Offer a possible evolutionary explanation for how the bones of animal limbs can have a similar
structure, but very different functions.

Answer:

The natural no between 2 to 15 is 2,3,4,5,6,7,8,9,10,11 and 12. prime numbers among these are 2,3,5,7 and 11. therefore,out of 11 number, 5 are prime number.

Answer:

Explanation:

option b is true.

most coniferous trees have both male and female cones.

Answer:

The gametophytes grow directly from the sporophyte

Explanation:

I got it right on the test:)

Answer:

In genetics, Hh means a heterozygote.

Explanation:

Usually, in genetics, H would be the dominant, and h would be the recessive trait. HH is usually dominant, and hh would be recessive. So, Hh would mean a heterozygote. In a heterozygote, this would mean that the recessive trait is in the genotype, but the dominant trait would still take over. This also means that sometimes, the recessive trait can be shown along with the dominant. This can be possible through co-dominance, and incomplete dominance. Hope this helps!

Answer:

CORRECT (SELECTED)

Heterozygous; one dominant allele and one recessive allele

Explanation:

A heterozygous individual (Hh), also known as a carrier, has a genotype with one dominant allele (H) and one recessive allele (h).

Here are the marks that can be found on a bullet include: Land, Primer dent, Groove and Right or left striations.

A bullet's trajectory is the path it follows from the moment it is fired from the gun until it hits its target or stops. The trajectory of a bullet is influenced by a number of factors, including the initial velocity of the bullet, the angle at which the gun is fired, the weight and shape of the bullet, and the presence of any external forces such as wind or gravity.

The trajectory of a bullet can be calculated using mathematical models, which take into account the various factors that affect its flight path. One thing we cannot use to predict the trajectory of a bullet is the type of gunpowder used in the bullet.

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Image transcribed:

1. What marks can be found on a bullet? SELECT ALL THAT APPLY*

Land

Primer dent

Groove

Right or left striations

2. What is one thing we CANNOT use to predict the trajectory of a bullet?

The conversion of sunlight into electricity using photovoltaic cells (7 letters).

A greenhouse gas released from burning fossil fuels (6 letters).

The process of capturing and storing carbon dioxide emissions underground (10 letters).

The primary source of energy for the Earth (6 letters).

A renewable energy source that utilizes the force of moving water to generate electricity (8 letters).

The process of using nuclear reactions to release a large amount of energy (8 letters).

Down:

2. The phenomenon of the Earth's average temperature gradually increasing due to human activities (11 letters).

A device that converts mechanical energy into electrical energy (9 letters).

The practice of using less energy and being more mindful of energy consumption (8 letters).

The process of splitting atoms to release energy (9 letters).

Please note that these clues are based on common terms and concepts related to energy and global warming.

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Answer:

Kinetic Energy

Explanation:

Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.

Methionine can be abbreviated as Met.

The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.

We can use the codon chart to determine the amino acid sequence.

The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.

Each codon codes for a different amino acid.

For example, the codon AUG codes for the amino acid methionine.

To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).

Then we write down the amino acid sequence for the codons we read, using the codon chart.

Here, the sequence starts with AUG, which codes for methionine.

After that, the next codon is UAA which is a stop codon, so we can stop.

The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).

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Answer:

Explanation:

If cytokinesis did not occur, the cell cytoplasm will not be able to undergo division or divide. As a result, there won't be division of two daughter cells that are identical to the parent. Therefore, it will remain at rest and there won't be separation or division of the parent cell. The cell will still remain as it was. Therefore, there won't be cell division.

Answer:

to see if you have certain infectious diseases you can pass on

Explanation:

In recent years, the United States has experienced an increase in its consumption of natural gas.

Factors contributing to this rise include the abundance of domestic natural gas resources, advancements in extraction techniques such as hydraulic fracturing (fracking), and the transition from coal to natural gas in power generation. Natural gas is utilized for a variety of purposes, including residential and commercial heating, electricity generation, industrial processes, and as a feedstock in the petrochemical industry.

The cleaner-burning nature of natural gas compared to coal has also played a role in its increased use as the country aims to reduce greenhouse gas emissions and transition towards cleaner energy sources.

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Explanation:

what's the question though? lol

Answer:

Answer:

Plants cannot separate the nitrogen gas molecule into a usable element

Explanation:

Nitrogen is an essential element for plant growth and development, but it is present in the air as a gas (N2) that is not readily usable by plants. Nitrogen-fixing bacteria, such as rhizobia and cyanobacteria, can convert nitrogen gas into usable forms of nitrogen, such as ammonia and nitrates, through the process of nitrogen fixation. These nitrogen compounds can then be taken up by plants and used to synthesize amino acids, which are the building blocks of proteins, and other essential molecules.

Answer:

Permeability of plasma membrane is the rate of passive diffusion molecules across the biomembrane.

The functional areas of the brain First-order somatosensory cortex Central Guslatooy Sulas - (7 Cin insulas) The Somatosensory Association in Primary Motor Cortex. Prefrontal context in Motar Association area 7 Lateral Sulces. -> Primary visual cortex Wernicke's Area Area of the Olfactory Association, or Booas.

On the medial surface of the brain, the precentral gyrus and anterior paracentral lobule are home to the primary motor cortex, or M1. The main motor cortex, out of the three motor cortex regions, takes the least electrical current to stimulate a movement.

The motor cortex's main job is to provide signals that control how the body moves. It is anterior to the central sulcus and a portion of the frontal lobe. The primary motor cortex, premotor cortex, and supplementary motor area make up this region.

The motor cortex generates signals that are particular to movements and sends them to the muscles via spinal cord circuits and motoneurons to regulate motor behavior. For the execution of movements to be precise, coordinated muscle activation patterns are required.

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INCOMPLETE QUESTION

BELOW MENTIONED COMPLETE QUESTION

Label the functional areas of the brain by clicking and dragging the labels to the correct location. Broca’s area Prefrontal cortex Primary motor cortex Gustatory cortex (in insula Auditory association area Primary auditory cortex Olfactory association Visual association area area Primary somato- sensory cortex Cerebellum Lateral Motor association area sulcus Central sulcus Primary visual cortex Somatosensory association area Wernicke’s area Reset Zoom ?

From the diagram, circuit a and b are series circuit while c is parallel. Option C

The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.

The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.

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The table that provides the best approximation of an organism's DNA base composition according to Chargaff's research is the third table.

Chargaff, in his research, found that the ratio of purine to pyrimidine bases for virtually all DNAs is constant.

Specifically, Chargaff found that the ratio of Adenine base to Thymine base is always the same. In the same vein, the ratio of Cytosine to Guanine base is always the same.

Thus, if a DNA contains a 21.2% Adenine base, the percentage Thymine base of in the DNA will also be 21.2%. This is for a fact.

In addition, the remaining percentage bases of the DNA must be shared equally between Cytosine and Guanine.

Only table 3 fulfills these conditions.

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Answer:

This is 25%

Explanation:

Analysis, Since the dominant brown eyed  parents  produce blue eye child, this shows they are heterozygote dominant

However,this fraternal twin is not genetically identical, due to the blue eye color,(recessive) but the fact remain that they  are the parents.(because he inherited the recessive allele from each of the parent)Therefore the probability is 25%.

This is because he is the only one out of the 4 kids( based on Mendelian fashion) this is  1/4,25%

Fraternal tweens are produced from different maternal and paternal gametes. The blue-eyed tween has 100% probability of transmitting the blue-eyes allele to the offspring, while the brown-eyed tween has 50% probability.

We will name B to the dominant allele that codes for brown, and b to the recessive allele that codes for blue eyes.

So, the possible genotypes and phenotypes are

Gentoype     Phenotype

BB                  Brown eyes

Bb                  Brown eyes

bb                  Blue eyes    

For the twin boy to have blue eyes, he must have received two recessive alleles, one from the mother and one from the father.

So the father is heter0zyg0us for brown eyes, Bb.

Cross:  Bb  x  bb

F1) 1/2 of the progeny is expected to be brown-eyed, Bb

    1/2 of the progeny is expected to be blue-eyed, bb.

So we have two genotypes for the tweens, Bb and bb.

So, the blue-eyed tween has 100% probability of transmitting the blue-eyes allele to the offspring. The brown-eyed tween has 50% probability of transmitting the same allele to the descendants.

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The gas produced in the burning of fossil fuels that has been most closely linked to rising atmospheric temperatures is carbon dioxide. Option D

As a byproduct of combustion when fossil fuels like coal, oil, and natural gas are used to produce energy, carbon dioxide is discharged into the atmosphere.

As a greenhouse gas, carbon dioxide absorbs heat from the sun inside the Earth's atmosphere, creating the greenhouse effect, which causes global warming. The Earth's natural greenhouse effect, which keeps the globe warm enough to support life, is caused by this phenomena.

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It would take approximately 22.7 million years for one full base pair mutation to occur.

What is mutation ?

To calculate the estimated time period it takes for 1 base pair to mutate, we need to use the mutation rate of 0.76 base pairs every 17.1 million years.

The rate of mutation per year is calculated as follows:

0.76 base pairs / 17.1 million years = 0.044 base pairs per million years

To calculate how long it will take for one full base pair mutation to occur, we need to divide 1 by the mutation rate per million years:

1 base pair / 0.044 base pairs per million years = 22.7 million years per full base pair mutation

Therefore, it would take approximately 22.7 million years for one full base pair mutation to occur.

To construct the mathematical equation, we can use the formula:

Time for full mutation = 1 / (mutation rate per unit time)

Where the mutation rate per unit time is the rate of mutation per million years (0.044 base pairs per million years).

Plugging in the values, we get:

Time for full mutation = 1 / 0.044 = 22.7 million years per full base pair mutation.

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Answer: Projects are expected to create or restore more than 6,600 acres of wetland, marsh and beach habitat, while reducing urban runoff by more than 132 million gallons. The work is expected to benefit more than 210 communities while engaging more than 5,300 young people, veterans and volunteers.

Hope this helps!!

Answer:

Reduced extracellular fluids within the kidney, reduced blood pressure.

Explanation:

The loop of henle, which are located within the nephrons in the kidney, have a task of acquiring the water and NaCl from the blood and keeping enough of it in the body so that the homeostasis is maintained.

The result of giving Lasix that reduces the amount of NaCl reabsorption would first of all be "reduced extracellular fluids within the kidney" and it would also change the pH level of the blood and drop blood pressure levels.

I hope this answer helps.

The first branch of the evolutionary tree is believed to be the separation between prokaryotes (organisms lacking a cell nucleus) and eukaryotes (organisms with a cell nucleus).

The evolutionary tree, also known as the tree of life or phylogenetic tree, represents the evolutionary relationships between all living organisms on Earth. It illustrates the diversification of life over time, showing how different species are related to one another through common ancestors.

1. The first step in understanding the first branch of the evolutionary tree is to recognize that all life on Earth can be classified into three main domains: Bacteria, Archaea, and Eukarya.

2. Among these domains, Bacteria and Archaea are considered prokaryotes, which are single-celled organisms lacking a membrane-bound nucleus. They are believed to have diverged from a common ancestor.

3. Eukarya, on the other hand, comprises organisms with eukaryotic cells, which possess a nucleus surrounded by a membrane. This domain includes all complex organisms such as plants, animals, fungi, and protists.

4. The separation between prokaryotes and eukaryotes is considered the first major branch in the evolutionary tree. It represents a fundamental divergence in cellular structure and complexity.

5. While the exact details and timing of this divergence are still the subject of scientific investigation, it is generally believed to have occurred billions of years ago, early in the history of life on Earth.

6. This initial split paved the way for the subsequent diversification of life, leading to the vast array of species and ecosystems we observe today.

7. It is important to note that the evolutionary tree is a constantly evolving representation of our understanding of the relationships between organisms. New discoveries and advances in scientific knowledge may lead to revisions and refinements of the tree over time.

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Process of detecting environmental stimuli and then converting them into signals that can be detected by  nervous system is called: B) sensation.

Sensation is the process by which we receive information from the environment and our senses respond to a limited range of environmental stimuli. We cannot hear sound of frequencies above 20,000 Hz but dogs can hear them.

Stimuli means an event that causes a functional reaction in a tissue or organ and is the detectable change in the structure of an organism.

Reception is the first step in sensation. Reception is the activation of sensory receptors by stimuli such as mechanical stimuli, chemicals, or temperature.

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Schleiden and Schwann determined that the basic unit of structure and function in living things are cells. Schleiden and Schwann studied both plant and animal cells to find out the similarity and dissimilarity between them.

Cells was first discovered by Robert Hook in the corks of bottles. He found out that in corks there are small compartment like structures present, hence this is the first discovery of cell.

In the mid nineteenth century two German scientists studied cells of both plant and animal and came up with the famously known 'Cell Theory'.

They studied the cells and found out that animal cells differ from plants cell in various ways. The main difference is that plant cell contains cell wall and chloroplast whereas in animal cell, cell wall and chloroplast is absent.

The cell theory states that: -

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Base substitutions, deletions, and insertions are the three forms of DNA mutations.

Define mutation.

A mutation is a change in the sequence of genes. Mutations can be as simple as replacing a single DNA building block, or nucleotide base, with another nucleotide base. Larger mutations, on the other hand, can influence multiple genes on a chromosome. A point mutation occurs when one base in the DNA is changed to another. A missense mutation arises when that point mutation results in the placement of a different amino acid from that codon. Due to the fact that numerous codons code for the same amino acid, not all point mutations result in a missense mutation.

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Answer:

it belongs to Coelenterata phylum.

Answer:

normal matter, dark matter, and dark energy

Explanation: