Why is it important that the cells of the phloem remain alive
What will be an ideal response?
Active transport and osmosis require of functional plasma membrane to take place
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In combination with homologous recombination, the CRISPR/Cas system can be used to accomplish
A) gene fusions. B) gene deletion. C) point mutations. D) DNA cloning. E) gene fusions, gene deletions, or point mutations.
Suppose a drop of food colouring is placed in a container of clear water. What happens to the coloured dye molecules?
a. They undergo osmosis at the top of the container. b. They diffuse to the top of the container. c. They undergo osmosis equally throughout the container. d. They diffuse equally throughout the container.
The evolution of seeds allowed for:
a. the development of an independent sporophyte. b. coevolution with animal pollinators. c. heterospory—the development of male and female gametophytes. d. plants to colonize dryer climates. e. All of the above are correct.
Which of the following represents the amount of DNA in a typical G2 cell?
a. n b. 2n c. 4n d. 8n