Why does a substance like caffeine not bioaccumulate but heavy metals like mercury and lead do? Explain where these toxins are stored in the human body. Hint: is caffeine fat-soluble?

Answers

Answer 1

Answer:

Brain, heart, lungs, liver, kidney

Explanation:

Caffeine does not bioaccumulate in our body but heavy metals like mercury and lead can accumulate because caffeine are fat-soluble and broken down into simpler substances and used by the body whereas heavy metals are not fat-soluble and also essential for our body to function normally but when these heavy metals are very in concentration it accumulated in our body and causes several problems in our body organs. These heavy metals accumulation occurs in the organs such as brain, heart, lungs, liver and kidney where it cause problems.

Answer 2

Caffeine is in organic molecules that are metabolized by the liver. Heavy metals are atoms that cannot be broken down. They can be sequestered in the bones or in fatty tissue (with methylmercury) and have a long residence time in the body.

These toxins are stored in the human brain, heart, lungs, liver, and kidney.

What are heavy metals and examples?

The word-heavy metal directs to any metallic chemical element that has a relatively high density and is toxic at low concentrations.

Examples of heavy metals include mercury (Hg), cadmium (Cd), arsenic (As), etc.

Thus, Heavy metals are atoms that cannot be broken down.

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Related Questions

What is the role of structure A? Check all that apply.

to attract pollinators
to contain the pollen
to contain the egg and ovule
to surround the flowering bud
to protect the reproductive parts of the flower

Answers

Answer:

to attract pollinators

Explanation:

The role of structure A is to attract pollinators. Pollinators are the organisms which helps in the pollination of flowers. These organisms gets nectar from the flower. During their contact with flower pollens are attached to their body and when they moves to another flower these pollens falls on the carpel of the flower and as a result pollination occurs that leads to formation of seed.

Answer:

a to attract pollinators

Explanation:

Can someone answer these for me plz I’ll like every answer

Answers

B explained is that idek I just need points

The wing of a bird and the front limb of a mammal have a similar number and arrangement of bones. Which evolutionary relationship explains these similarities? A. The wing and front limb are homologous structures; each evolved from a common ancestor. B. The wing and front limb are analogous structures; each evolved from a common ancestor. C. The wing and front limb are analogous structures; each evolved independently. D. The wing and front limb are vestigial structures; one evolved from the other.

Answers

Answer:

A

Explanation:

The correct answer would be that the wing and front limb are homologous structures; each evolved from a common ancestor.

Homologous structures are organs of different organisms that look similar in structure but perform different functions on their respective owners. They are as opposed to analogous organs which look different on different organisms but perform similar functions on them.

An example of the homologous organ is the wing of birds and the fore-limbs of mammals which are both built on a five-digit plant, also known as pentadactyl plan. While birds use their wings to fly, the fore-limbs of mammals are adapted for grasping or walking. An example of the analogous organ is the wing of birds and the wing of insects. They both look structurally different but are both for flying.

The correct option is A.

NEED HELP ASAP:
Which of the following describes DNA methylation?
A.) A mechanism involving attachment of methyl groups to certain bases to increase the rate of transcription.

B.) A mechanism involving attachment of methyl groups to certain bases to facilitate the binding of DNA to intermediate filaments.

C.) A mechanism involving attachment of methyl groups to certain bases leading to apoptosis.

D.) A mechanism involving attachment of methyl groups to certain bases for the long-term inactivation of genes during development.

Answers

Hello, I Am BrotherEye

Answer:

D.) A mechanism involving attachment of methyl groups to certain bases for the long-term inactivation of genes during development.

Explanation:

View Above

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~

BrotherEye

The statement that can be used to describe DNA methylation is "A mechanism involving attachment of methyl groups to certain bases for the long-term inactivation of genes during development."

Option D.) is correct.

Define DNA methylation.

DNA methylation controls gene expression by attracting proteins implicated in gene repression or preventing transcription factor(s) from binding to DNA. The pattern of DNA methylation in the genome varies during development as a result of a dynamic process that includes both de novo DNA methylation and demethylation.

DNA methylation is an epigenetic mechanism that happens when a methyl group is added to DNA, altering the function of genes and influencing gene expression.

It's a process that involves attaching methyl groups to specific bases in order to inactivate genes for a lengthy time throughout development.

So, the statement that can be used to describe DNA methylation is option D.)

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Pls help it’s due today at 1:00 pm

Answers

Answer:

The mutation is on chromosome/karyotype 8.

9. Nulceus
(1 Point)
O plant
O animal
O both

10. Vacuole
(1 Point)
O plant
O animal
O both

Answers

Answer:

1. Both2. Both

Hope this helps!

What is nonrenewable and renewable mean?

Answers

Answer:

renewable is one that can be used repeatedly and does not run out because it is naturally replaced. A renewable resource, essentially, has an endless supply such as solar energy, wind energy, and geothermal pressure

Nonrenewable is a natural substance that is not replenished with the speed at which it is consumed. It is a finite resource. Fossil fuels such as oil, natural gas, and coal

What similarities in the development lead scientists to infer that opossums ,chickens, salamanders,and fish share a common ancestor?

Answers


During the early stages of development all 4 organisms have a tail and a row of tiny slits along their throats

Traits that are determined by more than one gene are called what?

Answers

A polygenic trait is one whose phenotype is influenced by more than one gene. Traits that display a continuous distribution, such as height or skin color, are polygenic.

What best describes a high pressure system? Question 4 options: Warm, rising air that creates cloudy, rainy weather Warm, rising air that creates clear, sunny weather. Cool, sinking air that creates cloudy, rainy weather Cool, sinking air that creates clear, sunny weather

Answers

Answer:

a high pressure system : Cool, sinking air, that creates clear, sunny weather.

Explanation:

The characteristics of the high-pressure system is marked by the presence of the cold and sunny days as compared to those of the warm and low-pressure pressure regions of the world.  The air is light and lifts up easily and hence leading to the formation of clouds and rainfall. As compared to the cold air mass that is dense and hence has low moisture contents.

Why must DNA replication happen in order for the stem cell treatment to work?

Answers

The human body needs it for reproduction

Answer:

Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.

Explanation:

3 name that shows that climate has changed over time

Answers

Things like hurricanes and tornados get worse, flooding occours more often, the climate gets slightly warmer, sea levels rise, and warmer summer tempuratures.

Can someone pls help me
WILL MARK YOU BRAINLIEST !!

Answers

Answer:

The Correct Answer Is D

Explanation:

the more it mutates the stronger it gets right? this also lessens the chance for a cure to work.

Answer:

The answer is D.

Explanation:

The reason behind it is because bacteria has grown to resist antibiotics so scientists and doctors have to continue to make stronger medicines to fight off the bacteria.

>> how is atp produced in the mitochondria?

Answers

Answer:

Most of the adenosine triphosphate (ATP) synthesized during glucose metabolism is produced in the mitochondria through oxidative phosphorylation. This is a complex reaction powered by the proton gradient across the mitochondrial inner membrane, which is generated by mitochondrial respiration.

Explanation:

- Eijiro <3

Answer: Most of the adenosine triphosphate (ATP) synthesized during glucose metabolism is produced in the mitochondria through oxidative phosphorylation. This is a complex reaction powered by the proton gradient across the mitochondrial inner membrane, which is generated by mitochondrial respiration.

BRAINLIEST AND 25 POINT COME BEFORE ITS TO LATE

Can you give the definitions to the words below?

Frequency, wavelength, and energy

Electromagnetic energy

Reflection, Refraction, Absorption

3 States of Matter

Categories of Biodiversity

Answers

Answer:

Frequency: The rate that sound or other waves vibrate at

Frequency: The rate at which something happens

wavelength: wavelength -- the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave

wavelength: wavelength -- a shared orientation leading to mutual understanding; "they are on the same wavelength"

energy: Power that makes machinery work

energy: The physical and mental effort used to do things

Electromagnetic energy is a term used to describe all the different kinds of energies released into space by stars such as the Sun. These kinds of energies include some that you will recognize and some that will sound strange. They include: Radio Waves. TV waves.

Reflection: A reflection shows what something is like

Reflection: The image that reflected from or in something

Refraction: refraction -- the change in direction of a propagating wave (light or sound) when passing from one medium to another

Refraction: deflection, deflexion, refraction -- the amount by which a propagating wave is bent

Absorption: absorption, soaking up -- a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid

Absorption: absorption -- the physical process in which incident radiated energy is retained without reflection or transmission

Absorption: concentration, engrossment, absorption -- complete attention; intense mental effort

Absorption: preoccupation, preoccupancy, absorption, engrossment -- the mental state of being preoccupied by something

Absorption: assimilation, absorption -- the absorbing of one cultural group into harmony with another

3 States of Matter: There are three very well-known states of matter: Solids, Liquids, and Gases.

Categories of Biodiversity: Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity. Genetic diversity is all the different genes contained in all individual plants, animals, fungi, and microorganisms.

Explanation:

Sorry for being late, I was answering but had to do something.

Answer:

frequency, and wavelength are all properties of sound, and sound is an electromagnetic wave. The electromagnetic spectrum encompasses a continuous range of frequencies or wavelengths of electromagnetic radiation, ranging from long wavelength, low energy radio waves to short wavelength, high frequency, high energy gamma rays.

Which is a unicellular fungus?
A Slime mold
B Mushroom
C Yeast
D none of these​

Answers

Explanation:

Unicellular fungi are generally referred to as yeasts. Saccharomyces cerevisiae (baker's yeast) and Candida species (the agents of thrush, a common fungal infection) are examples of unicellular fungi. Example of a unicellular fungus: Candida albicans is a yeast cell and the agent of candidiasis and thrush.

What type of immune response is a phagocyte eating the invaders Non-specific or specific , why?
WILL GIVE 25 EXTRA POINTS !!

Answers

Answer:

ook so what you do is

Explanation:

the ending molecules after a chemical reaction has taken place where

Answers

Answer:

I think the answer is products but you worded the question really weird

Explanation:

Which of the following is a drawback to polyculture?
It is challenging to development and maintain.
It allows multiple varieties of plants to exchange multiple resources from and to the soil.
It allows standardized growing techniques.
It offers predictable large yields of a single crop.

Answers

Answer:

It is challenging to development and maintain.

Explanation:

Edge 3/2021

which of the following is NOT a way that new alleles or traits can be brought into a population?

1) Mutations

2) Overpopulation

3) Genetic Drift

Answers

overpopulation , because it’s overpopulated with stuff that’s already there

the s checkpoint just before the entry into the s phase makes the key decision of whether the cell should divide

Answers

Answer:

Yes that is correct becuase people have hade the technology to do that.

Explanation:

Which of the following is NOT a factor that affects wind?

Answers

Answer:

i think its friction or A

Explanation:

Mike is studying the phylogenetic tree for big cats.
A big cat phylogenetic tree is shown. A bracket goes to clouded leopard and to another bracket. That bracket goes to 2 additional brackets. One bracket goes to tiger and snow leopard. The other bracket goes to janguar and another bracket. The other bracket has lion and leopard.

He made several statements about the tree. Which statement is not true?
The leopard is more closely related to the jaguar than to the snow leopard.
The leopard is more closely related to the tiger than to the clouded leopard.
The leopard is more closely related to the snow leopard than to the clouded leopard.
The leopard is more closely related to the tiger than to the snow leopard.

Answers

Answer: D: The leopard is more closely related to the tiger than to the snow leopard

Explanation:

The leopard is equally related to the tiger and the snow leopard

The leopard is more closely related to the tiger than to the snow leopard.

What is phylogenetic tree?

A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

Why phylogenetic tree is important?

Phylogenetic trees are important tools for organizing knowledge of biological diversity, and they communicate hypothesized evolutionary relationships.

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wich soil
dries faster after rainfall​

Answers

Answer:

There are 3 types of soil

Explanation:

-Sandy soil

-Clay soil

-Loam or something i forgot lol

1.basically Sandy soil absorbs and doesn't retents water (water retention) so it evaporates quizker than most soils

2.While clay say doesn't absord much water

3.And loamy soil (Mostly used in gardening) absorbs water but doesn't retain it so it evaporate or either used up by plants.

How are ATP molecules used to power cell processes and what happens to ATP when it is used?

Answers

Answer:

Explanation:

ATP is able to power cellular processes by transferring a phosphate group to another molecule (a process called phosphorylation). This transfer is carried out by special enzymes that couple the release of energy from ATP to cellular activities that require energy

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This picture below shows the fossil of three species of mosasuar, large marine reptiles that are now extinct what do similarities in these mosasaur indicate

Answers

The similarities in the fossil fuels of the given species of the mosasaur indicates a close relationship between the organisms.

The fossil records of the extinct organisms are used for studying the characteristics of their genome and it also helps to understand the similarities and differences between the different species of the same organism which have become extinct.

Several fossil records of thousands of organisms have been recovered and studied by the paleontologists till date. The study of these fossils have suggested that the organisms that have become extinct were very different from the organisms that are found to be present today.

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5. The sequence of nitrogen bases on a portion of a strand of DNA is ATGCAA. Which
sequence best represents the portion of the messenger RNA strand that encodes this
information?
A TAGOTT
B. UAGOUU
CAUBCAA
D. UAOGLU
ace

Answers

Definitely the answer is B

UAGOUU is a messenger RNA strand that encodes this information.

What is Messenger RNA?

Single-stranded RNAs of the type known as messenger RNA, or mRNA, are used to make proteins. mRNA is created during transcription from a DNA template.

The function of mRNA is to transport protein information from DNA in the cell's nucleus to the cytoplasm (watery center), where the machinery responsible for producing proteins reads the mRNA sequence and converts each three-base codon into an amino acid that will eventually create a protein.

mRNA, or messenger RNA. Therefore, mRNA is actually a type of nucleic acid that aids in the cellular machinery's ability to read the human genome, which is encoded in DNA.

Therefore, UAGOUU is a messenger RNA strand that encodes this information.

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PLEASE HELP - Practice Selecting and Reading a Value on a Micropipette

Answers

Answer:

See email again. I am working on it.

Three of the four main stages of the cell cycle occur during which phase of mitosis?

Answers

Answer:

metaphase, anaphase, and telophase.

Explanation:

Mitosis takes place in four stages: prophase (sometimes divided into early prophase and prometaphase), metaphase, anaphase, and telophase

Diet and stress are mostly examples of which type of factors?

genetic

environmental

nutritional

inherited

Answers

Answer:

May be Nutritional but no sure

Diet and stress are mostly examples of nutritional type of factors. Thus, option C is correct.

What is the example of Diet and stress?

Diet and stress are mostly examples of Nutritional factor, Eye color is mostly caused by  Genetics. The structure of human eye is an important sensory organs which is responsible for vision, differentiation of color  that is 10 – 12 million colors and maintain the biological clock of the human body.

The internal components of an eye are Lens which are transparent, biconvex attached to the ciliary body with the cornea it refracts light. Retina is the innermost layer of the eye, light sensitive and acts as a film of a camera,  ganglion, bipolar and photoreceptor cells are present in retina.

It involve in the conversion of  the image into electrical nerve impulses used for the visual perception.Optic nerve located at the posterior portion of the eyes which carry all the nerve impulses from the retina to the brain for perception.

Therefore, Diet and stress are mostly examples of nutritional type of factors. Thus, option C is correct.

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