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puteri [66]
3 years ago
10

The image below represents the Sun on January 1 seen from North America. The letters represent the directions (east, south, and

west). What time of day could it be?
Biology
2 answers:
balandron [24]3 years ago
7 0
From the image, we are able to see that the sun is not directly overhead, which means that the time is not noon.

Using the directions provided, we can see that the sun has moved past the position in noon, remembering that the sun rises in the east and sets in the west. Therefore, we know that the time is past noon. Finally, the sunlight is still falling on the land, which means that it is not yet night time. Out of the given options, 3:35 PM is most likely to be correct.
Cerrena [4.2K]3 years ago
7 0

Answer:

3:35pm

Explanation:

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What are the differences and similarity between action potential and graded potential?
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Depending on the stimulus, graded potentials can be depolarizing or hyperpolarizing. Action potentials always lead to depolarization of membrane and reversal of the membrane potential. Amplitude is proportional to the strength of the stimulus. ... Duration of graded potentials may be a few milliseconds to seconds.

Explanation:

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What are two reasons the wolves may eat fish in autumn instead of deer or moose?
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Larger animals may be going into hibernation and the berries wolves eat may be out of season.

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O come up with a logical alternative for an unresolved problem, scientific data and research are not considered relevant.
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how many dna molecules would there be after four rounds of pcr if the initial reaction mixture contained two molecules?
Marat540 [252]
  1. Answer: 32 molecules of DNA would be after four PCR if the initial reaction mixture contained two molecules
  • After 'n' rounds of the polymerase chain reaction, it is feasible to produce 2 n DNA molecules from a single DNA template molecule (PCR). Therefore, 2 to the power 4  = 16 DNA molecules will be produced after 4 PCR cycles
  • If two molecules are doubled four times, 32 DNA molecules are created.

Explanation:

The PCR method is what?

The highly sensitive PCR method enables quick DNA amplification of a particular section. Using visual methods based on size and charge, PCR may detect and identify gene sequences by producing billions of copies of a certain DNA fragment or gene.

What does a PCR have to accomplish?

A given DNA segment can be quickly multiplied (amplified) into millions or billions of copies using the polymerase chain reaction (abbreviated PCR), allowing for more in-depth analysis.

What are the three main PCR steps?

For any DNA synthesis reaction, there are only three easy stages that must be completed: First, the template is denaturated into single strands. Next, primers are annealed to each original strand to synthesise new DNA strands. Finally, the new DNA strands are extended from the primers.

To know more about PCR visit :

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5 0
1 year ago
What do bears prefer to eat most
Temka [501]

Answer:

only the basic bears

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Black bears are very opportunistic eaters. Most of their diet consists of grasses, roots, berries, and insects. They will also eat fish and mammals—including carrion—and easily develop a taste for human foods and garbage.

Alaskan brown bears are opportunistic eaters and will eat almost anything. Their diet consists of berries, flowers, grasses, herbs, and roots. They get their protein from beavers, deer, caribou, salmon, carcasses, and other small mammals.

Polar bears feed mainly on ringed and bearded seals. ... When other food is unavailable, polar bears will eat just about any animal they can get, including reindeer, small rodents, seabirds, waterfowl, fish, eggs, vegetation (including kelp), berries, and human garbage.

A panda's daily diet consists almost entirely of the leaves, stems and shoots of various bamboo species. Bamboo contains very little nutritional value so pandas must eat 12-38kg every day to meet their energy needs.

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