Answer:
Red blood cells in blood type A-positive individuals have the A antigen, and generate antibodies against the B antigen (option B).
Explanation:
The basis of compatibility by blood group, according to the ABO system, is due to the presence of surface antigens A and B in the red blood cells. When a specific antigen is present, the body recognizes it as its own, while the other antigen will be recognized as foreign, and will induce antibody synthesis.
Blood types are determined by the presence, or absence, of these surface antigens A and B, generating antibodies against the antigens it does not possess, which can be summarized:
- <u>Blood type A</u><u> </u>has surface antigen A, but antibodies against B.
- <u>Blood type B</u> has surface antigen B, and antibodies against A
- <u>Blood type AB</u> has both A and B antigens, so it does not generate antibodies
.
- <u>Blood type O</u> has no antigens, but can produce antibodies to both antigens.
Individuals' blood type is a genetically inherited trait
Antlions experience competition when they are still larvae and looking for food or prey intake. It is called the shadow competition in where the pits are located in the upstream that can block the path of the prey thus the ones in the downstream will have less prey intake.
Answer:
The pulmonary circulation is part of the circulation system that moves blood from the heart to the lungs and lungs to the heart.
Explanation:
The pulmonary circulation is the part of the circulatory system which carries deoxygenated blood away from the right ventricle, to the lungs, and returns oxygenated blood to the left atrium and ventricle of the heart.
The deoxygenated blood is carried out by the right ventricle to the lungs and then moves the blood that carries the oxygen from the lungs to the left atrium and ventricle of the heart. It is a closed part of the circulation.
Meiosis produces haploid gametes, where as mitosis produces somatic cells. meiosis involves two divisions, mitosis involves only one division. mitosis produces genetically identical daughter cells, meiosis produces genetically unique daughter cells.
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Answer:
If each SINGLE LINE can intersect a square in at MOST 2 ways, then the 3-sided triangle can intersect a square in AT MOST 6 ways (with 2 intersections per line).
Explanation: