Study

1. Science Unit 3

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  • During _______, the duplicated chromosomes are line up in the middle of the cell.
    metaphase
  • The basic unit of hereditary information is a/an _________________.
    gene
  • The ____________ is a set of events in the life of a cell that leads do cell division.
    cell cycle
  • The order of the base pairs in DNA makes up the letters of the _____________ code.
    genetic
  • What may be produced when immune cells release chemicals in reaction substances such as pollen and dust. a. an allergic reaction c. immune response b. acquired immunity d. leukocytes
    a. an allergic reaction
  • Which happens last in the cell cycle? a. interphase b. protein folding c. cytokinesis d. Mitosis
    c. cytokinesis
  • The four ____________ in DNA can be arranged in different ways.
    nucleotides
  • Which of the following are parts of a DNA molecule? a. sugar molecules, base pairs, phosphate groups b. amino acids, base pairs, sugar molecules b. sugar molecules, phosphate groups, amino acid d. base pairs, protein, white
    a. sugar molecules, base pairs, phosphate groups
  • What is the process by which cells move proteins out of the cell called? a. translation b. secretion c. transcription d. the cell cycle
    b. secretion
  • During ______, the chromosomes are pulled to opposite ends of the cell.
    anaphase
  • What base pairs with uracil in RNA? a. thymine b. guanine c. cytosine d. adenine
    a. thymine
  • How are Proverbs 15:13 and 15 like the verse you already read about a cheerful heart?
    They both talk about the benefits of a cheerful or a merry heart.
  • What is a protein synthesis?
    The process of building the proteins
  • A gene that codes for a protein is__________ as an RNA molecule.
    transcribed
  • Hair color is controlled by a/an _________________.
    inherited trait
  • When are chromosomes duplicated? a. anaphase b. cytokinesis c. telophase d. interphase
    d. interphase
  • Where does a DNA molecule store its genetic information? a. in the phosphate groups c. in the nucleotides b. in the sugar molecules d. in the proteins
    c. in the nucleotides
  • Which statement about hormones is not true? a. They help regulate salt and water in the body. b. They help a body respond to injury and stress. c. They translate the genetic code found on RNA molecules.
    c. They translate the genetic code found on RNA molecules.
  • White blood cells, or ____________, are parts of the blood that defend the body against disease.
    leukocytes
  • During __________, the genetic information is read on the RNA.
    translation
  • What is the first step in protein synthesis in which DNA acts as a template to produce an RNA strand. a. transference c. duplication b. transcription d. translation
    b. transcription
  • The process of building ____________ begins with information in a gene.
    protein
  • How does your body react in a potentially dangerous situation?
    Nerves will signal stress hormones to prepare the body for danger. Blood flow and respiration rates will increase in order for the body to run and think fast.
  • Identify the scientist/s who first made an accurate model of a DNA molecule. a. Watson and Crick c. Friedrich Miescher b. Hersey and Chase d. Wilkins and Franklin
    a. Watson and Crick
  • ___________ are produced and secreted from the glands of the endocrine system.
    hormones
  • How does your skin help your body respond to changes in temperature?
    The skin react to hot and cold. In cold weather shivering occurs and hairs stand on end. In warm weather evaporation of sweat from the skin helps cool the body.
  • Which of the following gland does NOT belong to the endocrine system? a. pituitary b. testes c. salivary d. thyroid
    c. salivary
  • What reads the RNA bases three at the time to manufacture cell proteins?
    d. ribosomes