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.

Biology & Microbiology

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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

Biology & Microbiology

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).

Biology & Microbiology

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?

Biology & Microbiology

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

Biology & Microbiology