Which type of lymphocyte produces antibodies that are released into the bloodstream? a. cytotoxic t cells b. t cells c. phagocytes d. plasma cells

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet