Streptococcus pneumoniae is found as part of the normal microbiota of the mouth and pharynx and yet can cause disease in some people when it is inhaled into the lungs. Why do you think this is

A cell is lacking in its supply of amino acids. Which of the following will occur? A - mRNA will not be formed because enzymes may not be present. B - The ribosomes will not work properly because there will be no proteins.

The potential energy associated with objects that can be stretched or compressed is

How does magma form rocks that look smooth and glassy

Ski Mountain sells lift tickets. Total Cost Ski Mountain Sale Packages Number of Lift Tickets Package A 3 Package B 5 1 Package C 12 Package D 16 $30 $60 $120 $120 Which packages have the same ratio of lift tickets to cost?

A cell has 38 chromosomes. After mitosis and cell division, one daughter cell has 39 chromosomes and the other has 37. What might have caused these abnormal chromosome numbers? What effects do you suppose this might have on cell function? Why?

Why would over-inflating the cuff of the sphygmomanometer be a problem for the patient?

Athletes often have a very low resting heart rate. what does this tell you about the health of their heart? explain.

Why some nutrients would leave the plant cell?

Is there a mitochondria in a plant

Function of rymospmes? Function of centriole? Function of cytoplasm? Function of the Golgi apparatus?