Life: Scientists have found signatures of life in
rocks from 3.5 billion years ago. That means life
existed in a world with very low oxygen! What
is the evidence?

Answer:

Original DNA:               ATG AAC CAT TCA GTA TGG

Complimentary DNA:   TAC TTG GCA AGT CAT ACC

mRNA molecule:          AUG AAC CGU UCA GUA UGG

AMINO ACID:               Methionine (Start) - Aspargine (Asn) - Arginine (Arg) - Serine (Ser)- Valine (Val) - Tryprophan (STOP)

2nd template:

Original DNA:               ATG  GGT   CTA  GCG  AAA  GAT

Complimentary DNA:   TAC  CCA  GAT  CGC  TTT   CTA

mRNA molecule:          AUG  GGU CUA  GCG  AAA  GAU

AMINO ACID:               Methionine (Start) - Glycine (Gly) - Leucine (Leu) - Alanine (Ala) - Lysine (Lys) - Apspartic Acid (Asp)

Explanation:

When you are forming the DNA complimentary strand you need to remember that they come in base pairs, and each base pairs up with a specific base. In the case of DNA the base pairs are the following:

A - T ; T - A

C - G; G - C

So:

For every A, its complimentary is T. For every T, it's complimentary is A.

For every C, it's complimentary is G. For every G, it's complimentary is C.

So in the case of your 1st DNA template:

Original DNA:                ATG AAC CAT TCA GTA TGG

Complimentary DNA:   TAC TTG GCA AGT CAT ACC

During transcription however, mRNA is formed. RNA does not have thymine (T), but Uracil (U) instead. So the base pairs would be different in the case of Adenine(A), thymine and Uracil.

A - U; T - A

C - G; G -C

So:

For every A, it's complimentary is U. For every T, it's complimentary is A.

For every C, it's complimentary is G. For every G, it's complimentary is C.

Going back to your 1st DNA template:

Original DNA:               ATG AAC CAT TCA GTA TGG

Complimentary DNA:   TAC TTG GCA AGT CAT ACC

mRNA molecule:          AUG AAC CGU UCA GUA UGG

Duing translation, tRNA brings the amino acids to the mRNA strand. There is a specific RNA codon sequence that codes for a specific AMINO ACID. These codons are 3 bases grouped together. You can use the table attached to see the amino acid each combination.

Amino acids are the building blocks of protein. The DNA templates determines the type of protein that will be made. The tRNA brings the amino acid to the mRNA template. Then it drops the amino acid off, which will bond with the next amino acid coded to attach to it.

So if you take the first mRNA codon AUG, you can see in the table that it codes for Methionine, which is a start codon, meaning this is the start of a new protein. It will then attach to the next amino acid that codes for the next codon which is AAC that codes for Aspargin. They will continue until it reaches a STOP codon, which means it would be the end of that protein.

The replica of the following strand of DNA is:T A C T T G G T A A G T C A T A C C .

DNA  is a hereditary material which is present in human beings as well as all other living organisms.  Every cell which is present in an organism's body has DNA  which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.

Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.

DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule  and a phosphate group. A base, phosphate sugar are together called as nucleotides.

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Answer:

This disorder is caused by mutations in either of two different genes; one of these genes is linked to the DNA marker locus and the other gene is not.

Explanation:

A gene marker (also known as a molecular marker) is defined as a particular DNA sequence that has a specific physical location on a given chromosome. The gene markers are always physically linked with genes of interest, thereby they are useful for identifying patients affected by a given disease and/or a particular phenotypic trait. In this case, in the first study, genetic variation of the marker has been shown to be useful to map one locus that is associated with the disease phenotype. However, in the second study, a second locus that is not linked to the marker can segregate independently, thereby showing different results from the first study (in this case, it is imperative to develop a new genetic linkage analysis to discover genetic markers linked to the second gene, which is also responsible for the disease phenotype).

The  point of TRPV1 that allows H ions to bind is located in the transmembrane region of the protein.  

It consists of a histidine residue, which is a  appreciatively charged amino acid, that creates a  fund which H ions can bind to. ATF3 protein is produced in the  nexus of the cell. It's transcribed from the ATF3 gene and translates into the protein in this  position. TRPV1(  flash receptor  eventuality cation channel subfamily V member 1) is a protein  set up in the  mortal body that acts as a receptor for  colorful  stimulants including heat, low pH, and certain chemicals. It's anon-selective cation channel that when actuated, allows ions to pass through the cell membrane. TRPV1 is an important part of the pain pathway, as it's responsible for  seeing heat and initiating the sensation of pain. It's also involved in inflammation and body temperature regulation.

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Answer:

The percentage of carbon dioxide in the air is 0.04%

Answer:

Explanation:

Answer:

The correct answer would be activation energy.

Explanation:

pls mark brainliest

hope this helps

While life on Earth is based on carbon chemistry, there is growing evidence to suggest that life may be able to thrive using other elements and compounds as well.

For example, extremophiles have been found in some of the most hostile environments on Earth, including deep sea vents, volcanic hot springs, and even radioactive waste. These organisms have adapted to survive in environments with high temperatures, acidity, pressure, and radiation, which were once thought to be completely inhospitable to life. Additionally, the discovery of exoplanets (planets outside our solar system) has opened up new possibilities for finding environments that are suitable for life. While many of these planets are currently beyond our reach, future technologies may allow us to explore and study them in more detail. Ultimately, the search for life beyond Earth is a fascinating and ongoing endeavor that continues to push the boundaries of our understanding of the universe.

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Answer:

If it takes the sound 6 seconds to get to the floor and back, then it takes 3 seconds to reach the floor. So all you would need to do multiply (3 seconds) x (the speed of sound in water) = distance to sea floor. The internet can tell you the speed of sound in water, though just make sure you look for it in the units (feet or meters) that you want. I hope that helps.

Answer:

2500.

Explanation:

All you would need to do multiply (3 seconds) x (the speed of sound in water) = distance to sea floor.

Answer:

Mitochondria is found in animal cells.

General Formulas and Concepts:

Cellular Respiration

Explanation:

The production of ATP is found mainly in the mitochondria. Producing ATP must undergo cellular respiration. All plants and animals go through cellular respiration to provide energy for everyday actions needed by cells. Therefore, both plants and animals have mitochondria.

Topic: AP Biology

FALSE.

The statement that the poorest and most oppressed individuals tend not to participate in social movements is not exemplified in Cesar Chavez's attempt to organize migrant farm workers.

In fact, Cesar Chavez's efforts as a labor leader and civil rights activist were primarily focused on organizing and advocating for the rights of marginalized and oppressed migrant farm workers.

Cesar Chavez co-founded the National Farm Workers Association (later known as the United Farm Workers) to fight for better working conditions, fair wages, and improved rights for farm workers, many of whom were impoverished and faced exploitative labor practices.

Chavez and the United Farm Workers successfully organized strikes, boycotts, and other forms of nonviolent protests to bring attention to the plight of farm workers and push for change.

Chavez's organizing efforts and the involvement of migrant farm workers in the United Farm Workers' movement demonstrate that the poorest and most oppressed individuals can and do participate in social movements as they seek to address their grievances, advocate for their rights, and improve their living and working conditions.

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Answer:

it changes from solid water to liquid water.

Explanation:

Option A is Correct. The most cells can be seen in the field of view when using an eyepiece and objective lens combination of X5 X10.

The most expansive field of view is offered by a 10x objective lens. The smaller lens provides greater room for viewing via the microscope. A smaller viewing area is provided because the 40x lens has a higher magnification.

Low Power Goal (10x): When it comes to monitoring and evaluating glass slide samples, the low power objective lens, which has more magnification power than the scanning objective lens, is one of the most useful lenses. The ocular lens' magnification (10), multiplied by the objective lens, equals the overall magnification (100). If we add 100 to 10, we get 1,000.

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Scientists have observed the exponential growth of lionfish in the Caribbean sea. The prediction about the lionfish population that is most likely to occur will be B. a limiting factor will cause the growth of the lionfish population to slow down, forming a pattern of logistic growth.

According to logistic growth, the population of a species will increase exponentially when favorable conditions are provided. However, the increase in population cannot occur forever and there will be a time when the carrying capacity will be reached by the concerned population. Due to one or more limiting factors, the population growth will slow down to maintain a balance.

In the case observed, scientists have observed exponential growth in the lionfish population in the Caribbean sea. After this phase, factors such as reduction in the number of prey, increased toxicity, increased competition, etc will play as limiting factors to slow down the growth of the population of lionfish.

Although a part of your question is missing, you might be referring to this question:

Scientists have observed the exponential growth of lionfish in the Caribbean sea. Which of these predictions about the future of the lionfish population is the most likely to occur?

A. The lionfish population will continue growing exponentially indefinitely.

B. A limiting factor will cause the growth of the lionfish population to slow down, forming a pattern of logistic growth.

C. A limiting factor will cause the lionfish population to decline rapidly, and eventually decrease to near zero.

D. The lionfish population will enter a cycle of increasing and decreasing numbers, typical of many predators and prey.

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Treated laundry rinse water sometimes used for irrigation and other nondrinking purposes is called gray water (C).

Gray water is described as water that has been used for washing and rinsing purposes, such as laundry and dishes. Treated laundry rinse water sometimes used for irrigation and other nondrinking purposes is called gray water. It differs from black water, which is wastewater from toilets and other sources that is contaminated with human feces, bacteria, and viruses.

Gray water can be reused for non-potable purposes such as watering lawns and gardens, flushing toilets, and washing cars. Gray water use can help conserve water and reduce the amount of water going to wastewater treatment plants. However, it is critical to handle gray water with caution since it may contain chemicals, bacteria, and viruses that can be harmful to human health or the environment, and it should never be used for drinking or bathing.

Hence, the correct answer is Option C.

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The statement "a cancer cell is arrested at s phase of the cell cycle when DNA is continuously being synthesized" is true because MET-dependent SV40-transformed cancer cells were halted in S and G2.

First, fluorescence-activated cell sorting (FACS) showed that MET-dependent SV40-transformed cancer cells were stuck in the S and G2 phases of the cell cycle when they were exposed to MR.

A single chromosome's inability to attach itself to the mitotic spindle in the correct manner might lead to an arrest in the cell cycle that occurs in the M phase. When cells are treated with medicines that either disrupt or hyper-stabilize spindle microtubules, the same cell cycle checkpoint is responsible for mediating an arrest in the M phase of the cell cycle.

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C) During the cardiac cycle, the aortic valve is open when the pressure in the left ventricle is greater than the pressure in the aorta.

During the cardiac cycle, the opening and closing of the aortic valve are crucial for the efficient functioning of the heart. The main purpose of the aortic valve is to prevent the backflow of blood from the aorta into the left ventricle. It opens when the pressure in the left ventricle exceeds the pressure in the aorta.

When the heart contracts during systole, the left ventricle contracts forcefully, generating high pressure. As a result, the pressure in the left ventricle becomes greater than the pressure in the aorta. This pressure difference causes the aortic valve to open, allowing the oxygenated blood to be ejected from the left ventricle into the aorta and subsequently distributed to the rest of the body.

Once the ventricular contraction ends, and the pressure in the aorta exceeds the pressure in the left ventricle during diastole, the aortic valve closes to prevent the backflow of blood into the heart. This closure ensures that blood continues to flow in one direction, maintaining proper circulation throughout the cardiovascular system.

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conjunction mechanism of gene transfer

the process of introducing new DNA into an organism's cells using modified viruses and plasmids as carriers. Cells can be transformed ex vivo for delivery to people or in vivo through gene therapy administered directly to the patient. The non-sexual transmission of genetic data between genomes is referred to as horizontal gene transfer (HGT; often referred to as lateral gene transfer). Genes can be replaced by incoming DNA or RNA, or new genes can be added to a genome. The exchange of genes across organisms is referred to as gene transfer. Both horizontal and vertical gene transfers are possible. When a DNA segment is copied and inserted from one place of the same molecule to another, the transfer of genes occurs horizontally.

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The hierarchy of organization found in complex multicellular organisms is in the following order:

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Answer:

Include a Hypothesis

Explanation:

Here is the answer for u

Answer:

False

Explanation:

we create more body cells with mitosis not meiosis , we create gametes with meiosis

The birth canal is a fibroelastic tube that is the passageway for the fetus during childbirth.

It consists of the cervix, vagina, pelvic floor muscles, and perineum. During labor, the cervix dilates and effaces, allowing the baby to descend through the vagina. The pelvic floor muscles provide support and aid in the pushing process. The perineum may stretch or tear to accommodate the baby's passage. Together, these structures work harmoniously to facilitate the safe and successful delivery of the baby.

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Answer:

Ernest Hemingway

Explanation:

Answer:

what’s the answer to this

Explanation:

Answer:

which option gives an object´s volume in SI units?

-2.6m^3

Answer:

The answer above was wrong. Maybe it wanted it put in a different way but don’t do what i did

Explanation:

Plato

The two specific concerns of species diversity are species survival and evenness of species abundance. The correct options are A and B.

"Species diversity is defined as the number of different species present in an ecosystem and their relative abundance." When all of the species present are equally abundant in the area, diversity is greatest.

Species diversity is a measure of the number of different species found in a given ecosystem or habitat.

It is critical to be concerned about species survival because the extinction of a species can have a negative impact on the entire ecosystem.

Furthermore, the evenness of species abundance is important to consider because the dominance of one or a few species can have a negative impact on the diversity and stability of an ecosystem.

Thus, the correct options are A and B.

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In a propeller-driven airplane, a decrease in pitch attitude refers to the nose of the airplane being lowered, or the airplane transitioning to a more level or downward trajectory.

When the pitch attitude decreases, it affects the airflow over the rotating propeller, which in turn influences the gyroscope-like properties of the propeller. The propeller of an airplane acts as a gyroscope due to its rotational motion. As such, it possesses gyroscopic stability, meaning it resists changes in its plane of rotation. When the pitch attitude decreases, the forces acting on the propeller change, leading to a couple of effects: Precession: Gyroscopes exhibit a phenomenon called precession, which causes any applied force to be felt 90 degrees later in the direction of rotation. When the pitch attitude decreases, it applies a force on the propeller that is perpendicular to the plane of rotation. This force is precessed 90 degrees in the direction of rotation, resulting in a change in the yaw attitude of the airplane. Torque effect: The rotational motion of the propeller generates a torque, known as torque effect or P-factor, which tends to cause the airplane to yaw to the left (assuming a clockwise rotating propeller when viewed from the cockpit). When the pitch attitude decreases, it alters the balance of the torque effect, potentially affecting the yawing motion of the aircraft.

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The appearance of urine is important to evaluate during an abdominal examination as Dark urine may be from dehydration.

An abdominal examination is a component of a physical examination in which a physician or nurse clinically examines a patient's abdomen for signs of disease. The physical examination usually follows a thorough medical history, in which the physician asks the patient about the progression of their symptoms.

The abdominal examination is traditionally divided into four stages: first, an inspection of the patient and visible abdominal characteristics. Abdominal auscultation (listening) with a stethoscope Abdominal palpation of the patient Finally, the patient's abdomen and abdominal organs are tapped. The abdominal exam is traditionally performed after the respiratory and cardiovascular exams in a complete physical examination.

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Freshwater with 0.1% salt concentration is hypotonic compared to the paramecium.

In the context of osmosis, the terms isotonic, hypotonic, and hypertonic are used to describe the relative concentration of solutes in a solution compared to the cytoplasm of a cell. In the case of a paramecium, which is a freshwater organism, a 0.1% salt concentration in water would be considered hypotonic.

Hypotonic solutions have a lower solute concentration compared to the cytoplasm of the cell. When a paramecium is placed in a hypotonic solution like freshwater, which has a lower salt concentration, water will tend to move into the cell through osmosis. This influx of water can cause the paramecium to swell and potentially burst if it does not have mechanisms to regulate water balance.

On the other hand, if the solution were isotonic, it would have the same solute concentration as the paramecium's cytoplasm, resulting in no net movement of water. If the solution were hypertonic, with a higher solute concentration, water would move out of the paramecium, potentially causing the cell to shrink or undergo dehydration.

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Students pursuing EEB 2245W Evolutionary Biology at the University of Connecticut have access to a variety of knowledge thanks to Studocu.

Students may get study materials for many university courses, such as summaries, lecture notes, and past exams, on the website Studocu. Students may find all they need on Studocu to do well in the course, from summaries to practise examinations. The platform has an intuitive user interface that makes it simple for students to locate what they need and maintain organisation. For students pursuing EEB 2245W Evolutionary Biology at the University of Connecticut, Studocu offers a lot of knowledge. For anybody studying Evolutionary Biology at UConn, regardless of whether they are having trouble grasping a particular idea or simply want to brush up on their knowledge, Studocu is a crucial tool.

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What resources do students taking EEB 2245W Evolutionary Biology at the University of Connecticut have access to for their coursework?

The correct order of rearrangement for the immunoglobulin genes is B) IgD A) IgM C) IgG & D) IgE.

Option (3) is correct.

The rearrangement of immunoglobulin genes occurs during the development of B cells in the bone marrow. The rearrangement process determines the specificity of the antibodies produced by B cells. The order in which the immunoglobulin genes rearrange is as follows:

IgD: IgD gene rearrangement occurs first during B cell development.

IgM: After IgD rearrangement, IgM gene rearrangement takes place. IgM is the first immunoglobulin produced by mature B cells.

IgG: After IgM rearrangement, IgG gene rearrangement occurs. IgG is a secondary antibody isotype that is produced during the immune response.

IgE: Lastly, IgE gene rearrangement occurs. IgE is involved in allergic and hypersensitivity reactions.

Therefore, the correct order of rearrangement for the immunoglobulin genes is B, A, C, D, which corresponds to answer choice 3.

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The complete question is:

Place the following immunoglobulin genes in the order in which they rearrange:

A) IgM

B) IgD

C) IgG

D) IgE

Options:

1. A, B, C, D

2. D, C, B, A

3. B, A, C, D

4. C, D, B, A