Why is there equal amounts of cytosine and guanine and equal

amounts of adenine and thymine in the DNA of a cell?

Which of the following structures is most likely to be found i an autotrophic protist

ATP is made up of three parts, what are they?

Dark energy is a term used to describe A. the driving force behind the Big Bang. B. the origin of new matter in the steady-state theory. C. electromagnetic energy outside the visible spectrum. D.

Where does diffusion of oxygen and carbon dioxide take place in the lungs? a. alveoli and capillaries b. bronchi and thorax c. cilia and pleura d. epiglottis and larynx

The study of the similarities and differences between embryos of different organism

What is the significance of neutral mutations

Are a diverse collection of mostly single-celled eukaryotes, which are sorted into several kingdoms to reflect their evolutionary relationships

This is how natural resources each as land, water, soil, planets and animals, are dealt with with a particular focus on how management affects the quality of life for both present and future generations.

There are several mechanisms through which reproductive isolation occurs. Which situation is an example of behavioral isolation? A. Mules, the offspring of a male donkey and a female horse, are unable to reproduce because they are sterile. B.

Sexual reproduction in the parent cell will result in offspring with? a. similar genetic information b. half the genetic information c. double the genetic informtion d. four times the genetic information