The substance represented by the scissors shown cutting the DNA is 1. Enzyme
2. A starch molecule
3. A carbohydrates
4. A far molecule

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

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different