Which of these molecules is not a macromolecule made up of many smaller organic molecules?
A. Water
B. Complex Carbohydrate
C. Nucleic Acid
D. Protein

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase

What are the pros and cons of quadrat sampling?