Answer:
The correct answer is vasoconstriction has occurred.
Thermal receptors present in the skin sense the cold around the surrounding and stimulates the sympathetic nervous system of the body.
It immediately causes vasoconstriction in the skin, legs, and arms.
Vasoconstriction prevents or decrease the heat loss from the body to the environment.
Decreased flow of blood to the skin and extremities turns the skin pale in color.
Answer:
All organisms have the same nucleotides
Explanation:
All organisms have DNA. DNA is made up of the nucleotides Guanine, Adenine, Thymine, and Cytosine, with Guanine pairing with Adenine, and Thymine pairing with Cytosine. The combinations of pairs in a sequence determine an organism's individual genes.
<span>A prokaryote is a unicellular organism that belongs to either the domain Bacteria or the domain Archaea. Therefore, unlike a eukaryote, the prokaryote lacks in a nucleus and other organelles. The first organisms that appeared about 3.5 billions years ago were prokaryotes. They developed primitive forms of photosynthesis without oxygen as a waste. The first photosynthesizing prokaryotes appeared about 2.7 billion years ago which led to the changes in Earth atmosphere and consequently organisms dependant on oxygen could arise.</span>
Answer:
Hydrochloric acid contributes to protein digestion by supplying H+ which activates pepsinogen, the precursor to pepsin. Pepsinogen is secreted by chief cells in the gastric glands of the body and antrum of the stomach.
Explanation:
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