Amino acids are organic molecules that contain?
(a)Protein
(b)Amino group + carboxyl group
(c)Carbohydrates
(d)Ethylene + polyethylene
•
b
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The heat required to change a substance from the solid to the liquid state is referred to as the
A) heat of fusion. B) heat of vaporization. C) heat of melting. D) heat of freezing. E) heat of condensation.
Pressure (P) waves can travel through a liquid, but shear (S) waves cannot
a. True b. False Indicate whether the statement is true or false
Since the Moon is about 0.5 degrees in angular diameter, about how far does it move in 24 hours across the background of the constellations?
a. 0.5 degrees b. 1.0 degree c. 2 degrees d. 9 degrees e. 13 degrees
Simple Harmonic Motion: A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What are the (a) maximum speed and (b) maximum acceleration of the tip of the needle?
What will be an ideal response?