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MA_775_DIABLO [31]
3 years ago
7

Which best describes the structure of DNA?

Biology
1 answer:
Stells [14]3 years ago
8 0

Answer:

C.  Nucleic Acids arranged in a double helix.

Explanation:

The structure of DNA is best described as a double helix. DNA has a sugar phosphate back and nucleotides connected by covalent bonds. Together, it looks like a twisted ladder which is also known the double helix.

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What major products are formed in alcohoilc fermentationi need the answer asap please
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Scientists often experiment with Brassica plants
8090 [49]

Scientists often experiment with Brassica plants because they have a relatively short growth period, and they may represent model organisms for genetic studies.

<h3>Why use the Brassica plants in genetic studies?</h3>

Brassica plants are considered model organisms in genetic studies because they have a short period of growth (around 30 days), which allows the analysis of a high number of generations in less time.

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In conclusion, scientists often experiment with Brassica plants because they have a relatively short growth period, and they may represent model organisms for genetic studies.

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2 years ago
How are till and outwash different please help me
elena55 [62]
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8 0
3 years ago
Light stimuli entering the eye encounter a series of structures while traveling to the brain. Place the structures in the correc
ch4aika [34]

Answer:

The correct answer is "1. cornea 2. retina 3. rods and cones 4. ganglion cells

5. optic nerve 6. thalamus 7. primary visual cortex"

Explanation:

Light must pass a series of structures for the brain being able to interpret the data that comes from the eyes. The order that light stimuli travels from the eye to the brain is as follows:

1. cornea

2. retina

3. rods and cones

4. ganglion cells

5. optic nerve

6. thalamus

7. primary visual cortex

Light enters trough the cornea, the transparent front part of the eye that covers two-thirds of its total optical power; then it goes to the retina which receives the image that could go to the rods or the cones (depending if the light is at low or high levels, respectively). Then, ganglion cells increase the rate of the impulse within the optic nerve, and finally thalamus passes the sensory signal to the primary visual cortex. In this area of the brain, the basic visual features are extracted and interpreted.

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