Modified True/False
Indicate
whether the statement is true or false. If false, change the identified word or phrase to make
the statement true.
|
|
|
1.
|
Animal parts such as hair, fingernails, and skin contain proteins.
_________________________
|
|
|
2.
|
Oils are carbohydrates that are liquid at room temperature.
_________________________
|
|
|
3.
|
All proteins are made up of 200 amino acids.
_________________________
|
|
|
4.
|
Proteins allow your body to initiate chemical reactions and control the
reaction rates. _________________________
|
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
5.
|
____ are made from simpler molecules called amino acids.
a. | Proteins | b. | Carbohydrates | c. | Lipids | d. | Starches |
|
|
|
6.
|
____ is a nucleic acid that contains the information cells need to make
proteins.
a. | Starch | b. | Hemoglobin | c. | DNA | d. | Glucose |
|
|
|
7.
|
Your body obtains the vitamins it needs from:
a. | synthesis. | b. | cellular respiration. | c. | food. | d. | photosynthesis. |
|
|
|
8.
|
____ allow your body to initiate chemical reactions and control the reaction
rates.
a. | Fats | b. | Carbohydrates | c. | Enzymes | d. | DNA |
|
|
|
9.
|
Digestion breaks down proteins into:
a. | carbohydrates. | b. | fats. | c. | DNA. | d. | amino acids. |
|
|
|
10.
|
Changes in the base pair sequences of DNA that can be passed on to successive
generations are called:
a. | synthesis. | b. | mutation. | c. | RNA. | d. | polymerase. |
|
|
|
11.
|
Which are the four nucleotides found in DNA?
a. | Adenine, Thymine, Guanine, Cytosine | b. | Thymine, Cytosine, Glucose,
Adenine | c. | Adipose, Thymine, Glucose, Cytosine | d. | Cytosine, Polymerase, Nitrogen,
Adenine |
|
|
|
12.
|
If a fat is completely saturated, what can you tell about it?
a. | It has double bonds between its carbon molecules. | b. | Its carbon atoms are
surrounded by as many hydrogens as possible. | c. | It is allowed to act as a
catalyst. | d. | It holds the codes for building proteins. |
|
|
|
13.
|
The diagram shows an enzyme and three different molecules. Which of the three
molecules would this enzyme target for a reaction?  a. | A | b. | B | c. | C | d. | None of the
molecules |
|
|
|
14.
|
A mother has a normal red blood cell with a base sequence of ACT CCT GAA GAA
AAA. Her son’s red blood cells have a base sequence of ACT CCT GTA GAA AAA. The son has:
a. | a change in the base sequence. | b. | produced the wrong protein. | c. | a mutation in the
base sequence. | d. | All of the above |
|
|
|
15.
|
One side of a DNA ladder has the base pairs in the following order: ATCGGTTCCA.
What is the order of base pairs on the other side of the DNA ladder?
a. | CGATTGGAAC | b. | ATCGGTTCCA | c. | GCTAACCTTG | d. | TAGCCAAGGT |
|
|
|
16.
|
The order of the base pairs in a strand of DNA is important because:
a. | an organism can only survive if the base pairs are in the correct
sequence. | b. | it forms a code that tells a cell which protein to make. | c. | it forms a code that
tells a cell how to reproduce. | d. | None of the above: the order of base pairs
doesn’t matter |
|
|
|
17.
|
Which of the following is made up of amino acids?
a. | Cooking oil | b. | Animal fur | c. | Cellulose | d. | Cholesterol |
|
Completion
Complete each
statement.
|
|
|
Select the correct term to complete each sentence. There are extra terms in
the list.| 4 bases | 3 bases | mutation | | cytosine | guanine | fats | | carbohydrates | proteins | nucleic acid | | amino
acid | protein synthesis | photosynthesis | | folded circle | double helix | catalyst | | | | | | | |
|
|
|
18.
|
DNA is an example of a(n) _________________________, that contains the
information cells need to make proteins.
|
|
|
19.
|
The base pair cytosine only pairs with the base pair ____________________ in DNA
sequencing
|
|
|
20.
|
DNA molecule are in the shape of a _________________________.
|
|
|
21.
|
_________________________ are the building blocks of proteins.
|
|
|
22.
|
Enzymes are a type of ____________________ for chemical reactions.
|
|
|
23.
|
A father has the base sequence ACT CCT GAA GAA AAA, and the base sequence of his
son is ACT CCT GTA GAA AAA. A ____________________ has occurred during protein production.
|
|
|
24.
|
The code for one amino acid is made of ____________________.
|
Short Answer
|
|
|
25.
|
A person who has a diet high in partially hydrogenated fats may be putting
themselves at risk. Explain why.
|
|
|
26.
|
Explain the difference between a saturated fat, an unsaturated
fat, and a partially hydrogenated fat.
|
|
|
27.
|
Explain how your body obtains the vitamins it needs. Describe the
functions of 3 vitamins needed by your body and which types of food they are found
in.
|
|
|
28.
|
Plants store some of the energy they need as fats, but store most of the
energy they need as carbohydrates. Animals store some of their energy as carbohydrates, but
most of the energy they need is stored as fats. Why do you think animals use fats for energy
storage instead of carbohydrates?
|
|
|
29.
|
A double helix DNA molecule has the following
code:
ATGCTTGCT
TACGAACGG
After DNA is reproduced, what do you have?
|
Other
|
|
|
30.
|
In order for an enzyme to bind to its target molecule, it must have a special
shape. Draw a labeled diagram that shows an enzyme and its specific target
molecule.
|