Q: What is the term for coiled structures made of dna and proteins? Read this paragraph and choose the correct option from the provided answers: Chromosomes are coiled structures made of DNA and proteins. Chromosomes are the form of the genetic material of a cell during cell division. During other phases of the cell cycle, DNA is not coiled into chromosomes. Instead, it exists as a grainy material called chromatin . Choices: - neutrons - nodes - platelets - chromosomes A:
chromosomes

Q: Blood leaves the left ventricle via the what? Read this paragraph and choose the correct option from the provided answers: Choices: - dorsal chamber - atrium - capillary - aorta A:
aorta

Q: Matching donor and recipient blood types is important because different blood types have different types of what? Read this paragraph and choose the correct option from the provided answers: The ABO blood group system is important if a person needs a blood transfusion. A blood transfusion is the process of putting blood or blood products from one person into the circulatory system of another person. The blood type of the recipient needs to be carefully matched to the blood type of the donor. That's because different blood types have different types of antibodies, or proteins, released by the blood cells. Antibodies attack strange substances in the body. This is a normal part of your immune response, which is your defense against disease. Choices: - antigens - charges - coagulants - antibodies A:
antibodies

Q: What do you call the diffusion of solutes through transport proteins in the plasma membrane? Read this paragraph and choose the correct option from the provided answers: What happens if a substance needs assistance to move across or through the plasma membrane? Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane. Facilitated diffusion is a type of passive transport. Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient. Choices: - necessitated diffusion - exposed diffusion - Osmosis - facilitated diffusion A:
facilitated diffusion