What key words does the question contain and what do they mean?
What will be an ideal response?
Atomic mass – the number of neutrons plus protons in an atom.
Atomic number – the number of protons in an atom.
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Osteoporosis sometimes results from ____
a. excessive PTH secretion b. insufficient PTH secretion c. excessive intake of vitamin D d. excessive intake of iodine e. insufficient intake of vitamin D
The characteristic ____________________ of a radioisotope allows us to determine the age of rocks and fossils using
a technique called ____________________. Fill in the blank(s) with the appropriate word(s).
Protein kinases help phosphorylate target proteins, but they are present in relatively constant concentrations throughout the cell cycle
Which proteins, which vary during the cell cycle, form a complex with the kinases to activate them only at specific times?
The dentist covers the outermost tooth layer, known as the ________, with a protective sealant to keep bacteria in the mouth from damaging it
Fill in the blank(s) with correct word