Explanation:
Each hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a tetrahedral structure. ... There are four iron atoms in each molecule of hemoglobin, which accordingly can bind four atoms of oxygen. Globin consists of two linked pairs of polypeptide chains.
Explain the role of Calcium(Ca+) in askeletal muscle contraction. Role of calcium { Ca++}: By BONDING to the TROPONIN it causes the TROPOMYOSIN to MOVE from its blocking position on the active sites on the actin filaments SO the CROSS BRIDGES CAN ATTACH.
Laceration is a wound that is produced by tearing the soft body tissue. The cut can be jagged, deep or smooth. It may also be near the surface of the skin, or deeper.
Answer:
B) False
Explanation:
Fun fact: The muscles in your thigh are stronger than concrete!
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