How did Watson and cricks model of DNA incorporate the research of other scientists ?

Answers

Answer 1

Answer: They looked and saw Rosalind Franklin's X-ray crystallography which sparked them to think about the double-helix structure, and from there, they played around with cafeteria items (forks and spoons and whatnot) to create a model that finally worked.

Answer 2

Answer:

Answer:

How did Watson and Crick describe the structure of DNA?

Watson and Crick showed that each strand of the DNA molecule was a template for the other. During cell division the two strands separate and on each strand a new "other half" is built, just like the one before. ... By 1962, when Watson, Crick, and Wilkins won the Nobel Prize for physiology/medicine, Franklin had died.

Explanation:

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A frog has more offspring that can survive on available resources. Which is an example of?

Answers

Answer:

they likely mean adaptation

What would happen if a freshwater fish didn't produce lots of watery urine? a. The fish would shrivel.
b. The fish would swell.
c. Water would move out of the fish by osmosis.
d. Water would be pumped out of the fish.

Answers

The right answer for the question that is being asked and shown above is that: "c. Water would move out of the fish by osmosis." if a freshwater fish didn't produce lots of watery urine, then water would move out of the fish by osmosis.

How and why do cells reproduce

Answers

Cells reproduce for 3 reasons

-Repair
-Growth
- And to make new kinds of cells

And how they reproduce

Scientists call the process of somatic cell division mitosis. Mitosis has six distinct steps in which the cell organizes and copies the DNA in the nucleus. Once copied, each new cell has its own copy of the DNA. The six steps of mitosis are prophase, prometaphase, metaphase, anaphase, telophase and cytokinesis. Some authorities consider the non-dividing portion of the cell’s lifecycle, known as interphase, to be one of seven steps involved in mitosis; however, interphase cells are not actively dividing. Sex cells, such as sperm or eggs, must divide differently. Sex cells only possess one-half of the DNA that makes up a new animal. That way, when they combine, the resulting organism gets half of its DNA from its mother and half from its father. Because sex cells only want half of the DNA in each cell, they go through a different division process called meiosis. In meiosis, the cells split a second time, which yields four daughter cells rather than two as with mitosis; however, this provides each daughter cell with 23 chromosomes in contrast to the 46 chromosomes in somatic cells.

4. Describe the most likely direction of the prevailing winds across the Big Island of Hawaii.The most likely direction of the prevailing winds across the Big Island of Hawaii is northeast.

Question you guys need to answer: 5) What is the basis for your answer to question 4 above?

Answers

The most likely direction of the prevailing winds across the Big Island of Hawaii is northeast.

Explanation:

The island of Hawaii, like all the other major Hawaiian Islands, is affected by the trade winds. These trade winds bring cool air to the islands from the north, often resulting in precipitation along inland/mountain and windward areas.

All of the Hawaiian Islands have both a windward and a leeward side. In general terms, the windward side is the wet, rainy, and therefore more lush, green, and tropical section. The windward side faces North or East, where it receives the benefit of the cool, trade-wind breeze.

Answer:

The island of Hawaii, like all the other major Hawaiian Islands, is affected by the trade winds. These trade winds bring cool air to the islands from the north, often resulting in precipitation along inland/mountain and windward areas.

During which phase of meiosis does crossing over chromosomes occur

Answers

Answer:

Pachytene of prophase I of meiosis I

Explanation:

Crossing over is the process of exchange of genetic material between non-sister chromatids of homologous chromosomes. It occurs during the pachytene stage of prophase I of meiosis I. During pachytene, the paired homologous chromosomes exchange genetic material between themselves and add new gene combinations to the daughter cells.

phase where crossing over chromosomes occur is prophase 1

For several generations, your family has lived on a farm with a water well. There has never been a problem with the water supply in the past; however, your well has now gone dry. There are several small farms nearby and a large and growing city 50 miles to the north. What can you conclude is the most likely reason for your well to become dry?

Answers

Answer:

Depletion of ground water as a result of increased usage leading to lower water table.

Explanation:

The presence of small farms nearby coupled with the growing city that is just 50 miles the north, would mean more pumping of water for use by households, farms and even industries located in the growing city. The water level would definitely drop beyond pump intake as more wells are drilled, and water usage increases as well. The lowering of the water table is the most likely reason for the well becoming dry.

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