Match each bond type with its description.
1. This results when an atom has such a strong attraction for electrons that it pulls one or more electrons completely away from another atom.
2. These are weak attractive forces between hydrogen and certain other atoms.
3. These result when two atoms share a pair of electrons.
4. These are weak attractive forces between the nucleus of one atom and the electrons of another atom close by.
A. van der Waals
B. ionic
C. hydrogen
D. covalent
1. B. ionic
2. C. hydrogen
3. D. covalent
4. A. van der Waals
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The sole function of an organ is to manufacture a substance secreted from or used within the body.
Answer the following statement true (T) or false (F)
This fontanel usually closes within 18 to 24 months after birth
a) A b) B c) C d) D e) Both A and C
What is the functional unit of compact bone?
A) osteon B) lacunae C) lamellae D) canaliculi E) trabeculae
A concentric contraction is described as
A. a muscle produces increasing tension as it shortens. B. action potential frequency is high enough that no relaxation of muscle fibers occurs. C. a muscle produces constant tension during contraction. D. a muscle produces tension, but the length of the muscle is increasing. E. a muscle produces an increasing tension during contraction.