The heart rate is usually set by a small mass of excitable cells that make up the __________.

Answer:

D

Explanation:

it is felling down I guess

Chemical energy is stored in a fossil fuel and released in the form of kinetic energy when burned.

Fossil fuels, such as coal, oil, and natural gas, are derived from the remains of ancient plants and organisms that were subjected to high pressure and heat over millions of years.

These fuels contain energy-rich hydrocarbon compounds, primarily made up of carbon and hydrogen atoms. When fossil fuels are burned, the combustion process breaks down these hydrocarbons, releasing stored chemical energy.

This energy is then converted into heat and kinetic energy, resulting in the production of heat, light, and mechanical energy, which can be harnessed for various purposes, such as generating electricity or powering vehicles.

For more such answers on Energy

https://brainly.com/question/5650115

#SPJ8

The small intestine's epithelial cells carry nutrients into the body. The polarity of the epithelial tissue is related to directional transport.

Food digestion is its primary function. However, the gut serves a crucial function in fighting pathogens and maintaining the body's water balance in addition to producing a number of compounds that transmit messages to other regions of the body.

Although the large intestine is one continuous tube, different processes take place in various portions of it. The colon, rectum, and anus are its three component sections. Partitioning is also possible for the colon. The six-inch-long entrance point is known as the cecum.

To know more about Intestine visit:

https://brainly.com/question/25720911

#SPJ4

Answer:

These are the benefits of carbon

Explanation:

Carbon is in carbon dioxide, which is a greenhouse gas that traps heat close to Earth. It helps Earth hold some of the heat it receives from the Sun so it doesn't all escape back into space. But CO2 is only good up to a point – beyond that point, Earth's temperature warms up too much. NASA research satellites such as OCO-2 and OCO-3 are studying how carbon moves around the planet.

Answer:

The larva stage of skilworm is a worm-like creature that emerges from the egg, the first life stage. And the pupa stage of silkworm is the sedentary, transformative form following the larval stage

The Golgi body of the cell, which is in charge of altering, classifying, and packing proteins for secretion, is the organelle designated "B" in the diagram.

In eukaryotic cells (cells with clearly defined nuclei), there is a membrane-bound organelle called the Golgi apparatus, sometimes referred to as the Golgi complex or Golgi body. Cisternae, a series of stacked flattened pouches, make up its structure. It is located in the cytoplasm near to the endoplasmic reticulum and the cell nucleus.

The golgi complex, or golgi apparatus, is another name for the golgi body. Most eukaryotic cells have this organelle. It aids in the preparation and packaging of proteins.

To know more about Golgi body visit:-

https://brainly.com/question/24766585

#SPJ1

Answer:

2e

Explanation:fdsas

The inferences which a person can  make about the growth of plankton during Noah's second year of  volunteering is:

According to the given question, we are asked to make an inference on what we believe would be the possible growth of the phytoplankton during the second year of Noah volunteering.

As a result of this, we can see that the inference which we can make about Noah's second year of volunteering is that the phytoplankton would not grow as much as they did in the first year.

This is because of the reduced time which the planktons would receive sunlight compared to the first year.

Read more here:

https://brainly.com/question/15396455

Alleles can be rearranged within an organism's progeny as a result of recombination between homologous chromosomes during meiosis, random mating, random fertilisation, and mutation, which can create completely new alleles in a population.

Only when both of the related alleles are recessive do recessive features manifest themselves. The likelihood of the related trait manifesting itself is decreased if one of the alleles is dominant.

Learn more about Recessive trait here:

https://brainly.com/question/800811

#SPJ1

In order to make the growth medium work, there are several specific substances that need to be added such as X-gal, tiantibiotic, IPTG, and glyphosate

First, X-gal is often added to the growth medium as a substrate for beta-galactosidase, an enzyme that is used to screen for the presence of recombinant DNA. Additionally, a tiantibiotic is often added to the growth medium to select for bacteria that have taken up the recombinant DNA. IPTG is also commonly added to the growth medium as an inducer of protein expression, this molecule binds to a transcriptional repressor, causing it to fall off of the promoter region of a gene of interest, allowing for its transcription and translation into protein.

Finally, glyphosate is sometimes added to the growth medium as a selective agent to kill off bacteria that do not contain the desired recombinant DNA. Overall, these substances work together to create a growth medium that allows for the selection and amplification of bacterial cells containing recombinant DNA.

Learn more about enzyme at

https://brainly.com/question/30600790

#SPJ11

Answer:

In the case of a lunar eclipse, red light can pass through the Earth's atmosphere and is refracted - or bent - toward the Moon, while blue light is filtered out. This leaves the moon with a pale reddish hue during an eclipse.

mark me brainliestt :))

Answer:

Our planet is much larger than the Sun, but the light of our homestars bends around the edge of the Earth. This light reflects off the moon. But not before it passed through our atmosphere. It filters out shorter wavelength blue light and leaves red and orange intact to soak the surface of the moon

hope this helps

have a good day :)

Explanation:

Answer:

If the cell has not properly copied its chromosomes, an enzyme called cyclin dependent kinase, or CDK, will not activate the cyclin, and the cell cycle will not proceed to the next phase. The cell will undergo cell death.

Explanation:

The oxidation of 1 molecule of NADH by nitrate (NO3-) would yield approximately 4.3 ATP molecules per NADH molecule due to its reduction potential at 0.54 V.

The standard reduction potential of elemental sulfur (S) is at 0.04 V and therefore in the oxidation of 1 NADH molecule, it would synthesize around 1.2 ATP molecules per NADH molecule. The oxidation of NADH by ½ O2 molecule yields approximately 2.5 ATP molecules per NADH molecule due to the reduction potential of oxygen at 0.82 V.

The amount of ATP molecules generated from each of the terminal electron acceptors in NADH oxidation show the significant influence that the reduction potentials of the different terminal electron acceptors have on the amount of ATP the bacteria can synthesize.

know more about oxidation here

https://brainly.com/question/13182308#

#SPJ11

polymorphism is when member functions in a class hierarchy perform differently, depending upon which object performs the call.

The Greek term "polymorphism" means "many-shaped," and it has two separate aspects: At runtime, elements like method parameters, collections, and arrays may regard objects of a derived class as objects of a base class. When it comes to genomics, polymorphism is the occurrence of two or more distinct variations of a same DNA sequence in various people or groups. Variation at a single nucleotide is the most prevalent kind of polymorphism (also called a single-nucleotide polymorphism, or SNP).

polymorphism is when ____ in a class hierarchy perform differently, depending upon which object performs the call.

Learn more about polymorphism here:

https://brainly.com/question/29887432

#SPJ4

Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver

When a person drinks, the body absorbs alcohol, circulates it, and eventually eliminates it. Below are the organs or systems in the body where each of these steps takes place:

The organ in which alcohol absorption occurs: Alcohol is absorbed by the stomach and small intestine walls.

The bloodstream is where alcohol absorption occurs. The blood circulates throughout the body and transports alcohol from the stomach and small intestines to other parts of the body.

When alcohol enters the bloodstream, it is diluted, making it easier for the liver to break it down and eliminate it.

In addition, when alcohol enters the bloodstream, it may be found in all tissues of the body, including the brain, kidneys, lungs, and heart. The elimination of alcohol from the body: The liver is the primary organ responsible for metabolizing, or breaking down, alcohol.

Alcohol is eliminated from the body by the liver. The liver breaks down alcohol using enzymes that convert it to acetaldehyde, which is a toxic substance. The liver then converts acetaldehyde into acetic acid, which is a less toxic substance. Finally, acetic acid is broken down into carbon dioxide and water, which are eliminated from the body through urine and exhalation.

Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver

To know more about alcohol visit;

brainly.com/question/29268872

#SPJ11

In Mendel's F2 generation of the purple and white flower crossing, the dominant to recessive ratio was b. 3:1. therefore, option b. 3:1 is correct.

This means that out of every four plants in the F2 generation, three had the dominant trait (purple flowers) and one had the recessive trait (white flowers).

This ratio is the result of Mendel's law of segregation, which states that the two alleles of a gene (in this case, the P and p alleles for flower color) separate from each other during the formation of gametes (pollen and eggs) so that each gamete receives only one allele.

The 3:1 ratio is expected when both parents are heterozygous for the trait, meaning they each carry one dominant allele and one recessive allele.

for such  more question on recessive ratio

https://brainly.com/question/23431895

#SPJ11

Genetics, diet, and picky breeding are the main determinants of cow muscling. Due to certain genetic traits, several breeds of cattle, such as the Piedmontese and Belgian Blue, are noted for having naturally hefty muscles. The answer is false.

The degree of muscling, even in these breeds, does not appear at birth but instead emerges as the animal matures.

Cattle's ability for developing muscles is greatly influenced by genetics. Through the selection of animals with the best genetics for muscle growth, selective breeding programs try to promote desirable features, including muscle. These initiatives involve breeding animals to improve musculature in the next generations.

While genetics set the groundwork, diet is equally as crucial in the growth of muscles. Cattle muscle growth requires proper feeding techniques, such as a balanced diet with enough protein, energy, and minerals. Initially receiving nutrition from their mother's milk, calves are progressively introduced to a solid diet as they grow to assist the growth of their muscles.

To learn more about Piedmontese here

https://brainly.com/question/20289167

#SPJ4

The intensity breaks the hydrogen obligations of the first DNA test and isolates the DNA into single strands (this is named denaturation of twofold abandoned DNA)

During the most important phase in PCR, the beginning arrangement is warmed to the fundamental temperature, ordinarily somewhere in the range of 90° and 100°C. As the intensity fabricates, it breaks the securities joining the two strands of the DNA twofold helix, in this manner empowering the DNA to isolate into two single strands.

Enhancement is accomplished by a progression of three stages: (1) denaturation, in which twofold abandoned DNA formats are warmed to isolate the strands; (2) strengthening, in which short DNA particles called preliminaries to tie to flanking districts of the objective DNA; and (3) expansion, in which DNA polymerase broadens the 3′ finishes of each.

To learn more about PCR here

https://brainly.com/question/19670710

#SPJ4

Answer:

Each somatic cell has two copies. There are 46 chromosomes in all, with 23 from each parent.

Answer:

CGU (Arg)

Explanation:

Due to complementary base pairing between DNA and RNA, C will always pair with G, G will always pair with C , A (from the DNA) will always pair with U (from the RNA) and T (from the DNA) will always pair with A (from the RNA).

3 mol

The net production of ATP molecules per glucose molecule in the muscles if glycogen is the source of the glucose is 3 mol.

The following reaction occurs in the muscles when glycogen is broken down:

(Glucose)n + Pi → Glucose-1-phosphate + (Glucose)n-1

To learn more about glycogen breakdown visit:

https://brainly.com/question/15864389

#SPJ4

Answer:

A

Explanation:

Less energy would be available

Answer:

Mikroalga adalah alga mikroskopik, biasanya terdapat di sistem air tawar dan laut. Mereka adalah spesies uniselular yang wujud secara individu, atau dalam rantai atau kumpulan. Bergantung pada spesies, ukurannya boleh berkisar antara beberapa mikrometer (µm) hingga beberapa ratus mikrometer.

Explanation:

Answer:

The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.

Explanation:

Answer:

When we burn oil, coal, and gas, we don't just meet our energy needs—we drive the current global warming crisis as well. Fossil fuels produce large quantities of carbon dioxide when burned. Carbon emissions trap heat in the atmosphere and lead to climate change

Explanation:

Answer:

umm..ok..hope these will help you..

Answer:

left

tight

frontal

occipital

Explanation:

The energy of the bumper of the car has been converted into thermal energy.

We know that energy is neither created nor destroyed but can be converted from one form to another.

Now we know that when there is a Collison, there is a transformation of energy wen  collision takes place. this can be seen as the bumper of the car heats up after the collisions.

It the follows that the energy of the bumper of the car has been converted into thermal energy.

Learn more about energy conversion:https://brainly.com/question/11234965

#SPJ1

The statement that charges can move from one object to another but cannot be created nor destroyed is described by the law of conservation of charge. According to this law, the total amount of electric charge in an isolated system remains constant and cannot be created or destroyed. The charge can only be transferred from one object to another

Answer : I thank its True I Hope it Can Help : )

Explanation:

Answer:

false

Explanation:

The vertical zones in the ocean include the epipelagic, mesopelagic and bathypelagic zones. The zones are based on the amount of light that penetrates the ocean waters. The epipelagic zone is also called the sunlit zone because it receives enough sunlight to support photosynthesis.

it is divided into three vertical layers

A neuron at rest contains C. a mix of positive and negatively charged ions.

The distribution of ions on either side of the neuron's cell membrane is responsible for the negative resting membrane potential. The cell membrane of the neuron contains a variety of ion channels, pumps, and transporters, which help to maintain the resting potential by moving ions across the membrane. At rest, the cell membrane is much more permeable to potassium ions than to sodium ions, causing a buildup of negative charge inside the cell. This negative charge is counterbalanced by a buildup of positive charge outside the cell, resulting in a net resting potential of approximately -70 millivolts.

The distribution of ions at rest is important for allowing the neuron to rapidly transmit electrical signals when stimulated. When an action potential is generated, there is a temporary reversal of charge as sodium ions flow into the cell, causing depolarization. So therefore a neuron at rest contains C. a mix of positive and negatively charged ions.

Learn more about depolarization at:

https://brainly.com/question/3040056

#SPJ11