Which tissue is considered a "dead" tissue lacking cytoplasm, cell membranes, nuclei, and other cellular organelles, and is responsible for transpiration of water from roots to leaves? ?
a) xylem.
b) phloem.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons

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