Suppose that 3% of the families in a large city have an

Organic Chemistry 2
As part of a study on cyclopropane derivatives of fatty acids, the following amide was subjected to mass spectrometric analysis (J. Org. Chem. 1977, 42, 126129). The most abundant peak in the spectrum was found at m/z = 113. Suggest a reasonable structure and mechanism of formation for the ion consis

Chemistry 11
Barium hydroxide, often used to titrate weak organic acids, is obtained as the octahydrate. \(\mathrm{Ba}(\mathrm{OH})_{2} \cdot 8 \mathrm{H}_{2} \mathrm{O}\). What mass of \(\mathrm{Ba}(\mathrm{OH})_{2} \cdot 8 \mathrm{H}_{2} \mathrm{O}\) would be required to make 500.0 mL of a solution that is 0.15

Myers' Psychology for AP 2
What does Hermann Ebbinghaus forgetting curve show about the nature of storage decay? a. The rate of forgetting increases as time goes on. b. The rate of forgetting decreases as time goes on. c. The rate of forgetting does not change as time goes on. d. The rate of forgetting varies according to the

Myers' Psychology for AP 2
Alejandro has joined an online dating service in an attempt to meet some new people. He met a woman named Sakura through the website and agreed to go out on a date with her because they have many things in common. Explain how the following concepts could relate to Alejandro and Sakuras date: Self-co

Organic Chemistry 3
The 1 H NMR spectrum of 1,2-dimethoxyethane (CH3OCH2CH2OCH3) recorded on a 300 MHz NMR spectrometer consists of signals at 1017 Hz and 1065 Hz downfi eld from TMS. (a) Calculate the chemical shift of each absorption. (b) At what frequency would each absorption occur if the spectrum were recorded on a

Biology for AP Courses
Plasmodesmata in vascular plants and gap junctions and animals are examples of specialized features of the cell. Mechanisms by which transport occurs between cells evolved independently within several eukaryotic clades. Explain, in terms of cellular cooperation, the selective advantages provided by s

Biochemistry 9
List two classes of compounds derived from arachidonic acid. Suggest some reasons for the amount of biomedical research devoted to these compounds.

Biochemistry 9
Why is it essential that the mechanisms that activate glycogen synthesis also deactivate glycogen phosphorylase?