The monomers in the polymers of  DNA and RNA are [a] A) alterations of sugar and phosphate molecules B) nucleotides C) three-dimensional structures contained in a double helix D) arranged in the histones

Adenine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine [a]A) 8%B) 16%C) 42%D) Not enough information provided

What is the amino acid sequence for this piece of mRNA [a]5′-AUG-UCU-UCU-AUG-UCU-UCU-3′A) arg-arg-glu-arg-glu-argB) ser-glu-arg-arg-glu-leuC) leu-ser-leu-ser-leu-serD) met-ser-ser-met-ser-serE) Not enough information given

The study of structure is [a]A) AnatomyB) BiologyC) CytologyD) PhysiologyE) Histology

[a] is stored in the liver and skeletal muscles for energy storage A) glucose B) triglycerides C) glycogen D) cholesterol

Biology is the study of life, put these from largest to smallest [a]A) Ecosystem → Biosphere → Population → Community → OrganismB) Biosphere → Ecosystem → Population → Community → OrganismC) Ecosystem → Community → Biosphere → Population → OrganismD) Biosphere → Ecosystem →Community → Population → Organism

Which of the following categories includes all others in the list [d]A) disaccharidesB) polysaccharidesC) amyloseD) carbohydrates

Which of the following are compounds [a]A) H2O, O2, and CH4B) H2O and O2C) O2 and CH4D) H2O and CH4, but not O2

Which of the following is disaccharide [a]A) glucoseB) maltoseC) glycogenD) galactoseE) fructose

Which is true of atoms [a]A) there are only uncharged neutrons in the nucleusB) they have equal number of protons and neutrons in the nucleusC) they have equal number of protons and electronsD) they have  equal number of charged and uncharged subatomic particles