The answer is D. Bacterial calls do not have chloroplasts or cell walls, but both have cell membranes ribosomes, and a nucleus.
Answer:
A) Receiving a vaccination.
Explanation:
Answer: Ocean salinity increases as ocean temperature decreases.
Explanation: Scientists have believed for many years that water pressure increases as water depth increases
Answer AND Explanation:
There is a large number of biochemical reactions taking place in a cell at any given time. Enzymes being biological catalysts control these reactions and regulate them so that they proceed at a pace that is suitable for sustaining life. Thus enzymes regulate cellular activities. Enzymes also ensure that only the required reactions take place and progress to their appropriate extent.
