Plants have adapted to dry land by evolving all of the following except -
a. association with mycorrhizae to improve mineral up take.
b. secreting a waxy coating to prevent water loss.
c. tissues to conduct water through the plant.
d. forms of chlorophyll more efficient at capturing light.
e. structures to protect reproductive cells and embryos.

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins