STAAR Prep Quiz #1

You should never ______ chemicals in the lab without your teachers permission.

• taste

• touch

• smell

• all of the above

Playing around disrupting other students in the laboratory is -

• helpful.

• allowed

• dangerous.

• the quickest way to do a job.

Items in an experiment that you keep the same.

• control
• conclusion
• variable
• trade-off

Using description to express experiment results.

• quantitative data
• control
• Pellagra
• qualitative data

Which list the levels of organization in order from smallest to largest?

• cell-organ-tissue-biomolecules-organism
• biomolecules-organelles-cells-tissue-organ-organ system-organism
• organism-organ system-organ-tissue-cells-organelles-biomolecules
• organism-atom-cell-organ system-organ-biomolecules

What is the monomer (building block) of a protein?

• amino acids
• nucleotide
• fatty acid
• monosaccharide

Which biomolecule does starch belong to?

• carbohydrates
• lipids
• nucleic acids
• proteins

Which biomolecule is the main source of energy for all living things?

• proteins
• nucleic acids
• lipids
• carbohydrates

What is the name of the structure the red arrow is pointing to?

• substrate
• chromosome
• enzyme
• cell

Why does the shape of an enzyme determine its function?

• enzymes are specific to substrates (lock and key)
• enzymes can work with any substrate
• enzymes are activated by molecules
• enzymes are found everywhere