In a very young planet, called a protoplanet, elements are distributed evenly
throughout. As the protoplanet ages, the elements separate, leading to the formation
of layers with different element concentrations. Some of these elements are listed,
along with their atomic masses and laboratory densities.

Select the elements that would be found in high concentrations in the center of the planet.

Aluminum
Calcium
Iron
Nickel
Silicon
Sodium

Triglycerides are the molecules that provide the greatest energy storage capacity in animal cells.

Triglycerides are the type of fat also called lipids that are found in your blood. When you eat, your body converts calories that it does not need to use into triglyceride molecules. The triglycerides are stored in the fat cells. After the hormones release triglycerides for energy between eating. Sugary food, sweat drinks, saturated fats, refined grains, alcohol, and foods having high-calorie all lead to high levels of triglycerides. The healthcare provider classifies high triglyceride levels i.e. Mild levels as 150-199 mg/dL, Moderate level has 200-499 mg/dL, and Severe levels has Greater than 500 mg/dL. Very high triglycerides may cause blocking of the blood supply to the heart or brain. Symptoms of lower blood supply to your heart could be chest pain.

So we can conclude that option C is the correct answer.

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Oil is insoluble in water. When oil spills in the ocean it creates great "oil islands". These islands are devoid of nutrientes, oxygen or any compound normally found in water. So they represent a massive perturbation to marine biota. Beside this oil disrupts, and frequently kills, marine fauna, such as water birds, and cetaceans.

Sun -> Oak- > decomposer

Sun -> eucalyptus -> koala - > decomposer

Sun -> carrot -> rabbit -> owl- > decomposer

Sun -> algae -> krill -> penguin -> seal - > decomposer

Sun -> grass -> grasshoper -> mouse -> snake- > hawk -> decomposer

The answer is the letter D. Cerebellum- responsible for fine muscle control.

*Cerebellum is responsible for maintaining balance and posture.

Solution:

The genotype is the collection of genes of an individual, that is, it is the genetic information that a particular organism possesses. This means that in a broad sense, the term genotype refers to the genetic makeup of an organism.

We can conclude that the correct answer is:

C) Genotype

It is true that, Despite the fact that the complexity of animal nervous systems varies, their nerve cells are still remarkably similar.

Nearly all multicellular animals have nerve systems, but their complexity varies greatly. Sponge and the tiny blob-like placozoan and mesozoan organisms are the only multicellular animals without a nervous system. A diffuse nerve net makes up the nervous systems of ctenophores (comb jellies) and cnidarians (such as anemones, hydras, corals, and jellyfish). With the exception of echinoderms and a few worm species, all other animals have a nervous system that includes a brain, a central cord (or two parallel cords), and nerves that radiate from the brain and central cord.

The nervous system's most fundamental roles are to direct an organism's movement and to influence its surroundings (such as through pheromones). Signals are sent from one cell to another or from one part of the body to another to accomplish this. Signals that travel to muscle cells trigger the activation of muscles and signals that travel to endocrine cells triggers the release of hormones into the bloodstream or other internal fluids are the sources of the output that the nervous system produces.

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In the previous exercise we spotted that in the sequences there were at least four changes in the aminoacidic sequences:

1. Valine changed for Isoleucine: as indicated by the very exercise, there wouldn't be a negative effect, because both amino acids have hydrophobic radical groups.

2. Valine changed for Alanine: like in the previous case, there wouldn't be a negative effect, because both amino acids have hydrophobic radical groups.

3. Glutamate changed for Alanine: there would be a change in the protein structure because Glutamate can form hydrogen bonds, and Alanine doesn't.

4. Glutamate changed for Aspartate: there wouldn't be a change in the protein structure because both amino acids can form hydrogen bonds.

Salinity is the measure of how much salt has been dissolved in a body of water. It significantly affects conductivity and has an impact on a variety of chemical properties of natural waters, as well as the biological processes that occur there.

Lake describes the Dead Sea. The Salt Sea is another name for it. With a salinity of 33.7%, the Dead Sea is the saltiest body of water on earth.

Either grams of salt per kilogram of water or parts per thousand are used to express salinity. For instance, your salinity is 1g/kg, or 1 ppt (ppt, or ), if you have 1 gram of salt and 1,000 grams of water. Salt content in freshwater is typically less than 0.5 ppt.

The Atlantic Ocean is the saltiest of the five ocean basins. Near the equator and at both poles, salinity generally decreases noticeably, though for various reasons. The tropics, which are close to the equator, consistently get the most rain.

The answer is Atlantic ocean

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Freshwater wetlands are ecosystem affected by inundation (permanently or temporary). The three major types are swamps (uncultivated low-lying ground where water collects), marshes (low-lying and waterlogged land, flooded in wet seasons or at high tide) and bogs (wet muddy ground that's too soft to support a heavy body).

Phosphorus is very important for life because it makes up important structures in animals, supporting and allowing life.

In the biogeochemical cycle, during the immobilization process, inorganic phosphorus is converted into organic phosphorus and can be absorbed by living cells in the soil.

Therefore, the name of the process that converts inorganic phosphorus into organic phosphorus is immobilization.

The correct answer is B. sugar molecules are broken down to produce ATP. In cellular respiration sugars are broken down. During the process, they release energy that allows the cell to produce ATP.

In this case, we have the major groups of plants, many characters have defined the appearance of each group however there are some traits that are too important and those are mentioned here.

In the base is algae, when the retention of the Zygote occurs plants started to evolve when plants started to evolve in earth bryophyte came to be, however they do not possess a proper vascular system, this occurred with pteridophytes (ferns and so forth), nonetheless still produced spores, angiosperms reduced gametes and pollen came as innovation, however, they produced strobili, so the innovation of angiosperms were flowers.

The body need iron because it is a major component of hemoglobin, an important cell for the organisms that carries oxygen from the lungs to all the parts of the body, without iron the number of hemoglobin is not enough to transport oxygen and the organism can be lead to fatigue. Therefore, the correct alternative is B. forms part of hemoglobin.

The true statement regarding the relationship between cells and organism is that cells make up the basic structure of an organism, and they perform basic life functions for the organism (option A).

A cell is the basic unit of a living organism, consisting of a quantity of protoplasm surrounded by a cell membrane, which is able to synthesize proteins and replicate itself.

A cell is the basic unit of every living organisms meaning that a performs the basic function of living organisms. For example, the photosynthetic ability of a cell is a function of the chloroplast in the cell.

According to the cell theory proposed in the 1890's, which is the scientific theory that all living organisms are made of cells as the smallest functional unit, the cell is the basic functional and structural unit of living things.

Therefore, it can be said that a cell is the basic functional unit of the cell.

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Answer:

the answer is option a

hope this helps

Blood sugar would be lower than normal if the liver continually converted sugars into carbohydrates regardless of the amount of insulin circulating in the blood is a true statement.

What is insulin?

This is referred to as a type of hormone which is secreted by the organ known as pancreas and is responsible for the regulation of glucose content in the blood of an individual.

In a scenario where sugar is converted into carbohydrates regardless of insulin content then there will be a lower amount present in the blood which is why true was chosen as the correct choice.

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The key difference  is that aerobic respiration requires oxygen, and anaerobic respiration does not.

Aerobic respiration in a cell is when glucose breaks down with help of oxygen and yields carbon dioxide, water, and with the release of energy. Thus end products are [tex]CO_2}[/tex] and [tex]H_{2}O[/tex] .The process of releasing energy takes a much longer time. Example it occurs in plants and animals.

Anaerobic respiration  in a cell, is the process of breaking down  glucose without the use of oxygen then it yields to the end products  [tex]CO_{2}[/tex] (carbon dioxide), alcohol and energy. It is a fast process. Example human muscle cells, and bacteria.

The equation for aerobic cellular respiration
[tex]C_{6} H_{12} O_{6} + 6O_{2}[/tex] ⇒ [tex]6CO_{2} + 6H_{2}O[/tex] + ATP(energy)
Glucose   + oxygen ⇒ carbon dioxide + water +energy.

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Cilia and flagella are structures present in the cells that can be used for movement in aqueous media, such as in the case of spermatozoa (flagellum) and Paramecium (cilia).

This means B, they move cells through watery environments, is the right answer.

Answer: A

Explanation:

!!!!

Light-dependent reactions produce ATP and NADPH that are used during light-independent reactions. Chloroplasts could not carry out photosynthesis to produce sugars because no ATP or NADPH would be available to carry out the Calvin cycle.

Photosynthesis is the process through which plants take solar energy to produce organic compounds. Two alternating and closely related stages are involved in this process.

During this stage, chlorophyll molecules absorb luminous energy from the sun and turn it into chemical energy.

This event takes place in the thylakoidal membrane where the electron transporter chain is located.

The final result is the production of ATP and NADPH and oxygen release from water molecules.

This stage is known as the Calvin cycle and occurs in the chloroplast stroma.

CO₂ enters the leaves and fixates, producing organic compounds like carbohydrates.

The whole cycle is possible because it uses ATP and NADPH produced during light-dependent reactions.

According to this information, chloroplasts could not carry out photosynthesis to produce sugars because, in the absence of light-dependent reactions, solar energy could not be absorbed, and chemical energy needed for the Calvin cycle would not be produced.

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The individual with the lowest risk of getting cancer is someone getting a heart bypass surgery. Even though surgeries have riks, cancer is not one of them, and the rest of the conditions (HPV, hormone therapy and smoking) are fact

Answer:

T-C-A-G-A-C-G

Explanation:

Answer:

The human body wants blood glucose (blood sugar) maintained in a very narrow range. Insulin and glucagon are the hormones which make this happen. Both insulin and glucagon are secreted from the pancreas, and thus are referred to as pancreatic endocrine hormones. The picture on the left shows the intimate relationship both insulin and glucagon have to each other. Note that the pancreas serves as the central player in this scheme. It is the production of insulin and glucagon by the pancreas which ultimately determines if a patient has diabetes, hypoglycemia, or some other sugar problem.

Answer:

hallogens

Explanation:

b/c alkali and alkaline eearth metals both are group 1 and 2 hallogens group 7 and noble gases group 8 .

The trait of interest is "coat pattern"

There are two observable phenotypes for this trait:

- Spotted coat

-Black coat

This trait is coded by two alleles:

A → code for a spotted coat

a → code for a black coat

Farah is a leopard with the phenotype "spotted coat" and its genotype is AA.

The genotype of this individual has two identical alleles. Genotypes with two identical alleles are called homozygous.

The endomembrane system encompasses the organelles that mediate the importa, export of molecules, that is, the transport of molecules from the environment to the cytoplasm and from the cytoplasm to the environment, respectively. The organelles that participate in such activities are the endoplasmic reticulum, the golgi apparatus, vacuoles and the cell membrane. Mithocondria's main purpose is energy production through oxidation of the carbohydrates/lipids we consume, thus, it is not related to molecule transport, and it can not be part of the endomembrane system.

The observation which best supports the claim that Elysia chlorotica is capable of photosynthesis is number 4. The ability to photosynthesize doesn't mean it won't be able to eat other food sources when abailable, but that it will be able to survive and grow in abscense of food sources if it is exposed to light, as light is necessary to obtain the energy for the process of photosyntesis.

Living in rural environments can be difficult due to the distance from the major centers and amenities of urbanization, since the way in which the human pecies has adapted to live in a community is direct linked to technologies that are sometimes nor available in a rural region. The lack of diversity of functions can also become a hindrance, since the rural region have agricultural activities or related to agriculture as the marjor, or in some cases the only, possibility of branch of work.

To the environmental the increase in people living in a rural region is the increased comsumption and exploitation of local natural resources, as well as the urban expansion for housing construction and other infrastructures. The population growth in the region can inevitably leads to climate changes and modifications in the fauna and flora.