7 is neutral but the ones that would be considered acidic is B
Answer:
c. Bound to hemoglobin.
Explanation:
The oxygen is relatively insoluble in plasma. At normal atmospheric pressure, only 0,3% of oxygen dissolves. That why there are respiratory pigments that <u>elevate almost 70 times</u><u> the capacity to transport O₂ of blood</u>. The most common respiratory pigments are hemoglobin (in all vertebrates and some invertebrates) and hemocyanin (in mollusks and arthropods).
Answer:
Mobile phones communicate bytransmitting radio waves through a network of fixed antennas called base stations. Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, can neither break chemical bonds nor cause ionization in the human body.
Explanation:
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Answer:
C. Scavenging of dead animals and gathering of plants (just as Homo <em>habilis</em> had done), and perhaps the hunting of smaller animals
Explanation:
Homo <em>erectus</em> (erect man): Homo erectus is believed to be appeared about 1.5 million years ago. It was in the middle Pleistocene age when they evolved from homo habilis. Homo erectus probably ate meat, was around 1.5-1.8 meters tall and males were probably larger than females. As the name suggests they has erect posture. His skull was flatter than that of modern man and he had protruding jaws. Other features includes projecting brow ridges, small canines and large molar teeth. Their cranial capacity was 900 cc. Cranium was dome shaped to accommodate the large brain. Homo erectus was omnivorous and he made various tools using stones and bones. He made use of fire for hunting, defense and cooking. Homo erectus inculdes three fossils: Java Ape-man, Peking man and Heidelberg man.
A new nucleotide can only be added to the 3' end of a growing dna strand. dna therefore always grows in the 5' to 3' direction.
Define nucleotide.
Nucleotides are organic molecules made up of a phosphate and a nucleoside. They serve as monomeric units of the essential biomolecules found in all life forms on Earth, deoxyribonucleic acid(DNA) and ribonucleic acid polymers.
Define DNA.
Deoxyribonucleic acid(DNA) is a polymer made of two polynucleotide chains that coil around one another to form a double helix and which contains the genetic material necessary for all known creatures, including many viruses, to develop, function, grow, and reproduce. Nucleic acids include DNA and ribonucleic acid.
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