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charle [14.2K]
3 years ago
7

Human blood cell typing why do blood types matter?

Biology
1 answer:
Andreas93 [3]3 years ago
8 0
Blood typing is important in the blood transfusion. 
Losing too much blood will result in death. The easiest way to prevent death by loss of blood would be doing a blood transfusion. Blood transfusion is injecting blood from other people to a patient that losing too much blood.
Human has antigen in their blood that can be recognized as a foreign object and get attacked. If you give someone a blood that has similar antigen which he has, the blood will not be recognized as foreign material. But if you do, the antigen in the blood will induce hypersensitivity reaction.
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The palisade layer _____.
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The answer is C, the primary location for photosynthesis.

The palisade cells contains a lot of chloroplast, which contains a pigment called chlorophyll, which can trap light and turn them into energy source for the plant. This process is called photosynthesis. It is how the plant mainly make food and keep them growing.

Palisade cells are the main location for photosynthesis as they have the most chloroplast number usually in a plant. They can absorb sunlight efficiently thus photosynthesis is efficient.

So, the answer is C.
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Is carbon dioxide a product of anaerobic glycolytic product?
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What is pyruvic acid changed into? alcohol fermentation
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Homologous structures are structures found in one species that have the same basic anatomical structure and embryonic origin as
Alecsey [184]

Answer:

C. a whale's flipper and a cat's leg

Explanation:

Homologous structures are the organs which have same basic anatomical structure but they perform different function based on the type of environment in which the organism is living. Two organisms which have homologous organs indicate that both the organisms are evolutionarily closely related to each other i.e. their ancestry is common. It is basically divergent evolution which is responsible for formation of homologous organs. If two closely related organisms are living in different environment then their organs which basically have same origin will tend to perform different functions as a part of adaptation. In contrast to this, analogous structures are the ones which perform similar function but anatomically they are very different and evolutionarily they are not closely related. Analogous structures are evolved as a result of convergent evolution which is meant for adaptation in a particular environment. So, even if two organisms are not closely related they still develop the structures which perform similar function so as to adapt into a particular environment.

Whales and cats both are mammals so they are closely related to each other but since they live in different environment, their organs which are anatomically similar perform different functions. Flippers in whales help in swimming while cat's leg help in walking. So, option C is correct answer.

All other options are examples of analogous organs.

A bird's wings and a butterfly's wings are perfect example of analogous organs. A bird is a vertebrate while a butterfly is an arthropod so evolutionarily they are very distantly related so their wings are also anatomically very dissimilar but they still perform similar function which help these two organisms in flying. So option A is incorrect. Similarly option D is also incorrect because wasp is an arthropod while dolphin is a vertebrate. Option B is also incorrect because catfish is a vertebrate and bee is an arthropod.

7 0
4 years ago
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