Answer:
The equation represents a biological process that is Photosynthesis. This process is done by plant cell in their chloroplast.
Expanation:
Plants contain Chlorophyll Pigment that helps in the process of photosynthesis( a biological process through which plants can produce their own food with the help of sun light, Carbon dioxide and water and form glucose and oxygen).
This process takes place in chloroplast which contain double membrane with many folds. The double membrane encloses a structure called thylakoid that contain pigment chlorophyll. The function of chloroplast is to capture light that is required in the process of photosynthesis.
The process of converting carbon dioxide and water to glucose and oxygen using light energy, or photosynthesis, occurs in the chloroplasts of green plant cells.
Explanation:The process of converting carbon dioxide and water into glucose and oxygen is called photosynthesis. This process takes place in the chloroplasts of green plant cells. Chloroplasts contain the pigment chlorophyll, which absorbs light energy from the sun, and utilize this energy to facilitate the production of glucose and oxygen from carbon dioxide and water.
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Which statement does NOT describe properties of a proton?
CHOICE A: Protons are attracted to negatively-charged electrons.
CHOICE B: A proton has a mass of approximately 1 dalton
CHOICE C: Protons have an overall neutral charge.
CHOICE D: Protons are located within the nucleus of the atom.
Do the shortest duration of insolation and the minimum temperature occur in the same month?
Answer:
Yes, the shortest duration of insolation and the minimum temperature occur in the same month.
Explanation:
The shortest duration of insolation occurs in month of December and sometime the minimum temperature may also occur in the month. The shortest day of the year is December 21 and insolation at that day is also shortest of the year. If the sun is out for a longer time the temperature will be much greater, because the sun is shining for a greater amount of time.What is the definition of chemical energy
Answer:
Explanation:
Chemical energy, Energy stored in the bonds of chemical compounds. Chemical energy may be released during a chemical reaction, often in the form of heat; such reactions are called exothermic. ... The chemical energy in a battery can also supply electrical power by means of electrolysis.
Chemical energy is energy stored within the bonds of chemical substances. It can be released during a chemical reaction and is convertible, meaning it can transform from one form to another. This energy type is vital in both mechanical and biological processes.
Explanation:Chemical energy is a form of potential energy that is stored in the chemical bonds of substances. It's the energy held in the arrangement of atoms in a molecule and can be released during a chemical reaction. For instance, when gasoline is burned in a car engine, it releases stored chemical energy.
In the human body, chemical energy is found in the food we consume. The food is broken down and rearranged into molecules that our muscle cells convert into kinetic energy. Essentially, this type of energy is involved in making all life processes possible.
It's essential to note that chemical energy, like all other forms of energy, is neither created nor destroyed. Instead, it's converted from one form to another.
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A. What gases were present in Earth's early atmosphere?
Answer:
The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapour, ammonia and methane. As the Earth cooled down, most of the water vapour condensed and formed the oceans.
Explanation:
The gases that were present in Earth's early atmosphere are methane, ammonia, water vapour, and the noble gas neon,
What were Earth's early atmosphere?An atmosphere was primarily generated by gasses ejected by volcanoes when Earth cooled. It contained methane, hydrogen sulfide, and ten to 200 times the amount of carbon dioxide found in the atmosphere today. The Earth's surface cooled and cemented enough after roughly 500 million years for water to accumulate on it.Their research was initially focused on bodies the size of asteroids, but because methane was so prominent, they decided to expand their findings to Earth.
They came to the conclusion that the gas combinations utilized in the Miller–Urey synthesis of organic molecules, such as CH4, H2, H2O, N2, and NH3, were present in the early Earth's atmosphere.
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when an atom gains or loses electrons , the charged particle that results is called a(n)
Answer: Ion / Ions
Explanation: When a neutral atoms loses or gains electrons they become charged atoms in which called as ions.
Do you think all organisms rely on the sun in part for energy?
Answer:
No
Explanation:
Some organisms require diffrent type of treatment to live, than others. They can just eat bacteria and live without the sun.
Ex. giant tube worms, etc.
Answer:
yes my friend.
Explanation:
All living organisms rely or the sun in part of energy.
we are also depend upon the plant . so we or organisms are depend upon the producers whereas the producers depend upon the other abiotic factors such as sunlight , oxygen , carbondioxide for prepareing food which is used by all living organisms for survive.
now, explanation
temeperature is transmit from hotter body to the coller body.
here, we have the sun as a hotter body
we are cooler body comperative to the sun.
so sun's heat is transmit to the all living organisms helps to give light , heat and solar energy also. sun is the prepetual source whose amount is neither increase nor decrease.
as you all know that, death body temperature is very low. because their body cannot get from the sun or from other sources.
so, if you cannot get the heat from other body you may die there.
by heating our body we get differnt kinds of energy and we can do our various works easily un our daily life.
so, sun is essential for all living organisms in part of energy.
Structures in plant leaves that open and close to maintain homeostasis are called _____.
flowers
stomata
stems
nodes
Answer:
stomata
Explanation:
Stomata are "pores" located on the underside of leaves to let out water and maintain homeostasis (internal balance) within the plant.
Compare and contrast the structure and function of the plasma membrane to the structure and function of the cell wall.
well usually cell wall helps to maintain the shape of the plant cell which plasma can't do.
both of them controls movement of substances into in and out of the cell.
sturuture:plasma membrane contain outer membrane that surrounds the entire contents of cell and made of protein and phospholids.
cell wall are strong n rigid, made from celllouse fibre and fully permeable
Answer: The plasma membrane is made up of a two lipid layer which contains transport proteins and other carbohydrates. The plasma membrane is a living layer and selectively permits materials to go in and out of the cell. Micro molecules such as water and oxygen gas diffuses in the lipid layer while macro molecules such as glucose and amino acids enters through the help of transport proteins: channel and carrier proteins.
For the cell wall it is made up of cellulose which makes it hard and rigid. The cell wall is a nonliving layer. It supports the cell and gives strength as well.
Explanation:
One of nature’s most unique proteins provides cells with an abrasion-resistant, a condition known as:
A) stratum germinativum
B) dermal papilla
C) melanin
D) keratin
Answer:
The correct answer is D) Keratin.
Explanation:
Keratin is a fibrous protein produced by epithelial cells called keratinocytes. They form the tough structural parts of the body like nails, claws, hairs, horns, etc, which are resistant to abrasion, wear and tear.Melanin is a protein pigment produced by cells called melanocytes. Skin gets coloured due to this pigment.The epidermis of the skin is divided into five layers: Stratum germinativum, Stratum spinosum, Stratum granulosum, Stratum lucidum and Stratum corneum.The Stratum germinativum is the deepest layer found in the epidermis and is made up of a single cuboidal or columnar epithelial cell layer. Dermal papilla is formed by the finger-like intrusion of the dermis layer of the skin into the epidermis. It is mainly responsible for providing oxygen and nutrients to the lower layers of the epidermis.
s-waves cannot travel through liquids,including earths?
Answer:
Shear waves cannot travel in liquids or gases -- so, for example, S waves don't travel through the ocean or through the outer core. Surface waves are called surface waves because they are trapped near the Earth's surface, rather than traveling through the ``body'' of the earth like P and S waves.
2 Points
How are the rates of use and renewal of game animals regulated?
A. Via prescribed burns
O
B. Via hunting licenses
O
c. Via deforestation
D. Via factory farming
Answer:B. Via hunting licenses
Explanation:B. Via hunting licenses
Which of the following can be used by scientists to date the sediment layer they are found in? Select all that apply.
radioactive isotopes
fossils
tree rings
animal growth rings
mineral elements
need answers ASAP please!!
Radioactive isotopes & fossils can be used by scientists to date the sediment layer they are found in
Explanation:
Carbon dating is one of the methods used to determine the age of rocks. Because C-14 has a half-life of 5,730 years by determining the amount of C-14 remaining in the rocks layer in relation to nitorgen-14, the stable element that it decays into.
The fossils embedded in the sediment layers can also be used to determine the relative age of the sediment layers. Older fossils are found are usually found in the lower layers of sediments while younger fossil are found in the upper layers of sediments.
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Final answer:
Radioactive isotopes, fossils, and tree rings are all valid methods for dating sediment layers. Radioactive isotopes are used in radiometric dating, fossils provide relative dating data, and tree rings offer precise dating through dendrochronology.
Explanation:
In the dating of sediment layers, multiple methods can be applied, each using different processes to indicate the age of materials. Among these, radioactive isotopes are key in a method known as radiometric dating, which can date igneous and metamorphic rocks and is also applicable to sediments containing organic material. Fossils themselves can provide relative dating information by their placement within rock layers; the deeper the fossil, the older it is presumed to be.
Dendrochronology, or tree rings dating, is another method used by scientists. This relies on the annual growth rings of trees to determine the age of sediments especially when the wood is found associated with those sediments. Animal growth rings, such as those found in mollusk shells or fish otoliths, can also provide data for dating sediment layers.
The presence of certain mineral elements may help to date a sediment layer, but it does not involve radioactive dating or organic processes, and therefore is less reliable than the aforementioned methods for precise dating purposes. Hence, radiometric dating using radioactive isotopes and dating through association with tree rings or fossils are particularly useful for dating sediment layers.
5
Biology Sem 1
Pretest: Unit 2
Question 17 of 34
1 Point
Which of the following do all living things share?
O
A. The same organs
are organs
O
B. The need to breathe
O
C. The same shape -
D. The same elements
< PREVIOUS
Answer:
B
Explanation:
All living things need to breathe, even the microorganism which breathe by a process called diffusion. They might breathe using different of mechanisms or organs but THE POINT IS THEY NEED TO BREATHE.
All living things need to breathe, even the microorganism which breathe by a process called diffusion. They might breathe using different of mechanisms or organs but The Point is they need to breathe.
What are Living organism?A living creature that has an organized structure, is capable of responding to stimuli, can reproduce, develop, adapt, and preserve homeostasis is referred to as an organism.
Hence, every animal, plant, fungus, protist, bacterium, or archaeon found on Earth would be considered an organism. There are numerous methods to categorize these species. Counting the number of cells that make it up is one method.
The single-celled (such as bacteria, archaea, and protists) and multicellular organisms are the two main categories. Biological entities can also be categorized based on their subcellular architecture.
Therefore, All living things need to breathe, even the microorganism which breathe by a process called diffusion. They might breathe using different of mechanisms or organs but The Point is they need to breathe.
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A scientist wants to observe the structure that joins a cell to neighboring
cells. How should the scientist observe the detailed structure of the cell?
) A. The scientist should prepare a culture of the cell.
O
B. The scientist should prepare a medium for the cell.
O
c. The scientist should use a light microscope.
D. The scientist should use an electron microscope.
Cells are the smallest, functional, and structural living beings. The cell is composed of different organelles and carries out vital functions. If a scientist wants to observe the cellular structure, then they should use a microscope.
The correct answer is:
Option D. The scientist should use an electron microscope.
Cells are microscopic living entities, which can be observed through a microscope. The features of an electron microscope are:
1. Electron Microscope have a much shorter wavelength than visible light, which helps in the better resolution of the specimen.
2. The microscope uses a beam of accelerated electrons to power the source of illumination.
3. Electron microscope is widely used to observe biopsy samples, metals, cells, and macromolecules.
Thus, the electron microscope will be used by the scientist to observe a clear and magnified structure of the cell.
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Answer:
D:Scientist should use an electronic micromicroscope
Explanation:
A chimp has 24 chromosomes in each of her body cells. How many chromosomes
would be in each of her eggs?
An organism dies, and its body leaves an
impression in mud. Over time, the mud
hardens into rock, and the impression
becomes a fossil. Which kind of fossil was
formed? SC.7.L.15.1
Answer:
sedimentary rock fossil and if am not correct am sorry I tried
Answer:
mold
Explanation:
because it changes over time and formes to a formation of mud
What is one way vegetation has changed since the time of dinosaurs?
Final answer:
Vegetation has changed since the time of dinosaurs with the significant transition from gymnosperm-dominant to angiosperm-dominant flora, especially during the Cretaceous period, leading to angiosperms becoming the prevalent plants in forest ecosystems.
Explanation:
One significant way in which vegetation has changed since the time of the dinosaurs is the transition from gymnosperm-dominant to angiosperm-dominant flora. During the Cretaceous period, flowering plants (angiosperms) originated and gradually began to outcompete gymnosperms, such as seed ferns and conifers, for dominance in forests. By the end of the Mesozoic, angiosperms had become the prevalent plants in forest ecosystems, and this shift contributed to the transformation of many plains into grasslands.
The angiosperms' rise significantly altered the planet's biodiversity. Their flowers and fruits provided new sources of food, creating new niches for birds, insects, and mammals. This change was pivotal for the diversification of these groups. The breakup of Pangea resulted in isolated island continents where these evolving creatures followed unique evolutionary paths, further shaping the Earth's biological diversity.
Question 4 of 10
2 Points
A trait is influenced by several genes. There are two alleles for each gene.
What is the best classification for the inheritance pattern of this trait?
O
A. It is determined by polygenetic inheritance,
O
O
B. It is determined by homozygous recessive alleles.
O
C. It is determined by incomplete dominance.
O
D. It is determined by multiple alleles for each gene.
SUBMIT
Answer:
It is determined by polygenetic inheritance (NB I think this should read polygenic inheritance)
Explanation:
Polygenic inheritance occurs when multiple genes act together to produce one trait. A good example of this in humans is height. The trait for height is not simple the result of 2 alleles of 1 gene, but 2 (or more) alleles of several genes that all work together to determine height. These traits are sometimes called complex traits or quantitative traits and do not undergo simple Mendelian inheritance.
A trait influenced by several genes with two alleles each is characterized by polygenetic inheritance. This is a system where multiple genes cooperate to express a trait, allowing for a wide range of phenotypes.
Explanation:A trait that is influenced by several genes and has two alleles for each gene is best classified as being determined by polygenetic inheritance. In this model, multiple genes, or polygenes, cooperate to express a particular trait. For example, human height and skin color are both determined by polygenetic inheritance. Unlike single-gene inheritance patterns such as homozygous recessive alleles or incomplete dominance, polygenetic traits can exhibit a wide range of phenotypes because they depend on a larger number of genetic variables.
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Three reasons why earth is a unique planet ?
Answer:
First it has the right amount of water, second earth has the right amount of oxygen, last is that it is not to close or far from the sun.
Explain the relationship between ocean circulation patterns and the marine food chain, and how
this is affected by an El Nino event,
Answer:
Ocean circulation patterns is directly linked with the marine ecosystem. El Nino event hinders the climate interaction of ocean.
Explanation:
The disturbance in the ocean climate interaction transfers the essential nutrients into the deep down ocean leaving very tiny amount at the surface. It lacks the support to plankton growth.Ocean circulation patterns can sometime make the ocean food ecosystem less productive.El Nino event reverses the ocean current. Surface waters in the central and eastern Pacific Ocean become significantly warmer than usual during this event. So the drifting starts towards east direction (normally driven west).Who pioneered the use of galvanoplastic compounds for preserving footprints and ballistics?
OA Mathieu Orfila
B. Calvin Goddard
C. Edmon Locard
D. Alphonse Bertillon
E. Dr. Joseph Bell
Reset
Next
B. Calvin Goddard pioneered the use of galvanoplastic compounds for preserving footprints and ballistics.
Explanation:The pioneer in the use of galvanoplastic compounds for preserving footprints and ballistics is B. Calvin Goddard. Goddard, an American forensic scientist, developed a method called bullet identification or ballistics fingerprinting, which involved analyzing the unique markings left on bullets and cartridge cases. He made significant contributions to the field of forensic science and his work on ballistic identification revolutionized criminal investigations.
Kyle does an experiment to test the effectiveness of a new type of fertilizer. He predicts that the fertilizer will make plants grow twice as fast as they would without the fertilizer.
After the experiment is complete, Kyle's collected data show that the fertilizer only worked 60% of the time. Kyle decides to remove the data that contradicts his prediction from his published results so that his published conclusion will show that the fertilizer is 100% effective.
The published results of Kyle's experiment
A.
are invalid because experiments cannot be done on plants.
B.
are valid because the fertilizer was over 50% effective.
C.
are valid because scientists should always throw out contradictory data.
D.
are invalid because they are based on incomplete data.
Answer:
The correct option is D) are invalid because they are based on incomplete data.
Explanation:
A scientist should always show the complete data of results for his research. It is unethical for a researcher to show incomplete data and frame his results based on the incomplete data do that his work gets published. Results based on incomplete data cannot be considered to be valid in scientific research. Manipulation of data is unethical and should never be done in scientific researches. Hence, option D is correct.
Answer:
C
Explanation:
If nitrates are not assimilated into plants, what else could happen to them?
Answer:
Nitrate assimilation is a process through which nitrogen is acquired in green algae.The macro elements of nitrogen is the most essential and abundant component for living matter for growth and development and productivity.
Explanation:
If nitrates are not assimilated into plants then the green algae or Chloro phyte algae that require nitrogen which will be obtaining from nitrate will not enter into their body and as the result of this, their growth and development hampers and also it also decreases their productivity.
Which rocks are examples of chemical sedimentary rock? Check all that apply.
coal
iron ore
rock salt
limestone
sandstone
Answer:
Rock Salt (Halite), Limestone, Iron ore
Explanation:
Sandstone is a clastic sedimentary rock
Coal is an organic sedimentary rock.
Limestone, rock salt, and some types of coal are examples of chemical sedimentary rock. Iron ore and sandstone are not considered chemical sedimentary rocks.
Explanation:Chemical sedimentary rocks are formed by precipitation of minerals from water. Precipitation can be caused by several geological processes. A large amount of these rocks are composed of mineral salts and include examples such as limestone, rock salt, and even some types of coal.
However, iron ore and sandstone are not classified as chemical sedimentary rocks; they fall under different categories. Iron ore is formed from a chemical reaction, but it is generally classified as a mineral instead of a rock. Sandstone, on the other hand, is an example of a clastic sedimentary rock, not a chemical one.
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Antibiotics do not work against what
Answer:
antiboitics don't work against viruses as it has no " target " to viruses
Explanation:
please give brainliest i have helped you before just need 4 more brainliests
A completed Punnett square shows all of the following except
Answer:
A completed Punnett square shows all of the following except "the actual results of a genetic cross"
Explanation:
As we know, that genetic crossing is the determined breeding of the two specific individuals which results in the mixing of the genetic materials that are visible in the offspring. These crosses can be done in the different models like plants, yeasts, flies and also in the mice. These organisms are mostly used for the dissection to know the genetic processes or can be used for creating some novel characteristics. They are mostly two types i.e. monohybrid and dihybrid cross.
A Punnett Square shows all combinations of genes an offspring might inherit from two parents, but it does not show the offspring's actual physical appearance or observable traits (the phenotype), or detail the mechanisms of gene action.
Explanation:A Punnett Square is a tool used in genetics to determine the possible genotypes of offspring resulting from a cross between two individuals, each having a particular genotype. It visually displays all possible combinations of alleles transmitted by each parent to the offspring, allowing the prediction of the probability of offspring inheriting a given genotype.
However, it's important to note that there is one major thing a Punnett square does not show: the actual physical appearance or observable traits (the phenotype) of the offspring. Although the genotypes are represented, the phenotype may not be determined by a Punnett square alone because dominance, co-dominance, incomplete dominance, and other genetic effects are not depicted by this tool. Also, it does not detail the mechanisms of gene action or how certain genes may interact with each other or the environment to express a phenotype.
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Question 18(Multiple Choice Worth 3 points)
(04.03 HC)
Synthetic compounds that mimic the biological function of the sex hormone estrogen have been found in the marine environment. How would this pollutant be
classified, and why is this a public health concer?
It is a pathogen. It might disrupt growth and development in marine organisms.
It is an environmental pollutant. It might disrupt sexual reproduction in marine organisms.
It is a genetic factor. It might be toxic to marine organisms and lead to death, changing the population structure.
It is both a pathogen and an environmental pollutant. It might lead to food shortages.
Answer:
It is an environmental pollutant. It might disrupt sexual reproduction in marine organisms.
Explanation:
It is a pathogen. It might disrupt growth and development in marine organisms. - false. Estrogen and similar synthetic compounds cannot be classified as a pathogen. Pathogens are microorganisms that cause disease. Estrogen is a hormone, not a pathogen.
It is an environmental pollutant. It might disrupt sexual reproduction in marine organisms. - true. In this case, synthetic chemicals that mimic estrogen function have leaked into the environment, meaning it is an environmental pollutant. Because estrogen is a sex hormone that exists in all vertebrates (not just humans), its artificial existence in the environment will cause effects in marine life when exposed to it. This could interfere with sexual reproduction.
It is a genetic factor. It might be toxic to marine organisms and lead to death, changing the population structure - false. Although esrtogen can impact gene expression, it will not be considered a genetic factor. It would also unlikely be toxic to marine life, as they also possess estrogen.
It is both a pathogen and an environmental pollutant. It might lead to food shortages - false. Estrogen cannot be classified as a pathogen.
What is purpose of our life as humans evolved from million years of evolution...What is your view of your life....Why we have a consciousness?...What is consciousness anyway?
Answer:
The main purpose of everything that exist world is to create more suitable and better environment for future.
Explanation:
As humans are the most developed species in the globe because they have the power to evaluate and conceive the activities going on in the surrounding.The most valuable thing we humans have is the consciousness i.e. we know how things work and can modify it.By using this awareness ability we have been in the race of evolution through millions of years making our environment more advanced and better.Which phase occurs directly after s phase
Full question:
Which phase occurs directly after s phase...
A. G1
B.G2
C. Cytokinesis
D.M phase
The phase that occurs directly after s phase is G2 phase.
Explanation:
The Synthesis phase is termed as S phase. This phase in the cell cycle occurs between two phases namely G1 and G2.It is the place where the replication of DNA takes place. This phase will make the DNA to chromosome and this is highly regulated. This phase is an important phase in the cell cycle as the replication of DNA occurs in this phase.
Apart from the replication of chromosomes, the growth of the cell that starts in the G1 phase will be continued with this phase. Thus when the replication of DNA is full done, then S phase will be completed and it proceeds to the G2 phase.
A farmer found that one tree in his pear orchard bore especially delicious fruit. Which method would most quickly provide a large crop of these pears?
Answer:
Grafting branches from this tree onto other trees in the orchard.
Explanation:
In the field of gardening, grafting can be described as a procedure in which a part of a plant such as the shoots with desirable traits is cut in an inclined manner and joined to the another plant's parts such as the roots or shoots. As a result, the two plants are united and they will grow. Such a technique will allow other crops to also produce delicious fruit. Hence, grafting is an effective technique used by farmers to produce more plants with favourable characteristics.