I dont understand what it means. Please help, and if you can give some examples on what im supposed to do that will be great :)

Answer:

Bilateral symmetry is a type of body plan in which the left and right sides of the body are mirror images of each other. This type of body plan lends itself to special divisions such as head, thorax, and abdomen. Examples of animals that are bilaterally symmetrical include humans, fish, frogs, butterflies, and worms.

Explanation:

Answer:

Explanation:

d

Numerous applications of biotechnology exist, including those in medicine, energy production, food processing, waste management, and many others.

Gene therapy, a method to correct genetic defects in an embryo or kid, is a valuable application of biotechnology in the medical industry. Other applications of biotechnology include the usage of various equipment like the ECG and EEG. Similar to energy generation, biomass production falls under the category of biotechnology. Biotechnology is used in enterprises to process food utilizing a variety of scientific methodologies, including engineering techniques. Modern biotech is the controlled manipulation of genes and live tissues to produce new tissue, as opposed to traditional biotech, which uses natural organisms to produce or modify food or other valuable goods for human use.

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Answer:

A gene is composed of a sequence of nucleotides, which are the building blocks of DNA. Each gene contains the information needed to construct a specific protein, which performs a specific function in the body. Genes are passed from parent to offspring and contain the instructions that make each species unique.

Explanation:

Answer:

a chrosome is made up of proteins and DNA organized into genes each cell normally contains 23 pairs of chrosomes.

Chromosomes are structures formed by a DNA molecule associated with protein molecules. In prokaryotic cells, we observe a circular chromosome; in eukaryotes, chromosomes are linear and located inside the nucleus.

Answer: Dark Reaction

Explanation: Its the second stage of photosynthesis and it does not require light.

Adults can best help young children learn movements by Introducing toys that children can push and pull. You can use bright colors can also be helpful.

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If Cystic fibrosis is the result of deletion mutations that are inherited from both parents, then the sample chromosome that shows an example of a deletion mutation is  B. RSTUV-XYZ ----> STUV-XY.

A deletion genetic mutation can be defined as an alteration in the genetic material of the cell of an individual associated with the loss of one or more nucleotides in the original sequence.

Therefore, with this data, we can see that a deletion genetic mutation is caused by the loss of nucleotides in the DNA.

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A round seed phenotype and the dominant allele for the roundness trait were present in three-fourths of the f2 plants. Dominant covers the trait of recessive.

An allele is a gene form that can appear as a pair and exhibit either a homozygous or heterozygous phenotype of a characteristic.

Both dominant and recessive forms of the trait can be expressed by these genes. When two organisms are crossed, the F2 generation of the progeny exhibits three phenotypes: homozygous dominant, heterozygous dominant, and recessive.

Therefore, the roundness trait was present in three-fourths of the f2 plants.

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Answer:

C. If they have not been fed properly...

Explanation:

If they have not been fed properly, sheep will eat bitterweed. This fact would support the veterinarian's theory that the sheep have eaten the poisonous scrub, as it suggests that the sheep may have turned to eating the bitterweed due to hunger or malnutrition.

Punnett squares represent the possible genotypes of the offspring according to the parental's gamete combinations. The number of gametes depend on the number of alleles and traits considered.  A) New rows and columns were added to the square because each parent contributed with four types of gametes (4 rows and 4 columns). B) The square would be constructed with eight rows and eight columns.

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett squares are composed of columns and rows in which all the different potential gametes are placed.

The intersection between each column and row suggests a possible genotype among the offspring.

The number of columns and rows will depend on the number of genes involved in the cross. We can use the formula 2ⁿ to figure out how many gametes are possible (2 is the number of alleles, and n is the number of genes). Assuming diallelic genes,

Punnett squares shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

In the exposed example, we need to compare a punnett square in which we consider only one gene with a punnett square in wich two genes are considered.

From activity 4: Punnett square

Cross: Purple with yellow

Parentals) PP   x   pp

Gametes)   P   P    p    p

Punnett square)

                          P     P

                   p    Pp   Pp

                   p    Pp   Pp

F1) 100% purple kernels, Pp.

Cross: Heterozygous purple kernels from F1

Parentals) Pp   x  Pp

Gametes) P   p    P    p

Punnett square)

                P      p

          P   PP   Pp

          p   Pp   pp

F2) 75% Purple (PP + Pp) and 1/4 yellow kernels (pp)

In these crosses, we only consider one diallelic gene that expresses complete dominance.

Punnett squares are composed of two columns and two rows in which both types of gametes are located.

Now, we need to consider two genes (P and S), which means four alleles are involved and four type of gametes are possible.

Cross: Between two dihybrid individuals

Parentals)        PpSs         x           PpSs

Gametes) PS, Ps, pS, ps        PS, Ps, pS, ps

Punnett square)    

                           PS          Ps          pS          ps

               PS     PPSS     PPSs      PpSS     PpSs

               Ps      PPSs     PPss      PpSs      Ppss

               pS     PpSS     PpSs      ppSS      ppSs

               ps     PpSs      Ppss       ppSs      ppss

F1)

Now, we need to compare Punnett squares from activity 4 (one trait) with this new Punnett square (two traits), and answer the questions,

A. How did you need to change the punnet square to consider two traits?

Since we consider two traits, we need to add rows and columns according to the possible gametes. The new punnett square must have four columns and four rows (2ⁿ = 2² = 4).

Remember that all the possible gametes depend on the number of possible allelic combinations.

B. How would you need to change the punnet square if you were to consider three traits?

If we consider three traits, we need to construct a Punnett square with eight columns and eight rows (2ⁿ = 2³ = 8).

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Answer: Carbon dioxide

Explanation:Because,Carbon dioxide from the burning of fossil fuels is the largest single source of greenhouse gas emissions from human activities.

The most likely factor in the creation of this landform is wind. The horizontal movement of air caused by a pressure differential between two locations is known as wind.

Wind is the flow or rush of winds or an air stream, and it corresponds with bend and tend. The metaphorical term "wind" can also refer to a force that drives social or political change. A person who has run out of energy is described as winded. The word "wind" can also refer to a person's breath.

The uneven burning of the Planet by both the sun and also the Earth's rotating motion result in wind, which is the air's movement. Light breaths to natural disasters like hurricanes and tornadoes are all types of winds.

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Answer: Here are a few examples of classification:

Explanation:

Organizing a library's books by genre (e.g. fiction, non-fiction, children's books, etc.)

Sorting clothing items by size (e.g. small, medium, large)

Grouping types of food based on their ingredients or cooking methods (e.g. vegetarian, vegan, gluten-free)

Answer: Linnaeus

Explanation: Linnaeus established the practice of binomial nomenclature—that is, the denomination of each kind of plant by two words, the genus name and the specific name, as Rosa canina, the dog rose.

Answer:

Yes, working from home will have a future impact on urban sprawl. Working from home reduces the need for people to commute to their workplace, which in turn reduces the demand for housing in urban areas. This can lead to a decrease in urban sprawl, as fewer people are commuting to urban areas and thus fewer people are in need of housing. Additionally, with fewer people commuting to urban areas, there will be less traffic congestion, leading to a reduction in air pollution.

Explanation:

6.The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is visually represented in a spectrogram.

The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is represented visually in a spectrogram. One can observe how energy levels change over time in addition to determining whether there is more or less energy, for instance, at 2 Hz vs. 10 Hz.

The vertical axis or y-axis of the spectrogram view shows frequency in Hertz, the horizontal axis or x-axis denotes time (exactly like in the waveform display), and brightness denotes amplitude. The sine wave is represented by the bright orange curve while the background is black, which represents silence.

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About 80% of the population can determine their blood type from saliva, tears, sweat or milk. These are known as secretors, and they refer to the fact that antigens present in the blood can also be found in bodily fluids like saliva.

Your immune system uses antigens as markers to determine whether or not something in your body is hazardous. Viruses, bacteria, cancers, and healthy bodily cells all include antigens. Antigen testing is carried out to identify viral infections, keep an eye on specific illnesses, screen for them, and ascertain a donor's compatibility with a transplant.

The term "secretor status" describes whether water-soluble ABO blood group antigens are present or absent in a person's body fluids, including saliva, tears, breast milk, urine, and semen. People are classified as secretors or non-secretors depending on whether they secrete certain antigens in their body fluids.

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Answer:

Osmosis is the passive transport of water molecules across a selectively permeable membrane. In osmosis, water moves from an area of high concentration (high water potential) to an area of low concentration (low water potential) in order to balance out the concentration on both sides of the membrane. This process can be observed in living cells, where the membrane surrounds the cell controls the flow of water and other molecules in and out of the cell.

In simple words, Osmosis is a type of diffusion that specifically refers to the movement of solvent molecules through a selectively permeable membrane. It is a fundamental concept in biology and is crucial for the proper functioning of cells and organisms.

The statements described the contents of the cup is that it is a mixture.

Let us notice that the question that we have here is incomplete but to the best of my ability I would try to explain the concept that is involved here. We know that a mixture would imply any combination of the substances that are not chemically combined together.

We can see that both the water and the dirt are independent substances. They do not mix up at all when we put the dirt in the water. They would continue to be separate from each other although they have been mixed together.

Hence, we can see that putting the dirt and the water in the same place would only lead to the production of a mixture of substances as we have described in the answer stated here.

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Answer:

d. Analogous structures is not a good method in examining fossils anatomical features of living organisms.

Explanation:

Analogous structures are physical characteristics that are similar in different organisms due to convergent evolution, rather than being inherited from a common ancestor. While analogous structures can provide valuable information about the environment and adaptations of living organisms, they are not helpful in examining the fossils of ancient organisms because they do not reflect the evolutionary relationships between different species. Homologous structures, vestigial structures, and index fossils are all useful methods in examining fossil anatomy, as they can provide insights into the evolutionary relationships and characteristics of ancient organisms.

Answer: B

Explanation: Trust

If a solution is 8% solute, that means 8% of it (or 8/100ths) is made up of the stuff you added to it. We know that the whole solution is 100%. Therefore, we need to subtract 8% from 100%, which gives us 92%. We know this is correct since you can't have a less than 100% solution, since it exists wholly.

92% should be your answer.