Which of the following statements are true? Genes make up cells
Chromosomes make up genes
Genes make up chromosomes
Chromosomes make up proteins

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because