Blog

You have purchased natural peanut butter from the store and found that the peanut butter has separated into an oily layer on top of solid underneath.  What is the best explanation for this?

Three unknown compounds (A, B and C) are added to water.  The first two compounds (A and B) readily go into solution, while one (compound C) does not.  Why might the third compound (C) not dissolve in water? 

  Which of the above amino acids would be classified as a basic amino acid (choose the one best answer)?

You have isolated a new virus that causes disease in tropical 3rd-world countries.  To learn more about it, you have obtained the following nucleotide content of its genome (% of the genome that is A, C, G, T, and U).    A = 14%,  T = 0%,  G = 36%,   C = 14%,  U = 36% Which of the following is true regarding the genetic makeup of this virus?

This type of amino acid participate in forming quaternary structure by facilitating binding with another protein? (Choose ALL that apply; you may end up choosing 0 – 4 of the possibilities)

Which challenge will one face in early adulthood?  a.    Generativity vs despair.b.    Inferiority and previous insecurities.c.    Planning retirement.d.    Commitment and compromise.

A reason that a pediatric nurse should stress that health promotion activities is to: a.    identify health risks.b.    avoid picky eating.c.    strengthen family bonds.d.    prevent social isolation.

Which of the following is true of the developmental behaviors of school-age children? a. Formal and informal peer group membership is the key to forming self-esteem.b. Fears center around the loss of self-esteem.c. Positive feedback from parents and teachers is crucial to development.d. A full range of defense mechanisms are used including rationalization and intellectualization.

In teaching wellness and health promotion to parents of school-age children, discussion should include: a. wearing helmets while bike riding.b. visiting the dentist every other year.c. encouraging diets high in fat.d. using antibiotics to prevent sexually transmitted diseases

Choose the complementary strand of DNA to the strand given below.                         5’ – G C T G G T A – 3’