Answer:
These statements are true:
The vacuole stores food, water, and waste in the cell.
The cytoplasm is the jelly-like substance that fills the cell
Explanation:
The statement about the cell wall is false because the cell wall provides support and the plasma membrane controls what comes in and out of the cell.
The statement about the nucleus is incorrect because it does not create energy. The mitochondria create energy for the cell.
8. What is the overall trend in the prevalence of CVD in the U.S. population?
9. In what age group does the prevalence of CVD in the female (frauen) population equal that of the male (manner) population?
10. At what point does 50 percent of the male (manner) and female (frauen) population have CVD?
Where the above information provided subsists,
8) The trend in the prevalence of CVD in the US population is seen to be on an upward trajectory
9) The age group does the prevalence of CVD in the female (frauen) population equal that of the male (manner) population is at age 65-74
10) The point at which 50 percent of the male (manner) and female (frauen) population have CVD is ages 55-64.
What is CVD?Cardiovascular disease (CVD) refers to any ailment that affects the heart or blood vessels. It is commonly connected with the formation of fatty deposits inside the arteries (atherosclerosis) and an increased risk of blood clots.
Unhealthy food, physical inactivity, cigarette use, and problematic alcohol consumption are the most major behavioral risk factors for heart disease and stroke.
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'Paraphrasing'
Original: Over four thousand years ago, ancient Egyptians used early beekeeping practices, from keeping beehives to producing honey in sealed pots.
A- Several thousand years ago, ancient Egyptians followed early beekeeping practices, from keeping beehives to making honey in sealed pots.
B- Ancient Egyptians, in the past, followed the practice of getting honey from bees, including keeping beehives. They also found honey in pots.
C- A long time ago, early Egyptians followed old beekeeping customs of maintaining beehives and making honey in covered jars.
D- Egyptians have always liked bees and honey. Many years ago, they used early beekeeping practices. They kept beehives and produced honey in sealed pots.
A long time ago, early Egyptians followed old beekeeping customs of maintaining beehives and making honey in covered jars. Hence, option C is correct.
What is paraphrasing?Paraphrasing is the act of restating a text, passage, or idea in one's own words while retaining the original meaning. It involves comprehending the original content and then expressing it in a new form, using different words and sentence structures.
The paraphrased sentence of the given sentence is "A long time ago, early Egyptians followed old beekeeping customs of maintaining beehives and making honey in covered jars". Hence, option C is correct.
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How can we address the growing scarcity of common minerals as the human population grows?
A. Use more energy to locate existing minerals.
B. Relocate human communities to new, uninhabited areas.
C. Build more and larger landfills.
D. Investigate ways of using other, more plentiful minerals.
Look at other, more accessible minerals' potential applications. a rising scarcity of basic minerals as the population increases.
What are a few uses for minerals?Construction, manufacturing, agriculture, and energy production all employ economic minerals in various ways. Energy minerals, for example, are used to provide power, fuel for transportation, heat for homes and businesses, and to make plastics.
Can minerals be used in a sustainable manner?Making ensuring mineral use is kept to a minimum without hindering economic growth is the goal of sustainable mineral development. This is accomplished through using minerals effectively, recycling, and using non-traditional materials.
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What is the ploidy of daughter cells produced after Meiosis I and Meiosis II?
Meiosis II starts with two haploid parent cells and ends with four haploid daughter cells while maintaining the number of chromosomes in each cell.
After meiosis 1, what is the ploidy of the daughter cells?The DNA ploidy number is 2N at the end of meiosis I, and it is 2N at the end of meiosis II., it is 1N. The cell repeats its DNA during DNA replication before meiosis.
How many ploidies are there in meiosis 1 and 2?While Meiosis II divides the remaining set of chromosomes in a mechanism akin to mitosis, Meiosis I reduces the ploidy level from 2n to n (reduction) (division). Meiosis I is when the majority of the distinctions between the processes take place.
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Wastewater does NOT include
sewage from industrial sites.
potable water.
sewage from homes.
used water from homes.
used water from industrial sites.
Waste water does not include potable water.
What is waste waters?We have to put in our minds the idea that waste water is water that is not fit for use except it has been recycled.
Wastewater refers to any water that has been used and discharged from homes, businesses, industries, or other sources. This includes water from sinks, toilets, showers, washing machines, and industrial processes, among other sources.
Wastewater can contain a wide range of pollutants and contaminants, including organic matter, pathogens, chemicals, and heavy metals. If untreated or improperly treated, wastewater can pose a significant risk to human health and the environment by contaminating water sources and spreading disease.
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Which result will occur in the arrangement of proteins in Diagram A?
Responses
Lactose will be absorbed into the cell by proteins.
The expression of proteins that can break down lactose will be prevented.
Proteins that can break down lactose will be expressed.
Only one of the lac operon genes will be expressed.
Proteins that can break down lactose will be expressed in the arrangement of proteins in Diagram A.
The correct option is C.
What is the lac operon?Three genes, lacZ, lacY, and lacA, make up the lac operon. These genes are each translated into a single mRNA by a single promoter. The lac operon contains genes that code for proteins that aid the organism in utilizing lactose.
This operon includes the genes that make the proteins responsible for bringing lactose into the cytosol and breaking it down into glucose. Then, energy is created using this glucose.
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One area where mainstream economics differs from environmental economics is that mainstream economics tends to give more weight to _________ benefits and costs than it does to ________ benefits and costs.
Question 24 options:
short-term; middle-term
short-term; long-term
long-term; short-term
long-term; middle-term
Answer:
One area where mainstream economics differs from environmental economics is that mainstream economics tends to give more weight to short-term benefits and costs than it does to long-term benefits and costs.
2. Coral reefs are composed of microorganisms that acquire calcium ions (Ca²+) and carbonate ions (CO²)
from ocean water to build exoskeletons composed of calcium carbonate. Ocean acidification can affect the
ability of these organisms to acquire carbonate ions. Scientists have observed that the amount of carbon
dioxide dissolved in ocean water has been increasing for the last 150 years. Correspondingly, the pH of
ocean water has been decreasing.
a. How does an increase of carbon dioxide in ocean water result in a decrease in pH?
b. What do you think has caused the increased carbon dioxide levels in the oceans?
Answer:
a. When carbon dioxide (CO2) dissolves in water, it reacts with water molecules to form carbonic acid (H2CO3). This reaction increases the concentration of hydrogen ions (H+) in the water, which lowers the pH, making it more acidic. The increased carbon dioxide in ocean water leads to the production of more hydrogen ions, leading to a decrease in pH.
b. The increased carbon dioxide levels in the oceans are caused by human activities such as burning of fossil fuels, deforestation, and other land-use changes. These activities release large amounts of carbon dioxide into the atmosphere, and about one-third of this carbon dioxide is absorbed by the oceans. As a result, the oceans have absorbed a significant amount of carbon dioxide, leading to increased acidity and other consequences such as coral bleaching and the decline of marine biodiversity.
Answer: Your welcome!
Explanation:
a. An increase in carbon dioxide in ocean water results in a decrease in pH because carbon dioxide increases the acidity of the water. The increase in carbon dioxide in the ocean causes a reaction with the water molecules to form carbonic acid, which causes the pH of the water to decrease.
b. The increased carbon dioxide levels in the oceans are likely caused by human activities, such as burning fossil fuels and deforestation. These activities release carbon dioxide into the atmosphere which is then absorbed by the oceans.
Please someone to help me out
Brainliest reward for the helper
Answer:
It stimulates appetite and energy storage.
Explanation:
Ghrelin is your "hunger hormone", being responsible for that hungry feeling. It also induces energy storage in the form of fat.
Answer:
stimulates appetite and energy storage
HELP ASAP please!
Your skeletal system does not work alone. We just made note of the fact
that the skeletal system works closely with the muscular system,
however this is not the only system it works with. Think of an example of
the skeletal system working closely with another system of the human
body.
Answer: Circulatory Syestem
Explanation:
The circulatory system works closely with the skeletal system to operate properly. The calcified bones of the skeleton work closely with the circulatory system. Red and white blood cells are formed with the help of marrow, a material created inside bones. The red and white blood cells are transported throughout the body by the circulatory system. The body needs both red and white blood cells to function effectively, and without the skeletal system's bones initially producing marrow, these cells could not be transported throughout the body.
Make my answer the brainliest!
what is the difference between latent and virulent viruses
Answer:
The main difference between latent and virulent viruses is that latent viruses remain dormant or inactive inside the host cell, while virulent viruses actively replicate and cause disease.
Latent viruses can remain inside the host cell for extended periods without causing any symptoms. These viruses do not actively replicate, but instead, integrate their genetic material into the DNA of the host cell. Examples of latent viruses include the herpes simplex virus, which can cause cold sores and genital herpes, and the varicella-zoster virus, which causes chickenpox and can later reactivate to cause shingles.
Virulent viruses, on the other hand, actively replicate and cause disease in the host. They can cause symptoms ranging from mild to severe and can lead to the death of the host. Examples of virulent viruses include the flu virus, HIV, and Ebola virus. These viruses actively replicate within the host, causing damage to the host's cells and tissues and triggering an immune response that can further damage the host's body.
Describe the connection between nutrients and the digestive system ?.
Answer:
The connection between nutrients and the digestive system is that the digestive system is responsible for breaking down food into smaller molecules called nutrients. These nutrients are then absorbed by the body to provide nutrients necessary for proper functioning. The digestive system works by breaking down proteins into amino acids, carbohydrates into glucose, and fats into fatty acids and glycerol. Once the nutrients are absorbed, they are transported throughout the body to help sustain life.
Which of the following describes a reason to use phosphorus on plants?
O to help plants grow strong root structures and large flowers
O to weaken a weed plant and make it vulnerable to pests and disease
O to help roots absorb nitrogen and potassium
O to act as a multivitamin, boosting plant health
The reason to use phosphorus on plants is: to help plants grow strong root structures and large flowers.
Phosphorus is an essential nutrient for plant growth and is important for the development of strong root systems, which in turn support the growth of large and healthy plants. It is also essential for the development of flowers, fruits, and seeds. While nitrogen and potassium are also important nutrients for plants, phosphorus plays a unique role in promoting root development and reproductive growth. Therefore, using phosphorus fertilizer can be beneficial for promoting healthy plant growth.
Discuss the relationship between growth hormone (GH) and insulin-like
growth factor (IGF).
Answer:
Explanation:
Growth hormone (GH) and insulin-like growth factor (IGF) are two hormones that are closely related and work together to regulate growth and development in the body. GH is produced by the pituitary gland, while IGF is produced mainly by the liver and other tissues in response to GH stimulation.
When GH is released into the bloodstream, it stimulates the production of IGF-1 in the liver and other tissues. IGF-1 then acts on various tissues in the body, promoting cell growth, division, and differentiation. It also stimulates the production of cartilage and bone tissue, leading to skeletal growth.
GH and IGF-1 also play important roles in the regulation of metabolism. GH promotes the breakdown of fats and the release of fatty acids into the bloodstream, while IGF-1 enhances the uptake of glucose into cells and the production of proteins.
The relationship between GH and IGF-1 is a complex one, with feedback loops and other regulatory mechanisms involved. For example, high levels of IGF-1 can inhibit the release of GH from the pituitary gland, while low levels of IGF-1 can stimulate GH secretion.
Disruptions to the GH-IGF-1 axis can have significant impacts on growth and development. Deficiencies in GH or IGF-1 can lead to stunted growth and developmental delays, while excess GH or IGF-1 can lead to overgrowth and conditions such as acromegaly.
Overall, GH and IGF-1 work together to regulate growth and metabolism in the body, and disruptions to this complex system can have significant effects on health and development.
Suggest why a tight seal on the container is important in the beer making process.
Answer:
fats and oils are made from the smaller units called
Answer:
In order to prevent extra oxygen from going in
Label the parts of a cell membrane with the term that describes each part with drawing
The labelled diagram of a cell membrane has been attached below.
What is a cell membrane?A cell membrane, also known as a plasma membrane, is a thin, semi-permeable membrane that surrounds and encloses the contents of a cell. It is composed of a double layer of phospholipid molecules with embedded proteins, carbohydrates, and cholesterol. The phospholipids form a hydrophobic (water-repelling) interior and hydrophilic (water-loving) exterior, creating a barrier between the inside and outside of the cell. The proteins embedded within the membrane have various functions, such as transport of molecules in and out of the cell, cell recognition and signaling, and cell adhesion. The cell membrane is essential for maintaining the integrity of the cell and regulating the movement of molecules in and out of the cell.
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compare the haploid and diploid numbers of chromosomes during mitosis and meiosis
Answer:
During mitosis, the number of chromosomes remains the same in both diploid and haploid cells. Diploid cells have two sets of chromosomes (2n), while haploid cells have only one set (n). During meiosis, the number of chromosomes is reduced by half, with diploid cells producing four genetically different haploid cells. Meiosis also involves recombination and independent assortment of homologous chromosomes during meiosis I, followed by separation of sister chromatids during meiosis II.
when and why do mutation occur in dna
Answer:
Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection. Germline mutations (that occur in eggs and sperm) can be passed on to offspring, while somatic mutations (that occur in body cells) are not passed on.
Explanation:
Give two or more examples of density-independent factors and density-dependent factors that could affect populations.
Answer:
Density-independent factors are abiotic factors that affect populations regardless of their size, such as natural disasters (e.g., fires, floods) and weather events (e.g., droughts, extreme temperatures). Density-dependent factors are biotic factors that affect populations based on their size and density, such as competition for resources (e.g., food, water, shelter), predation, and disease.
Density-independent factors are abiotic factors that affect populations regardless of their size, such as natural disasters (e.g., fires, floods) and weather events (e.g., droughts, extreme temperatures). Density-dependent factors are biotic factors that affect populations based on their size and density, such as competition for resources (e.g., food, water, shelter), predation, and disease.
Write any two clear difference between bright half and dark half?
GIVE A DETAILED HISTORY OF AGRICULTURE
please help me
I need the whole packet
4. Thymine. , 5. Adenine. , 6. Guanine. , 7. Cytosine. , 8. DNA double strand. ,9. Single strand.
What is the structural backbone of DNA molecule?The structural backbone of a DNA molecule consists of alternating sugar (deoxyribose) and phosphate molecules. These sugar and phosphate molecules are joined together by covalent bonds known as phosphodiester bonds. The sugar and phosphate molecules are arranged in a repeating pattern with the sugar molecule of one nucleotide bonding to the phosphate molecule of the adjacent nucleotide, forming a long, continuous chain. The nitrogenous bases (adenine, guanine, cytosine, and thymine) are attached to the sugar molecules, projecting inward from the backbone. This double-stranded helical structure of DNA is stabilized by hydrogen bonding between the nitrogenous bases, with adenine pairing with thymine and guanine pairing with cytosine. This hydrogen bonding between the complementary base pairs allows DNA to replicate and transmit genetic information during cell division.
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Scientists have found that atmospheric carbon dioxide levels have from 280 parts per million to over parts per million during the last years.
About 412 parts per million (ppm) of carbon dioxide are currently present in the Earth's atmosphere, and that number is increasing.
How can scientists know the history of carbon dioxide levels going back 800000 years?Scientists have discovered that atmospheric CO2 levels have never been as high as they are presently by digging for ice cores and examining the air bubbles that result. That means that CO2 levels have never been this high in the entire history of human civilization.
When did CO2 concentrations surpass 300 ppm?The last time the planet's atmosphere had 300 to 400 ppm of CO2 occurred during the mid-Pliocene, 3 million years ago. This is recent enough for scientists to believe that for the planet to be not radically different than it is today.
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Answer:
Scientists have found that atmospheric carbon dioxide levels have
increased
from 280 parts per million to over
200
parts per million during the last
150
years.
Explanation:
organism that has two different copies of an allele is called what?
Answer:
Heterozygous Organisms.
Explanation:
Heterozygous is a term used to describe when there are two different variations of genes. One comes from your mother and one from your father.
If an extrasolar planet suddenly became more massive, but kept the same radius and orbit, what would change during an observed transit?.
Using the radial-velocity method from ground-based telescopes, the great majority of planetary detections to date have been made.
Planets You cannot distinguish between which takes longer: the extrasolar planet or the star. Both take the same amount of time.Radial velocity, commonly known as the Doppler wobble, has produced the most planets, over 400, and is now the most successful method for finding new planets. With this technique, astronomers search for a star's "wobble," or telltale fluctuations in a star's light spectrum, which are brought on by the gravitational pull of orbiting planets.The radial velocity method, which analyzes how host stars move in response to gravitational tugs from their planets, has been by far the most effective way for discovering and characterizing extrasolar planets.For more information on extrasolar planet kindly visit to
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Which of the following is due to global warming?
(i) An increase in the water level in the sea
(ii) The melting of snow on mountain peaks
(iii) A decrease in food production by plants
(a) Only (i) and (ii)
(b) Only (ii) and (iii)
(c) Only (i) and (iii)
(d) (i), (ii) and (iii)
Answer: I believe it's d
Explanation: all of these are results of global warming
Please help out!!!
Three islands have three different habitats. Island X has little ground vegetation and lots of trees. Island Y has a lot of ground vegetation but fewer trees. Island Z has a lot of ground vegetation and many trees. The same species of tortoises cannet travel between the islands. Over time, each population becomes more suited to the environment on its island.
Which factor contributed to the adaptation of each tortoise population?
a. changing seasonal temperatures
b. geographic barriers
c. variable mutation rates
d. lack of competition
The factor that contributed to the adaptation of each tortoise population is b. geographic barriers.
Why is geographic barriers important to adaptation?Geographic barriers play an important role in adaptation because they create physical barriers that prevent or limit the movement of organisms between populations. Geographic barriers can create distinct environments on either side.
The isolation of each population on its respective island resulted in different environmental conditions and selective pressures, leading to the evolution of different traits in response to those pressures. Over time, natural selection favored individuals with advantageous traits, resulting in adaptation to their respective habitats.
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An air bubble has a volume of 0.95L at 24C if the pressure does not change what is the volume at 7C?
Explanation:
Assuming the pressure is constant, we can use the combined gas law to solve for the new volume. The combined gas law is given by:
(P1 x V1)/T1 = (P2 x V2)/T2
where P1, V1, and T1 are the initial pressure, volume, and temperature, respectively, and P2, V2, and T2 are the final pressure, volume, and temperature, respectively.
We can rearrange this equation to solve for V2:
V2 = (P1 x V1 x T2)/(T1 x P2)
Substituting the given values, we get:
V2 = (1 atm x 0.95 L x 280 K)/(297 K x 1 atm)
V2 = 0.899 L
Therefore, the volume of the air bubble at 7°C is approximately 0.899 L.
1, The value for solution in root tissue was found to be -3.3 bars. If you take the Root tissue and place it in a 0.1M solution of sucrose at 20°c in an open beaker. What is the solution of and in which direction would the net flow water be?
2, NaCl dissociate into 2 particle in water Na and Cl. If the solution in question 1 contained 0.1M NaCl instead of 0.1M sucrose. What is the solution of and in which direction would the net flow water be?
If the root tissue with a solution value of -3.3 bars is placed in a 0.1M NaCl solution at 20°C in an open beaker, the net flow of water would be from the NaCl solution to the root tissue.
What is the net flow of water?When the root tissue with a solution value of -3.3 bars is placed in a 0.1M solution of sucrose at 20°C in an open beaker, the net flow of water would be from the root tissue to the sucrose solution.NaCl dissociates into Na+ and Cl- ions in water, so the effective concentration of particles in the solution would be 0.2M (0.1M Na+ and 0.1M Cl-). This means that the solution potential of the NaCl solution would be lower than that of the sucrose solution, as it has a higher solute concentration.
Therefore, if the root tissue with a solution value of -3.3 bars is placed in a 0.1M NaCl solution at 20°C in an open beaker, the net flow of water would be from the NaCl solution to the root tissue. Water will move from an area of high concentration (NaCl solution) to an area of low concentration (root tissue) in order to reach equilibrium.
The exact value of the water potential in the NaCl solution will depend on its concentration and temperature, but it will be lower than -3.3 bars.
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What is the difference (in structure and/or function) between the adrenal glands and the suprarenal glands?
Answer:
The adrenal glands, also called suprarenal glands, are a pair of glands occurring on the top of kidneys and produce different steroid hormones. Adrenal glands consist of two distinct structures; the adrenal cortex and adrenal medulla, both of which are different in structure as well as functions.
