Biochemistry

Which subatomic particle is not in the nucleus?

• proton

• neutron

• electron

Which is not a particle in an atom?

• electron

• megatron

• proton

• neutron

Which of these are a molecule?

• C

• Ag

• He

• H₂O

The amino acid tryptophan has a chemical formula of C₁₁H₁₂N₂O₂. Which element isn't present in this molecule?

• hydrogen

• calcium

• oxygen

• nitrogen

The amino acid tryptophan has a chemical formula of C₁₁H₁₂N₂O₂. How many nitrogen are in this molecule?

• 11

• 1

• 12

• 2

Which of these isn't a biomolecule?

• amino acid

• protein

• nucleic acid

• lipid

what kind of organism makes the carbohydrates we eat?

• plants

• protein

• animals

• fungus

True or false: simple carbohydrates are 1 or 2 sugar molecules connected

• True

• False

Which of these is a complex carbohydrate?

• sucrose

• glucose

• fiber

• fructose

Complex carbs are made of many _______

• proteins

• starch molecules

• fatty acids

• glucose molecules