A strand of DNA has the following nitrogenous bases. Determine what the complementary strand of DNA
would look like.
"5-adenine, cytosine, cytosine, thymine-3'

Witch theory suggests all living things are made up of cell or cells

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

The term autotroph refers to an organism that: a. uses co2 for its carbon source. b. must obtain organic compounds for its carbon needs. c. gets energy from sunlight. d. gets energy by oxidizing chemical compounds. e. does not need a carbon source