Biology Finals Review

The relationship between a tapeworm and a human.  The tapeworm gains food while the human is harmed.

• A.

  Commensalism

• B.

  Parasitism

• C.

  Predation

• D.

  Mutualism

Which of the of following is an organism that produces food from sunlight?

• A.

  Producer

• B.

  Consumer

• C.

  Autotroph

• D.

  Heterotroph

The characteristic of life that allows for an organism to use chemical reactions to power its body is called:

In an experiment, plants were placed in a greenhouse and exposed to different audio stimulus.  The control group was left alone.  One group was played a recording of classical music.  Another group was played rock music.  Another group was played a recording of a human complimenting the plants. The plants were allowed to grow for two weeks while being watered the same amount at the same time.  What is the dependent variable in this experiment?

• A.

  The type of audio stimulus.

• B.

  The amount of water the plants were given.

• C.

  The height of the plants after two weeks.

• D.

  If audio stimuli improve plant growth, then the exerimental groups should all be taller than the control

Which of the following is correct?  More than one answer may be selected.

• A.

  PH of 9 is acidic.

• B.

  PH of 7 is neutral.

• C.

  PH of 3 is basic.

• D.

  PH of 14 is basic.

• E.

  PH of 12 is acidic.

• F.

  PH of 2 is acidic.

An atom has an atomic number of 21 and an atomic mass of 45.  How many protons does it have?

In experiment to determine how well different materials insulate a water, 40 degree Celsius water was poured into 4 different bottles.  One bottle was left unwrapped.  The second bottle was wrapped in bubble wrap.  The third bottle was wrapped in newspaper.  The fourth bottle was wrapped in plastic wrap. What are some variables that must be controlled in this experiment?  More than one answer may be selected.

• A.

  The amount of material used to wrap each bottle.

• B.

  The time each bottle is allowed to cool down.

• C.

  The initial temperature of the water.

• D.

  The final temperature of the water.

• E.

  The material each bottle was wrapped in.

In the carbon cycle, plants turn atmospheric carbon dioxide into usuable glucose through the process of ____________________________.

One siberian tiger (Panthera tigris altaica) is an example of an organism.

• A.

  True

• B.

  False

One fish, two fish, red fish, blue fish! Looking at a fish tank and only talking about ALL OF THE DIFFERENT types of fish best describes a(n):

• A.

  Ecosystem

• B.

  Community

• C.

  Population

• D.

  Organism

All of the following are abiotic factors that make life in the deep sea difficult except:

• A.

  Sunlight

• B.

  Temperature

• C.

  Sulfur content

• D.

  Whale carcasses

An organism that obtains carbon by eating a producer can be called:  (More than one option may be selected)

• A.

  Carnivore

• B.

  Herbivore

• C.

  Autotroph

• D.

  Heterotroph

A population that grows without respect to any limits multiplies very quickly.  This type of growth is called ________________________.

What statement is true about energy in a food web?

• A.

  Energy remains constant as you increase in trophic levels.

• B.

  The majority of energy is concentrated in top predators.

• C.

  The majority of energy is concentrated in primary consumers.

• D.

  Energy is lost as you increase in trophic levels.

The subatomic particles found in the nucleus are: (THERE ARE MORE THAN ONE!)

• A.

  Protons

• B.

  Neutrons

• C.

  Electrons

A bond formed between a positively and negatively charged particle due to electric attraction is:

• A.

  Covalent

• B.

  Ionic

• C.

  Hydrogen bonding

A biomolecule that is a long chain of fatty acids is called a:

• A.

  Protein

• B.

  Carbohydrate

• C.

  Lipid

• D.

  Nucleic acid

Inhibition where the inhibitor is binds at the active site of an enzyme, preventing the substrate from binding is known as non-competitive inhibition.

• A.

  True

• B.

  False

Enzymes are proteins that catalyze the reactions of a specific substrate at an active site without denaturing unless inhibited in a competitive or non-competitive manner. Based on that statement, which of the following is FALSE?

• A.

  Enzymes can be reused.

• B.

  One enzyme can break down multiple different things.

• C.

  Enzymes reduced the amount of energy needed in a reaction.

• D.

  Enzymes can be forced to stop working in a variety of methods.

When the shape of the active site changes it no longer works.  Which of following changes the shape of the active site of the enzyme?  (More than one answer may apply)

• A.

  Extreme temperature

• B.

  Extreme pH

• C.

  Non-competitive inhibition

• D.

  Competitive inhibition

Every single one of your cells contains only a single enzyme.  Those cells are then shuffled around to do their job within your body.

• A.

  True

• B.

  False

C6H12O6 + 6O2 --> 6CO2 + 6H20 + ATP (Choose all that apply)

• A.

  Is the formula for photosynthesis

• B.

  Is the formula for cellular respiration

• C.

  Is the formula for protein synthesis

A cell that has a nucleus and organelles must be

• A.

  Prokaryotic

• B.

  Eukaryotic

• C.

  Unable to tell

The organelle responsible for intracellular transport of proteins and lipids is the

• A.

  Ribosome

• B.

  Golgi

• C.

  ER

• D.

  Vacuole

Which of the following organelles is appropriately paired with their function? (choose all that apply)

• A.

  Lysosome - digestion of worn out cell parts

• B.

  Vacuole - transport of materials

• C.

  Nucleus - control center of the cell

• D.

  Ribosome - protein manufacture

• E.

  Mitochondria - creation of energy through cellular respiration

• F.

  Chloroplast - manufacture of glucose from sunlight

• G.

  Cell membrane - internal structure of a cell

Here are the chemical structures a biomolecule of each type. Carbohydrate (Glucose)- C6H12O6 Lipid (Oleic Acid)- C18H34O2 Protein (Collagen)- C5978H9285N1835O1941S31 Nucleic Acid (ATP)- C10H16N5O13P3 Which of the following is true?  (Choose all that apply)

• A.

  All biomolecules contain the element nitrogen

• B.

  All biomolecules conatin the element carbon

• C.

  All biomolecules can be described as elements.

• D.

  All biomolecules can be described as compounds.

Ecology is the study of the ineraction of biotic and abiotic factors.  What does that mean?

• A.

  Ecology studies populations.

• B.

  Ecology studies communities.

• C.

  Ecology studies organisms.

• D.

  Ecology studies ecosystems.

The following chemical equation is balanced. H2O2 --> H2O + O2

• A.

  True

• B.

  False

The part of a microscope that has different magnifications is called the:

• A.

  Objective

• B.

  Diaphragm

• C.

  Stage

• D.

  Eyepiece

______________________ is a property of water that means part of water has a partial postive charge and part of water has a partial negative charge.  Because of this property, water dissolves other similar molecules like salt and sugar.

Ice floats on water because of this property.

The following chemical equation is balanced: 2HBr + NaOH --> NaBr + H2O

• A.

  True

• B.

  False

Which step of the scientific method do you predict the results of an experiment YOU HAVE NOT RUN YET.

• A.

  Question

• B.

  Research

• C.

  Hypothesis

• D.

  Conclusion

The plant was 14 cm tall.  This is an example of what kind of data?

• A.

  Quantitative

• B.

  Qualititative

A specific enzyme works best at pH 7.  When placed in a pH of 3, the enzyme no longer works.  Likely, the enzyme has been ______________________.

Cell walls can be found in what kind of cells?  (More than one answer more apply)

• A.

  Plants

• B.

  Bacteria

• C.

  Animals

What is the definition of independent variable?

• A.

  A variable that changes as a result of another variable

• B.

  A variable that is kept constant

• C.

  A variable that is observed

• D.

  A variable changed by the experimenter

In an experiment, a scientist wants to discover how quickly mice can learn a maze.  In the experiment he has one group run the maze with a food reward and one group runs the maze without a food reward.  He also changes the maze between every single trial.

• A.

  The experiment is set up correctly.

• B.

  The experiment is set up incorrectly.

The element neon has 8 electrons in its outer shell, an atomic number of 10, and an atomic mass of 21.  Which of the following is true? Choose all that apply.

• A.

  Neon will not form any covalent bonds.

• B.

  Neon has 8 protons.

• C.

  Neon has 10 electrons.

• D.

  Neon has 8 neutrons.

After Mount St. Helens erupted, wildlife in a huge area was destroyed.  The process of the area going from forest to volcanic wasteland back to forest can be described as:

• A.

  Primary succession

• B.

  Secondary succession