External factors limiting flexibility include___? а. temperature
b. time of day
с. age
d. gender
e. all of the above

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp

Which form of birth control good people use without altering hormonal systems are blocking sperm from fertilizing an egg

Which is shown to be an effective treatment for depression?