2. What does ectothermic mean?​

Protein entry into the ER lumen is facilitated by signal sequences present in the proteins whereas transmembrane protein integration into the ER membrane requires transmembrane domains.

Protein entry into the ER lumen (or insertion into the ER membrane) and integration of transmembrane proteins into the ER membrane differ in their mechanism. The following is a description of the differences between these two mechanisms.

Protein entry into the ER lumen is facilitated by signal sequences present in the proteins. Signal sequences, or signal peptides, are short stretches of amino acids located at the N-terminal end of proteins that are destined for the ER lumen or secreted outside the cell. Signal sequences interact with signal recognition particles (SRP), which then transport the protein to the ER membrane. Afterward, the SRP binds to the SRP receptor, and the protein is translocated into the ER lumen. The nascent protein is then translated, modified, and folded in the ER lumen.In contrast to protein entry into the ER lumen, transmembrane protein integration into the ER membrane requires transmembrane domains.

Transmembrane domains are composed of hydrophobic amino acids that cross the hydrophobic lipid bilayer of the membrane. Transmembrane proteins are inserted into the ER membrane through two mechanisms: The first mechanism is the signal anchor sequence, where a stop-transfer anchor sequence retains the protein in the membrane. The second mechanism is the signal peptide cleavage, where signal peptides in the protein cleave after they enter the ER lumen, and the transmembrane domain remains in the membrane. The protein is then translated and folded in the membrane.

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Answer:

Explanation:

Cholesterol and saturated fats

Cholesterol is a fatty substance that's mostly made by the body in the liver.

It's carried in the blood as:

low-density lipoprotein (LDL)

high-density lipoprotein (HDL)

Eating too much saturated fats in your diet can raise "bad" LDL cholesterol in your blood, which can increase the risk of heart disease and stroke.

"Good" HDL cholesterol has a positive effect by taking cholesterol from parts of the body where there's too much of it to the liver, where it's disposed of.

The inefficiency of energy transfer from one trophic level to the next is an important factor in the dynamics of ecological systems and can influence density-dependent limiting factors.

As energy moves up the trophic levels, from producers to herbivores to carnivores, there is a loss of energy at each step due to metabolic processes such as respiration, digestion, and heat loss. This loss of energy limits the amount of biomass that can be supported at each successive trophic level.

Because of this inefficiency, the amount of available energy and resources in an ecosystem can become limiting factors for populations at higher trophic levels.

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Answer:

An unconformity happens when rocks do not follow normal geologic rules.

A geologic gap happens when rock is eroded before the sediment is deposited.

Explanation:

yes and no thanks for the time

Answer:

Heredity

Explanation:

i have no idea

GL

Answer:yes it's Heredity

Explanation:

The occipital lobe in the left hemisphere of the brain receives visual information from the  

b. right side of the visual field of both eyes.

This phenomenon is known as contralateral processing, where the left hemisphere receives information from the right side of the body and vice versa. The right visual field is processed by the left occipital lobe, while the left visual field is processed by the right occipital lobe. This is because visual information from each eye is transmitted to both hemispheres of the brain, with each hemisphere processing information from the opposite visual field. The occipital lobe is responsible for processing visual information, such as recognizing shapes, colors, and objects, and creating a coherent visual perception of the environment. Therefore, the left occipital lobe plays a crucial role in the processing of visual information from the right visual field.

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Answer:

Wind.

Rain.

Humidity.

Latitude.

Temperature.

Elevation.

Soil composition.

Explanation:

Answer:

Wind.

Rain.

Humidity.

Latitude.

Temperature.

Salinity

Elevation

pollution

Radiation

Abiotic factors make up much of the variation seen between different ecosystems. By determining the availability of essential resources such as sunlight, water, oxygen, and minerals, abiotic factors influence which organisms can survive in a given place.

Answer:

B. They evolved from fish

Explanation:

most land dinos couldn't de-evolve into fish so They didn't migrate gradually from land and all Aquatic dinosaurs became extinct

The best drug combination for malaria with the criteria that side effects have to be none to mild, drug resistance has to be under 20%, and malaria population has to decrease is the combination of artemether-lumefantrine (AL) and piperaquine-dihydroartemisinin (PQ-DHA).

Malaria is an infectious disease caused by a protozoan parasite. Artemether-lumefantrine (AL) and piperaquine-dihydroartemisinin (PQ-DHA) are two antimalarial medications that work by killing the malaria parasite in the body. They are also effective against drug-resistant malaria strains and have been shown to have minimal side effects.AL and PQ-DHA are included in combination treatments for malaria.

The benefits of using these drugs together include better efficacy, fewer side effects, and less likelihood of drug resistance. They work together to ensure that the malaria parasite is destroyed effectively.According to clinical studies, the combination of AL and PQ-DHA has been shown to reduce the number of malaria infections and have less than 20% drug resistance. Additionally, these medications have minimal side effects, such as headache, dizziness, and vomiting.

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Answer:

Its C. W and Z

Explanation:

I just took the test

The combination of atoms will form a molecule, but not a compound are W and Z. Therefore, option C is correct.

The term compound is defined as when two or more substance or element are joined together. Compound is a mixture of two different element. Compounds are formed by two or more than two element combined by chemically in same ratio.

Molecules are formed by two or more than two atom are combined. When same elements combined to formed molecule.

The combination of same atom is called as molecule whereas combination of two different atoms are called as compound.

Two same element formed molecule while two different element formed compound. The oxygen molecule contains two atoms of the same element i.e., oxygen. Therefore, oxygen is a molecule but not a compound.

Thus, option C is correct.

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Answer:

Complete smaller studies over a longer period.

Explanation:

Insread of giving up, it's best to cut the experiment and do some study at a time. You can save Money

Answer:

The new boss take the right decision.

Explanation:

The new boss sent Martha to the farm for the financial deal and strategy for the farm is the right choice because Martha is a specialist in agricultural logistics which has good management skill that is required by the task in the farm. Samuel is not a good choice for sending him to the farm because he works in agricultural quality control which is different from the job of Martha.

Answer:

The vacuoles is like the cabinets in the school used to store items. where we release all of our energy. Cytoplasm is like the hallways of the school.

B) Kelp forests that provided shelter for other species were depleted by the sea urchins.

Sea urchins reside on the seafloor wherein they forage on macroalgae, together with large kelp. If their populations are left unchecked by predation, they are able to decimate kelp forests and prevent kelp from developing. that may rework a thriving network of kelp into an oceanic desert, referred to as an urchin barren.

Sea urchins will often completely eliminate kelp plant life by means of ingesting it through their holdfasts. Other invertebrates determined in kelp forests are sea stars, anemones, crabs, and jellyfish.

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The majority of ATP molecules are produced during the stage of cellular respiration called oxidative phosphorylation, also known as the electron transport chain.

During the electron transport chain, high-energy electrons generated by the previous stages of cellular respiration are passed through a series of electron carriers, ultimately to oxygen. As electrons move through the electron transport chain, energy is released and used to pump protons (H+) from the mitochondrial matrix to the intermembrane space. This creates an electrochemical gradient, with a high concentration of H+ in the intermembrane space and a low concentration in the matrix.

The H+ ions then diffuse back into the matrix through ATP synthase channels, driving the phosphorylation of ADP to form ATP. This process is called chemiosmosis and is responsible for producing the majority of the ATP molecules in cellular respiration.

In contrast, glycolysis only produces a small amount of ATP through substrate-level phosphorylation, and the citric acid cycle produces a small amount of ATP through substrate-level phosphorylation and electron transfer to NAD+ and FAD. Pyruvate oxidation produces a small amount of ATP through substrate-level phosphorylation and electron transfer to NAD+. However, these stages generate electrons and other molecules that are essential for the electron transport chain to produce ATP.

Answer:

The endocrine system, made up of all the body's different hormones, regulates all biological processes in the body from conception through adulthood and into old age

Explanation:

Function: Makes Hormones for Mood, Development, and Growth. Many different vital hormones are created and controlled within the endocrine system. ...

Sends Hormones into Your Bloodstream. ...

Regulates the Release of Hormones.

Brainliest? ty and if not its ok :)

Answer:

RR, Rw, Rw, ww

Explanation:

Rw

R

w

RR, Rw, Rw, ww

The phenotypes would be 1 Red, 2 Roan, and 1 white, assuming the colors of roan are white and red and red is dominant white is recessive, hope that helps!

Selection that Best supports the article is, No. "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months." Option c is correct.

The article does not suggest that vaping is an effective way to stop smoking cigarettes. In fact, the selection that best supports this answer is "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months."

This statement suggests that vaping may actually lead to cigarette smoking, which is not a desirable outcome. The article also highlights concerns about the harmful substances found in vaping products, including nicotine, lead, and cancer-causing chemicals. Overall, the article presents vaping as a concerning trend among teenagers that warrants further investigation and education about the potential risks and harmful effects. Option c is correct.

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Answer:What are the key functions of a business?

Five Functions of business Organization

Organizing Function: One of the main functions of a business is organizing function. Man, machine, materials, and money are essential factors for any business. ...

2 . Financing Function: ...

3 . Production Function: ...

5 . Employment Function:

Explanation:

Habitat 1: Forest

Species observed:

Eastern gray squirrel (Sciurus carolinensis)

White-tailed deer (Odocoileus virginianus)

Red-tailed hawk (Buteo jamaicensis)

Genetic variation observed:

The Eastern gray squirrels had variation in their fur color, with some individuals having darker or lighter shades of gray.

The White-tailed deer had variation in their antler size and shape, with some individuals having larger or more branched antlers than others.

The Red-tailed hawk had variation in their feather coloration, with some individuals having darker or lighter shades of red on their tails.

Negative impacts on the habitat:

Deforestation and habitat loss due to human activities such as logging and urban development can negatively impact the forest habitat of these species.

Pollution, including air and water pollution, can also negatively impact the health of the forest ecosystem and the species that depend on it.

Habitat 2: Coral reef

Species observed:

Clownfish (Amphiprioninae)

Blue tang (Paracanthurus hepatus)

Green sea turtle (Chelonia mydas)

Genetic variation observed:

The Clownfish had variation in their coloration, with some individuals having brighter or darker stripes than others.

The Blue tang had variation in their fin shape, with some individuals having longer or more pointed fins than others.

The Green sea turtle had variation in their shell pattern, with some individuals having more or fewer scutes (the bony plates that make up their shell).

Negative impacts on the habitat:

Climate change and ocean acidification can negatively impact the health of coral reefs, which in turn can affect the species that depend on them.

Overfishing and destructive fishing practices can also damage coral reefs and reduce the populations of fish and other species that depend on them.

Answer:

Climate change is a BIG problem thats why we need to store and preserve seeds with these EXTREME weather conditions .

Explanation:

unless u want to look at dirt

The cardiovascular system is sometimes called the blood-vascular, or simply the circulatory, system. It consists of the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and capillaries.

The system that contains the heart and the blood vessels and moves blood throughout the body. This system helps tissues get enough oxygen and nutrients, and it helps them get rid of waste products. The lymph system, which connects with the blood system, is often considered part of the circulatory system.

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The shape of the active site in a given enzyme is determined by the amino acid residues of the protein and the interaction between such amino acids and also molecules in the physiological conditions of the surrounding media.

The active site in a given enzyme protein is the molecular domain in the enzyme that binds to the substrate in a chemical reaction in order to form the enzyme-substrate complex that will be converted into products. The shape of the active site in the protein enzyme also depends on the amino acids in the domain that binds to the substrate and also to the molecular interactions.

Therefore, with this data, we can see that the active site in a given enzyme protein is dependent on the amino acids in the protein and their interactions.

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Answer:

The correct option is b. "IEC Na+/glucose symporters are found only in the plasma membrane (PM) facing the basal extracellular fluid"

Explanation:

The glucose in the intestine is a product of digestion and needs to be absorbed into the blood so it can be transported to where needed. Glucose moves out of the IEC with the combined action of sodium ions. The sodium-glucose symporter opens and allows for this pair to move out only when one of each is attached to the symporter. The movement of glucose is regulated in this way.

Answer:

because it requires very rare conditions (extreme heat and lots of energy)

Explanation:

Temperatures of approximately 150,000,000 °C (around the temp. of the sun) are required for fusion to occur on Earth therefore it is very difficult to achieve. It mostly happens in stars.

Answer: If the formed nucleus of a fusion reaction has a larger binding energy than the reactants then the reaction is exothermic. Nuclear fusion is very hard to achieve. This is because it requires very rare conditions before it can proceed. Just about all natural nuclear fusion occurs in stars.

Answer:

it's binary fission

because --The cell division process of prokaryotes, called binary fission, is a less complicated and much quicker process than cell division in eukaryotes. ... The single, circular DNA chromosome of bacteria is not enclosed in a nucleus, but instead occupies a specific location, the nucleoid, within the cell.