What are the three different types of muscle contractions that you might experience during a workout? List, briefly describe, and give examples for each one.

Lordosis can often be prevented by strengthening core muscles in the abdominals and back. a. true b. false

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.

Which food can a vegan eat? a. lasagna with cheese b. vegetable risotto c. poached eggs on toast d. chocolate milkshake e. stir-fried chicken