Which part of physical fitness is defined as the ability to perform vigorous physical activity without getting tired?
a.
endurance
b.
flexibility
c.
muscle endurance
d.
strength

When practicing refusal skills, it is beneficial to participate in a potentially stressful or threatening situation. select the best answer from the choices provided. t f

The virus genome and viral proteins are assembled into virions (virus particles) during ) the lytic cycle and the lysogenic cycle in all known host organismsb) the lysogenic cycle onlyc) the lytic cycle onlyd) the lytic cycle in all host organisms but the lysogenic cycle only in bacteria

Avirus consisting of a single strand of rna, which is transcribed into complementary dna, is a ) proteaseb) retrovirusc) rna replicase virusd) nonenveloped virus