Answer:
Explanation:
-Sodium-potassium pump (exchange of sodium and potassium ions across cell walls)
-Amino acids moving along the human intestinal tract.
-Calcium ions moving from cardiac muscle cells.
-Glucose moving in or out of a cell.
-A macrophage ingesting a bacterial cell.
Answer
Only one type of amino acid could be coded for such synthetic mRNA, becacuse it contain only one type of codon.
<span>in the troposphere (the lower part of the atmosphere).</span>
Answer: Endocrine system
Explanation: The integumentary system is that is made up of the skin, hair, nails and the Endocrine glands. The following functions of the integumentary system are:
a. It protects skin from any form of damage which could be in form dehydration.
b. It protects the skin by secreting an hormone called melanin which protects the skin from ultra violet radiation.
c. The integumentary system helps in regulating and maintaining the body temperature
d. The skin which is part of the integumentary system secretes Vitamin D which is an essential in building of strong and healthy bones.
Answer:
True
Explanation:
They were crazy and they believed Earth was flat
