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Archy [21]
3 years ago
6

Which of the following accurately describes the structure of DNA?

Biology
2 answers:
mamaluj [8]3 years ago
8 0
<span>option B. is wrong because nucleotides made of 5 - carbon sugars, not 3-C .option C is wrong because Apairs with T and C pairs with G not the other way around. option D is wrong as DNA consists of A,G,C and T. U is found in RNA. the correct answer is A. DNA is in the form of antiparallel strands twisted as a double helix. nucleotides together make strands, 2 of these strands which are antiparallel to each other twist around each other forming a double helix.
 
therefore A is the correct answer </span>
sleet_krkn [62]3 years ago
3 0
Among the choices given, the one that accurately describes the structure of DNA is D. DNA is in the form of anti-parallel strands twisted as a double helix. 

Vote Brainliest!!!!!!!
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Do photosynthesis and cellular respiration affect the level of carbon in the geosphere?
olga nikolaevna [1]

The answer is; YES they do

Photosynthesis is important in taking carbon from the atmosphere . This is why forest are great carbon sinks because they sequester carbon from the atmosphere. Cellular respiration, on the other hand, is the opposite of photosynthesis. It increases the levels of carbon in the atmosphere by breaking down carbon-based foods to carbon dioxide.


5 0
4 years ago
The coyote will become the apex predator and
xz_007 [3.2K]

Answer:

No, coyote will not become the apex predator.

Explanation:

No, coyote will not become the apex predator but greatly reduces the populations of foxes in order to reduce competition for available resources. Yes, The coyote population will decreases because t he gray wolf kills coyote to avoid competition for food resources. If another wolf is introduced to fit the same ni che, the coyote population will decrease because the wolf feeds on coyote. As the number of coyotes increase, the number of beavers will decrease because coyote feeds on beaver. If the gray wolf became extinct,  the coyote population increases in that location due to no predator.

7 0
3 years ago
100 POINTS
docker41 [41]

Answer/Explanation:

Green plants can synthesise their own food by using light energy from the sun to convert carbon dioxide and water into glucose, with the release of oxygen. This process is called photosynthesis, and it occurs in specialized organelles called chloroplasts.  The first stages of photosynthesis require light energy, and are often called the light-dependent reactions. The next stages occur in the absence of light energy, called the light-independent reactions.

In the light-dependent reactions, chlorophyll in the chloroplasts absorb light, converting into stored chemical energy in the form of NADPH and ATP. The high energy electron produced by light absorption travels down an electron transport chain, driving the pumping of hydrogen ions and creating a gradient. This provides the energy to produce ATP by ATP synthase

This process is used to provide for the light-independent reactions to  form carbohydrates from carbon dioxide during a process called the Calvin cycle. The carbohydrates produced during photosynthesis are broken down during cellular respiration to generate ATP.

8 0
3 years ago
Which of the following types of electromagnetic radiation has the shortest frequency? (2 points) Infrared waves Microwaves Ultra
NemiM [27]
The electromagnetic radiation with the shortest frequency is MICROWAVES.
Electromagnetic spectrum refers to the distribution of electromagnetic radiations according to their frequency or wavelengths. Electromagnetic spectrum is made up of many type of radiation, which have different properties. The frequency of electromagnetic radiation refers to the number of wave cycle that is formed per second. The electromagnetic radiation with the highest frequency is gamma ray while the radiation with the shortest frequency is radio wave. For the question given above, the radiation with the shortest frequency is microwaves.
3 0
3 years ago
Read 2 more answers
How many molecules of glucose is needed to undergo cell respiration?
masya89 [10]

Answer:

<em><u>One molecule of glucose is needed to produce approximately 38 molecules of ATP in each round of aerobic respiration.</u></em>

Explanation:

In respiration, organisms use food, or glucose made in photosynthesis to obtain energy. Photosynthesizing organisms use light to synthesize chemical energy.

Mitochondria in some organisms provide the most favorable environment for energy metabolism, glucose undergoes a form of combustion, this results in carbon dioxide and water production, together with energy as ATP or adenosine triphosphate.  

<h3> </h3><h3>C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP </h3>

<em>    glucose+ oxygen                      →  carbon dioxide+ water+ energy </em>

Thus, only one molecule of glucose is needed to produce approximately 38 molecules of ATP.

6 0
3 years ago
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