what structure attaches muscle to bone​

Answer:

C

Explanation:

Adult stem cells can only differentiate to form a single type of cell.

Embryonic stem cell are pluripotent as they can differentiate into any cell types except extra embryonic membranes like placenta.

Only zygotic stem cells are totipotent

Adult stem cells differ from embryonic stem cells as Adult stem cells have unipotency, and embryonic stem cells have pluripotency.

Unipotency: A unipotent cell is that one stem cell that has the capacity to differentiate into one cell type only.

Pluripotency:  pluripotent cell that has the potential to differentiate into any cell of the three germ layers i.e  endoderm ( stomach lining, gastrointestinal tract, the lungs etc), mesoderm (muscle, bone, blood, urogenital etc), or ectoderm (epidermal tissues and nervous system etc), but not into cells of extra-embryonic tissues like the placenta.

Adult Stem Cells are unipotent that is they can develop only one type of cell but Embryonic Stem Cells are pluripotent, Hence, can develop into any cell type.

therefore option c is correct.

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The correct option is

Mitochondria is one of the organelles that are found in living cells and it is the one responsible for the production of ATP, which is the source of energy that is usable by the cells. Mitochondria is designed in such a way that, it will be able to carry out its functions efficiently. Mitochondrial has two membranes, one at the outside and the other one at the inside. While the outer membrane is smooth, the inner one is highly folded and it formed a structure called cristae. The folding of the inner membrane serves to increase the surface area inside the mitochondria.

Answer:

The correct answer in A. Mitochondria

Explanation:

I got it right on Edmentum

Carbohydrates is 2

Proteins is 4

Fats is 3

Vitamins is 1

Answer:

- Carbohydrates is provide a quick source of energy for cell and tissue.

- Proteins is form tissue, growth factors and hormones

- Fats is form structural components of the cell membrane

- Vitamins is acts as antioxidants

Answer:

Glucose is formed during the light-independent reaction of photosynthesis.

Explanation:

Photosynthesis is divided into two reactions. The light dependent reaction and light independent reaction. The light independent photosynthesis is also called Calvin cycle. Calvin cycle use the ATP and other products of light dependent photosynthesis to produce glucose. Calvin cycle is also called dark reaction and takes place in the Stroma of chloroplast.

Answer: I believe the answer is C) Glucose!!!!!!!!!!

The odd one out would be the crow

The crow is the odd one out in the group because it's a bird capable of flying, unlike the jackal, hyena, and vulture which are terrestrial mammals.

The odd one out of the group comprised of a jackal, a crow, a hyena, and a vulture is the crow.

This is because the crow is a bird while the jackal, hyena, and vulture are all mammals. Furthermore, the crow is the only one in the group that is capable of flight. The jackal, hyena, and vulture, on the other hand, are terrestrial animals.

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Answer:

Jack's house

Explanation:

Point of reference is a point in a space that can be used to tell where other things are positioned. It is also known as the reference point. A simple way to put this is the starting point. As you can see in your example, Jack started from his home and is moving in directions depending on his house's location.

The answer is D. The moon’s surface reflects sunlight.

The moon appear to shine its own light because the moon's surface reflects sunlight which is in option D as moon does not emit its own light like a star. Instead, it appears to shine because it reflects sunlight.

The intensity of the moon's reflected light can vary depending on factors such as the moon's position in its orbit and the angle at which sunlight hits its surface. This is why the moon appears to change in brightness throughout its lunar cycle, which we observe as the different phases of the moon. It's important to note that the moon's atmosphere is extremely thin compared to Earth's atmosphere, and it does not have the ability to scatter or reflect sunlight in the same way Earth's atmosphere does.

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Answer: Survival of the fittest

Explanation: There where not many trees in the plains and with so many Giraffes roaming around with little predators, food was hard to come by. As the lower branches started thinning out, only the taller giraffes could reach the higher branches. When there was no food left, the shorter Giraffes started to die off, leaving only the taller giraffes. This is known as Survival of the Fittest because only Giraffes with the taller gene where able to survove. The shorter gene is extinct now becasue they no longer had food to live off of.

Answer:

Usattestpred Answer:

They had food sources that were low to the ground

Explanation:

I did it?? I got 100 percent..

Answer:

High and low tides are caused by the moons gravitational pull on the earth.

Explanation:

Hope i helped you.

They are caused by the moons gravitational pull

Raoul's ability to read without being distracted by environmental noise illustrates selective attention, which is a cognitive skill allowing someone to focus amid distractions.

The situation described where Raoul isn't easily distracted by the sounds of the television or his brothers' loud arguments while reading a novel best illustrates selective attention. This cognitive process allows individuals to focus on a specific stimulus while ignoring others. It's akin to what's often promoted in the twenty-first century as a way to combat the 'new attention economy', where our attentiveness is constantly challenged. Selective attention can be seen as a form of mindfulness training, allowing an individual to manage their focus in a world full of distractions.

Answer:

c. Presence of predators

Explanation:

The presence of predators can cause natural selection to occur. In the presence of predators, individuals with advantageous traits such as faster speed, better camouflage, or stronger defenses are more likely to survive and pass on their genes to the next generation. Hence option c is correct.

Natural selection is the process by which certain traits or characteristics become more or less common in a population over time due to their impact on survival and reproduction.

As a result, the frequency of these traits increases in the population, leading to an overall change in the population's genetic makeup.

The mechanism of natural selection was first proposed by Charles Darwin as part of his theory of evolution by natural selection. Darwin observed that individuals in a population vary in their traits, and those with traits that help them survive and reproduce are more likely to pass on their genes to the next generation.

Over time, this can lead to the evolution of new species, as advantageous traits accumulate and become fixed in the population.

Therefore the correct option is C the presence of predators.

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it would probably decrease

Answer:

Its population decreases.

Explanation:

Answer:

The rock will be old between 360 and 290 million years

Explanation:

If we have fossils from both nautilus and goniatite in the same rock layers, then we can look at the periods in which these two animals lived as a clue about the age of the rocks, thus the animals themselves as well. The nautilus occurs in the fossil records around 410 million years ago, but it is not extinct, in fact it still exists and it is one of the oldest species on the planet. The goniatite has had different story, as it existed for around 70 million years, between 360 and 290 million years ago. We can see from this information that these two organisms coexisted throughout the whole existence of the goniatite, thus the rocks can have an age of anywhere from 360 to 290 million years.

Answer: DNA evidence

Scientists more accurately estimate the point of divergence in evolutionary relationships using molecular clocks and phylogenetic trees constructed from morphology, fossil records, and genetic data, which can include DNA analysis and protein sequence comparison.

Scientists can estimate more accurately at what point various groups of organisms diverged evolutionarily from one another by using molecular clocks and analyzing phylogenetic trees. Molecular clocks use DNA sequences to estimate relatedness among species and determine when species diverged from a common ancestor. Phylogenetic trees are constructed using combined data from morphology, fossil records, and genetic information. These trees represent hypotheses of evolutionary relationships, and they continue to evolve with new discoveries and data.

By identifying homologous characteristics—traits that are similar due to shared ancestry—scientists can discern evolutionary connections between organisms. Using techniques like cladistics and applying the concept of maximum parsimony, scientists can determine the evolutionary timeline that suggests the simplest and most probable path of divergence.

Comparative data from the fossil record and molecular structures, such as DNA nucleotide sequences or amino acid sequences in proteins, enhance the accuracy of these estimates. Moreover, evolutionary investigations combine morphologic and genetic evidence to uncover the evolutionary history of life forms, contributing to the broader understanding of the 'tree of life.'

Answer:

Option (C)

Explanation:

When many trees are removed from any area, the area becomes dry and gets adversely affected. Due to the lesser amount of trees, the area will evaporate more due to its dry and increasing temperature, as a result of which there will be more precipitation. This precipitation will lead to more amount of surface runoff over the area. So the transpiration will simultaneously decrease as the plants will not be able to absorb water by its roots, that regulates the overall temperature of the plant and protects it from dying.

Thus, the transpiration process is directly proportional to the number of plants and trees in any area.

Thus, the correct answer is option (C).

Answer:

Low consumption rate and Lack of access to vaccines are correct.                                    

Explanation:

A developing country is a country which has low development and it lacks behind economically from other countries. The developing country also has low rate of industrialization as compared to other developed countries.    

Answer:

lack  of pharmacies

poor sanatation

low consumption rate

Explanation:

Answer:

They are examples of erosion by water in different forms

Explanation:

The similarity between a fjord and a gully is: They are examples of erosion by water in different forms. Option C

Both fjords and gullies are landforms shaped by the erosional forces of water, but they are created in different geographical settings and by different processes.

Fjords are typically found in glaciated areas and are formed by glacial erosion, while gullies can be found in various landscapes and are formed by the erosional action of rivers and streams.

Therefore we conclude that these two environmental phenomena are erosion types that occur in the surrounding we live in

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Answer: C. Coatis will eat more figs.

Explanation:

A food chain is a sequence of distribution of energy in the form of food. In a food chain one organism is consumed by another organism. A food web forms when two or more food chains are interlinked.

According to the given food web, the strangler fig is eaten by the beetles and coatis. If the population of beetles declines the competition for the same source of food that is strangler fig will reduce between the two species of beetles and coatis. Hence, coatis will eat more figs if the population of beetle decline or drop.  

Answer:

Coatis will eat more figs

Explanation:

Answer:

C. Regulates all cell activities.. And it is found in nucleus.

Answer:

C) regulates all cell activity:nucleus

Explanation:

regulates all cell activity:nucleus

DNA is used for asexual and sexual reproduction; it is the blueprint for traits passed from one organism to another. It controls ALL cell activity by producing the blueprint for proteins. Proteins form enzymes, which regulate cell processes. DNA is found in the nucleus of any eukaryote cell. In prokaryotes, or bacteria, the DNA is in the cytoplasm.

Answer:

a

Explanation:

usa test prep

Answer:

Your correct answer is A) speciation results in biodiversity.

Explanation:

Answer:

The answer would be B. Earth is an electromagnet.

Explanation:

The Earth is a giant electromagnet. It's electromagnetic field is generated from the currents of electricity coming from molten metal flowing in the outer core of our Earth. The heat from the inner core causes convection and that is how electric current flows within Earth.

Answer:

A magnet always has two poles.

Answer:

the answer is Surface

Explanation:

Wind creates surface currents by dragging a layer of water when it passes over the water’s surface. This differs from deep ocean currents which are mainly driven by temperature and salinity differences.

Surface currents are oceanic currents that occur at or near the surface of the ocean, and they are primarily driven by the wind. These currents are responsible for moving large amounts of water horizontally across the ocean's surface. Wind interacts with the surface of the ocean, creating friction and causing the water to move in the same direction as the wind.

When the wind blows across the surface of the ocean, it imparts its energy to the water, generating these surface currents. The direction and strength of surface currents depend on factors such as wind speed, wind duration, and the geography of the ocean. These currents can have a significant impact on various aspects of the marine environment, including climate, marine life, and navigation.

So, in the sentence "The wind stirs up surface currents," the word "surface" indicates that the wind's action primarily affects the currents near the surface of the ocean.

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Answer:

Rhizome

Explanation:

Rhizomes are stems that are grown underground

Capable of asexual reproduction (producing an organism identical to the parent)

also produces food (many used in cooking like tumeric and ginger)

Answer:

The correct answers for Plato are 1)B. Rhizome and 2)A. Storing (:

Answer:

the exhalation of water vapor through the stomata.

The correct answer is B. Equilibrium :))))

Answer: B. Equilibrium

Explanation:

Homeostasis is the tendency of the body to maintain a state of equilibrium. In this the body maintain the internal condition of the body constant and stable although the changes occurring in the external environment are not favorable. These include maintainance of the blood pressure, temperature, pH and other features that maintains the stability of the body and increases the chances of survival.

Answer:

I would say the best answer for this question would be A.

Explanation:

I chose this answer because factually, it does check out.  Say, for example there is a clinical trial for a drug to treat a specific disease.  

I can rule out B because obviously these doctors would not purposely infect the volunteer with this disease just to take a shot at curing them.  

I ruled out C because if we were using this trial drug on a completely healthy person... how would we know that the drug can help/cure the disease in mind if the person never had the disease in the first place.  C is simply absurd.  

And finally, D is much like B and so I can rule it out as well for the same reason.  

Answer: patients volunteer because they have a specific disease

Explanation:

Answer:

Movement of water from it higher potential to its lower potential.

Answer:

Osmosis is the chemical process.

Explanation:

Osmosis is the chemical process, where the solution moves from higher concentration to lower concentration through a semipermeable membrane. Osmosis may be slow or reversed, where the movement of solution is occured against the concentration gradient, from lower to higher concentration. Osmosis is similar to diffusion. Diffusion follows the same process as in osmosis without semipermeable membrane.

There are three types of osmotic solution:

Isotonic = Water moves in and out of the cell at an equal rate.

Hypotonic = Water moves into the, making it swell.

Hypertonic = Water moves out from the cell, like a raisin.

Your answer is going to be letter B

Answer:

d they do not produce a protein

Explanation:

The SI base unit of mass is the kilogram (kg), which was historically based on a physical object but has been redefined in 2019 in terms of the Planck constant to maintain its stability over time. A kilogram is about 2.2 pounds, and a gram is 1/1000th of a kilogram.

The SI base unit of mass is the kilogram (kg). Historically, it was defined by a platinum-iridium cylinder, known as the International Prototype of the Kilogram (IPK), which was stored at the International Bureau of Weights and Measures near Paris. However, in May 2019, the definition was revised and is now based on fixed numerical values of the Planck constant and other fundamental physical constants. This redefinition ensures that the unit will remain stable over time, unlike the IPK which could lose or gain atoms, and thus mass, over time.

Laboratories commonly use balances for measuring mass, which must be calibrated using a standard mass to ensure accuracy. The kilogram is pivotal in making mass comparisons because all other masses are ultimately compared to it. As of 2019, with the advancement in science and technology, a more accurate way of defining a kilogram using the Kibble balance and Planck's constant has been adopted.

A kilogram is equivalent to about 2.2 pounds, and a gram is exactly 1/1000th (10-3) of a kilogram. These measurements fall under the metric system widely used in scientific and engineering contexts.