The nucleus is surrounded by a semipermeable membrane. What would happen if this layer were permeable to most substances? A. The DNA in the nucleus would be protected from harmful substances

B. Enzymes would not be able to speed up reactions in the nucleus.

C. The nucleus would not be able to communicate with the rest of the cell.

D. Large molecules would be able to enter and damage the nucleus.​

Which units ate used to measure both velocity and speed? check all that apply

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.

Which statement best describes the first stage of cellular respiration? check all that apply