Biology Midterm

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1.
1 point
A decrease in four pH units would mean the ion concentration changed by
2.
1 point
Which of the following would be a testable hypothesis
3.
1 point
If the results of an experiment turn out differently from what you expected, then
4.
1 point
Osmosis is
5.
1 point
If element A has 4 protons and 5 neutrons, and element B has 4 protons and 4 neutrons, elements A and B are
6.
1 point
During dehydration synthesis, a water molecule is
7.
1 point
The orderly process used to develop and answer questions about the natural world is
8.
1 point
If you have a control group for your experiment, which of the following is true?
9.
1 point
Which organelle is responsible for receiving and modifying molecules synthesized in the endoplasmic reticulum
10.
1 point
A well designed experiment should have
11.
1 point
Plants make sugar using a process called
12.
1 point
Plants and animals convert the energy stored in carbohydrates into usable energy for themselves using a process called
13.
1 point
In order to prevent damage to a microscope, it must be carried by the
14.
1 point
You are looking at a cell under a microscope. How would you know that you were looking at a eukaryotic cell?
15.
1 point
If a theory is challenged by new evidence, which of the following could occur
16.
1 point
The octet rule states that elements, except for Hydrogen and Helium, with respect to the number of electrons, will prefer to have
17.
1 point
Organic compounds are joined using the process of
18.
1 point
A hypothesis
19.
1 point
In the formation of ionic bonds, electrons are
20.
1 point
If a cell is placed in a hypotonic solution, the water would flow
21.
1 point
The three most common elements in your body are
22.
1 point
The first step of the scientific method is
23.
1 point
An atom does not normally have an electrical charge because
24.
1 point
The responding variable that is measured in an experiment is called
25.
1 point
If the results of an experiment are unexpected, what should you do
26.
1 point
The variable that the scientist purposely changes in an experiment is called
27.
1 point
Solutions with a high pH value are considered to be
28.
1 point
Solutions with a high pH value are considered to be
29.
1 point
In a solution, the substance that is present in the greater amount is called
30.
1 point
If a cell is placed in a hypertonic solution, the following event would occur
31.
1 point
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
32.
1 point
If the pH of a solution has decreased from 5 to 2, the concentration of what ion has increased in number
33.
1 point
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
34.
1 point
To make an atom into an ion, you would subtract which subatomic particle
35.
1 point
Which process would be required for a polymer to be reduced to monomers
36.
1 point
Which one of the following could be considered subjective data
37.
1 point
The processes involved in an organism maintaining its body chemistry and systems at a preset level is called
38.
1 point
An enzyme that hydrolyzes lactose into glucose and galactose is
39.
1 point
In a Chlorine ion, the number of protons and the number of electrons are
40.
1 point
A pattern that has been observed over generations of time is a(n)
41.
1 point
Which of the following would be a testable hypothesis
42.
1 point
When molecules move against a concentration gradient, which process is required
43.
1 point
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
44.
1 point
The part of an experiment that occurs as a result of the scientist's introduced variable is called the
45.
1 point
The variable that your purposely change in an experiment is called
46.
1 point
If a cells' concentration of it's solvent is 96.4%, what is the concentration of the solute
47.
1 point
The part of an experiment to which all others may be compared is called the
48.
1 point
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?
49.
1 point
Which organelle uses sugars to produce energy in the form of ATP for the cell
50.
1 point
If you notice that your dog only barks at 2:00 p.m., this would be a(n)