ATI TEAS Test Practice: Percentage Change
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Questions and Answers

What is the proper fraction form of 1.05?

21/20

Which of the following words from the sentence 'I asked him to mow the lawn today while I was at work' is a pronoun?

  • while
  • lawn
  • him (correct)
  • I
  • What is the most common cause of liver disease in North America?

    Alcohol abuse

    How does an allele appear when it is recessive for a particular trait in a Punnett square?

    <p>Lowercase</p> Signup and view all the answers

    What effect does increasing the temperature have on the reaction rate of a chemical reaction?

    <p>It increases the chance of contact by causing particles to move around faster due to greater kinetic energy.</p> Signup and view all the answers

    What is the atomic number of an element that contains 45 protons?

    <p>45</p> Signup and view all the answers

    What type of bond is formed when a hydrogen atom is attracted to a highly electronegative element?

    <p>Hydrogen bond</p> Signup and view all the answers

    Which lipid is a membrane component and a precursor to significant hormones?

    <p>Steroids</p> Signup and view all the answers

    When does the mitosis stage known as anaphase begin?

    <p>When chromosomes start to separate</p> Signup and view all the answers

    What characterizes a subjective piece of writing?

    <p>It includes personal feelings, attitudes, and opinions.</p> Signup and view all the answers

    Which punctuation mark best completes the sentence? 'During a recent speech, Darla stated__ 'I am the only individual who has achieved perfection.'

    <p>Colon (:)</p> Signup and view all the answers

    What happens to the atomic radius as you move from left to right across the periodic table?

    <p>The atomic radius decreases</p> Signup and view all the answers

    Which of the following words from the sentence 'I found the lost stuffed animal under the bed' is a preposition?

    <p>under</p> Signup and view all the answers

    What is the sentence construction for 'I must have got some sun from working outside all day'?

    <p>Simple</p> Signup and view all the answers

    Which type of solution combines readily separate matter?

    <p>Emulsions</p> Signup and view all the answers

    The price of a 20" television changed from $450 to $400. Find the percentage change in price. What is the correct answer?

    <p>-11%</p> Signup and view all the answers

    Which of the following is not a type of natural lipid?

    <p>Supersaturated</p> Signup and view all the answers

    Which of the following is not true of mitosis?

    <p>Daughter cells are different than parent cells</p> Signup and view all the answers

    What is the role of the Golgi apparatus in the cell?

    <p>To provide transportation of materials throughout the cell</p> Signup and view all the answers

    When hydrocarbons are heated, its products are carbon dioxide and water. This is an example of which of the following?

    <p>Combustion</p> Signup and view all the answers

    When is a double covalent bond formed?

    <p>When two electron pairs are shared between two atoms</p> Signup and view all the answers

    Which suffix should be added to a word function to indicate resembling?

    <p>-oid</p> Signup and view all the answers

    Atoms are made up of all except which of the following?

    <p>Isotopes</p> Signup and view all the answers

    To which body system does cartilage belong?

    <p>Skeletal system</p> Signup and view all the answers

    In which of the following phases of matter do the molecules exert a strong attraction to one another as they move slowly relative to one another?

    <p>Solid</p> Signup and view all the answers

    Adrenocorticotropic hormone (ACTH) is produced by the pituitary gland. Which of the following identifies a function of adrenocorticotropic hormone?

    <p>Cortisol production</p> Signup and view all the answers

    Which of the following is the metric system's basic measure of weight?

    <p>Gram</p> Signup and view all the answers

    Identify the pronoun in the following sentence: He ran over the bike with a yellow truck.

    <p>He</p> Signup and view all the answers

    Read the following sentence and select the meaning of the italicized word: Insulin is endogenous and helps regulate blood sugar levels.

    <p>Produced within the body</p> Signup and view all the answers

    The author will typically use transition words such as one, next, another, first, and finally when writing what type of sentence?

    <p>Supporting detail</p> Signup and view all the answers

    Which of the following sentences is not an example of subject-verb agreement?

    <p>The students was driving the teacher crazy by yelling out answers.</p> Signup and view all the answers

    What can lead to the formation of calcium kidney stones?

    <p>Consumption of oxalates</p> Signup and view all the answers

    What do ribosomes use to create proteins?

    <p>RNA</p> Signup and view all the answers

    Express 432 cubic inches as a percentage of 1 cubic foot.

    <p>25%</p> Signup and view all the answers

    What is the primary purpose of catalysts?

    <p>To increase a rate of reaction</p> Signup and view all the answers

    During the glycolysis process of cellular respiration, what is produced?

    <p>Two ATP molecules, two pyruvate molecules, and two NADH molecules</p> Signup and view all the answers

    When a solid substance reaches a specific temperature it will transform into a liquid. This is known as what?

    <p>Melting point</p> Signup and view all the answers

    What is the layer of muscle that divides the right and left ventricles from the right and left atria called?

    <p>Septum</p> Signup and view all the answers

    At the end of meiosis, how many chromosomes does each daughter cell contain?

    <p>23</p> Signup and view all the answers

    Mitosis is a type of asexual reproduction. How many stages does this cell division process occur in?

    <p>Four</p> Signup and view all the answers

    If one atom of element X with a charge of 3- reacts with two atoms of element Y with a charge of 1+ each, what is the charge of the final product?

    <p>1-</p> Signup and view all the answers

    It is known that the gene that codes for male pattern baldness depends on the gene for red hair. This type of interaction between alleles is known as what?

    <p>Epistasis</p> Signup and view all the answers

    A tank loses 20 cubic inches of water after 3 hours through leakage. If the tank has 80,000 cubic inches of water, how much will remain in the tank after a total of two days?

    <p>79,680 cubic inches</p> Signup and view all the answers

    Find the result of the following operation: Multiply 3/4 by itself then subtract the result from 1.

    <p>7/16</p> Signup and view all the answers

    What is the independent variable(s) for Clay's science fair project?

    <p>Fast food</p> Signup and view all the answers

    How would 1.05 be displayed as a fraction?

    <p>Approximately 21/20</p> Signup and view all the answers

    Study Notes

    Percentage Change in Price

    • A television's price fell from $450 to $400, indicating a change of $50.
    • To calculate percentage change: (change in price / initial price) × 100 = (-11%).

    Types of Natural Lipids

    • Supersaturated is not a natural lipid; the other types include saturated, unsaturated, and polyunsaturated lipids.
    • Unsaturated and polyunsaturated lipids feature double bonds in fatty acid chains.

    Mitosis Facts

    • Mitosis produces identical daughter cells; thus, daughter cells are not different from parent cells.
    • The process consists of four phases: prophase, metaphase, anaphase, and telophase.

    Golgi Apparatus Function

    • The Golgi apparatus transports materials within eukaryotic cells.
    • Other organelles handle digestion (lysosomes), food uptake (vacuoles), and respiration (mitochondria).

    Chemical Combustion

    • Combustion occurs when hydrocarbons are heated, producing carbon dioxide and water.

    Double Covalent Bonds

    • A double covalent bond forms when two electron pairs are shared between atoms.

    Suffix Usage

    • The suffix -oid indicates resemblance (e.g., tabloid, spheroid).

    Atom Composition

    • Atoms consist of protons, neutrons, and electrons; isotopes are variants with differing neutron counts.

    Skeletal System

    • Cartilage belongs to the skeletal system, which supports movement, protection, and metabolism.

    Phases of Matter

    • Solids have molecules that exert strong attraction and move slowly compared to liquids and gases.

    Adrenocorticotropic Hormone (ACTH)

    • ACTH stimulates cortisol production; it is an important hormone in stress response.

    Metric System Weight

    • The gram is the basic weight measure in the metric system.

    Identifying Pronouns

    • Pronouns replace nouns; “He” is a pronoun in the sentence provided.

    Endogenous Definition

    • "Endogenous" means produced within the body, as in the case of insulin.

    Supporting Detail Indicators

    • Transition words typically indicate supporting details in writing.

    Subject-Verb Agreement

    • The sentence "The students was driving..." is incorrect; it should use "were."

    Kidney Stones Formation

    • Oxalates can contribute to calcium kidney stone formation.

    Ribosome Function

    • Ribosomes use RNA to synthesize proteins.

    Volume Calculation

    • 432 cubic inches is 25% of a cubic foot.

    Role of Catalysts

    • Catalysts increase the reaction rate without undergoing chemical change.

    Glycolysis Products

    • Glycolysis produces two ATP, two pyruvate, and two NADH molecules.

    Melting Point Definition

    • The melting point is the temperature at which a solid becomes a liquid.

    Septum in the Heart

    • The septum divides the right/left ventricles from the right/left atria.

    Meiosis Outcome

    • Each daughter cell from meiosis contains 23 chromosomes.

    Mitosis Overview

    • Mitosis consists of four stages: prophase, metaphase, anaphase, and telophase.

    Charge Calculation

    • A 3- charged atom of element X reacting with two 1+ charged Y atoms results in a final charge of 1-.

    Epistasis in Genetics

    • Epistasis involves one gene's effect being dependent on one or more modifier genes.

    Water Leakage Calculation

    • After two days, a tank will contain 79,680 cubic inches of water after leakage.

    Fraction Conversion

    • The decimal 1.05 can be expressed as the fraction 21/20.

    Additional Pronouns

    • In the sentence “I asked him…”, "him" is a pronoun.

    Liver Disease Cause

    • Alcohol abuse is commonly associated with liver disease.

    Recessive Allele Representation

    • Recessive alleles are represented by lowercase letters in Punnett squares.

    Temperature Effect on Reaction Rate

    • Increasing temperature enhances the reaction rate by increasing molecular movement.

    Atomic Number Definition

    • The atomic number of an atom is equal to the number of protons; here, it is 45.### Hydrogen Bonds
    • Hydrogen bonds form when a hydrogen atom is attracted to highly electronegative elements.
    • This type of bond is classified as an intermolecular force.

    Steroids

    • Steroids are a type of lipid that acts as membrane components.
    • They serve as precursors for significant hormones.
    • Lipids also encompass fatty acids and phospholipids, commonly referred to as fats.

    Mitosis: Anaphase

    • Anaphase marks the stage in mitosis when chromosomes begin to separate.

    Subjective Writing

    • Subjective writing reflects personal feelings, attitudes, and opinions.

    Punctuation: Colons

    • A colon (:) is used to introduce quotations, sentences, or questions formally.
    • Example usage: "Darla stated: 'I am the only individual who has achieved perfection.'"
    • As one moves from left to right across the periodic table, the atomic radius decreases.
    • This decrease occurs due to the increased number of protons, enhancing attraction forces drawing electrons closer to the nucleus.

    Prepositions

    • "Under" is identified as a preposition in the sentence about finding a stuffed animal.
    • Prepositions establish relationships between objects and other words in a sentence.

    Sentence Construction

    • The sentence "I must have got some sun from working outside all day" is classified as a simple sentence.
    • It consists of one independent clause and contains two phrases, lacking dependent clauses.

    Emulsions

    • Emulsions are solutions that readily combine separate matter, such as water and oil.
    • They differ from compounds, which create a single matter by mixing elements, and alloys, which form new types of metals.
    • Amalgams involve mercury to dissolve other metals.

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    Prepare for the ATI TEAS test with this practice flashcard focused on calculating percentage change. You'll learn how to find the percentage difference in price using a television example. Test your knowledge and improve your mathematical skills!

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