The Formation of the Universe: Tutorial
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As you've learned, different objects in space emit different wavelengths of electromagnetic radiation. Use the chart to match
each of the following wavelengths to the correct region of the electromagnetic spectrum.
10-
10
10.
1013
Increasing Frequency (v)
109
10
109 10 10" (Hz)
10"
1014
1012
1010
10
Y rays
X rays
UV
IR
Long radio waves
Microwave FM JAM
Radio waves
10 10
1
10
TO
10-12
10
110
10
10
100
10
10'
10
109
2 (m)
Increasing Wavelength 0) ►
Visible spectrum
100
700
500
600
Increasing Wavelength() in nm

When we are classifying and DNA RNA we must consider that even when they are both nucleic acids, that is to say, they possess nitrogenated bases they have structural differences, such as single or double-stranded as well as the bases themselves that compose it.

The differences are as it follows:

DNA Only:

Double-stranded

Bases Bond Together

Thymine

DNA & RNA:

Phosphate-Sugar Bonds

Phosphates

Adenine

Cytosine

Guanine

RNA Only:

Single-stranded

Uracil

Answer:

A. The difference between relative dating and absolute dating is that relative dating determines the order in which events occurred, whereas absolute dating gives a numerical age for an event or object.

B. A half-life is the amount of time it takes for half of the original radioactive material to decay into a stable daughter isotope. This means that after one half-life, half of the original radioactive material will remain, and after two half-lives, one quarter of the original radioactive material will remain, and so on.

C. Scientists use radiometric dating to figure out the age of a substance by measuring the ratio of radioactive isotopes to stable daughter isotopes in a sample. By knowing the half-life of the radioactive isotope and measuring the ratio of the two isotopes in a sample, scientists can calculate how many half-lives have occurred and thus determine the age of the sample. This technique is commonly used to date rocks and minerals, but it can also be used to date fossils and other organic materials that contain radioactive isotopes.

Explanation:

Answer: A person pushes against a wall (action force), and the wall exerts an equal and opposite force against the person (reaction force). The Space Shuttle engines push out hot gases (action force), and the hot gases put a force on the shuttle engines (reaction force) so the shuttle lifts (there is no sling shot doing it!)

The species will most likely survive if the prey population in the area decreases (A). Species X because it is difficult to bring down a small prey is correct option.

If the prey population declines, species X, which has short canine teeth and is specialized for small prey, would benefit. This is so because of how tough it is for them to take down a large prey due to their physical makeup. In contrast, due to their specialised traits, Species Y, with 1-foot-long canine teeth and an adaptation for huge food, may encounter difficulties when hunting smaller species. Therefore, in a scenario where the population of the prey drops, Species X has a higher chance of surviving.

Therefore the correct option is (A).

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Answer:

Plants perform photosynthesis because it generates the food and energy they need for growth and cellular respiration. It is important to note that not all plants photosynthesize. Some are parasites and simply attach themselves to other plants and feed from them.

Answer:

Photosynthesis is important for plants because it let them make their foods.

Answer:

I think it is C

Explanation:

not 100% sure

an example could be:

quietest noise - a clock

loudest noise - family members talking

distractions - a TV show

The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is Elasticity.

Stretching a muscle to its complete range of motion without being constrained is possible thanks to tissue elasticity. The body has a variety of tissues, such as connective tissues and soft tissues. Tissues frequently become constricted and inelastic, increasing muscle tension and pain.

Muscle tissue is made up of cells with the unique capacity to constrict or shorten in order to cause movement of the bodily components. High levels of cells and blood vessels can be found throughout the tissue.

Therefore, The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is Elasticity

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Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.

Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.

Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.

Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.

Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.

Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.

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Answer:

true

Explanation:

We can see a number of intermediate products made of carbon molecules that follow the Calvin Cycle.

These products and the chemicals that make them up the Calvin Cycle can be listed as follows:

1. Carbon Dioxide contains 3 molecules or 3 carbons.

2. 6-phosphoglycerate has 18 carbons in 6 molecules.

3. 1,3-Bisphosphoglycerate, which contains 6 molecules and 18 carbons.

4. There are 15 carbons in 5 molecules of glyceraldehyde-3-phosphate.

5. Ribulose-5-phosphate, which has 3 molecules and 15 carbons.

6. Three ribulose 1,5-bisphosphate molecules have a total of 15 carbons.

It is crucial to note that after photosynthesis, the Calvin Cycle is one of the pathways for fixing carbon in plants.

Melvin Calvin first described this procedure, which has three stages: fixation, regeneration, and receptor.

The complete question is:-

For each intermediate compound in the Calvin cycle, identify the number of molecules of that intermediate and the total number of carbon atoms contained in those molecules. As an example, the output G3P is labeled for you: 1 molecule with a total of 3 carbon atoms. Labels may be used once, more than once, or not at all.

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Answer:

Its C

Explanation:

-Ella-

The experiment performed by student only creates the vortex, caused by the interaction between the liquid and its movement in the jar. Therefore, none of the statements are true.

The experiment performed by student involves mixing water, dish soap, and vinegar in a jar, thereby, creating a solution having a lower surface tension than plain water. Due to swirling of the jar, the liquid inside the jar spins creates a difference in surface tension between the center and the edges of the jar.

This effect is known as the vortex, caused by the interaction between the liquid and its movement in the jar.

The experiment by the student does not demonstrate the interaction between Earth systems. Blizzards and hurricanes occur due to interaction between the atmosphere and the Earth's surface, while tornadoes and thunderstorms occur due to atmospheric convection currents.

Therefore, only vortex is caused by the interaction between the liquid and its movement in the jar.

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Answer:

The expected phenotypic ratio in the population will be 15:1

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

The main idea of Wegener's continental drift theory is that the Earth's surface is composed of moving plates. Thus, the correct option for this question is A.

Wegener's continental drift theory may be defined as the process of gradual and continuous movement of the Earth's continents relative to each other due to the trembling of tectonic plates.

He introduced the idea of moving continents that significantly breaks up in order to form several different continents. According to him, initially, there was a single continental mass that is called a Supercontinent.

With respect to time, this supercontinent is being split into other small continents through the movement of tectonic plates. The theory of continental drift states that the continents were once joined together in one large landmass.

Therefore, the Earth's surface is composed of moving plates was one of the main ideas of Wegener's continental drift theory. Thus, the correct option for this question is A.

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We have to consider that a cone, as a fruit, have differences and similarities, and we can name some of those similarities realizing that in the part number four, there's a channel or duct for the pollen to reach the female sexual cells of the plants, known as pollen tube. Also, we can name that in the part number 3 of the structure, there's the ovule of the cone, while the 1st one and the 2nd one are the seed scale, and a bract scale, respectively.

ATP can be used as a source of heat for the body where the oxidative phosphorylation taking place inside the inner mitochondrial membrane takes up various reactions taking place in order to produce heat.

ATP stands for adenosine triphosphate where it is the energy currency where it is the ultimate energy source of cell which goes oxidative phosphorylation in order to take up the part in various reactions.

ATP takes part in creating heat for body reactions, oxidative phophorylation is the process where the breakdown of ATP takes place along with the breakdown of ADP along with Pi ion which creates energy.

The energy released in the reactions is used in various molecular reactions to be carried inside various cells and the energy is used in carrying out various processes in the cell.

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A gene can be described as being made up of DNA and it contains the instructions which are required for the building of the proteins.

The correct option is option C.

Genes are basically considered as the the functional units of heredity as they are basically composed of DNA, which is the nucleic acid responsible of the transmission of information from one generation to the other generation.

The chromosomes which are present in our body are basically made up of DNA which contain a number of genes. Each of the gene basically comprises of certain set of instructions which are required in order to perform a particular function or codes for some proteins.

Hence, the correct option is option C.

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The aim of antimicrobial treatment is to kill or inhibit the infecting organism without damaging the host; this is known as selective toxicity.

What is antimicrobial treatment ?

Antimicrobial treatment is the use of antimicrobial drugs to treat bacterial, fungal, or viral infections. Antimicrobial drugs are used to kill or stop the growth of microorganisms, including bacteria, fungi, and viruses. These drugs work by either killing the microorganisms directly or by inhibiting their growth.

What is  selective toxicity?

Selective toxicity is the ability of a chemical or biological agent to target a specific organism or cell type while leaving other organisms or cells unharmed. It is an important concept in the development of drugs, pesticides, and other treatments. Selective toxicity is desirable because it means that the agent can be used without causing harm to other organisms in the environment.

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Elk and fallow deer are classified in the same genus, Cervus, because they are closely related and have similar physical and biological characteristics.

The genus Cervus, in the family Cervidae, is a group of deer species that includes both elk and fallow deer. These species are closely related due to their shared evolutionary history, and they have similar physical characteristics, such as their antlers, body size, and coat patterns.

Additionally, elk and fallow deer have similar biological behaviors, such as similar mating rituals and social structures. This shared biology is another reason why they are classified in the same genus.

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Answer:

cells are the basic building blocks of all organisms , whether living or dead.

atoms are the basic building blocks of matter(non-living things) . every item , for eg, chair, book, toothbrush are made of atoms?

Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.

The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.

Assuming a diallelic gene,

Allelic frequencies

Genotypic frequencies

The addition of the allelic frequencies equals 1

p + q = 1.

The sum of genotypic frequencies equals 1

p² + 2pq + q² = 1

In the exposed example,

Alleles          Frequencies

Genotypes

We need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate  genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).

Genotypic and Phenotypic frequencies

F(S^AS^A) = p² = 0.6² = 0.36

F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48

F(S^BS^B) = q² = 0.4² = 0.16

Number of individuals expressing each phenotype

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Complete question

A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes

In a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.

Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working

Answer:

Genes

Explanation:

Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.

To get to the Chesapeake Bay from Charlottesville, water would travel eastward.

The South Fork Rivanna River Reservoir, which lies along Route 29 North and serves as the City of Charlottesville's main water source, and Ragged Mountain Reservoir both supply water to the city. Mechums and Moormans rivers make up the majority of this reservoir's water supply.

From the west, the James, York, Rappahannock, Potomac, Patuxent, Patapsco, and Susquehanna pour into the Bay.The Pocomoke, Wicomico, Nanticoke, Choptank, and Chester all approach from the east in a similar manner.

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Answer:

Explanation:

where are the following

The correct answer is B. It has made tetanus a rare disease in the United States. As with other vaccination programs, Tetanus vaccine has had a high success rate in preventing the disease among vaccinated people. Reinforcing the value of vaccines in preventing serious disease.

Answer:

The sentences above are describing climate

Answer:

climate

Explanation: