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uysha [10]
4 years ago
5

How did rosalind franklin contribute to determining the structure of dna?

Biology
1 answer:
zubka84 [21]4 years ago
4 0
Rosalind franklin used x-ray crystallography to determine that dna was double stranded 
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A mutation that involves the addition, subtraction, or substitution of a single base is known as.
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inversion

mutation that involves the addition, subtraction, or substitution of a single base is known as an inversion. polypoloidy. a chromosomal aberration.

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2 years ago
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The organ above is responsible for filtering wastes from the digestion of proteins and cleaning the blood of excess salts. It is
wel

Answer:

The organ above is responsible for filtering wastes from the digestion of proteins and cleaning the blood of excess salts. It is found in the lower back. It is the <u>kidney </u> and is part of the <u>excretory</u> system.

Explanation:

Kidneys are a pair of a bean-shaped organ which are located in the back abdominal area, under the rib cage. The major function of kidneys is to filter waste from the blood. The waste materials from the food we consume is filtered by the kidneys. Other functions of the kidney include maintaining the fluid balance of the body.

The kidney is one of the major organ of the excretory system along with the ureters and urinary bladder.

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3 years ago
Which type of active transport moves materials out of a cell? which type of active transport moves materials into a cell? which
Shalnov [3]
Exocytosis moves materials out of a cell.
Endocytosis moves materials into a cell.
Active transport uses carrier proteins. (not entirely sure about this one... check it out to be sure)
Molecules move from an area of high concentration to an area of low concentration by passive transport. 
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3 years ago
A term that describes the position of the stomach with respect to the lungs is
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A term that describes the position of the stomach with respect to the lungs is inferior.

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the difference between how the lower-level organisms and higher-level organisms (fishes) are counted?
Alexxandr [17]

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