Living plants may be valuable additions to science classrooms. Which is the most important safety consideration when planning to grow plants in a classroom?

a. the light required for the plants to grow best
b. the nutrients to feed the plants
c. the composition of the soil in which to grow the plants
d. the structure and chemical properties of the plants

Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Which of the following graphs have the same wavelengths