Which of following statements are true? Check all that apply.
A nucleotide is a chain of DNA molecules.
DNA is a chain of nucleotides.
Nucleotides act as “letters” in the genetic
code.
DNA molecules act as "letters” in the genetic
code.

Which of the following is not a safety rule in strength training

Which term defines one's age as measured in years? chronological age biological age social age mental age

Asoccer mom is driving her 75 year old grandmother and her 9 year old daughter home after the game. the grandmother and daughter were both in the back seat and both were wearing their seat belts. a car ran a red light in front of them, causing them to t-bone that car on the passenger side. fortunately there were no serious injuries, but the grandmother did sustain several rib fractures. the mother, daughter and driver of the at-fault car were shaken up but unhurt. what are some possible reasons that the grandmother sustained rib fractures while the other victims did not?