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TLS Online TPP Program

#Question id: 16110

what happens to the arterioles near the surface of the skin when the body temperature rises?

#Unit 7. System Physiology – Animal
  1. they absorb oxygen from the surrounding tissues
  2. they dilate and become wider
  3.  they move nearer the skin surface
  4.  they take in water from the surrounding tissues
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TLS Online TPP Program

#Question id: 5775

#Unit 8. Inheritance Biology

A point mutation that changes a codon specifying an amino acid into a stop codon is called a
TLS Online TPP Program

#Question id: 5776

#Unit 8. Inheritance Biology

Fragile-X syndrome and Huntington disease are caused by a (an)
TLS Online TPP Program

#Question id: 5777

#Unit 8. Inheritance Biology

A ____ mutation originates during meiosis while a ____ mutation originates during mitosis.
TLS Online TPP Program

#Question id: 5778

#Unit 8. Inheritance Biology

DNA is repaired by ____ in which a pyrimidine dimer is split
TLS Online TPP Program

#Question id: 5779

#Unit 8. Inheritance Biology

Changing the codon AGC to AGA represents a ____ mutation.
TLS Online TPP Program

#Question id: 5780

#Unit 8. Inheritance Biology

What is the physical basis of mutational hotspots?