In the 1950s, when watson and crick were working on their model of dna, which concepts were well accepted by the scientific community?

Answers

Answer 1

Answer: Watson and Crick describe structure of DNA 1953 Photo: Model of DNA molecule In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid, and several nitrogen-containing bases. In 1950, biochemist Erwin Chargaff found that the arrangement of nitrogen bases in DNA varied widely, but the amount of certain bases always occurred in a one-to-one ratio.
Watson and Crick took a crucial conceptual step, suggesting the molecule was made of two chains of nucleotides, each in a helix as Franklin had found, but one going up and the other going down.
Watson and Crick showed that each strand of the DNA molecule was a template for the other.

Answer 2

Answer:

In the 1950s, Both Watson and Crick were working on the composition of DNA, that is, the molecule that comprises the hereditary information for cells. The discovery of the double-helix, and the twisted ladder composition of DNA, by Watson and Crick, signified a landmark in the field of science and paved the path for the origination of modern molecular biology.

However, when Watson and Crick were working on DNA model, some of the concepts were well accepted by the scientific community like the chromosomes are formed of nucleic acid and protein, chromosomes are found in the nucleus, and genes are located on the chromosomes.

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Which of the following is least likely to increase the rate of diffusion

Answers

The one that is least likely to increase the rate of diffusion would be : small concentration of gradient

The rate of diffusion will more likely to increase if :
- the concentration gradient is greater
- distance is decreased
- The surface Area is increased

hope this helps

Mechanisms to bring an elevated body temperature down to the normal level include

Answers

This would mainly be sweating.

Farmer Brown grows corn for a living. One day, Farmer Green suggests to Farmer Brown that he should clone his best corn plant in order to produce more ears of corn per plant. Farmer Brown is not sure about Farmer Green's idea. Why might Farmer Brown be hesitant to clone his corn?

Answers

Farmer Brown might be hesitant to clone his corn because cloning eliminates the ability to sexually reproduce and provide genetic variability. There will be no variability in genes in these clones, because given that they are exact copies of their "parent," they will all be identical, without any difference or variation. This farmer doesn't want that to happen, which is why he is hesitant to take Farmer Green's advice.

Answer:

answer is c

Explanation:

Fingerprints cannot be used to identify particular people. True False

Answers

False.
Everyone in this world has a different fingerprint design.

False Everyone has a unique fingerprint that is not the same as anyone else

An energy resource that can be replaced by nature in a relatively short time is known as a(n): a. replaceable energy resource b. renewable energy resource c. inexhaustible energy resource d. non-renewable energy resource

Answers

An energy resource that can be replaced by nature in a relatively short time is known as a "inexhaustible energy resource" but these are very rare in nature.

Answer: b. renewable energy source

Explanation:

Renewable resources: These are resources that can be replenished with time through natural process.These are the sources which never depletes completely.For example: bio mass energy, solar energy etc.

Non-Renewable resources: These are resources that cannot be replenished with time through natural process. These are the sources which are used in wise manner so that they do not get depleted. For example: coal, petroleum etc.

Which best describes a bacterium?

Answers

The following options are attached to the question above:

A. A unicellular prokaryote

B. The shell surrounding a pilus

C. A type of virus

D. A particle that attacks viruses

ANSWERS

The correct option is A.

Bacteria are unicellular organisms, which have no true nucleus and they possess simple internal structures. They are microscopic organisms and they can be found in diverse places such as in the soil, ocean, in the human gut, in the air, etc. Bacteria are usually very small in size and large number of them usually exist together as a community. Bacteria are responsible for a large number of diseases in plants, animals and humans.

Answer:

A unicellular prokaryote

Explanation:

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