Elisa feels tired because her cells aren't getting the molecules they need from food and air, which are necessary for her cells to function, grow, and repair. ... Students figure out: Elisa's cells are getting enough oxygen and amino acids, but not enough glucose. glucose
oxygen
cellular respiration
amino acid
protein
energy

thinking it would be physical characteristics

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

you know they are heterozygous for a trait because they have it as jj or jj.