What similarities and differences are there between carcinogens,
mutagens, and teratogens?

What is the compliment dna strand to the following sequence: ttgactaggcta

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

What determines whether a particular cell is able to respond to a hormone?