The reason cows belch methane gas and humans do not is because ?
a. Cows have a two-chambered stomach
b. Cows digest the grass they eat into carbon dioxide
c. Cows ferment their food while it is digesting and nitrous oxide is a by product.
d. Cows ferment their food while it is digesting and methane gas is a by product
https://www.nytimes.com/2020/10/21/climate/beef-cattle-methane.html?smid=url-share
Answer:
D
Explanation:
when we drink soda and we burp it is because of the gases that are created when digestion happens, same for the cow, just with food.
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Answer:
c
Explanation: It is younger because it retains most of its potassium. This means that the potassium has not had time to break down yet. In the second rock there is little to none of it's original potassium. Meaning it has existed long enough for most of the potassium to break down.
Which process accurately describes the transport of substances in the body and production of energy in cells?
The lungs inhale oxygen which is transported to cells by the circulatory system, where cells use it to create energy.
The lungs inhale carbon dioxide which is transported to cells by the circulatory system, where cells use it to create energy.
The heart inhales oxygen which is transported to cells by the respiratory system, where cells use it to create energy.
The heart inhales carbon dioxide which is transported to cells by the respiratory system, where cells use it to create energy.
Answer:
Explanation:
The process that accurately describes the transport of substances in the body and production of energy in cells is- The lungs inhale oxygen, which is transported to cells by the circulatory system, where cells use it to create energy.Therefore, the correct option is A.
What is respiration?The process of respiration involves the exchange of gases between the environment and the body. During inhalation, air enters the lungs, and oxygen is diffused across the lung tissue and into the bloodstream.
The oxygen-rich blood is then pumped by the heart to the cells throughout the body via the circulatory system. In the cells, the oxygen is used in a process called cellular respiration to produce energy in the form of ATP, which powers cellular functions.
Carbon dioxide, a waste product of cellular respiration, is then transported back to the lungs via the circulatory system and exhaled during exhalation.Therefore, the correct option is A.
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The question is incomplete, but most probably the complete question is,
Which process accurately describes the transport of substances in the body and production of energy in cells?
A. The lungs inhale oxygen, which is transported to cells by the circulatory system, where cells use it to create energy.
B. The lungs inhale carbon dioxide, which is transported to cells by the circulatory system, where cells use it to create energy.
C. The heart inhales oxygen, which is transported to cells by the respiratory system, where cells use it to create energy.
D. The heart inhales carbon dioxide, which is transported to cells by the respiratory system, where cells use it to create energy.
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Please help. The DNA content for an organism is analyzed. The results showed that 21% of the nucleotides contained the nitrogenous base
adenine. What else can be inferred based on this data? Select ALL that apply.
A) The percentage of cytosine is 29%.
B) The percentage of adenine is 21% for all organisms.
C) The percentage of thymine in the organism is also 21%.
D) The percentage of guanine in the organism is also 21%.
E) The percentage for cytosine in the organism is also 21%.
Answer:
A and C
Explanation:
I did the USA tp and got a 100 so you can trust me
If the results showed that 21% of the nucleotides contained adenine, then the percentage of cytosine is 29% and the percentage of thymine in the organism is also 21% (Options A and C).
DNA is a double helix molecule composed of two long chains of nucleotides.
In DNA, there are four types of nucleotides, each containing a different nitrogenous base: adenine, guanine, thymine and cytosine.
According to the base pair rules, adenine always pairs with thymine, whereas guanine pairs with cytosine.
In consequence, the percentage of adenine is equal to thymine, whereas the remining percentage is equal to the guanine + cytocine (29 + 29 = 58 >> 58 + 21 + 21 = 100).
In conclusion, if the results showed that 21% of the nucleotides contained adenine, then the percentage of cytosine is 29% and the percentage of thymine in the organism is also 21% (Options A and C).
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Describe the prairie dog's niche. How does it find shelter and impact the environment?
Answer:
1.His niche is to dig burrows in grassy plains. It has an impact on the environment because sometimes animals have the same niche and this could unleash competition and the decrease of some populations. 2.By digging up the soil and exposing it to air, as well as burying bones and food, dogs help renew and enrich the environment. But mostly they just don't want Buster, the sneaky neighbor dog, to get their treasured item.
Explanation:
Answer:
In addition to providing food and shelter to associated species, prairie dog burrows actually enrich the soil and improve vegetation quality because water concentration is able to flow underground. Prairie dogs prefer to create their homes in overgrazed areas so the low vegetation can provide protection from predators.
Explanation:
two difference between the incisors and canines
Answer:
Incisors: 1. These teeth help in biting the food. 2. They are total 8 in number- four in each jaw. Canines: 1. These teeth help in tearing the food. 2. They are total 4 in number- 2 in each jaw.
I’ll give brainly pls answer
how the exposure to penicillin affects the survival of some bacteria in the population
Answer:
When exposed to penicillin, the frequency of resistant bacteria will increase as those that are resistant survive and reproduce. — The resistant bacteria will survive and they will produce offspring that are resistant
Explanation:
pls mark brainliest
describe the role of insulin in regulating blood sugar levels
Answer:
Insulin helps control blood glucose levels by signaling the liver + muscle fat cells to take glucose from the blood. It then helps the cells to take the glucose to be use for energy, and if the body has sufficient energy, insulin signals the liver to take up glucose and store it as glycogen.
Induced Pluripotent Stem Cells are:
Answer:
I think it's the first one
Where should people focus their efforts when improving transportation energy efficiency?
A)
automobile design
B)
bus design
C C)
train design
D)
airplane design
Your mom and dad each gave you 23. They make you, you and me, me. – What is it?
Answer:
92
Explanation:
23 * 4 = 92
hope this helped
what is function of organic matter in soil.
Explanation:
adds nutrient in the soilprovide a good habitat for micro organisms in the soilhelps improve the soils water holding capacity2.1 Which of the following types of molecules is NOT one of the four primary biomolecules?
a. carbohydrates
b. proteins
c. nucleic acids
d. lipids
e. fruc
Answer:
e. fruc
Explanation:
I looked them up and it said the first 4 was the primaries
what is the process of heating food to a temperature that kills harmful bacteria
Answer:
Pasteurization
Explanation:
Pasteurization involves heating liquids at high temperatures for short amounts of time. Pasteurization kills harmful microbes in milk without affecting the taste or nutritional value (sterilization= all bacteria are destroyed).
it is called pasteurization
PLEASE HELP
In at least one paragraph explain your own stance in the debate between nature and nurture. Describe this debate and use evidence from the class or your
life to support your own beliefs about it. Your paragraph must be a minimum of five complete sentences with correct grammar, spelling, and punctuation
Answer:
There are specific things that us humans experience that are caused by nature and by nurture, but there are also things that they work together on as well. I believe that gender and gender expression is fueled by both nature and nurture. An experiment was conducted in England with toddlers and adults. The adults were to watch over the toddlers and play with them. What the adults didn't know is the toddlers were dressed as the opposite sex. A little girl dressed as a male was handed "boys toys" and a boy dressed as a female was handed "girls toys". But the scientist went even further with her research and went to a zoo. Chimpanzees are our closest relatives and were the target group for the experiment. Different gendered toys were placed about and one by one monkeys began to play with the twos. However, the male chimps played with the "boys toys" and the female with the "girls toys". So it was proven quickly that while it may seem like more nurture than nature, nature does play a role in gender expression.
Will mark brainliest
Answer:
the answer is A and D hope that helped
how is the structure of a nerve cell specialised to carry out its functions
Answer:
A typical neuron consists of a cell body (soma), dendrites, and a single axon. The soma is usually compact. The axon and dendrites are filaments that extrude from it. Dendrites typically branch profusely and extend a few hundred micrometers from the soma. The axon leaves the soma at a swelling called the axon hillock (the axon hillock also has the greatest density of voltage-dependent sodium channels. This makes it the most easily excited part of the neuron and the spike initiation zone for the axon) and it branches but usually maintains a constant diameter. At the farthest tip of the axon's branches are axon terminals, where the neuron can transmit a signal across the synapse to another cell.
In general, dendrites receive the electrical signal from other neurons, and this signal is transmitted over long distances from the axon.
Like all animal cells, the cell body of every neuron is enclosed by a plasma membrane, a bilayer of lipid molecules with many types of protein structures embedded in it. A lipid bilayer is a powerful electrical insulator, but in neurons, many of the protein structures embedded in the membrane are electrically active. These include ion channels that permit electrically charged ions to flow across the membrane and ion pumps that chemically transport ions from one side of the membrane to the other to generate the action potential that generates the electrical signal. They also have a highly developed synthetic apparatus for the production of neurotransmitters
Explain the difference between sexual reproduction and asexual reproduction. Explain either an advantage or disadvantage for
each.
In asexual reproduction, reproductive organs aren't used but they're used.
advantage of sexual- A lot of genetic variation. since they have DNA of two parents. they can survive more and adapt more.
disadvantage of asexual- diversity is limited. Since the organism only gets the DNA of one parent, they wouldn't be able to really survive if something happened.They would easily be extinct.
Sorry I can't really cone up with better words but I hope you get the idea. it all comes down to natural selection really if you've learned about it. Hope it helped!!!
PLEASE HELP ASAP
If an individual has trisomy 21, what is true of the individual's chromosomes?
There are 21 chromosomes in each body cell.
There is a deletion of chromosome 21.
There are 47 chromosomes in each body cell.
There are 47 chromosomes in half the body cells.
Answer: There are 47 chromosomes in each body cell.
Explanation:
Answer:
there are 47 chromosomes in each body cell
Explanation:
can someone please help me
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Answer:
The answer should be (b)
Explanation:
Makes the most sense
NEED HELP
How do we use ATP in our body?
Explanation:
ATP is consumed for energy in processes including ion transport, muscle contraction, nerve impulse propagation, substrate phosphorylation, and chemical synthesis.
Phenylketonuria (PKU) is a disease that is caused by the mutation of a single gene. The mutation can cause several problems, such as mental ret*rdation, lightly colored hair and skin, and lower IQ.
The disease phenylketonuria is an example of how
A.
a single gene can only affect a single trait.
B.
multiple genes can affect a single trait.
C.
a single gene can affect multiple traits.
D.
all of these
Answer:
C ..A single affect multi traits
Answer:
C ..A single affect multi traits
Explanation:
PLEASE HELP!! I'LL GIVE A THANKS, FIVE <3, AND BRAINLIEST!!!! ASAP
A. Identify two examples of environmental factors that may impact myeloperoxidase activity. Describe how each of the environmental factors would affect the reaction tare of an enzyme.
B. Predict the how researchers can use myeloperoxidase activity as oxidative stress biomarkers in patients with rheumatoid arthritis. Provide reasoning to justify your prediction.
Answer:
So... MPO is most abundantly expressed in neutrophil granulocytes, and produces hypohalous acids to carry out their antimicrobial activity through oxidative damage during the respiratory burst. It requires heme as a cofactor.
Regarding environmental factors ... obviously the first factor is the presence of an infection and inflammation that cause an increase in the activity and production of MPO. Second, alterations in the MPO gene cause its congenital deficiency which predispose to infections.
Rheumatoid arthritis is an autoimmune and autoinflammatory rheumatoid disease in which significant joint damage is observed. In the joint capsule, inflamed infiltrates are observed composed of neutrophils and lymphocytes. Measurement of MPO levels in the joint cavity could therefore be related to the amount of neutrophils and thus to the extent of the inflammatory damage.
When the respiratory burst occurs, MPO is most abundantly expressed in neutrophil granulocytes, which then create hypohalous acids to carry out their antimicrobial function through oxidative damage.
What is MPO?Regarding environmental causes, the first one is undoubtedly the existence of an infection and inflammation, which elevate MPO activity and production.
Second, changes to the MPO gene result in its congenital deficit, which makes people more susceptible to infections.
Therefore, the amount of neutrophils and, consequently, the severity of the inflammatory response might be connected by the measurement of MPO levels in the joint cavity.
Therefore, When the respiratory burst occurs, MPO is most abundantly expressed in neutrophil granulocytes, which then create hypohalous acids to carry out their antimicrobial function through oxidative damage.
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Which of the following statements is true about viruses?
Answer:
What are the statements
Explanation:
Which countries would be impacted if the world transitioned away from coal?
Answer:
…
Explanation:
Biologists refer to the number of chromosomes with an "#n". For example, 1n for one copy of chromosomes and 2n for two copies. How else can this be expressed?
Answer:
haploid/diploid
Explanation:
The number of chromosomes can also be expressed as haploid or diploid, instead of 1n for one copy and 2n for two copies.
The haploid number of chromosomes also refers to a copy of the chromosomes or half of the genome of organisms while the diploid number of chromosomes refers to the double or complete set of chromosomes in the genome of organisms.
So, in other words: n = haploid and 2n - diploid.
Hubble discovered that galaxies are all moving away from each other at fantastic speeds. What was his evidence for this discovery?
Answer:
The plot of the distance of galaxies and their red shifts.
Explanation:
Edwin Hubble was an astronomer and the founder of modern cosmology.
He discovered that galaxies are all moving away at fantastic speed by plotting the distance of eighteen galaxies against their red shifts.
In astronomy, if galaxies move towards the earth, they shift towards the blue end of the spectrum and if they move away from the earth, they shift towards the red end of the spectrum. From his plot, galaxies were moving away from the earth at a rate directly proportional to their distance from the earth. From his calculation, Hubble noted that the greater the red shift, the farther away the galaxy is from the earth, the farther away they are moving from the earth and the faster away they are from each other.
This formed the basis of Hubbles Law.
What would be on the gag reel of your life? ...
Answer: everything
Explanation:
Answer:
Everytime i've had a total brain fart in public
Explanation:
