question:

plants need carbon dioxide for photosynthesis just like animals need oxygen for cellular respiration. most gases enter and leave the plant seen here through the describe this process and any special cells involved with the process.

Which of the following is a common danger of commercial fishing?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

If a cell is placed into a hypertonic environment, what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge