Answer:
Protect each other from predators.
Explanation:
If the conservative model had been correct, how many generations of bacterial cell division would have had to pass before meselson and stahl would have observed evidence of a band in the cscl gradient corresponding to a hybrid dna molecule containing both 14n and 15n?.
If the conservative model had been correct, No generations; a hybrid would never form had to pass before meselson and stahl would have observed evidence of a band in the cscl gradient corresponding to a hybrid dna molecule containing both 14n and 15n.
What is the Meselson and Stahl experiment about?
In 1958, Matthew Meselson and Franklin Stahl using three models of conservative, semi conservative and dispersive of how organisms might replicate their DNA for their experiment were able to show that each strand in a DNA molecule serves as a template for synthesis of a new, complementary strand.
Here's the complete question:
If the conservative model had been correct, how many generations of bacterial cell division would have had to pass before Meselson and Stahl would have observed evidence of a band in the CsCl gradient corresponding to a hybrid DNA molecule containing both 14N and 15N?
A) 1 generation
B) 4 generations
C) More than 10 generations
D) No generations; a hybrid would never form.
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the respiratory system and the system equally share the responsibility of supplying oxygen to, and eliminating carbon dioxide from, the body’s cells.
The respiratory system and the cardiovascular system equally share the responsibility of supplying oxygen to and eliminating carbon dioxide from, the body’s cells.
In both animals and plants, the respiratory system is a biological system made up of particular organs and structures that are employed for gas exchange. Depending on the size of the organism, its habitat of residence, and its evolutionary background, the anatomy and physiology that cause this vary widely. The heart, blood, and blood vessels make up the body's cardiovascular system (arteries and veins).
The medical specialty that focuses on the cardiovascular system is known as the heart and vascular services. Both the respiratory system and the cardiovascular system deal with the movement of oxygen throughout the body. Both systems are engaged in eliminating waste products, specifically carbon dioxide, from the tissues and ultimately from the body.
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you are working with strains of zymomonas mobilis to select the best strain for bioethanol production. you are trying to find the strain that requires the shortest time to grow. if the strains have the following growth rate constants, which would you choose to meet your criteria?
Whatever number is the highest, is the one you choose while i am working with strains of zymomonas mobilis to select the best strain for bioethanol production.
Zymomonas mobilis is a Gram negative, facultative anaerobic, non-sporulating, polarly-flagellated, rod-shaped bacterium. It is the only species found in the genus Zymomonas mobilis . It has notable bioethanol-producing capabilities, which surpass yeast in some aspects.
However, ethanol produced from renewable energy sources is one of the most promising bioethanol for the future. Although bioethanol fuels can be manufactured using the chemical reaction between ethylene and bioethanol, it is mainly produced through fermentation of sugars derived from crops containing starch, such as corn, wheat, sugar cane, sorghum plants, etc.
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Write about one example of a positive feedback in the human body. Name what the stimulus is and how the response impacts this stimulus. Someone please help me with this assignment
Answer:
reproduction
Explanation:
Basically a positive feedback in the human body is bedroom reproduction. got em
A student hypothesizes that the solute concentration of grape juice is higher than the solute concentration of the actual grape because the grape juice has added sugar. Based on the data in table 1, which of the following best evaluates the student's hypothesis?
The sentence that best evaluates the student's hypothesis is-
The hypothesis is not supported because the mass of the grape increased in grape juice.
What is mass?A physical body's mass is its total amount of matter. Inertia, or the body's resistance to acceleration (change of velocity) when a net force is applied, is also measured by this property. The gravitational pull an object has on other bodies is also influenced by its mass.
The kilogram is the fundamental mass unit in SI. Although mass is frequently determined by measuring an object's weight on a spring scale rather than a balance scale and directly comparing it with known masses, mass and weight are not the same things in physics. Although there is less gravity on the moon than there is on Earth, an object would still have the same mass.
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What do chutney soca monarch, calypso monarch, and panorama events have in common?.
a.They are all modern indigenous Tano customs that are exclusive to Trinidad Island.
b. They are all solely descended from the Tassa genre of Indo-Trinidad.
What does the name "chutney soca," a Trinidadian musical style, mean?Drupatee Ramgoonai of Trinidad and Tobago originally used the name "chutney soca" in her first album, Chutney Soca, which mixed Trinidadian English and Trinidadian Hindustani versions of the songs. She spelled the term "Chatnee Soca" because the modern spelling of the word had not yet been established.
Who is the chutney music king?By incorporating western guitars and early electronics into his music, Sundar Popo revolutionized the genre. Although Sundar Popo came to be recognized as the "King of Chutney," a singer from the town of Felicity, Chaguanas, by the name of Lakhan Kariya, established the art of singing songs in the "Chutney" style before Popo.
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Questions on The excretory system
The excretory system is a passive biological system that removes excess, unnecessary materials from an organism's body fluids in order to help maintain internal chemical homeostasis and prevent body damage.
The excretory system is what?Organs of the human excretory system enable the elimination of nitrogenous wastes from the body. The kidney, ureter, urinary bladder, and urethra are the primary excretory organs. Blood is filtered through the kidneys, and the result is urine.
The answers are follows
The first claim is accurate since diabetes either results in insufficient insulin production or insufficient insulin use by the body. Without insulin, blood glucose levels rise to an unmanageable level that your kidneys are unable to filter and reabsorb.The kidneys receive oxygenated blood from the heart through the renal artery.We discovered that the concentration of urea may be higher in the renal vein than in the renal artery after fruitless attempts to gauge the blood flow rate through the kidney.Nitrogenous wastes are typically present in the deoxygenated blood that passes through the renal vein.More glucose is found in the renal artery than the renal vein.To know more about excretory system, refer
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Help!!!! 55 points!!! Quickly!!
Answer:
1. Their tails are turned towards them to prevent hydrophobic tails from coming into contact with the water
2. The unsaturated fat has double bonds in the fatty acid chain
Explanation:
A pick up line( school appropriate) about cytoskeleton
explain importance of water potential gradient and osmosis in uptake and loss of water
Answer:
Mark Brainliest
Explanation:
If the water potential around the plant cell is high, water enters the cell via osmosis. (Movement of water molecules from a region of higher concentration to a region of lower concentration). Hence, the plant cell is turgid (swollen or full of water) now. Having a turgid plant cell is very important as turgidity of a cell prevents the plant from wilting as the cell is firm. Also, a turgid cell pushes the guard cells open (a flaccid cell doesn't as it is limp) and allows gas exchange for photosynthesis and respiration.
Both water potential gradient and osmosis are important for the overall development of plants.
What are the importance of water potential and osmosis in plants?For photosynthesis to occur, plants use water potential to move water to the leaves. The difference between the potential in a specific water sample and pure water is known as the "water potential," which is a measurement of the potential energy in water.
Osmosis aids in preserving the water content of plant cells. It is a technique that enables plants to retain water despite ongoing water loss. It gives the plant body's softer cells a turgidity. Water is absorbed by root hairs from the soil by osmosis. It regulates the movement of water from xylem components to surrounding cells.
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The below sequence is RNA? How do you know?
To know a sequence is RNA chain is decided by the complementary base-pairing between incoming nucleotides and therefore the deoxyribonucleic acid.
Ribonucleic acid (abbreviated RNA) may be a macromolecule gift altogether living cells that has structural similarities to deoxyribonucleic acid.
Unlike DNA, however, RNA is most frequently fiber associate RNA molecule features a backbone made from alternating phosphate teams and therefore the sugar saccharide, instead of the carbohydrate found in deoxyribonucleic acid.
DNA utilizes four bases, purine (A), purine (G), C (C), and T (T), in its code. RNA conjointly uses four bases. However, rather than victimization 'T' as deoxyribonucleic acid will, it uses U (U). Therefore, if your deoxyribonucleic acid sequence is 3' T C G T T C A G T 5', the ribonucleic acid sequence would be 5' A G C A A G U C A 3'.
As in deoxyribonucleic acid replication, the ester sequence of the RNA chain is decided by the complementary base-pairing between incoming nucleotides and therefore the deoxyribonucleic acid
example once an honest match is created, the incoming ribonucleotide is covalently coupled to the growing RNA chain in associate enzymatically catalyzed reaction.
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Questions on The excretory system
The proximal convoluted tubule is located within the renal cortex and is continuous with the capsular space. The straight proximal tubule (or thick descending limb) extends down into the medulla. Both parts are composed of simple cuboidal epithelium, rich in mitochondria and microvilli (brush border).
Medulla of the Kidney?The adult renal medulla, or interior of the kidney, is made up of the vasa recta, the interstitium, the loops of Henle, and the medullary collecting ducts. For the control of urine concentration and other specialized kidney activities, the specific spatial configuration of these components is crucial.The tissue that makes up both kidneys' central and inner parenchyma is known as the renal medulla. Renal pyramids are located in the renal medulla, where waste is gathered and eliminated.
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2 What type of chemical reaction is involved in the formation of disulfide bonds?
A condensation
B hydrolysis
C oxidation
D reduction
Which is the application of scientific knowledge to solve problems or create new products?
curiosity
technology
inquiry
geology
NEED HELP ASAPPPP!!!!!!!!!!!
According to the research, the correct option is technology. Technology is the application of scientific knowledge to solve problems or create new products.
What is Technology?It is a knowledge that comes directly from the field of science to achieve a solution that allows human beings to solve a given problem.
In this sense, it is a process that uses a combination of scientific knowledge, in the design and definition of procedures to build new products or give it another function.
Therefore, we can conclude that technology is the application of a set of scientific knowledge to satisfy a need in a specific field.
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What does like a trees growing on that side?
Answer:
in order to answer that, you have to provide more information about your question
A company has developed a detergent that disrupts biological membranes by mimicking the structure of their phospholipids. It is most likely that the active ingredient.
The active ingredient of a detergent that disrupts biological membranes by mimicking the structure of their phospholipids is a type of molecule that contains polar and hydrophobic non-polar sequences capable of inserting into the cell membrane in order to break connections among phospholipid molecules.
What is the cell membrane?The cell membrane is a bilayer mainly composed of phospholipids molecules, which are formed by phosphate heads that are polar and fatty acid chains that are hydrophobic and non-polar. We can break bonds in the cell membrane by using detergent molecules capable of inserting into it.
Therefore, we can conclude that the cell membrane can be disrupted by molecules that are similar to its phospholipids in order to be inserted into it.
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I want to help me with questions
A rubber ball dropped from a certain height has constant uniform acceleration due to gravity. Therefore, rubber ball dropped from a certain height is an example of uniform acceleration.
Elastic potential energy causes a ball to bounce as it is transformed into kinetic energy, which then brings the ball back up. However, the ball does not get high as in the start, because some of its energy is transferred to the floor or into sound.
And also, as the ball hits the ground, or a table, it changes shape for a split second, even though we don't see it. This also requires energy.
Therefore, we can observe that the height of each bounce is a little less than the previous one. Some of the kinetic energy of the ball is retained, when it strikes the floor but all the other is transformed. It loses a bit of its kinetic energy every time the ball bounces and after that it ceases to bounce after several strikes.
While playing tug of war, one person pulls the rope to the left with 50N force and another pulls to the right with 65N force.
A rope will have same tension throughout even when forces acting on both ends are different when the rope considered is massless and inextensible. The rope does not exert any force other than tension. As the tension on an ideal rope is uniform, the forces ( although not same) produce uniform tension.
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Would hurricane-force winds along a coastline produce wind related erosion?
An hurricane-force wind can be seen as the strongest wind and one that is greater than 72 miles per hour (32 meters per second), but is not necessarily a hurricane.
What is the Effect of hurricane- force winds on coastline?The greatest threat to life and property along the shore is by far the coastal flooding brought on by hurricanes, which may be just as fatal and equally destructive to property as wind.
Significant wind erosion occurs when strong winds travel across light-textured soils that have been severely grazed during droughts. Wind erosion is a natural phenomenon.
Therefore an hurricane-forced wind can produce wind related erosion
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First person to help get brainliest
what might an engineer need to consider when designing a heating/cooling system for a home in a cooler climate?
How might the design differ for a house found in a warmer climate?
An engineer might need to use passive construction when designing a heating and cooling system for a home in cooler climate and hot climates.
The engineers should ensure that he constructs a passive housing system. Windows in the living room must face true south or within 30 degrees of it according to passive design.
Any way of heating or cooling a home that doesn't involve energy input from the occupants or a mechanical device is considered passive heating and cooling.
To use passive heating, all of your doors and windows must be absolutely airtight. You should have double-paned or triple-paned windows since badly built ones will allow the heat from the sun to just flow back out. The ability of the window to retain internal heat and keep out outside air improves with the number of layers of glass.
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pongids: a. are incapable of walking bipedally b. can walk bipedally only by holding on to branches with their arms c. are capable of bipedal locomotion, but inefficiently d. are, in fact, habitually bipedal
One of the earliest adaptations made by hominids was bipedalism, and there are several theories as to how the human ancestors acquired it. One of them claims that after a group of our ancestors started living in Savannah habitats, bipedalism emerged (open areas covered with grasses). The Savannah lineages didn't have many trees to climb, so the upright posture let them see predators in the distance. Other lineages remained in the forests, where they could use the treetops and branches for protection and to collect food.
The second theory links the use of tools to the evolution of human bipedalism. The two forelimbs are free to explore the environment, aid in the use of tools, and even gather food while moving because a species does not move on all four limbs.
With this knowledge, we can conclude that bipedalism gave the human race a free arm to build technology and allowed them to move more slowly while walking, among other benefits.
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what is the treaty, now signed by over 136 countries, that lists almost 700 species that cannot be commercially traded as lives specimens or wildlife products because they are endangered or threatened?
C.I.T.E.S. is the treaty signed over by 136 countries , listing 700 species cannot be traded because of endangered or being threatened.
What is species and what is endangered species and what C.I.T.E.S. states?Species is the smallest unit of taxanomy hierarchy, representing lot of characters similar and common.Endangered species are the ones that are threatened to be extinct but are not , so they are under protection .C.I.T.E.S. the convention on international trade in endangered species states the protection of threatened species.It is basically a treaty ensuring the international trade of animals and pants do not disturb the species.Hence C.I.T.E.S. is the treaty signed by over 136 countries listing 700 species that cannot be commercially traded.To know more about species visit:
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as the human population has increased, the result on natural capital has been . group of answer choices increasing biodiversity decrease in waste production increasing the use of net primary production by humans increasing available renewable resources. increasing natural predators
Which of the following structures in recombinant DNA contains unpaired overhanging nucleotides after DNA is cut with a restriction enzyme?
A. DNA library
OB. Sticky ends
OC. Blunt ends
OD. DNA ligase
Answer:
OB
Explanation:
it's called sticky ends.
What is the evidence of climate change do to sea level rising?
Answer:
The first effect of the rising global temperature is that as oceans warm, seawater expands, taking up more space in the basin and causing the level of the ocean to rise. Secondly, ice melts on land, adding water to the ocean.
Explanation:
Need help asap please
(a) Organelle responsible for detoxification of alcohol in all three samples:
Smooth endoplasmic reticulum
(b) Lysosomes remove the damaged part of organelles.
(c) Steps involved are:
Autophagy is the process which allows body to break down and also reuse old cell parts so that cells operate efficiently. It's a natural cleaning process that begins when cells are deprived of nutrients.
Smooth endoplasmic reticulum helps in detoxifying poisons and drugs in the liver.
Lysosomes are the vesicles that digest excess or worn out organelles, food particles. The membrane surrounding a lysosome prevents the digestive enzymes from destroying the cell. It is an acidic, membrane-bound organelle .The degradation is carried out by hydrolytic enzymes present within the lysosome.
Process by which old organelles and malfunctioning cellular parts are removed from a cell is called Auto phagocytosis. Initially, they are enveloped by internal membranes that then merge with lysosomes
Natural process that involves breaking down damaged or unwanted components in a cell and also reusing the for the formation of new cells is called Autophagy . It helps in keeping the cells healthy.
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Please help
Which position shows the sun setting?
3
1
4
2
Position 3 in the image shows the setting of the sun as it is towards the West direction.
Sun is a large ball of fore and hence is very hot. The sun is actually a star but is the closest to the Earth and hence appears very large. It is the center of the solar system. The sun is also the source and light and energy for Earth. It rises in the East and sets in the West.
Direction in science is the location of any object. It is a relative term where the location of an object is described in relation to another object. The universal directions used on the earth are: East, West, North and South. These are also called cardinal directions.
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The presence of abnormally low concentrations of protein in the blood is known as.
A person with hypoproteinemia has very low quantities of protein in their blood.
What are proteins?Each and every component of the human body depends on proteins. Nearly all important organs and tissues, including bones, muscles, and skin, contain them. Protein is a nutrient that must be obtained from food for the body to survive and function. Protein cannot be long-term stored by the body for use in the future, so people must take enough of it daily to provide their bodies what they need to function properly.
What is the cause of hypoproteinemia?In industrialized nations where the majority of people eat a well-balanced diet, hypoproteinemia is unusual. However, those with particular medical disorders or those who consume diets low in protein run the risk of developing the illness.
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If the concentration of glucose was equal inside and outside of the cell, do you think
there would be a net flow of glucose across the cell membrane in one direction or the
other? Explain your answer.
Answer:
If concentration of glucose were the same inside and outside of a cell then equilibrium is already established so there's no concentration gradient to cause movement of glucose in either direction,thus,in or out
Which of these is NOT found in prokaryotic cells?
A. Nucleus
B. Cytoplasm
C. Ribosomes
Answer: option "A" is correct.
Explanation: prokaryotes do not have nuclei or membrane-bound organelles.
How to use a caesura in a sentence
Write a example pls I need help
Answer: It can be placed anywhere after the first word and before the last word of a line.