Biology Midterm

If you notice that your dog only barks at 2:00 p.m., this would be a(n)

Which organelle uses sugars to produce energy in the form of ATP for the cell

A student formulated a hypothesis that cotton will grow larger bolls if magnesium is added to the soil. The student has two experimental fields of cotton, one with magnesium and one without. Which data should be collected to support this hypothesis?

The part of an experiment to which all others may be compared is called the

If a cells' concentration of it's solvent is 96.4%, what is the concentration of the solute

The variable that your purposely change in an experiment is called

The part of an experiment that occurs as a result of the scientist's introduced variable is called the

The part of an experiment that does not change, but serves as a standard for study to which all others can be compared is the

When molecules move against a concentration gradient, which process is required

Which of the following would be a testable hypothesis

A pattern that has been observed over generations of time is a(n)

In a Chlorine ion, the number of protons and the number of electrons are

An enzyme that hydrolyzes lactose into glucose and galactose is

The processes involved in an organism maintaining its body chemistry and systems at a preset level is called

Which one of the following could be considered subjective data

Which process would be required for a polymer to be reduced to monomers

To make an atom into an ion, you would subtract which subatomic particle

Some chickens lay an egg every day. Other chickens produce few eggs. A study is planned to examine factors that might affect the number of eggs produced by chickens. Which of the following is NOT a suitable hypothesis for the study

If the pH of a solution has decreased from 5 to 2, the concentration of what ion has increased in number

The current knowledge concerning cells is the result of the investigations and observations of many scientists that may cover decades of time. The work of these scientists forms a well-accepted body of knowledge about cells. This body of knowledge is an example of a

If a cell is placed in a hypertonic solution, the following event would occur

In a solution, the substance that is present in the greater amount is called

Solutions with a high pH value are considered to be

Solutions with a high pH value are considered to be

The variable that the scientist purposely changes in an experiment is called

If the results of an experiment are unexpected, what should you do

The responding variable that is measured in an experiment is called

An atom does not normally have an electrical charge because

The first step of the scientific method is

The three most common elements in your body are

If a cell is placed in a hypotonic solution, the water would flow

In the formation of ionic bonds, electrons are

A hypothesis

Organic compounds are joined using the process of

The octet rule states that elements, except for Hydrogen and Helium, with respect to the number of electrons, will prefer to have

If a theory is challenged by new evidence, which of the following could occur

You are looking at a cell under a microscope. How would you know that you were looking at a eukaryotic cell?

In order to prevent damage to a microscope, it must be carried by the

Plants and animals convert the energy stored in carbohydrates into usable energy for themselves using a process called

Plants make sugar using a process called

A well designed experiment should have

Which organelle is responsible for receiving and modifying molecules synthesized in the endoplasmic reticulum

If you have a control group for your experiment, which of the following is true?

The orderly process used to develop and answer questions about the natural world is

During dehydration synthesis, a water molecule is

If element A has 4 protons and 5 neutrons, and element B has 4 protons and 4 neutrons, elements A and B are

Osmosis is

If the results of an experiment turn out differently from what you expected, then

Which of the following would be a testable hypothesis

A decrease in four pH units would mean the ion concentration changed by