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solniwko [45]
3 years ago
15

What is pcr based genetic test?

Biology
1 answer:
Makovka662 [10]3 years ago
4 0
It is polymerase chain reaction hope this helps
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What protects the stomach from acidic gastric juices
mihalych1998 [28]

This might help,the presence of hydrochloric acid creates an acidic environment within the stomach that is needed to convert pepsinogen to pepsin. Mucus that is produced by the epithelial cells of the stomach help protect the lining of the stomach from the corrosive hydrochloric acid and pepsin.

6 0
3 years ago
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Which does not describe a physical change happening to water?
gulaghasi [49]
Water reacting with nitrogen gas i think, since it doesn’t actually react
4 0
3 years ago
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Which of the following statements is the most likely explanation for plant withering due to leaky membranes in cold temperatures
podryga [215]

Answer:

C. H+ ions do not accumulate inside the thylakoid, so ATP synthase makes too little ATP.

Explanation:

Plant withering refers to the virtual death of plant cells due to lack of food. During the light-dependent reactions of photosynthesis, ATP needed for the synthesis of sugar (food) is created in the thylakoid membrane of the CHLOROPLAST of plant cells.

In the light-dependent reaction, hydrogen ions (H+) builds up/accumulate in the thylakoid lumen to create an electrochemical or proton gradient i.e. a difference in the concentration of H+ ions across the membrane. The hydrogen ions passes through a protein complex called ATP synthase, which forms ATP from ADP (by adding phosphate group), from the energy generated by the electrochemical gradient formed as a result of hydrogen in (H+) build up.

Hence, a plant that possess leaky membrane due to the cold temperature will likely wither because H+ ions are not able to accumulate inside the thylakoid causing a proton gradient, so ATP synthase makes too little ATP.

4 0
3 years ago
In guinea pigs, black fur color is dominant and brown fur color is recessive. Several matings between the same male black guinea
Fed [463]

Answer:

BB x BB

Explanation:

All of the offspring inherit traits from the dominant gene. This means there are no recessive present.

4 0
3 years ago
The ____ is the primary site for non essential amino acid production in humans
yulyashka [42]
The correct term to fill in the blank would be pancreas. It is the pancreas that is the primary site for non essential amino acid production in humans. It can be found in the abdomen. There are two functions that the pancreas do. First, it aids in the digestion, an exocrine function. Second, it helps in the regulation of substances inside the body, an endocrine function.
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3 years ago
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