SCIENCE TEAS 7
TEAS 7 Test Chemistry (All TEAS Test Topics) from Smart
Edition Academy's TEAS 7 online course
1. Cohesion: Cohesion is the tendency of particles of the same kind to stick to each other and is
an important property to consider when looking at states of matter.
2.Thisimage desc...
1. Test 1
Which of the following best describes one of the roles of RNA?: Sending messages about the
correct sequence of proteins in DNA
2. Test 1
Which part of the cell provides energy for cellular functions?: Mitochondria
3. Test 1
What function do ribosomes serve within the cell?: Ribosomes aid in protein synthesis.
4. Test 1
How do DNA and RNA function together as part of the human genome?: RNA
carries genetic information from DNA to the cell cytoplasm.
5. Test 1
Which statement most accurately compares and contrasts the structures of DNA and RNA?:
Both DNA and RNA have 4 nucleotide bases. Three of the bases are the same, but the fourth base is
thymine in DNA and uracil in RNA.
6. Test 1
Which of the following characteristics is part of a person's genotype?: The
CFTR gene, which causes cystic fibrosis
7. Test 1
What type of molecules are enzymes?: Protein molecules
8. Test 1
,What functions do genes serve in the relationship between parents and offspring?: Genes
enable hereditary information to be passed from parents to offspring.
9. Test 1
Fill in the blanks in the following sentence:
Enzymes are molecules that serve as for certain biological reactions.: large;
catalysts
10. Test 1
Use the Punnett square to answer the question below:
B=allele for brown eyesB=allele for brown eyes; b=allele for gre lele for green eyes en eyesb=al-
Which word describes the allele for green eyes?: Recessive
11. Test 1
Use the Punnett square to answer the question below:
B=allele for brown eyesB=allele for brown eyes; b=allele for green eyes
own eyes?
What is the probability that the offspring produced will have br
Round your answer to the nearest whole percentage.
%: 75
12. Test 1
Which of the following statements accurately characterizes the relation- ship between genes
and chromosomes?: Each chromosome contains multiple genes.
13. Test 1
Note:The row labeled with * is the lanthanide series, and the row labeled with
^ is the actinide series.
,On average, how many neutrons does one atom of bromine (Br) have?: 44.90
14. Test 1
Note:The row labeled with * is the lanthanide series, and the row labeled with
^ is the actinide series.
On average, how many protons does one atom of zinc (Zn) have?: 30
15. Test 1
A substance is only considered acidic if it has a pH of less than what?: 7
16. Test 1
Which of the following quantities do catalysts alter to control the rate of a chemical
reaction?: Activation energy
17. Test 1
Chemical C is a catalyst in the reaction between chemical A and chemical B. What is the effect
of chemical C?: Chemical C increases the rate of the reaction between A and B.
18. Test 1
An atom has 5 protons, 5 neutrons, and 6 electrons. What is the electric charge of this
atom?: Negative
19. Test 1
Element
H He Li Be Atomic number
1234
Approximate
, 1479
Read the table down
Which pattern below best describes the elements listed in the table?: The elements are
arranged in order by protons, with [H] having the fewest protons and [Be] having the most
protons.
20. Test 1
The process of changing from a liquid to a gas is called .: vaporiza- tion
21. Test 1
What type of chemical bond connects the oxygen and hydrogen atoms in a molecule of
water?: Covalent bond
22. Test 1
Which of the following statements describes a chemical property of water?-
: A water molecule contains 2 hydrogen atoms and 1 oxygen atom.
23. Test 1
Which of the following statements correctly describes the function of a physiological
structure?: The epiglottis covers the trachea during swallowing, preventing food from entering
the airway.
24. Test 1
Which of the following is an example of the location and function of cartilage in the body?:
The supportive pads that provide cushioning at joints, such as between the vertebrae of the spinal
cord
25. Test 1
Where are the parathyroid gland located?: b
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