Deamination is a process that removes:a
the amino group from amino acids.
b. the amino group from nucleic acids.
c. amines from the bloodstream.
d. amines from nucleic acids.
e. ammonia from blood.
a
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Explain the concept of combinatorial gene regulation in eukaryotes
What will be an ideal response?
Which of the following phyla is the most diverse and numerous of all animal phyla?
A. The arthropods B. The mollusks C. The echinoderms D. The cnidarians
Breathing helps move blood from lower parts of the body toward the heart by which of the following mechanisms?
A) Inhalation increases the size of the thoracic cavity, which reduces pressure and draws blood toward the heart. B) Inhalation decreases pressure in the abdominal cavity, which opens veins and pushes blood toward the heart. C) Breathing does not help return blood to the heart. D) Inhalation increases the size of the thoracic cavity and increases pressure in the abdominal cavity.
Most marine invertebrates are osmoconformers. This means that
A. the osmolarity of their body fluids is the same as their seawater environment. B. that their body fluids contain the exact same solutes in the same concentration as their cells. C. the osmolarity of their body fluids is equal to that of the osmoregulators who inhabit the same environments. D. the osmolarity of their body fluids fluctuates between hypertonic to hypotonic depending on the season and the tides. E. that their body fluids contain the exact same solutes in the same concentration as their surroundings.