What is the physiological reason for a warm up?
to assist your circulatory system in pumping oxygen-rich blood to your working muscles.
add extra time to the workout.
to give the athlete time to mentally prepare for the workout.
to show off your new workout clothes.

Which of the following supports the argument that viruses are nonliving? a) they are not cellular.b) their dna does not encode proteins.c) they have rna rather than dna.d) they do not evolve.

Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides.b) replication of their genomes does not involve proofreading.c) rna viruses can incorporate a variety of nonstandard bases.d) rna viruses are more sensitive to mutagens.

Blank is the growth of adnormal cells in the tissues of the body