Answer:through carbon cycle
Explanation: look up for the word and also look at the diagrams for better understanding
scientific explanation that explains how oxygen and carbon dioxide travel within a seed
Answer:
The two membranes pull apart a little and create a small pocket or sack of air. As the developing bird grows, it breathes in oxygen from the air sack and exhales carbon dioxide. Several thousand microscopic pores all over the surface of the egg allow the CO2 to escape and fresh air to get in.
Explanation:
U 2 can help me by marking as brainliest.......
The answer is D but why not B
Isn’t the role of mitosis is growth??
The plant cell is growing due to more cell elongation at Q than P, as Q is the lower layer, if it elongates by various factors or hormones, then it will grow more, as if mitosis helps, but it doesn't increase the plant length but increases the cell number, so option D is correct.
What is mitosis?Mitosis leads to cell division as the single cell is divided into two cells, and through this process, the cell increases in number but doesn't elongate, so for the elongation process, the plant needs some hormones, and as a result, the plant grows in size.
Hence, the plant cell is growing due to more cell elongation at Q than P, as Q is the lower layer, so option D is correct.
Learn more about mitosis here.
https://brainly.com/question/26678449
#SPJ1
More than 10% of people carry the parasite Toxoplasma gondii. The following table gives data from Prague on 15- to 29-year-old drivers who had been involved in an accident. The table gives the number of drivers who were infected with Toxoplasma gondii and who were uninfected. These numbers are compared with a control sample of 249 drivers of the same age living in the same area who had not been in an accident.
Infected Uninfected
Drivers with accidents 21 38
Controls 38 211
(a) What are the two variables being compared? Which is the explanatory variable and which is the response?
(b) Depict the data in a graph. Use the results to answer the question: are the two variables associated in this data set?
Answer:
Explanation:
(a) The two variables being compared are the occurrence of accidents (drivers with accidents vs. controls) and the infection status with Toxoplasma gondii (infected vs. uninfected). In this case, the explanatory variable is the infection status with Toxoplasma gondii, and the response variable is the occurrence of accidents.
(b) To depict the data in a graph, we can create a 2x2 contingency table or a bar chart. Since the data is already provided in a 2x2 table format, we can use a bar chart to visualize the comparison between the variables.
markdown
| Infected | Uninfected |
------------------------------------------------
Drivers with accidents | 21 | 38 |
Controls | 38 | 211 |
In the bar chart, we would have two bars representing the occurrence of accidents: one for drivers with accidents and one for controls. Each bar would be divided into two sections representing the infection status: infected and uninfected.
To determine if the two variables are associated in this dataset, we need to assess if there is a difference in the distribution of infection status between the drivers with accidents and the controls. If there is a notable difference, it suggests an association between the variables.
The problem is comparing whether being infected with Toxoplasma gondii influences involvement in car accidents. An explanatory graph can be created and a statistical analysis such as chi-square test can give a more accurate inference on the association between these two variables.
Explanation:(a) The two variables being compared in this problem are 'status of being infected with Toxoplasma gondii' and 'involvement in car accidents'. Here, the explanatory variable is 'status of being infected with Toxoplasma gondii' because we are examining its effect on the response variable, 'involvement in car accidents'.
(b) For depicting the data in a graph, one could create a bar graph with two variables 'Infected' and 'Uninfected', represented along the horizontal x-axis. The vertical y-axis could represent the quantity of people from the two groups: 'Drivers with accidents' and 'Controls'.
If the bar of 'Infected' drivers with accidents is significantly higher than 'Infected' controls, then we can say these two variables are associated in this data set. Otherwise, the association is not significant. To be sure, a statistical test such as chi-square test would provide a more definitive answer.
Learn more about Association between Variables here:
https://brainly.com/question/32825410
#SPJ2
6. Which type of ice is responsible for sea level rise? *
Sea Ice
O Land Ice
Both
O None of the Above
Answer:
Sea Ice
Explanation:
drifting freely in the upper, well-illuminated waters of the ocean, a diverse photosynthetic community exists. what is this community of autotrophic organisms called?
The people group of autotrophic organic entities that float openly in the upper, very much enlightened waters of the sea is called phytoplankton.
Phytoplankton, like trees and other land plants, use photosynthesis to generate energy. Since phytoplankton lives in oceans and lakes' well-lit surface layers (euphotic zone), they need sunlight to survive.
Phytoplankton are tiny, photosynthetic organisms that are essential to the marine food web because they are the primary producers of organic matter that helps other organisms grow and reproduce. They are a different gathering, including different kinds of green growth, cyanobacteria, and protists, and are liable for delivering roughly half of the oxygen on The planet.
To learn more about phytoplankton here
https://brainly.com/question/1807428
#SPJ4
true/false. the three major types of skeletal muscle are cardiac, skeletal, and digestive.
False. The statement is incorrect. The three major types of muscle tissue are skeletal muscle, cardiac muscle, and smooth muscle.
Skeletal muscle: This type of muscle is attached to the bones and is responsible for voluntary movements of the body. It allows for locomotion, posture, and various voluntary actions. Cardiac muscle: Found only in the heart, cardiac muscle is responsible for the rhythmic contractions that pump blood throughout the body. It has specialized properties that allow for coordinated and synchronized contractions. Smooth muscle: Smooth muscle is found in the walls of organs, blood vessels, and various other structures. It is responsible for involuntary movements and contractions, such as those involved in digestion, blood flow regulation, and other internal processes.
Learn more about types of muscle tissue here:
https://brainly.com/question/29762378
#SPJ11
Given the following DNA sequences for cytochrome c, answer the question.
In one paragraph, using your own words, describe how you would determine which organisms are most closely related using the chart.
Answer:
Dolphin and kangaroo.
Explanation:
Dolphin and kangaroo are the two organisms that are closely related to each other because both have very similar DNA sequences from which the body of organism formed. There are one or two values are different between both Dolphin and kangaroo so that's why both Dolphin and kangaroo are considered as closely related organisms to each other due to similar DNA sequence.
In the classic experiment conducted by Hershey and Chase, why was the pellet radioactive in the centrifuge tube which contained bacteria infected with viruses which had been grown in medium containing^32P? The bacteria were in the pellet and they had incorporated radioactive proteins into their cell membranes. The radioactive viruses (coats plus DNA) were in the pellet The bacteria were in the pellet and many contained the radioactive viral DNA The radioactive protein coats of the viruses were in the pellet.
This is because in the Hershey and Chase experiment, radioactive isotopes of phosphorus (32P) were used to label the DNA of the viruses, while non-radioactive isotopes of sulfur (35S) were used to label the protein coats of the viruses.
B. The radioactive viruses (coats plus DNA) were in the pellet.
After allowing the viruses to infect bacteria, the infected bacteria were subjected to a series of centrifugation steps to separate the viral components from the bacteria. The pellet in the centrifuge tube contained the heavier components, which included the bacteria and any viral components that had been incorporated into the bacterial cells. In this case, since the viruses had been labeled with radioactive 32P, the presence of radioactivity in the pellet indicated that the viral DNA, along with the coats, had been incorporated into the bacterial cells, and thus the correct answer is option B.
Learn more about “ Hershey and Chase experiment “ visit here;
https://brainly.com/question/30660541
#SPJ4
Complete Question
In the classic experiment conducted by Hershey and Chase, the question is asking why the pellet was radioactive in the centrifuge tube that contained bacteria infected with viruses that had been grown in medium containing 32P. Here are the options for the answer:
A. The bacteria were in the pellet, and they had incorporated radioactive proteins into their cell membranes.
B. The radioactive viruses (coats plus DNA) were in the pellet.
C. The bacteria were in the pellet, and many contained radioactive viral DNA.
D. The radioactive protein coats of the viruses were in the pellet.
Question 12
Please place the steps of primary succession in order from from first (top) to last (bottom).
Reorder answers
1. Exposed bare rock due to volcanic eruption or glacier
2. Pioneer species arrives (like lichen)
3. Deciduous tree move in
4. Small plants start to grow
5. Evergreen trees start growing
6. Soil starts forming and mosses begin growing
Answer:
Here are the steps of primary succession in the correct order:
Exposed bare rock due to volcanic eruption or glacier
Pioneer species arrives (like lichen)
Small plants start to grow
Soil starts forming and mosses begin growing
Deciduous trees move in
Evergreen trees start growing
Part AWhich of the following conditions are required for evolution to occur? Select all that apply.Part BDue to natural selection, populations undergo unequal survival and reproductive success.Drag each description of bacterial drug resistance to the correct picture in the figure.Part A-Resources in the environment must be limited.-Individuals within a population must vary in their ability to compete for resources.-Traits must be heritable.Part BA. A random mutation gives a bacterium resistance to an antibioticB. When the antibiotic is introduced, the environment changesC. Only a few bacteria survive exposure to the antibiotic, including the one with resistance.D. The bacteria that survived exposure to the antibiotic reproduce.E. The population changes over time as bacteria resistant to the antibiotic outcompete the non-resistant bacteria.
There are four prerequisites for evolution: the existence of genetic diversity, natural selection, gene flow, and mutation. As a result, biological organisms will develop or change over time.
Conditions required for evolution to occur are: Resources in the environment must be limited. Individuals within a population must vary in their ability to compete for resources. Traits must be heritable. Part B: The description of bacterial drug resistance is given below: A random mutation gives a bacterium resistance to an antibiotic. When the antibiotic is introduced, the environment changes. Only a few bacteria survive exposure to the antibiotic, including the one with resistance. The bacteria that survived exposure to the antibiotic reproduce. The population changes over time as bacteria resistant to the antibiotic outcompete the non-resistant bacteria. Evolution is defined as a natural process in which biological organisms develop or change over time as a result of natural factors such as gene mutation, natural selection, and genetic drift. Evolution includes all the changes that have taken place in the Earth's biota, including the appearance of new species, as well as the extinction of those that are no longer useful.
To learn more about Genetic diversity ;
https://brainly.com/question/1446827
#SPJ11
Does metamorphosis occur in thyme plant's life cycle?
Answer:
In addition, although the term metamorphosis is generally not applied to plants
Answer:
i dont think so
Explanation:
How might disease be responsible for the rise in buffalo population that our investigation is centered on
Answer:
Suppose that the buffalo has a natural predator A.
Now, if there is new disease introduced, that particularlly atacks the natural predator A of the buffalo, we may be in a situtation where the percentage of the buffalo population that was predated by A is decreased (as we have a smaller number of predators A that are active). This means that we have more live buffalos, and as most biological organism, the growth of population is exponential. So having more buffalos today, means that in some months we will have plenty more of them, and this is why a disease can conclude in a rise in the population of some species.
Which of the following is NOT a characteristic of RNA?
The sugar that makes up the foundation of the nucleotides is ribose, not deoxyribose
RNA forms a double helix.
RNA has uracil in place of thymine.
RNA travels outside of the nucleus.
Answe:RNA는 핵 밖으로 이동합니r다.
Explanation:
How does the messenger RNA (mRNA) in the vaccine help your body fight coronavirus?
The DNA from the virus is injected. It tells your body to start making antibodies to protect your body from a virus that was injected into your body. Then, your body makes enough antibodies.
what organism causes ring of calcification around the heart
The organism which causes ring of calcification around the heart is called Calcific aortic stenosis.
Calcific aortic stenosis is a medical disorder in which the heart's aortic valve becomes partly blocked owing to calcium deposits. The aortic valve is a flap-like device that connects the heart's left ventricle to the aorta, the body's biggest artery. It controls how much oxygen-rich blood flows from the heart to the rest of the body. Calcium deposits on the aortic valve can cause the valve to stiffen and constrict, making blood flow through it more difficult. Symptoms include chest discomfort, shortness of breath, disorientation, and fainting.
Although the specific cause of calcific aortic stenosis is unclear, it is believed to be a mix of variables such as age, genetics, and other medical disorders such as high blood pressure, high cholesterol, and diabetes. The illness is more frequent in elderly persons, and males are more prone than women to get it.
For more such questions on Calcific aortic stenosis, click on:
https://brainly.com/question/30511112
#SPJ4
sutures have a little movement??
Sutures have limited mobility or slight movement within their range.
The borders of a wound or incision are frequently held together during medical operations using sutures, also known as stitches. Sutures do permit some movement, despite being designed to hold the tissues in place and encourage healing.
This slight movement is intentional and serves a few purposes. Firstly, it accommodates the natural movements of the body without placing excessive tension on the wound, which can hinder healing. Secondly, it allows for drainage of fluids and minimizes the risk of fluid accumulation.
Lastly, the slight movement of sutures assists in reducing scar formation by distributing tension along the incision line. However, it is important to note that excessive movement or tension on sutures can compromise wound healing and should be avoided.
Learn more about sutures, here:
https://brainly.com/question/30449946
#SPJ1
Why do you think toxicology is an important area of study in veterinary science?
Because some compounds that are not dangerous to humans can be exceedingly harmful to animals, toxicology is crucial in veterinary science.
What is veterinary science?Veterinary science is defined as concerned with preventing the spread of animal diseases to humans as well as the prevention, control, diagnosis, and treatment of diseases impacting the health of domestic and wild animals.
Toxicology is defined as a branch of study that aids in our comprehension of the negative consequences that drugs, events, or chemicals may have on humans, animals, and the environment. The Threshold of Toxicological Concern (TTC) is a notion that refers to the determination of a level of exposure for all chemicals beyond which there would be no appreciable danger to human health, whether or not there are chemical-specific toxicity data.
Thus, because some compounds that are not dangerous to humans can be exceedingly harmful to animals, toxicology is crucial in veterinary science.
To learn more about veterinary science, refer to the link below:
https://brainly.com/question/7944376
#SPJ2
why are vasodilation and vasoconstriction the main mechanisms to change blood flow? question 6 options: blood vessel length is relatively fixed and has no effect on blood flow blood hematocrit has no effect on blood flow leakage of fluids from the capillaries has no effect on blood flow peristalsis has no effect on blood flow
Vasodilation and vasoconstriction are the main mechanisms to change blood flow beacuse blood vessel length is relatively fixed and has no effect on blood flow.
The narrowing (constriction) of blood arteries by tiny muscles in their walls is known as vasoconstriction. Blood flow is delayed or halted as blood vessels close. Vasoconstriction can range from mild to severe. It might be brought on by sickness, medication, or psychological issues.
The sympathetic nervous system, which responds when we are emotionally agitated or angry, is principally in charge of controlling them. This explains how both cold and mental stress can cause these blood vessels to contract, resulting in freezing fingers and toes.
Vasodilation, or the expansion of blood vessels as a result of the blood vessel's muscular walls relaxing, is a medical term. Vasodilation is a method for improving blood flow to body parts that are deficient in oxygen and/or nutrients.
Natural responses to low oxygen levels or rises in body temperature include vasodilation. Its goal is to improve blood flow and oxygen delivery to the body's most in needy regions. Vasodilation may be advantageous to a person's health in some situations.
Learn more about sympathetic nervous system from:
https://brainly.com/question/28485355
#SPJ4
Can someone help me out? In order can u tell me which one is true or false?
true
true
true
false
true
Does evolution occur at the individual or population level?
Answer:
populations
Explanation:
this is because individual species are not changing. Populations are evolving. Since people in a group differ, those of the population are more able to live and replicate owing to a specific range of environmental conditions.
hope this helped!
Explanation:
the process of evolution occurs only in population and not in individuals . all single individual can not evolve alone evolution is the process of changing the gene frequencies with in a gene pool .
You want to study the relationship between daily alcohol consumption and prostate-specific antigen levels. It was suggested that these two parameters have a linear relationship and as you increase your alcohol consumption your prostate-specific antigen level increases. What kind of a linear model would represent this relationship?
The kind of linear model that would represent this relationship is a positive linear model.
In a positive linear model, as the independent variable (alcohol consumption) increases, the dependent variable (prostate-specific antigen levels) also increases in a linear fashion. This implies that there is a positive correlation between the two variables, suggesting that higher alcohol consumption is associated with higher levels of prostate-specific antigen.
A linear model represents a straight-line relationship between the variables, and in this case, it would show a positive slope. The slope of the line indicates the rate at which the prostate-specific antigen levels increase with each unit increase in alcohol consumption.
By studying this relationship, researchers can gain insights into the impact of alcohol consumption on prostate-specific antigen levels and potentially understand the association between alcohol and prostate health.
However, it is important to note that further research and analysis are necessary to establish a causal relationship and consider other factors that may influence prostate-specific antigen levels.
To learn more about prostate-specific antigen here
https://brainly.com/question/31747328
#SPJ4
names of animals that starts with z apart from zebra
Answer:
Zebra finch.
Zebrafish.
Zebu.
Zokor.
Zonkey.
Zorilla.
Zorse.
:))
Hope this helps
All the following actions will help prevent injury when operating equipment on a farm EXCEPT
Aspirin is a weak acid with a pKa of 3.5. It is absorbed into the blood through the cells lining the stomach and the small intestine. Absorption requires passage through the plasma membrane, the rate of which is determined by the polarity of the molecule: charged and highly polar molecules pass slowly, whereas neutral hydrophobic ones pass rapidly. The pH of the stomach contents is about 1.5, and the pH of the contents of the small intestine is about 6. Is more aspirin absorbed into the bloodstream from the stomach or from the small intestine? Clearly justify your choice.
Answer:
More aspirin is absorbed into the bloodstream from the small intestine.
Explanation:
The pH of the stomach contents is highly acidic (about 1.5), which is below the pKa of aspirin (3.5). In an acidic environment, aspirin remains predominantly in the non-ionized form, which is more lipophilic (hydrophobic) and can pass through the plasma membrane more easily. However, the small intestine has a higher pH (about 6), closer to the pKa of aspirin. In this less acidic environment, a larger proportion of aspirin molecules will be ionized, which slows down their passage through the plasma membrane. Therefore, more aspirin is absorbed from the small intestine where the pH is closer to the pKa, and a greater proportion of the drug exists in the ionized form.
As the human population grows
Answer:
it grows
Explanation:
which of the following plays a big role in how girls experience early maturation?
The development of a young girl’s physical, cognitive, emotional, and social capabilities at an earlier age than usual is known as early maturation.
The age at which early maturation occurs varies greatly depending on the individual, and it is influenced by a variety of factors. There are numerous reasons why girls may experience early maturation, including environmental, genetic, and biological factors. The following plays a significant role in how girls experience early maturation: The onset of menstruation and hormonal changes are influenced by genes and hormones. Heredity has a significant impact on the rate and sequence of a girl's growth and development. As a result, the age at which a girl will experience early maturation may be influenced by heredity. Hormonal levels are influenced by the external environment. Stress, weight, and exercise are all factors that can affect hormonal levels and, as a result, the onset of early maturation.
To learn more about early maturation here
https://brainly.com/question/32166445
#SPJ11
What does the ecosystem receive from the outside world?
food, water, timber, air purification, soil formation and pollination
geraldo has been diagnosed with an imbalance of ______ due to abnormal levels of the hormone ________.
Geraldo has been diagnosed with an imbalance of hormones due to abnormal levels of the hormone.
The question does not specify the specific hormone or the type of imbalance Geraldo has been diagnosed with. Hormones are chemical messengers produced by various glands in the body, and their balance is crucial for maintaining proper physiological functions. Hormonal imbalances can occur when there is an excess or deficiency of a particular hormone.
To provide a more specific answer, additional information is needed regarding the hormone involved and the type of imbalance Geraldo is experiencing. It could be related to various hormones, such as thyroid hormones, insulin, cortisol, estrogen, testosterone, or others.ce, hormones, abnormal levels
To determine the specific hormone and the type of hormonal imbalance Geraldo has been diagnosed with, it is necessary to consult with a healthcare professional who can evaluate his medical history, perform appropriate tests, and provide an accurate diagnosis.
To learn more about hormones visit:
https://brainly.com/question/4678959
#SPJ11
is this true or false, Surface waves result from a combination of up-and-down plus side-to-side motion.
Answer:
yaaa you knew that air is everywhere it moves
What is the correct answer?
Answer:
220 may be the answer of this question
Answer: the first one cause 440 times 2 is 880 so that is the correct answer
Explanation: