One function of the skeletal system is to protect the internal organs.

true or false

Which of the following processes within viral replication is the greatest source of genetic variation in rna virus populations? a) high mutation rate due to lack of proofreading of rna genome replication errors.b) transcription from the host cell rna polymerase introduces numerous mutations.c) capsid proteins from the host cell can replace the viral capsid.d) viral rna is translated by host cell ribosomes.

Which is not an effect of aging? secondary sex characteristics appear bones shrink and become more brittle skin becomes drier and less elastic hearing and vision become less sharp

Which exercise strategy is not effective? trying to make up for lost time becoming solution focused developing a habit using a support system