How does cell volume affect nutrient exchange between the cell and its external environment?

a. ​Cells with a large volume and small surface area are well-adapted for nutrient
exchange.
b. ​Very large cells are the best adapted for nutrient exchange.
c. ​The ratio of cell volume to surface area determines the efficiency of nutrient
exchange.
d. ​Very small cells are the best adapted for nutrient exchange.
e. ​Nutrient exchange is not impacted by cell volume.

Energy sources for living things.

Carbohydrates and lipids are both sources of energy for living beings. Carbohydrates are frequently composed of bound glucose molecules that may be broken down by cells to generate energy for usage by the body. Lipids are insoluble in water and can be stored in organisms as fats.

Carbs and lipids may both be used to store energy, although carbohydrates are often utilized for short-term storage while lipids are used for long-term storage. Unlike lipids, carbohydrates are soluble in water. This facilitates the delivery of carbs throughout the body (from and to the store).

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In a case whereby Emmings are small mammals that reproduce quickly. A lemming population often grows so quickly .This example best supports the ideas of option A Malthus Principle of Population.

The Malthusian principle of population, also known as the Malthusian theory of population, was proposed by Thomas Malthus in his 1798 book "An Essay on the Principle of Population."

According to Malthus, population growth is exponential, while the growth of resources is linear. Therefore, if left unchecked, the population will eventually outgrow the available resources, leading to widespread poverty, famine, disease, and ultimately, population decline.

Malthus argued that there are two types of checks that prevent population growth from exceeding available resources: preventive checks, which are actions that people can take to limit population growth, such as postponing marriage or practicing contraception, and positive checks, which are events that limit population growth, such as famine, disease, and war.

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options:

a.Malthus

b.Darwin

The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.

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The abiotic factor that would be most useful for Simon to explain the differences in the communities would be A) the salinity of the water. Salinity refers to the salt concentration in the water, and it can have a significant impact on the types of organisms that can live in the water.

Abiotic factors are the non-living components of an ecosystem, including physical and chemical factors such as temperature, sunlight, water, soil composition, air, and nutrients. These factors can significantly affect the living organisms and communities within an ecosystem.

The ocean bay is likely to have a higher salinity than the river because of its connection to the open ocean. Therefore, the types of organisms that live in the ocean bay may be better adapted to higher salinity levels, while the river may support a different community of organisms that are adapted to lower salinity levels.

The other factors listed (volume of water, rate of evaporation, and sediments) may also impact the communities of living things in the two bodies of water, but salinity is likely to be the most significant factor.

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Answer:

Lipids cannot be considered polymers because, unlike carbohydrates, they are constituted of several units that are different.

Explanation:

Unlike other biomolecules —such as carbohydrates, proteins and nucleic acids— lipids are not considered polymers because the subunits that form them are different, in addition to being made up of a larger molecule, from which they can grow.

Polymers are formed by repeating subunits, having the possibility of forming and growing at either end of their chain. Polymerization is a characteristic shared by carbohydrates, proteins and nucleic acids, but not by lipids.

Lipids are biomolecules of hydrophobic nature formed predominantly by carbon and hydrogen, whose structure can be linear or forming rings. They have biological importance as they are the main component of cell membranes, reserve energy substrate and form molecules such as hormones.

Answer:

stomata

Explanation:

i think the guard cells do control gas exchange and water loss..but these cells are found in the stomata...in the under side of the leaf

Answer:

Stomata

Explanation:

Stomata are tiny openings or pores in plant tissue that allow for gas exchange. Stomata are typically found in plant leaves but can also be found in some stems.

The type of trauma that are indicated are both complex and  chronic traumas.

Trauma can be defined as the serious event that can negatively affect the emotional, physical and mental being of an individual.

From the excerpt given, the two types of trauma represented are:

The nature of the wound indicates that the cause would be of direct force from blows.

The positioning of the perpetrator and the victim according to the order of the trauma is that both of them where involved in a fight.

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Answer:

macromolecules

Explanation:

A single organelle is made up of aggregates of macromolecules.

A macromolecule is a very large molecule important to biophysical processes, such as a protein or nucleic acid. It is composed of thousands of covalently bonded atoms. Many macromolecules are polymers of smaller molecules called monomers.

b.) Macromolecules

A large, organic molecule such as carbohydrates, lipids, proteins, and nucleic acids.

The four main macromolecules are proteins, carbohydrates, nucleic acids and lipids. They are an important part of the cell and perform essential functions. Proteins are required for growth and maintenance, immunity and also act as enzymes, hormones, etc. Carbohydrates are the main energy source.

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Answer:

The fact people don't want to change may be the greastest impact. Humans want answeres quick and easy we are willing to destory the earth for our ways as we have been for 1000ths of years. We never change we evolve but don't change our ways.

Explanation:

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The diagram shows a transform fault and it is a likely result of slippage along this fault? is A. Seismic waves

A likely result of slippage along a transform fault is seismic waves (option A). A transform fault is a type of tectonic plate boundary where two plates slide past each other horizontally. As the plates move, stress builds up along the fault line, and when it exceeds the strength of the rocks, slippage occurs, releasing accumulated energy.

During the slippage, the rocks on either side of the fault quickly move relative to each other. This rapid movement generates seismic waves, which are vibrations that propagate through the Earth's crust. These seismic waves travel outward from the fault in all directions, causing ground shaking and vibrations.

Seismic waves are responsible for earthquakes, and their intensity and magnitude can vary depending on factors such as the amount of slippage, the depth of the fault, and the strength of the rocks involved. The seismic waves can result in ground shaking and can potentially cause damage to buildings, infrastructure, and human lives, depending on their magnitude and proximity to populated areas. Therefore, seismic waves are a likely result of slippage along a transform fault. Therefore, Option A is correct.

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The claim states that the weather on an island will continue to be most like the weather where orangutans live. To evaluate this claim, we need to consider several factors:

Without specific details about the island in question, it is difficult to make a definitive assessment. However, if the island is located within or near the equatorial belt and shares similar climatic conditions with Southeast Asian rainforests, it is more likely to have weather resembling that of orangutan habitats.

It is important to note that climate can vary even within a specific region, so a thorough analysis of the island's climatic data would be necessary to make an accurate comparison. Additionally, factors such as changes in global climate patterns over time may also impact the accuracy of this claim.

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lipids

Option D is correct

Sex hormones are proteins that are produced by the endocrine system. Option B is correct.

Sex hormones are a group of hormones that regulate sexual development and reproduction. They are produced by the endocrine system, which is a network of glands that secrete hormones into the bloodstream. The main sex hormones in humans are testosterone, estrogen, and progesterone.

Testosterone is produced by the testes in men and the ovaries in women. It is responsible for the development of male secondary sex characteristics, such as facial hair and muscle growth. Estrogen is produced by the ovaries in women and the testes in men. It is responsible for the development of female secondary sex characteristics, such as breast development and body fat distribution. Progesterone is produced by the ovaries in women. It is responsible for preparing the uterus for pregnancy and maintaining pregnancy.

Sex hormones are proteins. Proteins are large molecules that are made up of amino acids. Amino acids are joined together by peptide bonds. The sequence of amino acids in a protein determines its structure and function.

Sex hormones are important for sexual development and reproduction. They also have other effects on the body, such as regulating metabolism and bone density.

The other options are incorrect. Nucleic acids are the molecules that store genetic information. Carbohydrates are the molecules that provide energy for the body. Lipids are the molecules that store energy and insulate the body.

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"The derived shared characteristic 'Terrestrial during all stages' should be placed at the base of the tree diagram."

SupThe characteristic "Terrestrial during all stages" is a shared characteristic among all five species being compared in the branching tree diagram. This means that it is a characteristic that all of these species have in common, and therefore it is likely that it was present in their common ancestor.

Since the base of the tree represents the common ancestor of the species being compared, it makes sense to place this characteristic at the base of the tree. This also helps to show that this characteristic is a defining trait of the group of species being compared and that it has been present in their lineage since their common ancestor.

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Phenols and glycosides are pre-existing defense mechanisms in plants' immune systems. These compounds are part of the plant's chemical defense arsenal and are present in various tissues even before any attack or infection occurs.

Phenols are secondary metabolites found in plants that have antimicrobial and antioxidant properties. They contribute to the plant's defense against pathogens by inhibiting the growth and development of microorganisms. Phenols also play a role in wound healing and lignification, which strengthen the plant's cell walls.

Glycosides are another class of secondary metabolites found in plants that have diverse functions, including defense against herbivores and pathogens. Some glycosides act as toxic compounds when ingested by herbivores, while others can inhibit the growth of microorganisms or interfere with their feeding behavior.

Both phenols and glycosides are produced by plants as part of their constitutive defenses, meaning they are present at baseline levels even in the absence of stress or attack. However, their production can be further induced or enhanced in response to specific stimuli, such as pathogen invasion or herbivore feeding.

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Answer and Explanation:

The brain is composed of three main structures, the cerebrum, cerebellum, and brain stem. The brain sends chemical and electrical signals throughout the body to regulate different biological functions and sense environmental changes. The brain communicates with the majority of the body through the spinal cord.

Answer: C.

Explanation: a northern boreal forest lying on the southern slope of the Brooks Range and Arctic tundra on the north slope. The ANWR has wildlife species common to the Arctic and sub-Arctic

Several conditions make our planet earth unique, to answer this statement we need to understand that.....

There are many planets in the solar system, however, none have a location like planet Earth. Our planet is in a privileged condition, as it is located at a distance from the sun that does not prevent the emergence of elements essential for sustaining life, that is to say, it is not very close, a fact that would raise temperatures, and very far away, when they would be very low, hindering the development of lives.  This factor was decisive for the formation of liquid water on planet Earth, since it is the only one with such a resource in the solar system.

With this information we can come to the conclusion that the statement is correct, the stability of the earth and location in the solar system, provided that the earth could have water in a liquid state.

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Answer:

They do not have teeth. A liplike extension over the mouth helps direct food into the mouth, where the muscular pharynx (throat) grabs it, coats it with saliva and pushes it down the esophagus into the crop, where it is stored before moving on to the gizzard.

Explanation:

They have specialized glands on their body that remove salt from their blood, they "sneeze" out salt.

It is transported across the plasma membrane with the help of  the energy molecules. It is the transport ions and the transport molecules that help to facilitate the  transport.

It is the bi layer of lipids with the association of proteins in it.

ATP that are the energy molecules called as energy currencies as well. It is the molecule of the energy that helps in the transportation of molecules through it. The ATP is broken down into the ADP with the Pi ion and this breakdown gives out the energy libation for the reaction.

Active transport does require the  cellular energy in order to achieve the movement. There are 2 types of  the active transport : primary active transport which uses the  adenosine triphosphate (ATP) and secondary active transport which uses the electro chemical gradient.

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Answer:

Explanation:

I think the answer must be D

The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).

1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).

Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).

Now we can express the ratio between 92 mL and 88.72 mL:

92 mL : 88.72 mL

Simplifying the ratio by dividing both sides by the greatest common divisor, we get:

46 : 44

So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

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Answer:

cellular respiration breaks down sugars and other molecules to use the stored energy

Answer:

antibiotics are useless against viral infections this is because viruses are so simple that they use their host cells to perform their activities for them. so antiviral drugs work differently to antibiotics by interfering with the viral enzymes instead

Since GFR decreases with age , then the average value of GFR will be 90 to 120mL/min/1.73 m2

GFR (Glomerular Filtration Rate) can be said to be  the amount of plasma entering Bowman’s capsule per minute. It is the renal plasma flow × the fraction that enters the renal capsule (19 percent).578*0.19 = 110 mL filtrate/min. Glomerular filtration rate (GFR) is referred to as a blood test that checks to control how well your kidneys are working.

We can deduce from the National Kidney Foundation, normal results range from 90 to 120 mL/min/1.73 m2. Older people will have lower than normal GFR levels, since GFR decreases with age

In other to improve and have a healthy GFR it is important to avoid regular in-take of  processed foods  and choose fresh fruits and vegetables instead. Following a low-salt diet is essential because of it effect on blood pressure.

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Explanation:

RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, during the process of transcription.