Consider the diagram of an internal feedback mechanism that the body uses to help maintain homeostasis.

The internal feedback mechanism is shown. Stimuli goes to the receptor to the coordinator to the effector to the response and then to feedback.

What is the role of the central nervous system in this model?

a) coordinator
b) effector
c) response
d) stimuli

Women tend to reach higher bac levels more quickly than men because they have lower levels of the enzyme alcohol dehydrogenase.

BAC levels refers to the blood alcohol levels.

Women tend to reach higher BAC levels than men.

The enzyme alcohol dehydrogenase is responsible for the metabolism of alcohol.

Women generally have lower levels of the enzyme in their body and thus metabolize alcohol more slowly.

Thus, women reach higher BAC levels than men.

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Answer:

I think Trees because abiotic means stuff that doesn't live so yea
let me know if i am wrong.

Explanation:

The blank space in the task content should be filled with; Ureteroscopy.

The ureteroscopy examination, involves inserting a thin, flexible scope into the patients bladder and ureter (the urine-carrying tube that carries urine from the kidneys to the bladder). This is done in a bid to detect abnormalities such as kidney stones.

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Answer:

chlorophyll

Explanation:

A botanist scrapes pollen off a flower of one plant and then uses it to pollinate the flower of another plant. What can be scientifically concluded about their offspring?

A. They will have a large amount of genetic variation.

B. They will have twice the number of chromosomes as their parents.

C. They will be genetically distinct from their parents.

D. They will be able to reproduce only asexually.

Plants' xenogamous system has high probabilities of introducing genetic variation between plants. Option A) They will have a large amount of genetic variation.

There are two general crossing systems in plants, which depend on pollination type.

Sexual reproduction gives more possibilities to different alleles of a gene that did not appear in one generation to express in the next generation.

Both types of pollination allow genetic variation, however by the occurrence of crossed pollination there are more chances to ensure the variability of the species and survival to environmental changes.

While by self-pollination there are more chances to express the same genotype of the parental plant.

The Xenogamous system has the advantage of avoiding the effects of endogamy in a population by increasing genetic variability.

In the exposed example, the botanist is acting as the pollinator agent, allowing one plant's pollen grain to fertilize the egg of the other plant.

The merging of these gametes will introduce variation since there will new allelic combinations.  

The correct option is A). They will have a large amount of genetic variation.

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Skin colors evolve in humans as an adaptive feature to the amount of solar radiation in a given latitude.

Adaptation is a given phenotypic feature that confers an advantage to the individual in particular environmental conditions.

Apadtations are selected by natural selection, which means that they exhibit differential survival and/or reproduction rates.

In conclusion, skin colors evolve in humans as an adaptive feature to the amount of solar radiation in a given latitude.

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Lobe-finned fishes are characterized by lobes in their fins in addition to the basic characteristics of fishes.

Lobe-finned fishes are a group of fish known as Sarcopterygii. They possess the basic characteristics of fishes such as swim bladder, lateral lines, etc.

They are a sister group of ray-finned fishes. In addition, lobe-finned fishes possess the following characteristics:

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Answer:

Explanation:

Haploid Cells

Haploid cells contain only one set of chromosomes. Gametes or sex cells are the most common type of haploid cells. They are produced by meiosis and are genetically diverse. When the haploid cells from male and female fuse together during fertilization, it forms a diploid cell.

Diploid Cells

These cells have two sets of chromosomes. It is formed by the fusion of two haploid cells. Most mammals are diploid, i.e., they have two homologous copies of each chromosome in the cells. They are produced by mitosis. The somatic cells in humans are diploid cells.

1. Bees, flies, wasps, butterflies, and moths are significant insect pollinators. Moths are drawn to white flowers that are open at night, but bees and butterflies are drawn to brilliantly colored blooms with powerful scents that are open during the day.

The act of moving pollen grains from an anther to a flower's stigma is called pollination. Flowers that are pollinated by insects typically generate a sweet nectar that the insects visit to consume. If a flower is self-pollinating, fertilization occurs when pollen stock from an insect contacts the stigma of the bloom. If the bug is bisexual, it will fly to another bloom and disperse the pollen.

2. Most flowers advertise themselves by being brightly colored and perched on long stems so they wave in the air and are closer to where insects are flying, as opposed to on the ground, where they would otherwise be. A flower's petal sizes and shapes, in addition to color, can draw insects.

3. Flowers draw insects because of their aroma or vibrantly colored petals. Nectar is a delicious liquid that many flowers generate that is consumed by insects. The female part of the flower is the carpel.

Answer 2. Flowers that are pollinated by insects have characteristics that enable insects, birds, or other animals to pollinate them while consuming the nectar. When an insect brushes by the stigma of a flower, whether it is the same bloom or another, pollen grains will adhere to the insect's outer layer and stick to the flower's stigma, pollinating the flower. When the two seˣ cells combine, fertilization occurs, the ovule develops into a seed, and the ovary becomes a fruit. The pollen grain then grows a pollen tube down the style to reach the ovary, which contains the ovules.

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1. Increases root growth and improves drought tolerance.

2. Builds cellulose and reduces lodging.

3. Activates at least 60 enzymes involved in growth.

4. Helps translocate sugars and starches.

5. Produces grains rich in starch.

6.Increases protein content of plants.

Integrin acts as transmembrane linkers and mediates the interactions between the cytoskeleton and the extracellular matrix.

They are proteins which possesses catalytic and structural functions in the body of organisms.

This is done through their ability to regulate different reactions which occur in cells.

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Answer:

Cells

Explanation:

The basic unit of living things is cells , some cells make up tissues , tissues make organs and organs make organ system , in a normal human (organism) there are 11 organs .

PLEASE GIVE BRAINLIEST

Answer:

Physical Change:

- Boiling water

- Breaking a pencil

- Water evaporating

- Denting a car door in an accident

- Tearing paper

- Ice melting

- dissolving

Chemical Change:

- Something rusting

- photosynthesis

- metabolism/digestion

- Nuclear power [atoms are arranged differently]

- Smashing paper with two metal balls, burns paper

- Electricity in water, breaks H2O into H2 and O2

-----

physical change is when there is only physical change occurring--and it can typically be undone easily,

whereas chemical change is when there is chemical change--which changes the chemical properties of something, which cannot be undone simply.

hope this helps!!

Answer:

physical [The identity does not change]

1. tear paper

2. submerge in water

3. eat [chewing] food

4. cutting hair

5. closing lid

chemical [The identity does change]

1.  digest food

2. acid [corrosion]

3. rust

4. burning paper

5. baking

The ability to limit water transport and to conserve it is the feature most likely to be chosen in the  plants growing in the desert.

Since the plants in desert regions are tiny, have deep roots, and have a thick,  which also helps to keep the plants cool and slows evaporation, they lose less water and are more effective in hot temperatures like deserts. Animals cannot consume the majority of desert plants because they have. As a result of cactus and aloe vera flourishing in this area of the desert, The flora is frequently seen in deserts.

So  The ability to limit water transport and to conserve it is the feature most likely to be chosen in the  plants growing in the desert

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Answer:

Femur bone

Explanation:

Answer is femur bone

Answer:Density-independent limiting factors affect all populations the same, regardless of population size. Density-dependent limiting factors include disease, parasites, competition for food, water, and shelter, and predation. Density-independent limiting factors include natural disasters, climate, and human activity.

Explanation:

The pressure in mmHg of a 0.025 mole sample of CO2 at 350 k in a 2.00L container is 273.6 mmHg.

The pressure of a gas can be calculated using the following expression:

PV = nRT

Where;

P × 2 = 0.025 × 0.0821 × 350

2P = 0.72

P = 0.72/2 = 0.36atm

Therefore, the pressure in mmHg of a 0.025 mole sample of CO2 at 350 k in a 2.00L container is 273.6 mmHg.

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Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.

Prokaryotes are microorganisms characterized due they do not have organelles or cell nuclei.

Conversely, eukaryotes contain their genetic material compartmentalized into a cell nucleus.

In conclusion, Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.

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Answer:

Gravitropism is a common example which can be used to describe negative tropism.

Gravitropism is an example.

When a plant grows upwards and is defying gravity.

Therefore, it is negative gravitropism.

The correct order in the blanks is as follows E D C E A B A C E

Moves through open stomata diffuses through spongy tissue layer CO2(g) is converted into O2(g).  Moves through open stomata diffuses into air pockets and diffuses into palisade cells.  Diffuses into air pockets CO2(g) is converted into O2(g) moves through open stomata.

Plants use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar in a process known as photosynthesis.

When performing photosynthesis, plants utilize the ambient carbon dioxide and release the oxygen gas they create into the atmosphere. Gas exchange is the term for this. Stomata, a unique part of the plant's leaf, are used to accomplish this. The guard cells that surround the stomata become turgid or flaccid in response to the entry or escape of water molecules, respectively. Stomata open and gas exchange occurs when the guard cells become turgid, or the other way around.

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The form of natural selection does the histogram show is disruptive selection.

In disruptive choice, choice pressures act on people withinside the center of the trait distribution. The end result is a bimodal, or -peaked, curve wherein the 2 extremes of the curve create their personal smaller curves.

Disruptive choice produces a populace that has  severe variations of a trait because the dominant phenotype. For example, if each brief and tall organisms, however now no longer medium top organisms have been preferred this will be disruptive choice in action.

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The enzyme PGH synthase contains two different functionalities, a cyclooxygenase that uses two molecules of oxygen as substrates and peroxidase.

Prostaglandin-endop_eroxide synthase 2 (PGH) is an enzyme that has catalytic activity as peroxidase.

A peroxidase enzyme is a catalyst that converts peroxide which is very reactive to oxygen and water.

In conclusion, the enzyme PGH synthase contains two different functionalities, a cyclooxygenase that uses two molecules of oxygen as substrates and peroxidase.

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Answer:

C is the correct answer

Explanation:

C

It is very important that plants gets the right amount of basic needs to survive and reproduce. This is essential to humans as their main source of food is from plant.

Plants needs light, air, water, nutrients, and space to  survive and reproduce. Plants gets their source of light from the sun, they use this light energy to produce glucose in the leaf.

Plants obtain air from the atmosphere, they derive water and nutrients from the soil to enhance their growth.

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Answer:

they are calculating the theoretical yield

Answer:

False

Explanation:

The chemiosmotic hypothesis states that the flow of electrons through an electron transport chain generates a proton gradient that leads to the synthesis of ATP.

(ps.  im so sorry if this is wrong, i've never done this before lolol

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