Hardening of the arteries results in arteriosclerosis and deposition of plaques in the walls of the arteries results in atherosclerosis
This condition occurs due to the accumulation of fatty deposits, cholesterol, cellular waste products, calcium, and other substances in the inner lining of the arteries.
As a result, the arteries lose their elasticity and become hardened.
Deposition of plaques in the walls of the arteries, which is a characteristic feature of atherosclerosis, leads to further complications. These plaques are composed of cholesterol, fat, calcium, cellular debris, and other substances. Over time, they can grow in size and obstruct the normal flow of blood through the affected artery.
This can lead to reduced blood supply to vital organs and tissues, causing various health problems depending on the affected arteries. If a plaque ruptures, it can trigger the formation of blood clots, which can completely block the artery and result in a heart attack or stroke.
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these visual pathway cells have high temporal resolution but low spatial resolution
The visual pathway cells that have high temporal resolution but low spatial resolution are the rod cells in the retina.
Rod cells are specialized photoreceptor cells that are responsible for detecting low levels of light and are primarily used in low-light conditions such as at night or in dimly lit environments.
Rod cells have high temporal resolution, meaning that they are able to detect changes in light quickly and respond rapidly to changes in the visual environment.
However, they have low spatial resolution, which means that they are not able to distinguish fine details and are less sensitive to color than cone cells.
In bright light conditions, cone cells become the dominant photoreceptor cells and provide high spatial resolution and color vision, while rod cells become less sensitive and contribute less to visual processing.
Thus, these visual pathway cells have high temporal resolution but low spatial resolution.
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What is another word for substrates in a chemical reaction?
(Or just tell me if the answer "reactants" is correct)
Please don't use any dictionary app or site for this. Thanks
Which codon is the code for the amino acid histidine (His)
Messenger
Second base in codon
RNA Codons
U
С
A
G
UUU UCU
Phel
UAU UGU U
UUC)
UCC UAC)
Tyr
U
UGC)
Cys
Ser
C
UUA UCA
Leu
UAA Stop UGA Stop A
UUG
UCG
UAG Stop UGG Trp G
CUU CCU
CAU
U
CGU
CUC ССС
His
CAC) CGC
Leu Pro
с
CCA
Arg
CAA1
CUG
CGA
Gin
CCG CAG CGG
AUU ACU
AAU
AUC)lle ACC
Asn Ser
AAC) AGC
Thr
AUA
ACA AAA
AUG Start Me ACG
AGA
Lys Arg
AAG AGG
GUU GCU GAU1 GGU
GUC GCC
Asp
GAC) GGC
G
Val
Ala
GUA
GCA
Gly
GAA
Glu
GGA
GUG
GCG GAG) GGG
First base in codon
CUA
Third base in codon
AGU
A. CAA
B. UAC
Ο Ο Ο Ο
C. AAC
D. CAU
Answer:
The codon that codes for the amino acid histidine (His) is CAC. Therefore, the correct answer is D. CAU.
En la naturaleza existen más de 4000 minerales diferentes conocidos conocidos
La declaración 'en la naturaleza existen más de 4000 minerales diferentes conocidos' es VERDADERA. Estos elementos pueden ser diferenciados por sus propiedades.
Un mineral es un material inorgánico que se encuentra en la naturaleza, el cual posee una estructura atómica específica, como así también una composición particular.
El estudio de la propiedades físicas y químicas permiten diferenciar los diferetes tipos de minerales que se encuentran en la naturaleza.
Los minerales pueden encontrarse en su estado puro (por ejemplo, oro, plata, cobre) o bien estar combinados con otros materiales para formar diferentes elementos.
Por ejemplo, el cuarzo está formado por la unión del silicio con oxígeno.
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how to calculate minimum codon length
To calculate the minimum codon length, you will need to use the following equation: minimum codon length = total codon length / number of codons. For example, if the total codon length is 300 nucleotides and the number of codons is 10, the minimum codon length would be 30.
The codon length is the total length of a gene's mRNA sequence. The length of a codon is the total number of nucleotides that make up a codon, which is three. The number of codons is the total number of codons present in a gene's mRNA sequence.
In order to calculate the minimum codon length, you must first calculate the total codon length by multiplying the number of codons by the length of a codon. For example, if the number of codons is 10 and the length of a codon is three, then the total codon length would be 30.
Once you have the total codon length, you can then divide this by the number of codons to get the minimum codon length. For example, if the total codon length is 300 nucleotides and the number of codons is 10, then the minimum codon length would be 30.
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Part A: Research a Forest
Use credible resources to research the type of forest you chose and address these questions:
Where is this forest located?
What is the climate of this region?
What types of plants and animals live there?
Why is deforestation of this region a threat?
Is deforestation currently occurring in this region? If so, what is the primary cause?
Write a paragraph that answers the questions.
The selected area is the Atlantic Rain Forest in Brazil, which include diverse species of insects, mammals, birds, and also reptiles. Deforestation in this area increases the amount of carbon dioxide in the atmosphere, which may trigger unpredictable climatic phenomena in the region.
Why deforestation is a threat to wildlife and humans?Deforestation is a threat to wildlife and humans because plants are primary producers that increase the amount of available oxygen by consuming carbon dioxide.
Therefore, with this data, we can see that deforestation is a threat to wildlife and humans because plants help to reduce carbon dioxide levels, which is a greenhouse gas.
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PLS HELP. DUE TODAY IN 5 MINUTES!!!!
How does the frequency of Microwaves compared to x-rays?
Answer: Microwaves and X-rays have different wavelengths and frequencies. Microwaves fall between infrared radiation and above radar radiation. X-rays fall above ultraviolet radiation and below gamma ray radiation. Visible light falls between infrared and through ultraviolet.
Explanation:
Answer:
Microwaves and X-rays have different wavelengths and frequencies. Microwaves fall between infrared radiation and above radar radiation. X-rays fall above ultraviolet radiation and below gamma ray radiation. Visible light falls between infrared and through ultraviolet.
Explanation:
Hope this helps :)
List the requirements a genetic engineer must accomplish in order to successfully "transform" a plant. (Hint: There are 6.)
For a plant to be properly "transformed" by a genetic engineer the following conditions must be met:
1. The engineer must select the target gene they wish to introduce or modify in the plant's genome. They also have to isolate the gene(s) in question.
2. The target gene must be cloned and amplified to make enough copies for transformation.
3. The correct vector is selected to facilitate the transport of the target gene and its entry into the plant genome. This vector is usually a plasmid.
4. It is the responsibility of the engineer to deliver the target gene to the plant cells.
5. The newly introduced gene needs to be incorporated into the plant's DNA.
6. Plant cell regeneration after transformation: transformed cells must be encouraged to mature fully
A genetic engineer can successfully alter a plant that meets these criteria by adding or changing genes to provide desirable characteristics such as disease resistance, improved yield, or improved nutritional value.
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The back bone of DNA and RNA is composed of _____. DNA is double stranded due to interactions between adenine,cytosine,guanine, and thymine, which are ____ Uracil is a
The backbone of DNA and RNA is composed of sugar phosphate. DNA is double-stranded due to interactions between adenine, cytosine, guanine, and thymine, which are nucleotide bases. Uracil is a pyrimidine nucleotide base.
DNA is the hereditary material of humans and almost all organisms. It carries genetic information. DNA is deoxyribonucleic acid and RNA is ribonucleic acid. DNA is double-stranded while RNA is single-stranded. Both DNA and RNA are protein derivatives. The base is formed of sugar phosphates. Both these carry nucleotide bases on them. Adenine, guanine, cytosine, uracil, thymidine, etc are examples of nucleotide bases. Among that adenine and guanine are purines. Cytosil Uracil and thymidine are pyrimidines.
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PLZ HELP MEEEEEE
Along which type of front is the weather the calmest?
AND PLZ DONT PUT A WEBSITE I HAVE NO TIME FOR THIS!!!!
Answer:
Quick answer: Cold front
Explanation:
Cold fronts are less likely to be humid and carry rain clouds. Hope this can help you!
Answer:
Hi! I think the best awnser is warm fronts.
Explanation:
Cold fronts are usually extreme thunderstorms, while warm fronts are more slow and fog like. Warm fronts are calm and clear because it's not as dense or powerful as cold fronts.
What is the difference between growth and development in a multicellular organism.
The two concepts "growth" and "development" that have probably given us the most trouble over our academic careers are these.
Growth is the simple definition of "an increase in size and mass of a specific organism over time," whereas "development" covers a wider range of topics. The definition of "development" is "the process through which a particular organism changes from a lone cell to a more complex multicellular creature."While development can include an organism's structures, functions, capacities, etc., growth just considers how big or enormous an organism is. The biomass can be used to gauge growth. Cell differentiation is a necessary component of development. These cells can become highly specialized and perform their respective activities throughout time. Every living thing is in a different stage of growth.Learn more about the Growth and development with the help of the given link:
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A normal resting value for oxygen uptake in humans lies in the rasnge of
The normal resting value for oxygen uptake in humans lies in the range of 200-250 ml O₂/min.
During rest, the body's oxygen demand is low, and the amount of oxygen taken up by the body is relatively constant. The normal resting value for oxygen uptake in humans is around 200-250 ml O₂/min, which can vary depending on factors such as age, gender, and physical fitness level.
This value can be measured using various techniques such as indirect calorimetry, which measures the amount of oxygen consumed and carbon dioxide produced by the body.
It is important to establish a normal range for oxygen uptake in order to monitor individuals who may have respiratory or cardiovascular conditions that affect their ability to take up oxygen. Additionally, knowing the normal range can help to diagnose disorders that affect oxygen uptake, such as metabolic disorders and lung diseases.
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The four characteristics of adaptive immunity include all of the following except:
a. activation by a specific antigen.
b. memory.
c. production of clones of cells that have the same TCR or BCR.
d. each lymphocyte is effective against a wide array of pathogens.
The four characteristics of adaptive immunity include all of the following except: **d. each lymphocyte is effective against a wide array of pathogens.**
Adaptive immunity refers to the immune response that is specific to particular antigens. The correct characteristics of adaptive immunity are:
a. Activation by a specific antigen: Adaptive immunity is initiated by the recognition of specific antigens by lymphocytes (T cells and B cells). This specificity allows the immune system to target and respond to particular pathogens.
b. Memory: Adaptive immunity exhibits immunological memory, meaning that once the immune system encounters an antigen, it "remembers" it. This memory allows for a quicker and stronger immune response upon subsequent exposures to the same antigen.
c. Production of clones of cells that have the same TCR or BCR: T cells and B cells, upon activation, undergo clonal expansion, resulting in the production of many copies of cells that bear the same T-cell receptor (TCR) or B-cell receptor (BCR). This amplification ensures an effective response against the specific antigen.
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por es necesaria la duplaciacion del material genetico en la mitosis
Answer: D
Explanation: just did it on edg
Which of the following is used by plants
to attract pollinators?
A. ovary size
B. stamen length
C. sweet-tasting fruit
D. cellulose
Answer:
C. sweet-tasting fruit
Explanation:
pls help me i will mark brainliest im begging you
which of the following statements about photosystem ii are correct? it is a multimolecular transmembrane assembly containing several polypeptides, several chlorophyll molecules, a special chlorophyll (p680), pheophytin, and plastoquinones. it transfers electrons to photosystem i via the cytochrome bf complex. it uses light energy to create a separation of charge, the potential energy of which can be used to oxidize h2o and to produce a reductant, plastoquinol. it uses an fe2 -cu center as a charge accumulator to form o2 without gener- ating potentially harmful hydroxyl radicals, superoxide anions, or h2o2.
The correct statement about photosystem II is that A. a multimolecular transmembrane assembly containing several polypeptides, several chlorophyll molecules, special chlorophyll (p680), pheophytin, and plastoquinones.
Photosynthesis is the process of combining various substances to produce food by plants involving sunlight. The main raw materials for plants to carry out photosynthesis are carbon dioxide, air, and chlorophyll with the help of sunlight.
Photosystem is a collection of chlorophyll whose function is to capture light at certain wavelengths. In the light reactions in the noncyclic cycle electrons will be captured by P680 (photosystem II). Photosystem II absorbs light energy carried by chlorophyll a which is sensitive to a wavelength of 680 nm (nanometers). Photosystem II is involved in the assembly of transmembrane multimolecules containing several polypeptides, several chlorophyll molecules, special chlorophyll (p680), pheophytin, and plastoquinones.
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Giraffe bending to drink. In a giraffe with its head 2.38 m above its heart, and its heart 2.11 m above its feet, the(hydrostatic) gauge pressure in the blood at its heart is 262 torr. Assume that the giraffe stands upright and the blood density is 1.06×10
3
kg/m
3
. In torr (or mmHg ), find the (gauge) blood pressure (a) at the brain (the pressure is enough to perfuse the brain with blood, to keep the giraffe) from fainting) and (b) at the feet (the pressure must be countered by tight-fitting skin acting like a pressure stocking). (c) If the giraffe were to lower its head to drink from a pond without splaying its legs and moving slowly, what would be the increase in the blood pressure in the brain? (Such action would probably be lethal.) (a) Number Units (b) Number Units (c) Number Units
The giraffe bends over while drinking water. Its head is 2.38 m above the heart and the heart is 2.11 m above the feet. When the giraffe stands upright, the gauge pressure in the blood at its heart is 262 torr. By utilizing blood density 1.06 × 10³ kg/m³,
"Giraffe bending to drink. In a giraffe with its head 2.38 m above its heart, and its heart 2.11 m above its feet, the(hydrostatic) gauge pressure in the blood at its heart is 262 torr. Assume that the giraffe stands upright and the blood density is 1.06×10³ kg/m³. In torr (or mmHg), find the (gauge) blood pressure.
at the brain (the pressure is enough to perfuse the brain with blood, to keep the giraffe) from fainting) and
at the feet (the pressure must be countered by tight-fitting skin acting like a pressure stocking).
If the giraffe were to lower its head to drink from a pond without splaying its legs and moving slowly, what would be the increase in the blood pressure in the brain?
(Such action would probably be lethal.) Number Units, Number Units" is: Answer: 483 torr, 25 torr, 215 torr
The giraffe bends over while drinking water. Its head is 2.38 m above the heart and the heart is 2.11 m above the feet. When the giraffe stands upright, the gauge pressure in the blood at its heart is 262 torr. By utilizing blood density 1.06 × 10³ kg/m³, we have to figure out the gauge blood pressure at the brain and the feet. The giraffe must lower its head to drink water from a pond in such a way that it does not splay its legs or move slowly. This would almost certainly be fatal as the blood pressure in the brain would rise to an alarming level.
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explain how the structure of a chloroplast (its membranes and thylakoids) makes its function (the chemical reactions of photosynthesis) more efficient.
Answer:
These internal membranes stack on top of each other, just like a stack of pancakes.
The structure of a chloroplast, specifically its membranes and thylakoids, makes its function, the chemical reactions of photosynthesis, more efficient because it provides a large surface area for the reactions to occur on and a way to organize the reactions in a sequence that allows the products of one reaction to be used immediately in the next reaction.
The membranes of a chloroplast are made up of two layers of phospholipid molecules, which form a lipid bilayer. This structure provides a large surface area for the chemical reactions of photosynthesis to occur on. The thylakoids, which are stacks of membrane-bound compartments, increase the surface area even further.
In addition, the structure of the thylakoids allows the reactions of photosynthesis to be organized in a sequence that allows the products of one reaction to be used immediately in the next reaction. The thylakoids are arranged in stacks called grana, which are interconnected by strands of thylakoid membrane called stroma lamellae. The thylakoid membranes within a granum are organized into discrete units called photosystems, which are the sites of the light-dependent reactions of photosynthesis. The thylakoid membranes within the stroma lamellae are the site of the light-independent reactions of photosynthesis. This organization allows the products of the light-dependent reactions, which are carried out in the thylakoid membranes of the grana, to be used immediately in the light-independent reactions, which take place in the thylakoid membranes of the stroma lamellae.
Overall, the structure of a chloroplast, with its membranes and thylakoids, provides a large surface area for the reactions of photosynthesis to occur on and a way to organize the reactions in a sequence that allows the products of one reaction to be used immediately in the next reaction. This makes the function of the chloroplast, photosynthesis, more efficient.
In which way(s) could polar bears and grizzly bears be considered different species?
Polar bears and grizzly bears can be considered different species for several reasons.
Firstly, they have distinct physical characteristics. Polar bears are adapted to live in the Arctic and have thick white fur, large paws for walking on ice, and a streamlined body shape for swimming. Grizzly bears, on the other hand, have brown fur, smaller paws, and a more muscular body shape for digging and climbing.
Secondly, they have different ecological and behavioral adaptations. Polar bears primarily eat seals and rely on sea ice for hunting, while grizzly bears are omnivores and often feed on plants, insects, and small mammals. Grizzly bears also live in a wider range of habitats, including forests, mountains, and tundra, while polar bears are found almost exclusively in the Arctic.
Finally, polar bears and grizzly bears have different genetic characteristics. While they can interbreed in captivity, in the wild they rarely do so due to differences in breeding behavior and habitat preference. Interbreeding can also lead to hybrid offspring, which may have reduced fitness compared to their parent species.
Overall, while polar bears and grizzly bears are closely related and can interbreed, their differences in physical, ecological, and genetic characteristics are significant enough to classify them as distinct species.
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explain how radial symmetry and the lack of cephalization usually associated with it can have adaptive value for sessile animals and be favored by natural selection.
Sessile animals with radial symmetry and an absence of cephalization can benefit from such traits because they enable them to react to inputs coming from various sources without the requirement for a specific head or hind ending.
What function does radial symmetry serve in sessile organisms?Radial symmetry can give sessile creatures, like sea anemones or corals, a larger area of vision and a better capacity to react to inputs coming from various directions. This is particularly crucial for creatures that are immobile or unable to adjust their posture since they must be able to recognise and react to imminent risks or food sources coming from any angle.
For sessile species, the lack of cephalization—that is, the absence of a specific head or front end—can also be useful for adaptation. Since cephalization enables animals to possess a tail for locomotion and a head designed for perceiving and reacting to stimuli, it is frequently connected with mobility. Sessile creatures, on the other hand, are not required to move around, and their absence of cephalization can streamline their architecture and lower their energy needs.
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How do the plates and mantle interact at this divergent boundary of plate boundary?
Answer:
The mantle will fill in the gaps with molten rock that are caused by the two plates moving away from each other at the divergent boundary. The molten rock would soon harden and become apart of the two plates plates.
what is the genotype of parent 2?
Answer:
Scientists use the term genotype to refer to the combination of mother and father genes in the person's make up. AA, AO and OO are the 3 genotypes that may result from the mating of the parents in the example above. Scientists use the term phenotype to refer to what gene is actually expressedAfter injuring his knee, Kai began having pain and numbness in his lower leg. The doctor said the injury damaged nerves that run all the way down his leg.
Damage to which system is causing Kai's pain and numbness?
the peripheral nervous system
the central nervous system
the endocrine system
the cirulatory system
I need the answer now please i only have 8 minutes to turn my work in
Answer:
the peripheral nervous system
Explanation:
Your nervous system is split into two halves the CNS (Central Nervous) and PINS (peripheral). As the name suggest Central contains the organs in the center: the brain and spinal cord. Peripheral contains the nerves that protrude from the CNS. Remember you can get a lot of information by paying attention to the wording.
Answer:
The Peripheral Nervous System
Explanation:
what are the diferences between using traditional methods of artifcial selection and using various transgenic methods of altering crops?
Traditional artificial selection involves selectively breeding plants or animals to enhance specific traits over time, while transgenic methods involve directly manipulating an organism's genes to achieve desired traits more rapidly and with greater precision.
Artificial selection involves selectively breeding plants or animals with desired traits to increase their frequency in the population, while transgenic methods involve the direct manipulation of an organism's genes, usually by introducing foreign DNA, to achieve the desired traits. Traditional artificial selection takes longer and requires multiple generations to achieve significant changes, whereas transgenic methods can result in rapid and specific alterations to a crop's genetic makeup. Artificial selection relies on naturally occurring genetic variations within a species, while transgenic methods can introduce genes from different species or even synthesize entirely new genes, allowing for a wider range of possible traits. In artificial selection, unwanted traits may also be inherited along with the desired traits due to genetic linkage. In contrast, transgenic methods can target specific genes, reducing the likelihood of unwanted traits being passed on.
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What if the Earth was moved out to Jupiter's orbit which is about 5 times further from the Sun that Earth. How would the Sun's effect on the Earth change at that distance?
A. 5 time less gravitational force
B. 25 times less gravitational force
C. 0.5 times less gravitational force
D. 250 times less gravitational force
Answer:
D
Explanation:
Any type of data that may either agree or disagree with a prediction so that it may either support or disprove a hypothesis is known as
Evidence is any sort of data that may support or refute a hypothesis and may either agree or disagree with a prediction.
What is hypothesis?Hypothesis is a fact whose exsistence need to be proved.
Every hypothesis be it scientific or for a social cause needs to be proved with documents which we call evidences, these might be individuals, papers, circumstances, methodology etc.
An explanation for a phenomenon is put forth as a hypothesis. According to the scientific method, a hypothesis must be testable in order to qualify as a scientific hypothesis.
Usually, scientists build their ideas on earlier discoveries that raise questions about the reliability of the corpus of current information.
A methodology is the step-by-step process for conducting a scientific experiment.
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With respect to energy, Earth is a........
closed system
Integrated system
layered system
open system
Fill in the Blank.
1.) Temperature and pressure both ___________ as you move toward the center of the Earth.
2.) When earthquakes occur they produce ____________ ______________.
3.) P waves can go through ______________ & _______________.
4.) S waves can only go through ______________.
5.) We study the ______________ & ______________ of seismic waves to determine what Earth’s layers are made of.
5.) Material that is less dense will _______________. Material that is denser will _____________.
6.) When radioactive elements decay they produce __________ that drives convection currents in the mantle. This radioactive decay happens in the _______________ ______________.
As we move towards the center of Earth, both the temperature and pressure increases progressively. The temperature and pressure at the center of the Earth are 5,200°C and 3.6 million (atm) respectively.
What is Earthquake?As we move to the inner core of Earth, the increase in temperature and pressure is observed. This is because the Earth's core is a sphere of molten nickel and iron.
Earthquake is a natural disaster. When earthquakes occur they produce sudden release of energy which causes the seismic waves that make the ground shake.
P-wave is a type of body wave that can go through both solid and liquid materials present in Earth's interior. S-wave is another type of body wave that can pass through only solids.
The study of speed and path of seismic waves determine what Earth's layers are made up of. In convection currents, material that is less dense will rise while material that is denser will sink deeper.
Mantle convection currents can be determined by the decay of radioactive elements. They emit energy in the form of ionizing radiations including alpha- particles. The radioactive decay happens in the mantle as well as in the rocks of Earth's crust.
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1.
What is a mutation?
A. a change in the genetic material of a cell
B. the specific sequence of bases in a molecule of DNA
C. the process by which a molecule of DNA makes a copy of itself
D. the perfect replication of a DNA molecule
Answer:
the answer is A
Explanation:
d talk about replicating and so does c
and b isn't clear so most likely the answer is A