The smallest functional units of matter that cannot be further broken down by ordinary chemical or physical means are
A. bonds.
B. atoms.
C. shells.
D. proteins.
E. molecules.
Answer: B
Biology & Microbiology
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Atoms containing a specific number of protons are called:
A. molecules B. minerals C. metals D. elements
Biology & Microbiology
The uncoiled DNA in a eukaryotic cell is much longer than the cell itself
Indicate whether the statement is true or false
Biology & Microbiology
How many different type of amino acids are found in proteins?
A. 100 B. 200 C. 1,000 D. 20 E . 4
Biology & Microbiology
The ________ is the distance between the center of a lens and the point at which it focuses parallel beams of light.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology