What is a gene in its simplest form?

a segment of dna

a looped portion of rna

a molecule found in the endoplasmic reticulum

a part of a protein

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

How many pounds does the earth weigh?