According to the organelles case study, Nicole’s parents did not have Leigh syndrome, because this disease was described as being __.

School health officials wanted to investigate if there is a relationship between Streptococcus pyogenes carrier status and tonsil size. A sample of 1,500 of schoolchildren were selected at random and each child’s carrier status (carrier or not) and tonsil size (normal, large, very large) were recorded. Which of the following tests should be used? 

Food additives, such as the plant-based extract tara gum, are used in industrial fool preparations as thickening agents to stabilize emulsions and create an impression of thickness and creaminess without adding extra calories.  The effect of tara gum on the viscosity (in millipascal-seconds, mPa.s) of fruit yogurt drinks was assessed for various concentrations of tara gum (in grams per 100 grams of drink, g/100g).  The findings are summarized in the following scatterplot. The relationship between viscosity and concentration can be described as Which one of the following is the best guessed value of the correlation coefficient for the viscosity of the yogurt drink and concentration of the tara gum?

Using the amino acid chart provided, identify the N-terminal amino acid shown below:

Ancient Egyptians believed in a soul called the ‘ka’.

What is NOT TRUE about an irreversible inhibitor?

What item protected Tutankhamun’s face and shoulders?

Explain what makes up the Quaternary structure of a protein. How is this different than tertiary? 

Which amino acid can form disulfide bonds?

Stonehenge is oriented to mark which events?