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Phosphorus has an atomic number of 15 and a mass number of 31. Hydrogen has an atomic and mass number of 1. Oxygen has an atomic number of 8 and a mass number of 16. Sodium has an atomic number of 11 and a mass number of 23. What is the molecular weight  (Na2HPO4)?

Normal acceleration. Enter your answer in meters/second2. 

. If part of a gene had the base sequence TGCCAT, what would be the base sequence of the complementary strand of DNA? 

Since insulin begins as a polypeptide of 86 amino acids, we can estimate the minimum number of DNA bases in the insulin gene as

The smallest structures that biologists consider being alive are 

Which of the following would contain the greatest amount of information that scientists consider to be true to the best of their knowledge? 

Carbon has an atomic number of 6 and a mass number of 12. Hydrogen has an atomic and mass number of 1. Oxygen has an atomic number of 8 and a mass number of 16. What is the molecular weight of glucose (C6H12O6)? 

Rewrite the following switch statement using if, else if, and else statements:switch(val){     case ‘a’:     case ‘b’: cout

Write a code snippet (just the needed code) to print the message “Invalid number” when the variable num is outside of the range -2 to 99. Just print the message “Invalid number”, no other messages.

Write a function that will receive as a parameter a numeric grade. The function will return the letter grade that corresponds to the numeric grade. Grade        Letter Grade90-100        A80-89          B70-79          C60-69          Dless than 60          F