Kelli examines her new ruby ring with the jeweler's loop. The ruby appears 7.0 times larger. If her near point is 35. cm, what is the focal length of the lens?
A) 36. mm
B) 70. mm
C) 67. mm
D) 42. mm
E) 58 mm
Question 2
In the nuclear fusion of four hydrogen nuclei to form a helium nucleus, the resultant helium nucleus
A) is more massive than the four hydrogen nuclei, the missing mass being converted into energy
B) is radioactive, generating energy by ejected electrons from beta decay
C) is less massive than the four hydrogen nuclei, the missing mass being converted into energy
D) has exactly the same mass as the four hydrogen nuclei, the energy being generated by the helium nucleus rearranging itself by emitting a gamma ray
The Sun as it appears from the surface of Earth during the middle of the day
A simple motif, the β-α-β loop
Steroid ring structure
Loop Diuretics
Opener A researcher examines an agarose gel
The consequences of crossover in the inversion loop in paracentric inversion heterozygotes