means "to like; to have an affinity for"?
a) phobia
b) logy
c) poly
d) philia
d) philia
400
Based on the graph shown, which statement is TRUE?
a) 50 students listed golf as their favorite sport.
b) Tennis is more popular than rugby.
c) Basketball was the least popular sport.
d) Football is less popular than basketball.
d) Football is less popular than basketball.
400
What is the monomer of proteins?
a) Monosaccharides
b) Triglycerides
c) Amino Acids
d) Nucleotides
c) Amino Acids
400
As the temperature of an enzymatic reaction increases, the speed of the reaction will initially increase before decreasing and dropping to 0. Which of the following best explains this?
a) the enzymes are working too quickly in the hotter temperature
b) the temperature increase will eventually denature the enzymes
c) the temperature increase is causing the enzymes to move slowly
d) the temperature ncrease is burning the substrate
b) the temperature increase will eventually denature the enzymes
400
Which of the following correctly describes a difference between positive and negative feedback systems?
a) Positive feedback systems are more common than negative feedback sustems
b) An example of negative feedback is blood clotting, an example of positive feedback is temperature control.
c) Negative feedback always maintains homeostasis, positive feedback does not initially.
d) Negative feedback only occurs in bacteria.
c) Negative feedback always maintains homeostasis, positive feedback does not initially.
500
Based on your knowledge of word parts, the word "cytochrome" would most likely mean:
a) a glowing cell
b) a colorful cell
c) the study of color
d) a cell photograph
b) a colorful cell
500
Based on the graph shown, what is the dependent variable?
a) Year
b) Percentage of sales
c) Method of sales
d) Type of purchase
b) Percentage of sales
500
Alayna has discovered a new molecule in the lab. Which of the following pieces of information would confirm that the molecule is a carbohydrate?
a) The molecule contains C, H, and O
b) The molecule is composed of amino acids
c) The molecule contains both nitrogen and phosphorus
d) The chemical formula of the molecule is C15H30O15
d) The chemical formula of the molecule is C15H30O15
500
If Joseph wants to increase the amount of product in an enzymatic reaction, which of the following changes would most likely achieve his goal?
a) Increasing the amount of enzyme used.
b) Increasing the temperature of the reaction.
c) Increasing the amount of substrate used.
d) Increasing the pH of the reaction.
c) Increasing the amount of substrate used.
500
Which type of feedback is shown below?
a) Negative
b) Positive
c) Neutral
d) Not enough information to tell
b) Positive