Blog

The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics is common to all of these extracellular structures?

In response to the “Heinz dilemma,” Ruby explains, “It doesn’t make sense to put respect for property above respect for life itself. Respect for human life is absolute.” Ruby is at which of Kohlberg’s stages of moral development?

Which parenting style is predictive of high self-esteem in adolescence?

When asked, “Tell me about yourself,” what is 3-year-old Riley most likely to say?

Because neurons become more responsive to excitatory neurotransmitters during puberty, adolescents react more strongly to stressful events and experience pleasurable stimuli more intensely.

Twelve-year-old Lola spends most of her time with a group of six girls who are friends and have similar family backgrounds, attitudes, interests, and values. This group is Isabel’s __________.

Based on these results, how many molecules of methionine are present per mole of glycine?  

Which parts of amino acids AA1 and AA2 are involved in the formation of a peptide bond AA1–AA2?

Which functional group is present in this molecule?      

T/F The harm done by teratogens is dependent on age at the time of exposure.