What happens when scientists turn off the gene that makes beaks in birds? A) birds have a large opening where the beak should be. B) Birds do not have any opening for their mouth. C) birds grow mouths with teeth that resemble alligator teeth. D) the birds grow mouths without any teeth.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

The fluid mosaic model of the membrane proposed that membranes