Help A double-stranded DNA molecule was found to have 13 % of all its bases being A (adenine) • Deduce the percentages of T, C, and G in this double strand of DNA, using the known percentage of A • Justify each calculation, by providing information from the previous page or from a textbook

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Organisms that successfully adapt will leave to grownone of the above

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.