1. science

    Tight junctions prevent the movement of the extracellular matrix between cells. A) True B) False Which one is it please :)
  2. science

    Tight junctions prevent the movement of the extracellular matrix between cells. A) True B) False Which one is it please :)
  3. tight junctions

    prevent the contents of the intestine from mixing with bodily fluid on the other side of the epithelium? The statement you made could be true...I'm not exactly sure what you were trying to ask, though... sorry, was asking if tight junctions prevent the
  4. HEALTH HELP PLEASE!!

    Fats help maintain your cell membranes. (1 point) True False 12. Your body does not use energy when you sleep. (1 point) True False 13. People with anorexia nervosa eat large amounts of food and then purge. (1 point) True False 14. Your body image is the
  5. Algebra

    Need help with these-- 40. The graph of the following system yields perpendicular lines: x + 2y = -10 -4y = 2x + 20 True or False? 42. If we multiply a 2 x 2 matrix with a 2 x 1 matrix, the product is a 2 x 1 matrix. -False? Thanks -MC
  6. Math

    Hi! I need help with these two questions. Thanks! :) 1.) Can we multiply the Matrix A (which is 3 x 4 matrix) by the other matrix, Matrix B (which is 3 x 4 matrix)? True Or False? 2.) When we multiply the 6 x 3 matrix by the 3 x 1 matrix, the final matrix
  7. Health

    The legal drinking age in the US is 21. True * False The legal BAC for underage drivers is less than 0.4 True * False If you have food in your stomach, it will soak up the alcohol. True False* If someone takes an aspirin before they drink, it'll prevent a
  8. helath help

    11. Fats help maintain your cell membranes. (1 point)True False 12. Your body does not use energy when you sleep. (1 point)True False 13. People with anorexia nervosa eat large amounts of food and then purge. (1 point)True False 14. Your body image is the
  9. Algebra 2

    Is it me or does this problem not make sense? (you can't solve it) 5. Solve for x in the following system: 6x + 6y = -2 y = -x I also need help in these: 38. We can take the product AB only if the number of columns of A equals the number of rows of B.
  10. Health

    The three lines of defense your body has against disease include all except? A. physical and chemical defenses B. inflammation C. immune system D. scarring True or false B cells and H cells are two important cells in the immune system that help fight
  11. health

    if i put a .... that's what ithink the answer is may u checkitin tell what i got wrong so i can retry to do it 11. Fats help maintain your cell membranes. (1 point)True False .... 12. Your body does not use energy when you sleep. (1 point)True False ....
  12. 7th grade health true or false

    11. Disagreements are a normal part of life. (1 point) True False 12. Talking to a trustworthy adult is the best way to stop sexual abuse and get help. (1 point) True False 13. Some conflicts are made worse by peer negotiation. (1 point) True False 14.
  13. Physical Ed

    11. Disagreements are a normal part of life. (1 point) True False 12. Talking to a trustworthy adult is the best way to stop sexual abuse and get help. (1 point) True False 13. Some conflicts are made worse by peer negotiation. (1 point) True False 14.
  14. science

    The nonliving matrix of the connective tissue through which the blood cells freely flow is the? A.plasma. B. extracellular fluid. C. intracellular fluid. D. submucosa.
  15. biology

    The nonliving matrix of the connective tissue through which the blood cells freely flow is the? A. plasma B. extracellular fluid. C. intracellular fluid. D. submucosa
  16. Anatomy & Physiology

    The nonliving matrix of the connective tissue through which the blood cells freely flow is? A. plasma B. extracellular fluid C. intracellular fluid D. submucosa
  17. Anatomy & Physiology

    The nonliving matrix of the connective tissue through which the blood cells freely flow is the? A. plasma B. extracellular fluid C. intracellular fluid d. submucosa
  18. health

    8. Roger broke out in an awful rash after hiking in an area where poison oak grows. he is likely suffering from______. A) asthma B) an allergy<<<< C) cancer D) hemophilia 9. If you wanted to research the components of a well-balanced diet,
  19. science cells

    true or false 1 animals cells have cell walls? 2 water and oxygen cannot pass through the cell wall? 1) TRUE 2) FALSE
  20. Reading

    can you help me thank you: 2.Detecting bias is one of the major keys to effective critical thinking and reading. True or False, I believe True 3.Deductively valid arguments can guarantee their conclusions. True or False, I believe it is false 4.A fallacy
  21. phy

    when the junctions of two dissimilar metals are maintained at different temperatures an electromotive force is set up in the circuit of which these junctions are part. a pair of junctions of this kind and the effect are known respectively as
  22. 7th grade health Ms. Sue please thanks

    True/False Indicate whether the statement is true or false. 11. A person with good self-esteem is willing to try new things. (1 point) True False 12. Stress can be positive or negative. (1 point) True False 13. Giving away prized possessions can be a sign
  23. Chemistry: Answer check please!

    1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of the arrow equals the mass on
  24. soc

    1)While it is rare, sometimes folkways can be laws. is it True or False? 2)Sanctions are always punishments for breaking norms. Is it true or false? 3)When change is brought about through movements such as the Civil Rights Movement and the Women's Suffrage
  25. Fine Arts

    The Hellenistic style was exemplified in A)Seasted boxer B) geometric cases C) Kouros D)Classical I said B Greek sculpture of the Classical period was characterized by? Greek sculpture of the Classical period was characterized by A)theatrical, emotional
  26. linear algebra

    3. Suppose A is symmetric positive definite and Q is an orthogonal matrix (square with orthonormal columns). True or false (with a reason or counterexample)? a) (Q^(T))AQ is a diagonal matrix b) (Q^(T))AQ is a symmetric positive definite matrix c)
  27. English

    1.) Anyone can publish information on the Internet without fact-checking it. A.) True************************ B.) False 2.) Public records are most likely to contain valid information than secondhand reports. A.) True******************************** B.)
  28. health

    true or false. B cells and H cells are two important cells in the immune system that help fight infection i thinks its false The three lines of defense your body has against disease include all except A. physical and chemical defense B. inflammation C.
  29. science

    True or False: One of the skin’s functions is to produce vitamin D (1 point) True False 2. Your _____ is the largest organ of your body. (1 point) brain large intestine skin lungs 3. The _____ is the outer, thinnest layer of your skin. (1 point) fatty
  30. health!

    True or False. Washing your hands can help protect you from dangerous pathogens True True or False. People die from colds each year True True or False. Infectious diseases are caused by organisms or viruses that enter and multiply within the human body.
  31. Linear Algebra

    Hi, I really need help with these True/False questions: (a) If three vectors in R^3 are orthonormal then they form a basis in R^3. (b) If Q is square orthogonal matrix such that Q^2018 = I then Q^2017 = Q^T. (c) If B is square orthogonal matrix then B^−1
  32. biology (true or false) cells

    True or false. A cell whose membrane potential is zero is in an ISOTONIC environment
  33. Fitness (Check answers)

    6) Gang member often have weapons and are involved in violence. TRUE OR FALSE ~ (my answer is TRUE) 7) Being disruptive in class and getting angry easily could be sign of abuse. TRUE OR FALSE ~ (my answer is FALSE) 8) People with high self-esteem are prone
  34. Fitness (Check answers)

    1) Sitting in class wearing ear buds during a lecture is effective listening. TRUE OR FALSE ~ (my answer is FALSE) 2) Defense mechanisms should be used as often as possible to deal with uncomfortable emotions. TRUE OR FALSE ~ (my answer is FALSE) 3) Daily
  35. French Check Ms. Sue

    Please check this. Thank you! 1. France is a country in Asia. true false*** 2. There are many countries in Africa where French is one of the principal languages of the people. true false 3. Québec, in Canada, is a French speaking part of Canada. true***
  36. chemistry

    In the chemical plating experiment zinc powder is dissolved in a hot NaOH solution to form sodium zincate according to the following reacton: Zn(s) + 2NaOH(aq) Na2ZnO2(aq) + H2(g) Answer true or false for each of the following statements regarding the
  37. health part2

    The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the
  38. health part2

    The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the
  39. Health

    1. flammable materials A. catch fire easily and burn easily B. are only something construction workers need to worry about C. are safe if stored correctly D. don't catch fire easily 2. You can prevent most accidents true or false 3. Avoid deserted places,
  40. English12

    Below, you will find a list of sentences. After each sentence, select true if the topic of the statement is suitable to form the basis of a single persuasive paragraph. If the topic of the statement in your textbook is unsuitable for a single persuasive
  41. Physics of Modern Technology

    Label as true each of the following processes that are considered destructive to cells of a living organism (like you!). Label as false if they are not considered significantly destructive to cells of a living organism. A slow neutron combines with a
  42. Math

    Mark each of the following True or False. ___ a. All vectors in an orthogonal basis have length 1. ___ b. A square matrix is orthogonal if its column vectors are orthogonal. ___ c. If A^T is orthogonal, then A is orthogonal. ___ d. If A is an n*n symmetric
  43. Career

    23.)The service that keep house appliances running are called utilities True or False 24.)Friends & family are often handy sources of valuable information about costs of living true or False 25.)Insurance is intended to protect you against major financial
  44. Health Truth or False PLEASE CHECK ANSWERS

    $$ = MY ANSWER Just as a person inherits physical traits, a person inherits personality traits as well. True $$ False 2. Peers cannot have a direct impact on your personality. True $$ False 3. Your behavior and personality sometimes come directly from role
  45. Biology!!!!!

    7)State whether the following sentences are true or false. Rewrite them if they are false. a) Every chemical reaction taking place in cells is regulated by a specific enzyme. b) Enzymes work inside cells only. c) Enzymes are carbohydates d) An active site
  46. Environmental Science

    1. Decibel is a measurement of the amount of pollution (True or False) 2. Non-Point-Source pollution can be traced to one specific source (True or False) 3. Point-Source pollution is pollution that comes from identifiable locations. (True or False) 4.
  47. grammar

    Can you please tell if the follong questions are true or false (fragment) 1. That movie, one of my favorites, true or false? 2.-The local baseball team, needing a good picher true or false? 4.- Using a flashlight, he looked under the bed for his shoes true
  48. Science

    Hi. Could you Please check my answers? I just want to make sure they are correct. Thanks for the help in advance :). True or false: All matter on Earth contains energy- true? True or false: the molecules in frozen water are in motion- true? True or false:
  49. English

    1.A limerick has four lines. True or False? I think its true 2. The words he said are considered part of the dialogue. True or False? I think its true 3. Plot, character, and setting do not affect one another. I think its false 4.Narration and description
  50. English Ms. Sue?

    1.A limerick has four lines. True or False? I think its true 2. The words he said are considered part of the dialogue. True or False? I think its true 3. Plot, character, and setting do not affect one another. I think its false 4.Narration and description
  51. physical edu

    antioxidants help protect cells from damage that can occur throughout life? True or False is it False
  52. Science

    1: TRUE or FALSE? Elements are pure types of matter. 2: TRUE or FALSE? Atoms are made from molecules. 3: TRUE or FALSE? Chlorophyll is needed for cellular respiration. 4: TRUE or FALSE? Matter and energy flow through food chains. 5: TRUE or FALSE? Chemical
  53. Health

    True or false: Universal precautions attempt to prevent infectious diseases from being spread from the victim to the good Samaritan and vice versa. A. True*** B. False The first step in an emergency is A. Check*** B. Call C. Care D. Do Something It is
  54. history

    1.Pop art reflected the cultural revolution of the 1960's a. True b. False (A) 2.The Twist and the Monkey were popular musical groups. a. True b. False (B) 3.The Hare Krishna attracted young people who rebelled against society. a. True b. False (B) 4.
  55. Civics Economics

    1. Nixon's credibility as President was severely strained by the Watergate scandal. a. True b. False (A) 2. In the 1970's, the federal government gave up its policy of trying to Americanize the Indians. a. True b. False (B) 3. Vietnam was no longer an
  56. Science 1

    Shock waves from supernovae disrupt an interstellar cloud and prevent it from forming stars. True or False TRUE
  57. Physics Please check my answers

    It's possible for a body to have both rotational and translational motion at the same time. True. << False. 2. The moment of inertia of an object would be different on the surface of the earth than on the surface of the moon. True. << False. 3.
  58. Health

    1. Your respiratory system is the system in your body that is responsible for breathing. True False 2. The lungs are made up of thick fibrous tissue. True False 3. Internal respiration takes place in the alveoli. True False 4. The alveoli are located at
  59. Check Answers Please

    1. The two health-related components of fitness are muscular strengthand muscular endurance. True False 2. Circuit resistance training utilizes only aerobic energy. True False 3. The training program for muscular endurance should not resemble the activity
  60. science

    a current is the movement of water in the sea. a) false b)true true
  61. Health JUST NEED ANSWERS CHECKED :)

    1. The two health-related components of fitness are muscular strengthand muscular endurance. True False 2. Circuit resistance training utilizes only aerobic energy. True False 3. The training program for muscular endurance should not resemble the activity
  62. Spanish 3 Homework.

    Hello. For these questions I have to specify whether these sentences are in the correct Spanish form. 1. “Tú das la tarea a tu maestro.” con pronombres es “Tú le la das.” True or false **FALSE 2. “El hombre manda un mensaje a su esposa.” con
  63. College Critical Reading

    Can someone please let me know if I am right on these True/ False questions. I like to make sure that I am understanding this information. Thanks in advance for your help ;-) 1. Journalism has professional values of striving for subjectivity, currency,
  64. Computer science

    While you can pass only one argument into a function, you can return as many values as needed from a function. True False A library function saves time for the programmer because it allows for code reuse. True False Each function should be flowcharted
  65. science

    True or False Mutation of germ cells can be inherited. True?
  66. INT 1111

    QUESTION 1 When using the OR logical operator to connect 2 conditions to create a complex Boolean expression, neither the first condition nor the second condition has to be true for the complex Boolean expression to be true. True False QUESTION 2 String
  67. government

    1. The Framers of the US Constitution supported political parties. A) True B) False 2. The US is predominantly a multiparty system. A) True B) False 3. The main focus of major parties is to nominate candidates and get them elected. A) True B) False 4. The
  68. Chemistry: Check please, these are hw assignments

    1. Gases can be considered fluids. a.) True b.) False Answer: False 2.Gases are not easily compressed. a.) True b.) False Answer: True 3. Gases spread to fill out space. a.) True b.) False Answer: True 4. Increased pressure on a gas at constant temperature
  69. math

    Indicate whether each statement is true or false by checking the appropriate box in the table below. a. 2x is a factor of the expression (2x + y ). True or False b. (2x + y ) is a factor of the expression 3(2x + y ). True or False c. (2x + y ) is a sum of
  70. computer science

    QUESTION 1 When using the OR logical operator to connect 2 conditions to create a complex Boolean expression, neither the first condition nor the second condition has to be true for the complex Boolean expression to be true. True False QUESTION 2 String
  71. Grammar and Composition

    please check my answers: Write true if the statement is true, and false if the statement is false. 1. An Etymology is a type of dictionary. False 2. An unabridged dictionary is a condensed version. False 3. Etymologies appear in [ square brackets ]. True
  72. Physics Please check my answers

    A sound of 7 kHz frequency is well within the normal hearing range of most people. True. False. << 2. Sound is a transverse compression wave. True. False.<< 3. The decibel level of a sound can have a negative value. True.<< False. 4. The
  73. Geometry true or false

    I just needto check to see if i'm right... It would be false right? Is the statement below true or false? All triangles have three angles, or all squares have nine sides. True False
  74. psychology

    Most stereotypes are completely true. False True When evaluating sources for research, it is important to look for whether the author has any bias. False True False, True?
  75. Science

    Pneumonia is a disease that causes fluid to build up in the alveoli of the lungs. Which of the following would you expect to be impaired in patients with pneumonia? A. movement of carbon dioxide out of body cells. B. movement of carbon dioxide out of the
  76. Anatomy and Physiology

    Please check my answer thanks True or False Keratinized cells are found in the body by the subcutaneous layer of the skin I said True
  77. English

    1. True or False: Shakespeare's works were written to be preformed on stage TRUE* FALSE 2. True or false: William Shakespeare married Anne Hathaway at the age of 30 in London True False* 3. Which of the following is NOT one of the components of drama. A.
  78. U.S. History (Check)(REED)

    1. True or False: Japan became under control of militarists several years before WWII started. A: True 2. True or False: Hitler attacked the Soviet city of Stalingrad, but the Soviets were able to stop Hitler. A: True. 3. True or False: Many people moved
  79. Health

    1. It is not possible to get a good workout at home. True *False 2. Most home equipment is expensive. *True False 3. A treadmill is a good choice of home equipment for a person who wants to improve their cardiovascular fitness. *True False 4. Something as
  80. Career

    23. Few, if any skills can be used in more than one job situation. True False *** 24. It is possible to have some skills that you do not actually enjoy very much. True *** False 25. When talking about job skills, the letters TIP stand for Things, Ideas and
  81. Biology

    Which of the following statements about sexual and asexual reproduction is FALSE? A)Genetic diversity occurs in sexual reproduction. B)Asexually reproducing organisms can repair their own DNA. C)There are no special reproductive cells in asexual
  82. math

    Indicate whether each statement is true or false by checking the appropriate box in the table below. a. 2x is a factor of the expression (2x + y ). True or False b. (2x + y ) is a factor of the expression 3(2x + y ). True or False c. (2x + y ) is a sum of
  83. math

    Indicate whether each statement is true or false by checking the appropriate box in the table below. a. 2x is a factor of the expression (2x + y ). True or False b. (2x + y ) is a factor of the expression 3(2x + y ). True or False c. (2x + y ) is a sum of
  84. biology

    The plasma membrane: Tick the box next to the ONE answer you believe is TRUE. A. can generate action potentials in excitable cells B. may burst in hypertonic extracellular solution C. can contain carbohydrates which confer ion permeability. D. is made up
  85. PHI 103

    Will someone please confirm my answers here. I'm stumped. Feel good, but not sure. Thank you. 1. "Julie and Kurt got married and had a baby" is best symbolized as M v B M & B M ¡æ B M ¡ê B My choice is C 2. What is the truth value of the sentence "P v
  86. chemistry

    can you check my answers(has star next to it) 1. Absolute zero is when T = 0 K. A. true* B. false 2. Molecular motion is neglibible at absolute zero. A. true* B. false 3. Absolute zero is the temperature when P = 0. A. true* B. false 4. Absolute zero is
  87. P.E

    1. Air pollutants can do all of the following EXCEPT: A. damage the respiratory system. B. enter the bloodstream and harm other parts of the body. C. cause discoloration to your hair. D. reduce your protection from the sun's radiation.*** 2. True or False
  88. Government

    1. The main purpose of a legislature, whether it be the Indiana General Assembly or the US Congress, is to MAKE laws. True False 2. Indiana's two US Senators are Richard Lugar (R) and Dan Coats (R) True False 3. Currently in the US House of
  89. Sociology

    plz help me asap Emile Durkheim was interested in "Function" of all of the separate elements that make up society. True or false (i think false ) An example of a positive informal sanction is when a parent gives a student praise for doing well on a test.
  90. Physics: true or false

    1. In a gas kept at a constant temperature, all molecules move with the same speed. A. True B. False 2. A hot object has more thermal energy than a similar cold object only because of greater kinetic energy. A. True B. False 3. The thermal energy of the
  91. Physics Please check my answers

    1. Complete reflection is the special case of refraction at an angle of 180. True. False. 2. A resonant frequency is the same as a natural frequency. True. False. 3. For a standing wave, the number of segments is an integer equal to the number of
  92. History

    The Magna Carta laid the foundation for a written social contract between the government and the people. True* False It protected the rights and property of all those considered to be free men. True * False It limited the king's power to tax without the
  93. Sociology

    Societies norms, values and beliefs are enforced through internalization and sanctions (Points : 2) true or false An example of a positive informal sanction is when a parent gives a student praise for doing well on a test. (Points : 2) true or false Emile
  94. Civics Economics

    1. Nixon's plan to achieve peace in Vietnam was called the "silent majority." a. True b. False (B) 2. Killings at Kent State and Jackson State Universities rallied the nation's support for the Vietnam War. a. True b. False (A) 3. One result of the Yom
  95. math

    3. Indicate whether each of the given statements could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. (True or False) b. The median is greater than the first quartile.
  96. math

    3.Indicate whether each of the given statements could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. (True or False) b. The median is greater than the first quartile. (True
  97. Health

    2. Thirty minutes of physical activity a day can improve your family's health and can help to bring you closer together. True False 3. Most people that participate in physical fitness do not enjoy encouraging their family members to get involved with them.
  98. calculus

    Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false. a- if f is a function of x and y and a is a real number, then f(ax, ay)= af(x,y). b- if fx(a,b) < 0, then f
  99. Physics

    The atomic number of an element is determined by the number of electrons in the nucleus of the atom. True False*** The motion of electrons can be predicted precisely. True False*** Leptons are found in the nucleus of atoms. True False*** Matter can change
  100. science

    14. the sun's layer is called the photosphere . ( 1point) A. true b. false 15. meteoroids can form when comets break apart , creating dust clouds . ( 1point ) A. true b. false 16. a star is born whenever a nebula expands . ( 1point ) A. true b. false 17. a