Progesterone causes the endometrium to thicken during the menstrual cycle

One hypothesized cause of age-related DNA and cellular abnormalities is the __________

A) lengthening of telomeres B) production of androgens C) release of free radicals D) increase of synapses

The ubiquitous "Whazzup!" is a sloppy pronunciation of "What's up?" The spectrograms of each of these two spoken phrases would indicate _____

A) ?no difference in the spectrograms between the two phrases B) ?only a difference in the frequency axis between the two phrases C) ?that there is a pause in the middle of "What's up?" D) ?major differences between the two, especially in the middle of the spectrograms