Multiple Choice
Molecules are _______.
A) chemicals that cannot be broken or separated
B) two or more atoms held together by covalent bonds
C) atoms of an element
D) basic subunits of elements
Correct Answer:

Verified
Correct Answer:
Verified
Q11: _are proteins that facilitate chemical reactions such
Q12: During photosynthesis,_.<br>A)sugars and carbon dioxide are produced<br>B)there
Q13: In a chemical reaction,_.<br>A)atoms are rearranged<br>B)new atoms
Q14: If the temperature of a gas increases,the
Q15: Aerobic cellular respiration _.<br>A)releases carbon dioxide and
Q17: Which of the following best represents potential
Q18: Which of the following reactions represents aerobic
Q19: An_is the smallest unit of matter that
Q20: _is defined as the number of protons
Q21: Which of the following most accurately describes