2. Risk factors in getting breast cancer involve the following: A. being underweight
B. the younger you are, the greater your risk
C. having children increases your risk
D. race

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.

Andrea's parents take her to a routine dentist exam. after examining andrea, the dentist applies a thin film on her healthy molars. what is this called?

What is the total amount of waste dissolved in the plasma and what chemical is it