Elements produce their spectrum when their electrons _____. are in the ground state move away from the ground state move toward the ground state all of the above

Answers

Answer 1

Answer: The best answer to the question that is being presented above would be 'move toward the ground state'. Elements produce their spectrum when their electrons move toward the ground state. All the other choices do not fit the blank space provided.

Answer 2

Answer:

Answer:

Option C, move toward the ground state

Explanation:

When electron of an element move from a region of ground state to a region of high energy, it absorbs certain amount of energy. Now, when this electron starts moving from its excited stage to its ground stage it emits energy in the form of eigen states that vibrates with certain frequency just like the vibration of violin.

A spectrum is a distributed set of frequency and wavelength which corresponds to these eigen states

Hence otpion C is correct

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Phenotypes are an observable expression of someone'sgenotypes
personality
RNA
parents

Answers

Phenotype is the observable physical or biochemical character of an organism as determined by both genetic makeup and environmental influences. It is the expression of a certain trait such as blood type or short stature based on genetic and environmental influences.

Whereas genotype is the set of genes responsible for a specific trait. Phenotype is the physical expression of that trait.

Which process can produce a large number of offspring?Sexual reproduction

Asexual reproduction

Mitosis

Replication

Answers

The process that can produce a large number of offspring is asexualreproduction, which is present in the second option. Asexualreproduction does not involve any genetic changes and produces identical offspring.

What is the role of reproduction?

There are two types of reproduction: asexual reproduction, which includes binary fission, and sexual reproduction, which includes genetic diversity due to the meiosis process and genes crossing over. Asexual reproduction does not take as long as sexual reproduction in offspring, as evidenced by bacteria and other organisms. Asexual reproduction produces a large number of offspring in a short period of time with no genetic diversity from the parents as no sex cells or gametes are involved.

Hence, the process that can produce a large number of offspring is asexual reproduction, which is present in the second option.

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The asexual reproduction produces a large number of offspring.

Which example represents a DISADVANTAGE of asexual reproduction? A) Genetic variety slowly causes hundreds of species of beetles to form from a single species. B) A single antibiotic is able to quickly and easily kill millions of genetically identical bacteria. C) Millions of bacteria are quickly produced by cell division, in one afternoon in a jug of milk that has been left on the counter. Eliminate D) Male anglerfish must live on larger females as parasitic mates, since they encounter other anglerfish so infrequently in the deep ocean.

Answers

Answer:

The correct answer would be an option B.

Asexual reproduction is a reproduction in which offspring are produced from a single parent.

It does not involve fusion of gametes and crossing over due to which the offspring contain identical genome as that of parents.

This reduces the genetic diversity in a population due to which all the organisms of a population are at equal risk of extinction under unfavorable conditions such as high temperature, antibiotics, change in pH of surrounding medium et cetera.

Thus, the disadvantage of asexual reproduction is the lack of genetic diversity due to which a single antibiotic is able to kill millions of genetically identical bacteria.

Which structural component is found in DNA but not in RNA?A.ribose
B.deoxyribose
C.phosphate group
D.nitrogenous base

Answers

I believe the correct answer is B. Deoxyribose

Explanation:

The nucleotide of a DNA is slightly different to that of RNA due to an addition of a hydroxyl (OH) on the sugar molecule on the RNA nucleotide located on position 2 of the nucleotide.

Further Explanation:

The DNA and RNA molecules are almost similar.

1. Nitrogenous bases

They both have a nitrogenous base on position one. The nitrogenous base can be one of the 5 bases Adenine, Cytosine, Guanine or Thymine which can be coded by their alternate Uracil in the right places. They are considered to be the building blocks of the DNA and RNA molecules.

2. Phosphate group

Located on position 5 of the nucleotide of both in RNA and DNA is the phosphate group. It has important functions including forming part of an ATP molecule to provide the body with the required energy. They also activate proteins through a process called phosphorilation for example in the cAMP cycle they activate protein kinases.

3. Ribose

On the second carbon position there is a ribose sugar. It has only one oxygen molecule linked to each one of the 5 carbon atoms. On the second carbon position, the oxygen molecule is bound to a hydrogen atom forming a hydroxyl (OH). It is only in the RNA that the ribose sugar exists giving it its name; Riboneucleic acid.

4. Deoxyribose

The prefix deoxy- means that lack of oxygen. That is where the name deoxyribonucleic acid (DNA) comes from. On the second carbon position of the nucleotide is where there is lack of the oxygen molecule that usually binds to the carbon and hydrogen molecules leaving a hydrogen only bound to the 2nd carbon position. This sugar is only found in the DNA molecule. This small lack of an oxygen bound to the hydrogen allows specific enzymes to be able to identify the difference between a DNA molecule and an RNA molecule.

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Level: College

Subject: Biology

Topic: Genetics

Difference between the two, DNA and RNA, is that DNA comprises of deoxyribose sugar while RNA comprises of the ribose sugar.

Further Explanation:

DNA and RNA are known to be the most vital molecules in the field of cell biology and is responsible for storing as well as reading the genetic information which basically underpins all life. They are both known to be linear polymers comprising phosphates, sugars, and bases.

DNA or deoxyribonucleic acid and RNA or ribonucleic acid are basically polymers comprises of monomers which are called nucleotides. A molecule of RNA comprises of 5 carbon sugar-phosphate associated with one of the four nucleic acid bases, namely, cytosine, guanine, uracil, and adenine. RNA comprises of a ribose sugar, with the hydroxyl modifications. RNA comprises of only one strand and is also known to be shorter as compared to DNA molecule. As RNA comprises of a ribose sugar, it is known to be more reactive as compared to the molecule of DNA.

In a molecule of DNA, the sugar is lacking the hydroxyl group at the 2’ position and the thymine base is observed instead of uracil. DNA comprises of two strands and it is arranged in a double-helical structure. DNA is considered to be more stable as compared to the RNA molecule due to which, it is useful for the DNA molecule to carry the responsibility for storing the genetic information safely.

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Learn more about DNA brainly.com/question/1600165
Learn more about RNA brainly.com/question/334927
Learn more about nitrogenous base brainly.com/question/2416343

Answer details:

Grade: Middle school

Subject: Biology

Chapter: Molecular Biology

Keywords:

DNA, RNA, double helix, a ribose sugar, deoxyribose sugar, phosphates, nucleotides, adenine, thymine, cytosine, guanine, and uracil.

What underlying theme do the four molecular techniques share?

Answers

All of the following such as DNA sequencing, PCR, electrophoresis, and DNA hybridization are used in molecular techniques for genetic analysis.

What is the genetic analysis?

Genetic analysis is the science of identifying, studying, and diagnosing genetic variations in an organism's DNA. The most common molecular techniques used in genetic analysis include DNA sequencing, PCR, electrophoresis, and DNA hybridization.

All of these techniques share the underlying theme of genetic analysis, with a focus on the analysis of genetic variations in DNA. DNA sequencing is used to read and interpret the genetic code, while PCR is used to amplify specific DNA sequences, enabling their detection.

Electrophoresis is a technique that separates DNA fragments based on their size, charge, and other physical properties, and DNA hybridization is a technique that detects and quantifies specific DNA sequences by binding them to complementary DNA probes.

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Your question is incomplete, most probably the complete question is:

What underlying theme do the four molecular techniques share?

A. DNA sequencing

B. PCR

C. electrophoresis

D. DNA hybridization

Nanotechnology, the atomic material is molecular and supramolecular levels of control. Also mentioned as the oldest and most common definition of nanotechnology, molecular nanotechnology today, exactly 'the control of atoms and molecules for the production of macroscale product represents a particular purpose. The more general definition of Nanotechnology National Nanotechnology Initiative by later. National Nanotechnology Initiative nanoteknoliji of 'at least one of size up to 100 nanometers in size control agent 1' is defined. Demonstrates the fact that this definition; quantum mechanical effects are important in the quantum-field scale. Thus, the definition rather than a specific technological purpose, turned into a category covering all areas of research addressing the special nature of the substances formed under the size limit of the types of technology and research. That's why "of nanotechnology" and the "nanoscale technologies" of the plural form 'is very common that the common feature of size and Applications expressed a wide range of research. Potential applications (including industrial and military) has invested billions of dollars to the state because of the diversity of nanotechnology research. US National Nanotechnology Initiative thus made $ 3.7 billion investment. The European Union and Japan has invested $ 1.2 billion, $ 750 million. Nanotechnology is defined in magnitude for earth science, organic chemistry, molecular biology, semiconductor physics, contains areas of science such as micro fabrication and naturally is very wide. Related research and applications in the same way as they are diverse. From the extension of the basic device physics to completely new approaches to non-atomic molecular self-assembly, from developing new materials with dimensions on the nanoscale, they vary from the direct control of matter on the atomic scale.

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

Answers

The correct answer for the question that is being presented above is this one: "B. Approximately 20 %" The fraction of the fossil fuel emissions in the United States that could be absorbed by converting 25% of agricultural land in the U.S. to native forests is 20%.

Here are the following choices:
A. approximately 10 %
B. Approximately 20 %
C. approximately 30 %
D. Approximately 40 %

approximately 20%

____________________________

*100% CORRECT ANSWERS

Question 1

The principal characteristic that differentiates temperate and tropical rainforests is __________.

latitude

Question 2

Which of the following are important products of rainforests?

all of the choices

Question 3

Which of the following best describes the use of rainforest plants as anticancer drugs?

Twenty-five percent of the active ingredients in cancer drugs are exclusively rainforest plants.

Question 4

Which of the following is the most direct method for combating rainforest deforestation?

rehabilitation

Question 5

The sustainable use of rainforest resources is exemplified by _______.

harvesting nuts

Question 6

Which of the following best describes the impact of rainforest deforestation on global precipitation?

The pattern of global precipitation is altered.

Question 7

A forester is _______

a person who manages and supervises land used for timber production

Question 8

Which of the following is a technology used by foresters?

all of the choices

Question 9

Even-aged management practices involves clearing trees that _______.

are all near the same age

Question 10

Which of the following forest management practices is best for reestablishing areas of forest?

reforestation

Question 11

How do trees act as carbon sinks?

all of the choices

Question 12

How does the destruction of forests contribute to levels of atmospheric carbon?

Fewer trees leads to smaller amounts of carbon dioxide being absorbed from the atmosphere.

Question 13

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

approximately 20%

Question 14

Why is clearcutting an especially damaging forestry practice for species that rely upon older trees for their survival?

Clearcutting removes all trees in a stand, old and young.

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