The blood in the left side of the heart is: * carbonated

deoxygenated

oxygenated

decarbonated

choose one

Victoria enjoys laughing with her friends as they walk around the track after school which best describes her heart rate during this activity

What advantage is the cell wall in relationship to osmotic pressure

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.