Proper functioning of our digestive system is due to the presence of Fiber/roughage in our diet.
Explanation:The consumption of roughage, or fiber, has long been recommended as a way to alleviate digestive issues, such as constipation. However, it also plays a number of other critical roles in the body as well. As an example, plant foods are rich in fiber that can promote optimal gut health, keep you at a healthy weight, and even reduce your risk of heart disease. This is because they provide a healthy source of roughage.
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What is gravity’s role in plate tectonics?
Answer:
Gravity causes them to slide downwards
gravity causes
1. everything to be pulled to the center
2. earth's tectonic plates to move
3. one plate to go under another plate
4. the plate that went under to go into the mantle
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What happens when the number of organisms in an environment is higher than the carrying capacity? A. The population will increase slowly. B. The population remains the same. C. The population will increase quickly. D. The population will decrease.
Answer:
When the number of organisms in an ecosystem exceeds the carrying capacity, the population will decrease.
Please see the explanation!
Explanation:
The maximum that can be maintained forever is the concept of "carrying capacity." This can only be rationally understood as the highest number that can be maintained using exclusively renewable resources. It can only be exceeded by using resources more quickly than they can be replenished.
The population gets wiped out (not by old age mortality) back to the number that can be maintained using only renewable resources when those resources become limited, as they must by definition.
Remember that every population is trying to expand, therefore if a species finds a resource that it can use more quickly than it replenishes, the population will undoubtedly expand to use that newly discovered capability. Another way to put this is to say that when the species average is x newborns and the subsistence supply is steady, (x-2)/x children must perish. Less offspring must perish than the formula predicts when the species finds a new non-renewable source of food, increasing the subsistence supply.
It should be noted that there are plainly too many people in the world. Over the past few hundred years, we have developed various technologies that have increased subsistence extraction and decreased waste. Of course, we have multiplied to occupy that additional space. In order to provide enough food to sustain 7+ billion people at once, we need fossil fuels and a number of other resources that do not replenish as quickly as we use them. The last time humanity were able to maintain their population on exclusively renewable resources, there were less than 1 billion people. Be aware that we have never been able to raise subsistence production as quickly as we have sought to increase our population. We have always had an average of too many infants, as seen by the starvation-related child mortality that affects some populations.
Thank you,
Eddie
The monomer of DNA is composed of what three parts
A monomer of DNA is composed of nitrogenous base, a pentose sugar and a phosphate group.
What is the composition of DNA?A DNA molecule is made up of several repeating units called nucleotides.Each nucleotide is made up of 3 parts: base, sugar and phosphate.Nitrogen bases are cyclic carbon compounds and are of two types: Purines (Adenine and Guanine) and Pyrimidines (Cytosine and Thymidine).Purines bond with pyrimidines to form double helix of DNA.The sugar has pentose structure and is deoxyribose as it lacks 2’- OH group.The 1’ Carbon of sugar is attached to the 9’ nitrogen of purine or 1’ nitrogen of pyrimidine by glycosidic bond.The 5’ carbon of sugar is attached to phosphate group.The phosphate group is pentavalent with a double bonded oxygen and three single bond hydroxyl molecules.Learn about genetic material here:
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Examine the Role of Lipids in Your Body Fat around organs phospholipids
Lipids are organic compound that are insoluble in water.
Lipids are derive from and give eg of lipids?
Lipids are derivative of fatty acids the example of lipids are oils, wax and steroids.
Role of lipids are:
1)They fuctions as store house of energy.
2) They are important signalling molecules
3) They serve as structural components of cell membranes.
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Phospholipids are essential structural components of brain and nervous tissue, of membranes throughout body tissues, and of lipoproteins—the runners of cholesterol and fats in the blood.
What is the role of fat and lipids in the body?
Within the body, lipids serve as an energy reserve, control hormones, transmit nerve impulses, cushion vital organs, and transport fat-soluble nutrients. Fat in food serves as an power source with high caloric thickness, adds texture and taste, and donates to satiety.
What are 4 functions of lipids in the body?The Roles of Lipids in the Body
Storing Energy. The extra energy from the food we eat is digested and incorporated into adipose tissue, or fatty tissue.Handling and Signaling. Insulating and Protective.Helping Digestion and Increasing Bioavailability.To learn more about Lipids , refer
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How can scientist explain our ability to feel empathy? Can evolution explain the types of group’s primates will organize themselves in? What is different about Homo sapiens from other non-human primates? Does this explanation make sense to you? Why or why not?
Empathy is a feeling that, in short, represents the ability to put yourself in the other person's shoes. This encompasses thoughts, actions or feelings regarding whatever subject is being addressed.
Can evolution explain the types of primates in the group into which they will organize themselves?As they age, the saddles become larger and eventually cover most of their backs. The most common social group pattern among semi-terrestrial primates is the multimale-multifemale group. With this pattern, there are no stable heterosexual bonds--both males and females have a number of different mates.
How is Homo sapiens different from other non-human primates?Upright posture, arms shorter than legs, extraordinary brains. While the natural "lottery" acted on these and other characteristics, primitive man climbed a new rung of the evolutionary scale. "In evolutionary terms, it is important to think that it is not adaptation that arises to respond to environmental needs; a variation happens and the environment ends up favoring it"
With this information, we can conclude that We are all descendants of Homo sapiens that originated in Africa. Thanks to genetics, we know that all Homo sapiens are descended from an African woman who lived about 200,000 years ago.
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How would breathing be affected if a bullet makes a hole in the thoracic cavity?
If a bullet makes a hole in the thoracic cavity then that can cause air to enter the pleural cavity directly from the outside.
The second-largest hollow region in the body is the thoracic cavity, often known as the chest cavity. The sternum, or breastbone, the spinal column, and the ribs encompass it. The diaphragm, a muscular and membrane wall, separates it from the abdominal cavity, the body's largest hollow region.
Organs and tissues that are involved in the immune (thymus), cardiovascular (heart, pericardium, great vessels, lymphatics), nervous (vagus nerve, sympathetic chain, phrenic nerve, recurrent laryngeal nerve), respiratory (lungs, bronchi, trachea, pleura), and digestive (oesophagus) systems are found in the thoracic cavity.
The sternum, ribs, thoracic vertebrae, and diaphragm all surround the area of the thoracic cavity. The mediastinum and the chest cavity, where the lungs are located, comprise one compartment.
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IUPAC name of 2,2,3-trimethyl butane
Answer:
Triptane molecular formula C7H16question is up there
(question b)
Answer:
group and 70/you have received your email
Name each structure
Answer:
The organ is the female reproductive organ , the uterus
and the green arrow points to the cervix
The image below shows the process of DNA replication. Identify the components of the process
Answer:
See below.
Explanation:
The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication.
A double helix of two complementary strands makes up DNA. These strands are split apart in the replication process. The method of semi-conservative replication uses each strand of the original DNA molecule as a template to create its counterpart.
This process is carried out by several enzymes which are listed below along with their activity
__
DNA Dependent DNA POLYMERASE is a class of enzymes that is responsible for all organisms' DNA replication processes. It accelerates DNA replication in the 5′ to 3′ range.The enzyme known as TOPOISOMERASE is involved in the over- or under-winding of DNA.HELICASE—Using the energy from ATP hydrolysis, which is characterized by the breakdown of hydrogen bonds between annealed nucleotide bases, helicases are frequently employed to separate the strands of a DNA double helix or a self-annealed RNA molecule.DNA GYRASE, a particular kind of topoisomerase, relieves strain caused by DNA helicase's unwinding action.DNA LIGASE- Joins the OKAZAKI FRAGMENT of the lagging strand and re-anneals the semi-conservative strands.PRIMASE - Primase catalyzes the production of a short primer, which is a ssDNA template-specific piece of RNA (or DNA in other species).REPLICATION FORK -
INITIATION: The beginning of DNA replication takes place at certain locations in DNA known as ori-sites or regions. Enzymes often recognize these locations and initiate the process. As opposed to C-G base pairs, which produce three hydrogen bonds, A-T base pairs only form two hydrogen bonds, making them easier to strand split. As a result, these sites are typically "AT-rich" (rich in adenine and thymine bases). Following the discovery of the origin, enzymes create a pre-replication complex that unzips the double-stranded DNA. The enzyme topoisomerase is involved in this process. ELONGATION: The 5'-3' activity of the DNA polymerase enzyme. Now, a new strand was created by DNA polymerase enzymes in the direction of 5′ to 3′ (note: the DNA template is read in 3' to 5' direction). RNA primers were simultaneously created by the primase enzyme and utilised by the polymerase to create new strands of RNA.Due to the 5′ - 3′ orientation of the DNA polymerase enzyme, two types of strands are formed.
LEADING STRAND - A DNA polymerase with high processivity that has the direction 5′ - 3′ (template strand 3′-5′) extends the continuous strand from the primer in the same direction as the replication fork that is expanding. One RNA primer is applied to the leading strand. LAGGING STRAND - It is the discontinuous strand whose synthesis is going in the opposite direction of the replication fork that is developing. Each primer extends the lagging strand intermittently to create Okazaki fragments. A low processivity DNA polymerase that is different from the replicative polymerase enters to fill the gaps after RNase eliminates the priming RNA pieces. Multiple primers are applied to the lagging strand, and then the Okazaki fragments are joined by the ligase enzyme, filling in the gaps.TERMINATION - Replication forks meet and end at several locations throughout the chromosome because eukaryotes start DNA replication at various locations; it is unknown how these are controlled. Termination necessitates the halting or blocking of the DNA replication fork's forward motion. When termination occurs at a particular locus, it includes the interaction of two elements: (1) a DNA sequence known as a termination site sequence, and (2) a protein that binds to this region to actually cease DNA replication.- Thank you.
Bb mates with BB?
Select one:
O a. All of the offspring will exhibit the
recessive trait.
O b. The dominant trait will show up in
about 75% of the offspring.
O c. All of the offspring will exhibit the
dominant trait.
O d. The recessive trait will show up in
about 50% of the offspring.
In complete dominance, the dominant alleles hide the expression of the recessive allele. Option C. All of the offspring will exhibit the
dominant trait.
What is complete dominance?
Complete dominance occurs when one of the alleles -the dominant one- completely hides the expression of the other allele -the recessive one- in heterozygous individuals.
Cross: BB x Bb
Gametes: B B B b
F1)
50% of the progeny will be homozygous BB
50% of the progeny will be heterozygous Bb
100% of the progeny will express the dominant trait.
The correct option is C. All of the offspring will exhibit the dominant trait.
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Name three methods of disrupting cells before fractionation
Extraction, homogenization, and centrifugation are the three processes in cell fractionation.
Cell fractionation is a method for dividing cellular components while yet maintaining each component's unique functionality. This technique was initially applied to show where distinct biochemical activities are located within cells. Subcellular fractionation is also used to help with illness detection and to offer an enhanced source of protein for further purification. To prevent osmotic damage, tissue is routinely homogenized in an isotonic buffer solution. Grinding, mincing, chopping, pressure changes, osmotic shock, freeze-thawing, and ultrasonic waves are a few of the mechanisms for homogenization. After that, the samples are maintained cool to avoid enzymatic deterioration. It is the development of a uniform mass of cells (cell homogenate or cell suspension).
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machenical methods(french press... ' ultra sound and bead mill
enzymatic method
chemical method(detergents and solvents)
Explanation:
Name one salivary gland in humans
Salivary gland in humans ;
1) Sublingual glands
2) Submandibular glands
3) Parotid glands
Answer:
One salivary gland in humans is Parotid glands.
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help now look at the picture
C
Weathering and erosion break down rocks back into sediment. heat and pressure makes metamorphic rocks
Part C
AP wave is a type of seismic wave called a longitudinal wave, or pressure wave. Longitudinal waves occur when the
material that carries the wave is compressed and stretched. Aside from seismic waves, what is an example of a
longitudinal wave that you have observed?
Answer:
Sound wave is an another example of longitudinal wave. Sound wave is a vibration that is transmitted through a medium, such as air, water, and metals. Ultrasonic wave is defined as “inaudible sound with high frequency for human” the frequency of which generally exceeds 20 kHz. These days, sound wave which is not intended to be heard is also called ultrasonic wave.
Answer: A wave traveling through a compressed spring or a sound wave traveling through the air are examples of longitudinal waves.
Explanation: Simple answer from Edmentum
In the water cycle shown below, which process is happening at step 3? precipitation
melting
evaporation
sublimation
Answer:
melting
Explanation:
because the water has got its freezing ponit
Answer: A: precipitation
Explanation: it is raining took the test this is the right answer
Which best explains the relationship between flying dragons and trees?
a.
Flying dragons rely on trees for a food source, but not for shelter.
b.
Flying dragons live exclusively in trees except to lay eggs.
c.
Flying dragons burrow into the tree without causing damage to the tree.
d.
Flying dragons use trees for reproduction, but get their food and shelter on the ground.
Please select the best answer from the choices provided
A
B
C
D
Answer:
b.
b.Flying dragons live exclusively in trees except to lay eggs.
Which of the following groups of organisms contains a cell wall?
I. Plantae
II. Animalia
III. Fungi
IV. Eubacteria
list the development from secondary oocyte to birth
Which of the following are NOT criteria for the definition of a species? A. Produce fertile offspring B. Can Interbreed C. Share physiological characteristics D. Has the same DNA sequence
Answer:
C) Physical characteristics.
Explain in your own words why there is uncertainty in science. What can scientists do to reduce uncertainty in science?
There is uncertainty in science because of limited technology of the time.
Why there is uncertainty in science?Uncertainty is critical for science because it compels the scientists to engage in new investigation and research. It is very important to rather it means an absence of certainty in science which is okay because uncertainty of science leads to new investigations, experiments and researches. With the passage of time, our technology get advanced day by day which leads to new discoveries and inventions.
So we can conclude that there is uncertainty in science because of limited technology of the time.
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Drag each tile to the correct location.
Sort the statements based on whether they describe the lives of small stars, large stars, or both.
The correct location of each tile is as follows:
Small stars - It becomes a white dwarf when fusion endsSmall stars - It can fuse hydrogen for billions or trillions of yearsLarge stars - It may turn into a black hole at the end of its lifeLarge stars - It becomes a neutron star after the supernova phaseBoth - It increases in size when core hydrogen is used upWhat are stars?Stars are large celestial bodies which produce heat and light energy as a result of the nuclear reactions occurring within the core of the stars.
Stars are composed mostly of hydrogen and helium gas which undergo nuclear fusion reactions.
Stars have lifespans, and the fate of the star at the end of its lifespan depend on whether they are small or large stars.
The correct description and as such location of each tile is as follows:
Stars that become white dwarves when fusion ends are Small stars.
Stars that can fuse hydrogen for billions or trillions of years are Small stars.
Stars that may turn into a black hole at the end of their lives are Large stars.
Stars that become a neutron star after the supernova phase are Large stars.
Both Large and small stars increase in size when core hydrogen is used up.
In conclusion, stars produce heat and light energy by means of fusion reactions.
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the steady state theory proposed what?
A- that the density of the universe was getting bigger
B - that the density of the universe was remaining constant
C- that the density of the universe was getting smaller
D- the universe has no density
what is Hubble law ?
A- the most distant the galaxy the faster it is moving away from us
B- the more distance the galaxy the slower it is moving away from us
C- the closer the galaxy the faster it is moving away from us
D- the galaxies are not moving at all
blueshift means what?
A- an object is moving away from you
B- an object is approaching you
C- an object is not moving
D- an object is blue
which of the following did not detect the cosmic microwave background radiation?
A- Hubble space telescope
B- COBE
C- WMAP
D- penzias and wilson
Explanation:
1)steady-state theory, in cosmology, a view that the universe is always expanding but maintaining a constant average density.so the answer is B
2)Hubble's law, also known as the Hubble–Lemaître law or Lemaître's law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance.so the answer is A
3)B
What is a change in the DNA sequence that can be beneficial harmful or niether ?
Answer:
A mutation
What can cause changes in a DNA sequence?
A mutation is a change in the DNA sequence. There are several different methods by which mutation happens. Of course, chemically produced mutations receive the most media attention. There are a wide range of substances that can cause mutations, usually by attaching to the DNA and causing it to break, requiring an incomplete repair, or by preventing DNA replication, forcing the replication machinery to repeat the DNA poorly.
However, other factors, such as exposure to radiation or light, can also cause DNA mutations. In reality, UV and X ray light are known to cause mutations by changing the DNA's base composition or causing DNA breaks.
Mutations are also spontaneously caused by DNA replication. Although it occurs extremely infrequently, the replication complex does occasionally make mistakes and insert the incorrect DNA base, which leads to a significant amount of mutations over the course of generations.
Thank you,
Eddie
A mutation in the DNA sequence can be beneficial, harmful, or neither, depending on its impact on the organism.
Mutations—changes in the DNA sequence—can affect an organism. Mutations that improve survival and reproduction are helpful. Mutations can make an organism disease-resistant or adaptable.
Mutations can affect the organism's health or fitness. Mutations can cause genetic diseases, diminished fertility, and lower survival rates. Neutral mutations don't affect the organism's phenotypic or fitness. They may occur in non-coding DNA or silently modify the genetic code, leaving the amino acid sequence of a protein untouched.
Mutations' effects depend on their genomic location, gene function, and environment. Some mutations help evolution and adaptability, whereas others harm individuals or populations.
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According to the fluid-mosaic model of a cell membrane, the main component of a membrane is:______
Answer:
phospholipids
Explanation:
phospholipids are a type of lipid that make up the cell membrane they are amphipathic meaning they have both hydrophobic parts which do not readily mix with water and hydrophilic parts which mix with water
Phosphorous (P) and chlorine (Cl) bond covalently to form the important industrial compound phosphorous trichloride. The diagrams below show the electron structures of phosphorous and chlorine. On left, a purple circle labeled P surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The second circle has 8 small green spheres. The third circle has 5 small green spheres. On right, a purple circle labeled C l surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The middle circle has 8 small green spheres. The outer circle has 7 small green spheres. Which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule? At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 2 lines at left to C l with 2 dots each above, left. Also connected by 2 lines at right to C l with 2 dots each above, right. At center, P connected above by 1 line to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. P also has 2 dots below. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below. Also connected by 1 line at right to C l with 2 dots each above, below.
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry.
What is the structure of a molecule?We know that a molecule is made up of atoms, the atoms that make up a molecule are arranged in a definite pattern. The pattern that these atoms are arranged along with the positioning of electron pairs around the central atom is what determines the shape of the molecule.
Now we know that the phosphorous trichloride molecule is composed of one atom of phosphorus and three atoms of chlorine which are all held by covalent bonds.
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry. The small green spheres shows the electrons that surround the chlorine atom.
The correct structure of the phosphorous trichloride have been shown in the image attached to this answer.
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Choose any one of these properties of blood homeostasis to describe how and why substances in the blood and filtrate are secreted or reabsorbed.
Description:
The nephron uses the process of urine formation to maintain blood homeostases, such as pH balance, blood pressure, and osmotic pressure. Figure 1 shows the transport of substances between the filtrate in parts of the nephron and the blood in capillaries.
The substances in the blood are reabsorbed due to its usage in our body whereas the filtrate are secreted due to its harmful nature.
Describe how and why substances in the blood and filtrate are secreted or reabsorbed?The filtrate absorbed in the glomerulus and flows through the renal tubule, where nutrients and water are reabsorbed into capillaries that are used by the body in different processes. During this process, the waste and hydrogen ions pass from the capillaries into the renal tubule which is called secretion. Kidney is the organ where the absorption of nutrients and removal of waste from the blood occur.
So we can conclude that substances in the blood are reabsorbed due to its usage in our body whereas the filtrate are secreted due to its harmful nature.
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Which of the following would NOT affect a baby's size?
A. Both parents are very small.
B. The father eats poorly during the pregnancy.
C. Mother smokes while pregnant.
D. The mother eats poorly during the pregnancy.
Reset Selection
Answer:
B
Explanation:
What the father eats would not affect the size of a baby
Propose five ways in which the government can ensure that the help it offers is received only by the people who are in need?
As the Sustainable Development Goals (SDGs) were being approved in late 2015, my colleagues here at ODI delivered the Projecting Progress scorecard.
What are five ways the government can guarantee that the help it offers is obtained only by the people who are in need?By encouraging the need to create cooperatives throughwhich the country can be funding them.By working with the church to identify the weak in the society so that the required help can go to the right people.By forming commitees that should be glancing at the need in the community Ensure governments and supporters have a formal process to track, review and debate progress towards achieving the ‘leave no behind’ agenda. pretending to be needy.Prioritise policies that target those most at risk, orient financing towards them, and deliver better data
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how does afforest station help to balance environment
Explanation:
The ever and ever increasing demand for wood fuel, gas, timber, building materials, and many other consumer products are exerting more and more pressure on the earth’s natural resources, living organisms, and natural cycles responsible for maintaining a balance on earth.
Natural resources such as the water systems, fertile soil, clean air, vegetation cover, wildlife, indigenous plant species, and natural cycles such as the oxygen and nitrogen cycles, and food chains need trees for their continuity and balance.
Explanation:
afforestation makes the earth a better place by reducing the carbon footprint or carbon dioxide in the atmosphere
