A scientist is studying how chemical messages are transferred between cells of a developing embryo. In a research journal, the scientist draws a diagram to illustrate how the embryonic cells at the bottom of the early embryo are releasing chemicals to nearby cells to elicit protein production in the activated neighboring cells.

DIAGRAM IS ATTACHED

What is the primary purpose of the signaling molecule?

Which process must a cell undergo top identical cells at the end of cell division

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens