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marissa [1.9K]
3 years ago
7

Rosalind Franklin is famous for which contribution to the study of DNA?

Biology
2 answers:
elixir [45]3 years ago
8 0
Double helix structure
PSYCHO15rus [73]3 years ago
8 0

Answer:

Rosalind Franklin Is famous for discover the size and shape(double helix)  of DNA.

Explanation:

Rosalind Franklin studied the x-ray diffraction in the DNA and the diffraction pattern, she captured a DNA imagen.  With this studies, she interpreted that DNA had a helical structure, DNA molecules were cylindrical and about 2 nm in diameter.

Her research gave ideas about DNA´s bonds to Watson and Crick.

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An electric motor converts electrical energy to potential energy. Please select the best answer from the choices provided T F
PSYCHO15rus [73]

Answer: The given statement is false.

Explanation: An electric motor converts electrical energy to mechanical energy and not potential energy.

Mechanical energy is the sum of kinetic and potential energy possessed by an object. It is the energy associated due to the movement and position of an object.

An electric motor works by the process of electromagnetic induction which happens when a voltage is induced by a changing magnetic field.


3 0
3 years ago
What are developmental homologies, and how are they studied?
7nadin3 [17]

Explanation:

In reference to evolution, homology can be described as the comparative similarities in the structures of organisms that make it more alike to one organism than the other organisms. It also shows the characteristics that might have evolved in an organism over time. Developmental homology are the similarities which arise between organisms due to similar embryological source.

Developmental studies can be made by researching the embryological developments of different organisms and looking for similarities among them.

For example, studying the snake embryos showed that some of the embryos have hind limb buds in them which disappeared in the mature snake. This study made it clear that snakes evolved from organisms that had hind limbs. As the snakes do not need the limbs, so with time the species of snakes evolved and lost their hind limbs.

5 0
3 years ago
Why would a patient with a pheochromocytoma sweat excessively, have facial pallor, and bc constipated?
liubo4ka [24]

During the sympathetic reaction the blood flow is augmented to the skeletal muscles and brain. Then the blood flow will diminished to the bowel which may led to constipation. The person will perspire excessively and may lead to dehydration which eventually may constrain bowel function.

6 0
3 years ago
Glycolysis provides a cell with a net gain of?
Vinil7 [7]
Glycolysis provides a cell with a net gain of 2 ATP molecules
8 0
3 years ago
Wildlife biologists treated a pool with a chemical to reduce the amount of algae. A(t)=35t-360t+1050
fiasKO [112]

Answer:

-325 + 1050

Explanation: No need to

4 0
3 years ago
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