Question 16 what is true about the relationship of dna and genes? segments of dna contain the code to make a gene. each dna molecule makes up a segment of a gene. segments of genes contain the code to make dna. each gene contains a segment of a dna molecule.

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

What molecules does hemoglobin decay into over time

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.