Match the nitrogenous base of rna with its complement
1) acuggau
2)gcguaca
3)cgguuaa
4)aauggcc
5)auugcgu
a) uuaccgg ..b) uaacgca.. c) cgcaugu ) ugaccua .. d) gccaauu

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?

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

How would you describe an allele that be expressed and determines an organisms appearance? a. uncapitalized b. responsive c. recessive d. dominant