The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!
Answer:
protein
Explanation:
because carbohydrate ..nucleic acids protein
Answer:
Phospholipids are amphipathic molecules. This means that they have a hydrophilic, polar phosphate head and two hydrophobic fatty acid tails. These components of the phospholipids cause them to orientate themselves, so the phosphate head can interact with water and the fatty acid tails can't, hence forming a bilayer
Explanation:
Answer:
There would be many differences as well as many similarities between these cells.
Similarities: All these cells will have the same DNA, the same chromosomes. The organelles in the cells would be the same.
Differences:
Embryonic cells are totipotent. They have the capability to divide into every cell of the body.
Adult stem cells are pluripotent. They have the ability of divide into some different types of cells.
Skin cells can only divide into skin cells.
Answer:
it allows some but not all
hope that helped
