science

• The following are the evidences which proved that south america and africa were once joined together, EXCEPT

  both have cold climates
• It is the boundary between the outer core and the lower mantle

  gutenberg discontinuity
• this is the thinnest layer of the earth's composition


  crust
• what plate boundary is formed by sliding of two plates?

  transform
• what elements are present in the inner and outer core?

  iron and nickel
• scientists use the _____ as a way to determine the epicenter produced by an earthquake using different seismograph stations.

  triangulation method
• what plate boundary is formed of the moving of two plates apart?

  divergent
• he is a danish seismologist who discovered that the outer core is molten and the inner core is solid.


  inge lehmann
• the reason why most geologists rejected Alfred Wegener's idea of Continental Drift Theory


  There was no plausible mechanism to explain
• it is the boundary between the upper mantle and the crust

  mohorovicic discontinuity
• EM wave that is used for security markings such as the credit cards, banknotes and passports

  ultraviolet
• a mirror that makes an image of objects in front of the mirror

  plane mirror
• it is the bouncing back of light

  reflection
• an image that is inverted with respect to the object

  real
• it is the bending of light


  refraction
• like poles of two magnets, _____ and opposite poles of two magents___.

  repel, attract
• what EM wave carries the most energy?

  gamma ray
• diffuse reflection is a(n), ___reflection of light rays on a ___surface.

  uneven, rough
• magnets that have the ability to attract materials are called

  ferromagnetic
• it has a magnetic property for a limited time period under certain conditions

  temporary magnet
• if the DNA template reads "ATA" , which of the following would be the corresponding mRNA

  UAU
• the genetic code is based upon the reading of how many bases at a time

  three
• amino acids are held together by___bonds.

  peptide
• how many codons are needed to specify three amino acids?

  nine
• what type of RNA carries the information from the DNA in the nucleus to the cytoplasm?

  messenger RNA
• best describes an RNA

  it is always the nucleus
• sugar of RNA


  ribose
• process of converting the genetic information in DNA to synthesize mRNA

  transcription
• it is the process of removing noncoding genes from the mRNA

  RNA splicing
• occurs when sperm enter the uterus

  fertilization
• regulate many bodily activities, including heart rhythm, breathing, blood flow, oxygen and carbon dioxide levels?

  medulla
• responsible for involuntary movements

  autonomic nervous system
• in RNA molecule, which nitrogen base is found in place of thymine?

  uracil
• a codon that should code for a specific amino acids to be changed into a stop codon?

  nonsense mutation
• does not result in a change in the amino acids sequence

  silent mutation
• a mutation that cause a section of chromosome to be broken out and reinserted backwards

  inversion
• what do you call the change or error in the gene

  mutation
• transcription process will produced?

  mRNA
• transmits impulse from the cell body

  axon
• systems that deals with brain

  nervous system