Answer: a. express different genes.
Explanation:
The nerve cells is functional for controlling the coordination of the body, respond to the external stimuli, voluntary actions in the body. The muscle cells contract and relax to facilitate the locomotion.
All the somatic cells of a living being have the same genomic make up. However, completely differentiated cells of particular tissue lineages express distinct genes, as required so as to perform specialized functions in the body.
It's D, Without plants for the grasshopper to eat they would begin to decrease in population causing a decrease in mice population from the lack of food supply and so forth for the snake.
Answer: DNA and RNA
Explanation:
because we contain dna and rna.
<span>According to Mendel's law, the effects of our environment are not passed on to the next generation
(In classic Mendelian inheritance, environmental effects are not passed on to the next generation)</span>
<span>Answer: occurs when the aortic and pulmonary valves backfill with blood</span>
The second heart sound,that is heard in normal hearts, is generated by the closing of the semilunar valves((the aortic valve and pulmonary valve). Before that, the first sound corresponds to the closing of the atrioventricular valves.
