Answer:
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Explanation:
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Answer:
The DNA of prokaryotes is not enclosed within a membrane, and is instead localized to a region called the nucleoid. This DNA acts as the prokaryote’s only chromosome, so the process of DNA replication is much quicker. After DNA replication, the original chromosome and its copy seperate. A cleavage furrow forms between the cell, the cell eventually pinches in half, and two identical daughter cells, each with an identical chromosome, are formed.
Explanation:
What system includes oxygen, nitrogen, and ozone? a. geosphere b. hydrosphere c. atmosphere d. biosphere Please select the best answer from the choices provided A B C D
Answer:
The answer is C.
Explanation:
Atmosphere includes oxygen, nitrogen, and ozone. So, the correct option is (C).
What is Atmosphere?
An atmosphere is defined as the gas layer or layers of gases covering a planet that are held together by the gravity of the planetary body. A planet maintains an atmosphere when gravity is high and the temperature of the atmosphere is low.
It is made up of layers of gases like oxygen, nitrogen, and ozone that surround a planet or other celestial body. Earth's atmosphere is composed of approximately 78% nitrogen, 21% oxygen, and one percent other gases.
Earth's atmosphere extends up to 10,000 kilometers above the surface of the planet. After which the atmosphere merges into space.
Thus, atmosphere includes oxygen, nitrogen, and ozone. So, the correct option is (C).
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(02.03 HC)
Explain how scientists use geologic time to determine the age of landforms. (3 points)
Answer:
I will!
Explanation:
to determine the related age of different rocks geologists start with the assumption that unless something has happened in the sequence of sedimentary rock layers the newer Rock layers will be on top of the older ones this is called the rule of superposition with absolute age dating you get a real age and actual years
Answer:
Geologic time uses the layers of rock to describe the relationships of events and their sequence in chronological order over the history of Earth. The layering is a result of the buildup of tiny bits of rock, sediment, or lava cooling at the surface over many years. Think of it like a stack of pancakes—the bottom layer is the one that was placed first and therefore is the oldest. The sediments that create the layers of Earth are stacked one on top of the other.
Where does all the energy
originally come from for living
things?
Answer:
For species and the ecosystems of which they are a member, the Sun is the major energy source. By combining carbon dioxide and water to form organic matter, farmers, such as plants and algae, use energy from sunlight to generate food energy.
Explanation:
why are brayophytes called amphibians
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hop it helps
A genetic mutation that causes abnormal cells to rapidly reproduce and divide often leads to
Answer:
Cancer
Explanation:
It might be said that a genetic mutation that causes abnormal cells that reproduce and divide rapidly, might lead to a cancer. this is associated with an uncontrolled cell growth in a multicellular organism.
(This is an comfirmation for the answer above )
A common misconception is that proteins are a good source of energy. Explain which types of foods are the best energy sources and how this relates to the amount of ATP made by your cell.
Answer:
Carbohydrates.
Explanation:
It is carbohydrates because they are the good source of energy . When carbohydrates are consumed it's digestion starts from the mouth, from chewing and it mixes with saliva from the salivary gland. As it is broken down the chemical energy unlock in it is released into the body which is absorbed by the cells for cellular metabolic activities. They turns into energy as soon as they are ingested and they energy powers the brain and the whole body.
Examples of carbohydrates are wheat, whole grains, rice, bread e.t.c.
The nervous system is involved in muscle contractions? True or false
true
Explanation:
messages from the nervous system cause these muscular contractions
write about important steps in the process of water purification in a water treatment plant
Answer:
They typically consist of several steps in the treatment process. These include: (1) Collection ; (2) Screening and Straining ; (3) Chemical Addition ; (4) Coagulation and Flocculation ; (5) Sedimentation and Clarification ; (6) Filtration ; (7) Disinfection ; (8) Storage ; (9) and finally Distribution.
Use the diagram below to answer the following questions for 1 point each- explain the role of DNA in protein synthesis
Answer:
Regarding protein synthesis:
The role of DNA in protein synthesis is to contain the genetic information necessary for a specific protein to be manufactured, by transcribing it into mRNA.The role of mRNA in protein synthesis is to conduct the sequence of nitrogenous bases, organized in triplets or codons, to the ribosome for translation and initiation of synthesis.The processes of transcription and translation occur in the cell nucleus and cytoplasm, respectively.Explanation:
DNA is a molecule that contains the genetic information of an individual in a specific sequence of nitrogenous bases that are part of its structure. The process of transcription occurs in the cell nucleus and consists of the synthesis of a single-stranded mRNA molecule from one of the DNA strands.
The role of DNA in protein synthesis in the transcription of genetic information into mRNA.
Molecule of mRNA is that carries the sequence of nitrogenous bases that make up the genetic code, i.e., sequences of triplets or codons that encode the start of protein synthesis, the amount, type and order of amino acids of a protein, and the stop of synthesis.
The translation process —which occurs in the cytoplasm— is performed when the ribosomes read the genetic code and begins the union of amino acids into polypeptide chains. The role of mRNA in protein synthesis is then to drive the genetic code into the ribosome for translation.
I need help wz this❄❄
What day is it when the Sun is at its lowest elevation in the sky all year and we experience the shortest day of the year?
A.summer solstice
B.winter solstice
C.summer equinox
D.winter equinox
PLS HELP ASAP!!!!!!!!!!
Answer:
Bacteria horses humans all three
why do vertebrates come from under chordates ?
Answer:
As chordates, vertebrates have the same common features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post tail. Vertebrates are further differentiated from chordates by their vertebral column, which forms when their notochord develops into the column of bony vertebrae separated by discs.
A unique strain of grape variety is called what
Strain
Clone
Variety
Hybrid
Answer:
?
Explanation:
?
How has dna technology led to advancements in forensics medicine and agriculture?
Answer:
DNA technology is very beneficial in the criminal and civil justice system, methods such as fingerprinting are used very often when trying to find a person behind a crime. This technology has also improved our use of medicine. One way is breeding plants to create more options of curing diseases by using adding nutrients and minerals. Lastly, DNA is used to grow crops that have a lot more nutrients and minerals that are added from other plants.
Explanation:
Characterization, or ''typing," of deoxyribonucleic acid (DNA) for purposes of criminal investigation can be thought of as an extension of the forensic typing of blood that has been common for more than 50 years; it is actually an extension from the typing of proteins that are coded for by DNA to the typing of DNA itself. Genetically determined variation in proteins is the basis of blood groups, tissue types, and serum protein types. Developments in molecular genetics have made it possible to study the person-to-person differences in parts of DNA that are not involved in coding for proteins, and it is primarily these differences that are used in forensic applications of DNA typing to personal identification. DNA typing can be a powerful adjunct to forensic science. The method was first used in casework in 1985 in the United Kingdom and first used in the United States by commercial laboratories in late 1986 and by the Federal Bureau of Investigation (FBI) in 1988.
DNA typing has great potential benefits for criminal and civil justice; however, because of the possibilities for its misuse or abuse, important questions have been raised about reliability, validity, and confidentiality. By the summer of 1989, the scientific, legal, and forensic communities were calling for an examination of the issues by the National Research Council of the National Academy of Sciences. As a response, the Committee on DNA Technology in Forensic Science was formed; its first meeting was held in January 1990. The committee was to address the general applicability and appropriateness of the use of DNA technology in forensic science, the need to develop standards for data collection and analysis, aspects of the
technology, management of DNA typing data, and legal, societal, and ethical issues surrounding DNA typing. The techniques of DNA typing are fruits of the revolution in molecular biology that is yielding an explosion of information about human genetics. The highly personal and sensitive information that can be generated by DNA typing requires strict confidentiality and careful attention to the security of data.
How do cell differentiation and cell division work together?
Answer:
After mitosis is over, each of the daughter cells continues its separate life.
Explanation:
One or both can be started or continued through differentiation, ie. processes that give different cells special structures and functions. A cell destined to become a nerve cell moves in one way of differentiation, and a cell destined to be a muscle cell moves in another.
A variation of this mechanism involves a special type of cell called a stem cell. The stem cell divides by mitosis, whereby one daughter cell remains the stem cell and continues to divide again and again, while the other difference in certain cell peaks is determined in the tissues.
Why is smoking harmful to the bronchial tubes? in your own words please ....
Answer:
It harms your lungs, and could cause lung cancer...
Which system is responsible for the sense of taste?
qustatory
O olfactory
visual
O auditory
civity
void(O)
Answer:
a. gustatory
Explanation:
What happens is substrate and enzyme is torn
Answer:If the enzyme changes shape, the active site may no longer bind to the appropriate substrate and the rate of reaction will decrease. Dramatic changes to the temperature and pH will eventually cause enzymes to denature.
Explanation:
What is the name of the process called where prokaryotes reproduce?
Answer:
binary fission
Explanation:
What is the function of the chloroplasts?
Answer:
I think I iver explained it but here
Explanation:
Chloroplasts are organelles that conduct photosynthesis, where the photosynthetic pigment chlorophyll captures the energy from sunlight, converts it, and stores it in the energy-storage molecules ATP and NADPH while freeing oxygen from water in plant and algal cells.
A chloroplast is an organelle inside the cells of plants and certain green growth that is the site of photosynthesis.
Functions of chloroplast:Chloroplasts permit plants to catch the energy of the Sun in energy-rich atoms. The cell dividers permit plants to have unbending designs as fluctuated as wood trunks and flexible leaves, and vacuoles permit plant cells to change size.
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what does the phrase " naked seeds" mean in reference to gymnosperms?
A.) They produce pollen
B.) They don't have cones
C.) They produce flowers
D.) They don't have fruit
Answer:
D. they don't have fruit
Explanation:
USE PICTURE ABOVE!! NEED ANSWERS ASAP!!! 8. Categorize What types of bonds are present in
this molecule?
9. Analyze What elements are present in this
molecule?
10. Solve What is the chemical formula of this
organic compound?
Answer:
a) Benzoic acid
b) Resonance bond
[tex]c) \: C\frac{}{6} H \frac{}{5} COOH[/tex]
What types of cells do fibroblasts make?
PLEASE HURRY NEED ANSWER ASAP!!!!
DNA is a nucleic acid polymer composed of which repeating structural unit? nucleotides phosphate groups ribosomes proteins
Answer:Nucleotides
Explanation:
I know about this stuff :)
Answer:nucleotides
Explanation:
When air masses collide, changing weather patterns often occur at the boundaries between air masses. Meteorologists refer to this as a ___________.
Answer:
It causes a turbulence which makes it a front.
Explanation:
The source of power in a nucler power plant comes from
Answer:
the splitting of uranium atoms
Explanation:
During fission, two new, lighter nuclei are formed and fission energy is released, which is up to 20 times higher than the energy released in alpha, beta, and gamma decay (compared to chemical reactions, fission energy is a million times higher).
By breaking the nucleus of the atom, a huge amount of heat is released.
What is the main difference between prokaryotes and eukaryotes?
Answer:
Eukaryotes tend to have a distinct nucleus containing it's genetic information, while prokaryotes don't have a nucleus and its genetic material is free-floating
Explanation:
Yes
What biological process causes new strains of pathogen to develop
Fossil fuels, such as coal and oil, get their names because they form from fossilized organisms trapped under extreme
pressure and heat from the center of Earth. Explain how the model shows the requirements for fossil fuel formation.
Answer:
matter into oil. (Another word for this kind of oil is petroleum.) Given enough pressure, organic matter can also become natural gas. Heat and pressure are the two main forces that transform organic matter into fossil fuels.
Explanation:
Petroleum is used to make gasoline, an important product in our everyday lives. It is also processed and part of thousands of different items, including tires, refrigerators, life jackets, and anesthetics.
The geological conditions that would eventually create petroleum formed millions of years ago, when plants, algae, and plankton drifted in oceans and shallow seas. These organisms sank to the seafloor at the end of their life cycle. Over time, they were buried and crushed under millions of tons of sediment and even more layers of plant debris. With more heat, time, and pressure, the kerogen underwent a process called catagenesis, and transformed into hydrocarbons. Hydrocarbons are simply chemicals made up of hydrogen and carbon. Different combinations of heat and pressure can create different forms of hydrocarbons. Some other examples are coal, peat, and natural gas.
Oil comes in the category of petroleum and matter into the oil. Given enough pressure, organic matter can also become natural gas. Heat and pressure are the two main forces that transform organic matter into fossil fuels.
What is fossil fuels?A fossil fuel has been hydrogen containing material found naturally in the earth's crust from the remaining portion of dead plants and animals that has to be extracted and burned as a fuel.
Fossil are natural source of energy, it has been made from decomposition of the plants and animals. Fossil fuels has been found in earth's crust and contains carbon and hydrogen which could gives energy while burning. Natural gas usually found in pockets above oil deposits. It has also found where natural oil has to be found.
Coal, oil and natural gas are best examples of fossil fuels. Coal has a material usually found in sedimentary rock deposits where rock and plants has to be buried from long time. Oil has originally found as a solid material between layers of sedimentary rocks, like shale. This material has heated and converted into a gasoline.
Therefore, Oil comes in the category of petroleum and matter into the oil. Given enough pressure, organic matter can also become natural gas. Heat and pressure are the two main forces that transform organic matter into fossil fuels.
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A student carried out an investigation into the effect of temperature on the rate of an
enzyme-catalysed reaction.
At each temperature, the substrate concentration was measured after 10 minutes. All the other
variables were kept constant.
Which graph shows the effect of increasing temperature on the substrate concentration after
10 minutes?
Pls explain
Answer:
First graph.
Explanation:
If further increase in temperature occurs, it leads to decrease the substrate concentration because with very high temperature the enzyme is unable to perform its function. If the temperature is in optimum range, the enzyme produces more substrate due to favorable environment while on the other hand, if the temperature is below or above the optimum range so the enzyme can't perform its function properly and the substrate produce in small concentration.