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Darkflower73 Darkflower73
wrote...
Posts: 669
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6 years ago
Which of the following types of papillae do NOT contain taste buds?
 
  a) Vallate
  b) Fungiform
  c) Foliate
  d) Filiform
  e) Circumvallate



(Question 2) Which of the following is NOT a factor affecting range of motion of a joint?
 
  a) Structure of articulating bones
  b) Tension of the muscles
  c) Hormones
  d) Disuse
  e) Eversion



(Question 3) A nerve impulse initiated at a muscle spindle has to travel through which of the following structures to get into the spinal column?
 
  a) Anterior root of spinal nerve
  b) Posterior root of spinal nerve
  c) Tectospinal tract
  d) Central canal
  e) Lateral reticulospinal tract



(Question 4) Where is the gastrocnemius?
 
  a) C
  b) D
  c) G
  d) H
  e) I



(Question 5) Which statement accurately describes how pH is related to denaturation?
 
  A. Either a large increase or a large decrease in pH can lead to denaturation.B.
  Neither a large increase nor a large decrease in pH can lead to denaturation.
  C. A large increase but not a large decrease in pH can lead to denaturation.D. A large decrease but not a large increase in pH can lead to denaturation.



(Question 6) When extreme temperature changes a protein's shape so much that it can no longer perform its usual function, that change is known as __________.
 
  Fill in the blank with correct word.



(Question 7) Visceral pain results from stimulating
 
  a) nociceptors.
  b) lamellated (Pacinian) corpuscles.
  c) exteroreceptors.
  d) proprioceptors.
  e) thermoreceptors.



(Question 8) Which of the following markings is located on the medial side of the femur?
 
  a) Lesser trochanter
  b) Greater trochanter
  c) Gluteal tuberosity
  d) Lateral epicondyle
  e) Linea aspera



(Question 9) Explain the mechanisms by which certain changes in environmental conditions can denature proteins.
 
  What will be an ideal response?



(Question 10) Polar R groups of closely positioned amino acids often enter into _________ with each other, which helps give a protein its three-dimensional shape.
 
  A. hydrophobic interactionsB. ionic bondsC. hydrogen bondsD. van der Waal repulsionsE. sulfur-carbon bonds
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Replies
wrote...
6 years ago
1) d

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2) e

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3) b

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4) b

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5) A

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6) denaturation

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7) a

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8) a

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9) High temperatures weaken the intramolecular forces that hold the protein in its normal conformation. Excessive H+ (low pH) disrupts electrostatic interactions within the protein by binding to the negative R group. High pH disrupts protein structure by altering existing electrostatic interactions that involved hydrogen atoms that have changed their position due to the presence of base.

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10) C
Darkflower73 Author
wrote...
6 years ago
Thank you Slight Smile
wrote...
6 years ago
Pleasure
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