Fatty acids are cleaved from the glycerol backbone during digestion to yield free fatty acids in a process called

The seed offers the embryo protection, nourishment, and a mechanism to maintain dormancy for tens or even thousands of years, ensuring germination can occur when growth conditions are optimal. Seeds therefore allow plants to disperse the next generation through both space and time.

Answer:

Facilitated transport proteins

Explanation:

Large molecules such as glucose or carbohydrates use proteins to help break down cell membranes. Some membrane proteins with chains of carbohydrates are attached to help cells become acquainted with certain molecules.

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The drainage pattern one is expected to see in the limestone is trellis. The correct option is C.

Trellis drainage patterns form when sedimentary rocks like limestone are rolled up or slanted and then stripped away to varying degrees depending on their strength.

The Rocky Mountains of British Columbia and Alberta are prime examples of this, with trellis patterns found in many of the drainage systems.

Thus, the correct option is C.

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The missing options of the question are:

Answer:

food availability, water, and space

Explanation:

hope this helps have a good rest of your night :) ❤

Answer:

Bread is a carbohydrate.

Digestion of carbohydrates begin from the mouth.

As the bread is eaten and it is been chewed, the salivary amylase act on it.

This is also called mastication which is the breaking down of large pieces of bread into smaller pieces.

The salivary amylase break the monomeric bond between the dissacharides and starches by breaking amylose and amylopectin into smaller glucose.

When it's get to the stomach there is no further breaking down in the stomach because amylase do not get to the stomach because of stomach acidity. The strong peristaltic contraction of the stomach make it to form uniform chyme.

When the chyme entered the small intestine, the pancrease releases the pancreatic juice which contain amylase that breakdown dextrins into shorter carbohydrates. Additional enzymes are released which break maltose into two glucose and this enzyme is called maltase.

Sucrase breakdown sucrose into glucose and galactose.

There are cells in the small intestines which contain membranes that have protein transport which get monosaccharides and other nutrients to be absorbed in the blood.

The liver receive glucose, fructose and galactose and store them which is later use by the cells.

Explanation:

Digestion is the breakdown of large complex food into smaller pieces which can be easily absorbed by the body.

The goal of carbohydrates digestion is to breakdown complex carbohydrates and dissacharides into monosaccharide that can be absorbed into the body.

Photosynthesis is a complex process that can be summarized in two key steps: the light-dependent reactions and the light-independent reactions (also known as the Calvin cycle).

In the light-dependent reactions, light energy is converted into chemical energy in the form of ATP and NADPH. In the light-independent reactions, ATP and NADPH are used to convert carbon dioxide into glucose.

During the light-dependent reactions, light energy is absorbed by chlorophyll and other pigments in the chloroplasts of plant cells. This energy is used to split water molecules, releasing oxygen as a byproduct.

The energy from the absorbed light is then used to convert ADP (adenosine diphosphate) into ATP (adenosine triphosphate) and NADP+ (nicotinamide adenine dinucleotide phosphate) into NADPH. These energy-rich molecules, ATP and NADPH, are essential for the next step.

In the light-independent reactions, also known as the Calvin cycle, carbon dioxide enters the chloroplasts and combines with a five-carbon compound called RuBP (ribulose-1,5-bisphosphate). This process is facilitated by the enzyme RuBisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase).

The resulting unstable six-carbon molecule quickly breaks down into two molecules of a three-carbon compound called PGA (phosphoglycerate). ATP and NADPH from the light-dependent reactions provide the energy and reducing power to convert PGA into PGAL(phosphoglyceraldehyde) through a series of enzymatic steps. Some PGAL molecules are then used to regenerate RuBP, while others combine to form glucose and other organic compounds.

Overall, photosynthesis is a remarkable process where plants capture light energy and convert it into chemical energy in the form of glucose, which serves as a fundamental energy source for both plants and other organisms in the food chain.

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Processes that provide perpetuation of parental traits and genetic variation among offspring are Independent assortment of chromosomes, Crossing over, and random fertilization.

Heritable information DNA is the key idea of continuity of generation along with variation in progeny. Independent assortment is Mendel's law states that alleles of two different genes get sorted into gametes independently of one another. In this process where the chromosomes move randomly to separate poles during meiosis.

Crossing over is the exchange of genetic material between two non-sister chromatids of homologous chromosomes resulting in new allelic combinations. It increases the variability of the population and prevents the accumulation of deleterious combinations of alleles, while also allowing some parental combinations to be passed onto offspring.

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The required options for a species to be classified as a keystone species are species strongly influences its community/ecosystem as a function of their niche and The species' effect on their community and ecosystem is disproportionate to their population size or total biomass.(B,D)

Keystone species have a significant impact on the structure of their community/ecosystem due to their niche, and their effect is disproportionate to their population size or total biomass. Unlike ecosystem engineers, keystone species do not necessarily physically alter their environment.

In the case of cougars, their role as a predator kept deer populations in check, which in turn controlled the growth of certain tree species and provided habitat for woodpeckers.

After cougars were hunted to local extinction, deer populations exploded and caused a ripple effect on the ecosystem, leading to the growth of red maples and the decline of woodpecker populations. This illustrates the important role that keystone species play in maintaining the balance and health of an ecosystem.(B,D)

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Explanation:

Number the steps to carry out an investigation:

These are the number of steps to carry out an investigation:

An investigation is defined as a thorough discovery of facts, which are hidden or need to be resolved in a complex situation. The goal of an investigation is to determine how or why something happened. Investigation is usually formal and official.

It is the collection of facts to accomplish a three-fold aim to:

1. Identify the suspect

2 .Locate the suspect

3. Provide evidence of his guilt

Investigation involves the six steps. These are:

Thus, these are the number of steps to carry out an investigation:

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Answer:

Explanation:e

The statement that best explains vesicular transport of h h in motor neurons is "the concentration gradient favors vesicular h h returning to the cytoplasm, whereas electrostatic attraction favors h h entering the vesicle."

This is because there is a higher concentration of h h in the cytoplasm compared to the vesicle, so the concentration gradient drives h h back into the cytoplasm. However, there is also an electrostatic attraction between h h and the negatively charged vesicle membrane, which favors h h entering the vesicle. These two forces work in opposition, with the concentration gradient pushing h h out of the vesicle and electrostatic attraction pulling it in. Ultimately, the balance between these forces determines whether h h enters or exits the vesicle during vesicular transport in motor neurons.

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Answer:

Spirochete, fungi, and protozoa

(not sure if this helped)

Answer:

Many diverse microbes live together in close association in the rumen.

Cellulose degrader.

Spirochete in Cow Rumen.

Methane Producer. This bacterium produces methane, a flammable gas, in a the rumen.

Entodinium dividing. Protists thrive inside the rumen.

Hairy Rumen Protist with bacteria.

Ophryoscolex.

Fungal zoospores on hay.

Explanation:

Within the chloroplast, the gelatinous fluid containing DNA, ribosomes, and enzymes is called the Stroma.

Cell organelles refers to membrane-bound structures which are found within the cell and perform specific functions within the cell.

There are different cells organelles which are found within each cells.

The cell organelles most prominent in a cell depends on the specialized function of the cell.

The chloroplast is a cell organelle found in plants whose function is that it contains the pigment chlorophyll which is involved in photosynthesis.

The stroma is a gelatinous fluid found within the chloroplast which contains DNA, ribosomes, and enzymes.

In conclusion, the chloroplast is a cell organelle in plants.

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The increase in the population of whales and a decrease in the population of plankton would lead to a decrease in the population of small fish since whales would need to find an alternative source of food to replace the missing plankton.

Small creatures known as plankton float in water and can either resemble plants (phytoplankton) or animals (zooplankton). They provide as significant sources of food for a variety of aquatic creatures, including whales. Some types of plankton also contribute significantly to the global carbon cycle and produce oxygen.

Therefore, the correct option is A.

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If the two continents, namely Africa and North America, had not collided, the climate of the east coast of North America would be vastly different. The collision of these two landmasses gave birth to the Appalachian Mountains, which run parallel to the east coast of North America, stretching from Alabama to Canada.

The collision also gave rise to other topographical features such as the rocky coasts of Maine, the coastal lowlands of Georgia, and the St. Lawrence River valley. The Appalachian Mountains have a profound impact on the climate of the eastern region of North America.

They act as a barrier that influences weather patterns in the region. In the summer, they prevent hot and humid air from the Midwest from entering the east coast, while in the winter, they block the cold polar air masses from entering the area.

As a result, the climate of the east coast of North America is milder, with four distinct seasons, unlike the continental climate of the Midwest or the Mediterranean climate of the west coast. The absence of the Appalachian Mountains would have resulted in an entirely different climate for the east coast of North America.

Without the barrier, the climate of the region would have been more extreme, with hot summers and cold winters, similar to the climate of the Midwest. There would have been a higher incidence of weather-related disasters such as tornadoes, hailstorms, thunderstorms, and floods. Moreover, the absence of the Appalachian Mountains would have resulted in a much different landscape and topography. The region would have been relatively flat with low-lying land that was prone to flooding.

In conclusion, the collision of Africa and North America was a significant geological event that had a lasting impact on the climate, topography, and weather patterns of the east coast of North America.

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Answer: dna

Explanation:

all living things have dna. apples are living because it can reproduce

Answer:

carries instructions to make proteins to make DNA plz mark me as brainliest :)

Explanation:

Answer:

All of them are correct

Explanation:

Becuase the mom have freckles and the dad does not so the kid has a 50/50 chance of having freckles

the genotype chart would give you these four combinations so all of these awnsers will be correct

Lampreys, sharks, snakes, turtles, and cats all have jaws, while hagfish lack them. The correct option is D).

Jaws are specialized bony structures that are found in the mouth of most vertebrates. They are essential for biting and tearing food, which is then processed in the digestive system.

While hagfishes are also vertebrates, they are classified as jawless fish. Instead of jaws, they have a round, muscular mouth that they use to suck in food. This adaptation is more primitive than having jaws, and it is thought that hagfishes diverged from other vertebrates earlier in evolutionary history.

Overall, the presence or absence of jaws is an important distinguishing feature among vertebrates, and it reflects the adaptations that these animals have evolved to survive in their respective environments.

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Answer:

A

Explanation:

The cell would likely not have fewer chromosomes than the parent because those cells are formed from nondisjunction and not base mutations and those cells are usually not viable

the cell would not produce more proofreading proteins to eliminate future mutations --> the concentration of proofreading proteins does not change in response to a singular mutation

the cell would not be more likely to have an environmental mutation because those occur at random

Answer:

Explanation: option 1 . adds CO2 to the earth's atmosphere is the correct answer.

since fossil fules are rich in carbon dioxide wich is a green house gas .

effects the atmosphere and causes global warming.

Explanation: hopes it helps

Living organisms often contain trace amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus

Answer:

Carbon , hydrogen, oxygen , nitrogen , phosphorus, and sulfur

Explanation:

got right on edge.

Answer: https://rb.gy/rb1nlh copy that into search browser

Explanation:

Answer:

Eukaryotic cells contain many membrane-enclosed, large, complex organelles in the cytoplasm whereas prokaryotic cells do not contain these membrane-bound organelles. ... Only eukaryotes possess a membrane-bound nucleus and membrane-bound organelles such as the mitochondria, golgi apparatus, lysosomes, peroxisomes and ER.

The role of calcium in muscle contractions is to bind with troponin, changing its shape so that binding sites on the actin filament are exposed.

Thus, the correct answer is to bind with troponin, changing its shape so that binding sites on the actin filament are exposed (D).

When a muscle is stimulated to contract, an action potential moves along the neuron, causing the release of acetylcholine at the neuromuscular junction (NMJ). Acetylcholine binds to nicotinic acetylcholine receptors, triggering the muscle cell's depolarization.

Calcium ions play a crucial role in muscle contraction. When acetylcholine is released, calcium channels in the sarcoplasmic reticulum (SR) open, allowing calcium to enter the muscle cell. Calcium ions bind to troponin, which is attached to the thin actin filaments, causing a conformational change that exposes binding sites on the actin filament.

The binding sites on the actin filament allow myosin to attach, forming a cross-bridge between actin and myosin. This initiates the contraction cycle and causes the muscle to contract.

Your options aren't well arranged, but most probably your options were

A. to transmit the action potential across the neuromuscular junction

B. to spread the action potential through the t-tubules

C. to re-establish the polarization of the plasma's membrane following an action potential

D. to break the cross-bridges as a cofactor in the hydrolysis of ATP

E. to bind with troponin, changing its shape so that binding sites on the actin filament are exposed

Thus, the correct option is E.

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Sandy beaches do not effectively absorb water.

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Answer: Parking lot

Explanation:

Crossed-extensor reflex prevents you from falling when you suddenly lift one foot off the ground in response to pain.

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Answer:

Without nitrogen-fixing bacteria, nitrogen would not be replenished.

Explanation:

The nitrogen cycle is critical because all living things need nitrogen. Atmospheric nitrogen cannot be used by most organisms and must be converted into a usable form. This is why we need microorganisms (nitrogen-fixing bacteria) to do this task. Atmospheric nitrogen (N2) is converted into usable ammonia (NH3) and to nitrates and nitrites (NO3 & NO2). Other bacteria convert these back to N2. These are all important to keep nitrogen cycling.

It is becoming clear that denitrifying fungi, nitrifying archaea, anammox bacteria, aerobic denitrifying bacteria, and heterotrophic nitrifying microorganisms are key players in the nitrogen cycle.

In the nitrogen fixation process, nitrogen-fixing bacteria convert the N2

in the atmosphere into NH3 (ammonia). This bacteria binds hydrogen molecules with the gaseous nitrogen to form ammonia in the soil.

During assimilation, or when plants take up nitrates from the soil, bacteria aid in the process with the plants making ammonia. Animal waste is also a major place where bacteria thrive and produce ammonia. The process in which assimilation occurs in plants, and then bacteria convert the nitrates to ammonia is called ammonification.

From the conversion of ammonia to nitrites, bacteria also aid in this process called nitrification. The nitrifying bacteria mostly present in soils, oxidize ammonia into nitrites, and from nitrites to nitrates.

Finally, the process of denitrification also has bacteria present to aid in converting nitrates back into a gaseous form of nitrogen in the atmosphere.

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