Greenhouse gases form naturally and are part of the composition of our atmosphere. The conditions on Earth are ideal for life, including us, to thrive. The naturally occurring greenhouse effect, which keeps the planet at a pleasant 15 °C (59 °F) on average, contributes to Earth's hospitality.
However, in the last century or so, humans have been interfering with the planet's energy balance, primarily through the use of fossil fuels, which emit additional carbon dioxide into the atmosphere.
Carbon dioxide levels in the atmosphere have been steadily rising for decades, trapping extra heat near the Earth's surface and causing temperatures to rise.
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What evidence does the author provide to support the claim that genetic engineering has led to the advancement of
medical science?
OA. Genetic engineering involves processes such as genetic fusion that can be used to engineer the human gene
structure of cells, thereby creating improved or more advanced organisms.
B.
Genetic engineering alters the existing gene structure of an organism to create a new organism or to improve
certain chacteristics of the organism to improve its functioning.
OC. Genetic engineering allows for the production of genetically modified organisms (GMO), such as the first ever
type of insulin-producing bacteria that functions on a newer and improved level than the existing organism.
D. Genetic engineering allows scientists to artificially enhance genetic structure and holds the potential to cure
deadly diseases in humans that have no known cure.
The author provide evidence to support the claim that genetic engineering is Genetic engineering alters the existing gene structure of an organism to create a new organism or to improve certain characteristics of the organism.
Genetic engineering, also referred to as genetic alteration, is a process that uses technologies created in laboratories to change an organism's DNA. This could have adding new DNA, deleting a segment of DNA, or changing a single base pair (A-T or C-G).
Among other things, genetic engineering has been utilized in science and industry to create cancer therapies, brewing yeasts, and genetically modified plants and animals. As a component of GM technology, DNA is put into the genome of an organism. To produce a GM plant, new DNA is inserted into plant cells.
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People who get better grades in school will be more successful in life.
agree or disagree
5-7 sentences in length.
Answer:
the correct awnser is a
Explanation:
I got it right on my test
If a woman with normal vision that carried an allele for color blindness X N X n married a man with normal vision(XNY), what would be their possible offspring
Some fungi live with other
organisms in a beneficial
relationship.
Which of the following is one of
these relationships?
A. fungi and fish
B. fungi and green algae this
C. fungi and mammals
D. fungi and reptiles
Answer:B
Explanation: Fungi and green algae have a symbiotic relationship because the fungi gets pigment from the algae and the algae helps with absorbing water from the help of the fungi
Answer:
b) fungi and green algae
Explanation:
Some fungi live with other organisms in a beneficial relationship. Fungi and green algae is one of these relationships. Hence, the option (b) is correct answer.
Only a small amount of the energy stored in food is available to the next organism in a food chain as a result of which of the following?
Only a small amount of the energy stored in food is available to the next organism in a food chain as a result of losses to the environment because 90% of energy is lost in the environment as heat.
what is the food chain?A food chain is described as a linear network of links in a food web starting from producer organisms and ending at an apex predator species, detritivores, or decomposer species.
A food chain also shows how organisms are related to each other by the food they eat.
We know that energy is passed up the food chain from one trophic level to the next but only about 10 percent of the total energy stored in organisms at one trophic level is actually transferred to organisms at the next trophic level. The reason for this is that he rest of the energy is used for metabolic processes or lost to the environment as heat
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According to the cell theory cells from different organisms of function because they
Answer:
They are basic functional unit of life
Differentiate between the lysogenic and lytic cycles. (1 point)
Viral proteins are synthesized during the lysogenic cycle.
O The virus injects DNA into the host cell during the lysogenic cycle.
O The host cell is destroyed during the lytic cycle.
O The host cell copies its own DNA during the lytic cycle.
Differentiate between the lysogenic and lytic cycles The virus injects DNA into the host cell during the lysogenic cycle.
The lytic cycle includes the replica of viruses using a number cellular to fabricate greater viruses; the viruses then burst out of the cellular. The lysogenic cycle involves the incorporation of the viral genome into the host cellular genome, infecting it from inside.
Inside the lytic cycle, the viral genome does no longer comprise into the host genome. within the lysogenic cycle, the viral genome consists of into the host genome and stays there throughou The main difference among lytic cycle and lysogenic cycle is that lytic cycle destroys the host cell while lysogenic cycle does no longer spoil the host mobile
The primary difference between lytic cycle and lysogenic cycle is that lytic cycle destroys the host cell whereas lysogenic cycle does not destroy the host cell. Viral DNA destroys the host cell DNA and arrests the cellular features within the lytic cycle. but, in the lysogenic cycle, viral DNA may merge with the host.
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how do the questions or steps change as you work through the dichotomous key?
PLEASE I NEED THIS RIGHT NOW
Anaerobic respiration is used in conditions that:
Answer:
Application of Anaerobic Respiration
It plays a critical role during biogeochemical cycles like Nitrogen Cycle, Iron Cycle, Sulfur Cycle, and Carbon Cycle. ...
It is used in sewage treatment plants and waste management systems. ...
Power generation through microbial fuel cells is an anaerobic respiration process.
Production of organic acids like lactic acid, propionic acid, acetic acid, butyric acid, etc. for commercial and household uses.
Explanation:
Which is one way that waves erode coastlines?
Back-and-forth movement loosens sediment and rock.
Large rocks are picked up and deposited in new areas.
Continuous impacts build up sediment and rock.
Loose sediment is picked up and blown to other locations. pls help
The option that is one way that waves erode coastlines is option A.) back-and-forth movement loosens sediment and rock.
What causes wave erosion?The main factors that cause sea wave erosion are hydraulic pressure, the force of waves hitting the beach, and the abrasion of sand and stones stirred up by the water constantly.
Note that a vibration is the back-and-forth motion of an object. Energy is carried through vibrations. A vibration is the back-and-forth motion of an object.
Hence, Sediments from cliffs and shorelines are eroded by waves. Ocean water's sediment functions as sandpaper. They degrade the shoreline over time. More erosion is brought on by larger waves and more sediment carried by them.
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Answer: a. Back-and-forth movement loosens sediment and rock.
Explanation:
Chlorophyll a and bare
examples of what inside.
a chloroplast that
absorbs light energy?
A. Chloroplasts
C. White light
B. Thylakoids
D. Pigments this
Answer:
D. Pigments
Explanation:
Chlorophyll contains pigments (650; 700) which absorbs light
Challenges in sustainable development
can you explain this diagram.. I will mark you brainlist..
help... !!!!
Answer:
Explanation:
environment is first then society then economy
Chlorophyll in the
chloroplast reflects which
color on the spectrum of
visible light?
A. red
C. violet
B. blue
D. green
Its green
Chlorophyll in the chloroplast reflects green color on the spectrum of
visible light.
What is chlorophyll?
The ability to produce their own nourishment exists in green plants. They achieve this through a process known as photosynthesis, which makes use of the green pigment chlorophyll. A molecule with a specific color known as a pigment can absorb light at various wavelengths depending on the color. Although there are many various kinds of pigments in nature, chlorophyll is special in that it allows plants to absorb the energy they require to develop tissues.The little structures called chloroplasts found in a plant's cells are where chlorophyll is found. This is the location of photosynthesis.Each pigment has a distinctive absorption spectrum that illustrates how it absorbs or reflects various light wavelengths. Chlorophyll and other pigments used in photosynthesis absorb wavelengths, creating electrons that power photosynthesis. All visible light wavelengths, with the exception of green, are absorbed by chlorophyll, the green pigment found in all photosynthetic cells. Because of this, plants seem green to us.
Hence, Chlorophyll in the chloroplast reflects green color on the spectrum of visible light.
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Hello, need help pls
Answer:
B. cuticle
Explanation:
The outside surface of epidermis is covered in a waxy coat called cuticle. This cover prevents the loss of water.
what is the meaning of cell division
Answer:
mitosis and meiosis.
Explanation:
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.
. How did Mendel study heredity?
Answer:
Explanation:
By experimenting with pea plant breeding, Mendel developed three principles of inheritance that described the transmission of genetic traits, before anyone knew genes existed. Mendel's insight greatly expanded the understanding of genetic inheritance, and led to the development of new experimental methods.
hope it helps! :)
An example of a relationship
where one organism gains but
the other is harmed would
be...
A. a tick on a deer.
B. a bird building a nest in a tree.
C. a fish swimming upstream.
Answer:
a) a tick on a deer.
Explanation:
A tick on a deer is an example of a relationship where one organism gains but the other is harmed.
Here the tick gets energy, but the deer loses its blood. Therefore, the option (a) is the correct answer.
The most observed human variations
changes gradually rather than having
discrete boundaries as expected-This
gradual change is referred to as a?
A. Cine
B. Slow change
C. Gradient
D. Clinal
The most common human variants are those that vary gradually instead of having defined boundaries as would be expected as cine
The correct answer is A
Is a gradual transition preferable?For issues that don't call for irregular change and that can be improved continuously and sustainably, gradual change is an more stable method. When there is divided government, modest, incremental adjustments are frequently the only way any change could take place.
What exactly is gradual change?Instead of happening all at once, a progressive process or change happens in little increments over time. A steady, sluggish procedure is required to lose weight. Synonyms include steady, even, sluggish, and regular Alternative Words for gradual
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PLEASE HELP…*image provided*
A molecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 5 million years. How many years ago did two species share a common ancestor, if the molecules found in these two species differ by a total of eight mutations?
1.5 million years
10 million years
40 million years
20 million years
20 million years ago two species share a common ancestor, if the molecules found in these two species differ by a total of eight mutations.
Neutral mutations play an major role in the phenomenon of evolution because they generally take place at a consistent rate over time.
Every time when a genome is passed from one generation to another , a small error is responsible for changing the base sequences. So the mutation rate in the genome copy is calculated by both the rate of error per copy and the number of copies made per unit time. Both of these factors may be impacted by species biology.
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URGENT
A steroid hormone approaches its target cell. Which will happen first?
The hormone will enter the nucleus
The hormone will combine with proteins to form lipoproteins
The hormone and its receptor will interact with the DNA
The hormone and its receptor will enter the cell’s nucleus
A steroid hormone approaches its target cell, therefore the hormone will enter the nucleus and is what will happen first which is therefore denoted as option A.
What is a Hormone?This is referred to as a chemical messenger which is released directly into the bloodstream and is responsible for the control of certain metabolic reactions occurring in the cell and an example is steroid hormone such as androgens.
In a situation whereby a steroid hormone approaches its target cell, it first passes through the plasma membrane before it then becomes adhered to the receptors which are present in the nucleus or cytoplasm.
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4
What is an angiosperm?
A. a division of plants that uses only
leaves to attract herbivores and
pollinators
B. a division of plants that doesn't use
seeds to reproduce
C. a division of plants that bear their
seeds within a layer of tissue that
protects it this is answer
D. a division of plants that leave their
seeds exposed on the scales of cones
Answer:
C
Explanation:
How is it possible that muscle and fat cells make up 75% of human cells by weight but 84% of cells are red blood cells?
RBC’s make up about 84% of cells in the body, but they are only 4% of body weight. Whereas, 75% of total weight are fat cells and muscle cells. They’re both large cells but constitute only a minute fraction of the total number of cells.
How many cells is the human body made of?
The exact number of cells is still debatable. But to put it briefly, around 30-40 trillion. The long answer? Not yet determined.
What we do know, is that RBC’s (red blood cells) make up the majority of cells in our bodies. They make up only 4% of total mass, despite constituting 80% of all cells. The reason is that RBC’s measure 8 micrometers in diameter. The size of fat cells, however is around 100 micrometers.
The total number of cells to this date is still not defined, but we have a slight idea of what could be.
Therefore, the reason for RBC’s having 84% of cells and 75% of fat cells is their mass. RBC’s are only 4% of total weight because their measure is only 8 micrometers. Whereas fat cells are around 100 micrometers in diameter.
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What advantages does a coelom provide the earthworm and the salamander?
Explanation:
The coelom refers to the body cavity derived from mesoderm germ layer and mainly found in multicellular animals and is positioned inside the body to surround and contain the digestive tract and other organs.
There are many advantages that coelom provides to the earthworm and the salamander. The digestive system of earthworms and salamanders is more complex, here coelomic fluid helps their body processes and assists as a hydrostatic skeleton.
The coelom's main advantage is its flexibility. The internal organs for example the heart, liver, lungs, and intestines develop, and they help to push into the coelom. The fluid of the coelom diminishes the organs for protecting the organs and also enables them to turn, bend, shift and move. In this way, coelom helps the animals internally to finish and run the system inside in the correct way. Coelom helps the earthworms and salamanders in building the correct system and protecting their organs to maintain and enable them to function properly.
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Currently, new regulations control the use of pesticides and chemical fertilizers to reduce what?
Pesticides and fertilizers create water and air contamination and significant health consequences. Chemicals are regulated to reduce water contamination.
What are pesticides?Insecticides, fungicides, and nematicides are all examples of pesticides. It is essential to exercise population control over the unwanted organisms and insects that cause severe damage to the crops. On the other hand, pesticides can never be used in excess, as this would have a negative impact on living things.
Fertilizers are added to the soil in order to improve its fertility and thus the development of plants. In addition, they contain hazardous substances.
Both insecticides and fertilizers are known to include compounds that are potentially harmful. These chemicals almost certainly will lead to the contamination of water and air, in addition to causing health problems for the organisms in the surrounding area.
Contamination of water is a critical problem that has been on everyone's minds for a considerable amount of time. It is possible to lessen the amount of water contamination by lowering the amount of pesticides and fertilizers that are used.
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The fovea capitis helps connect the
The fovea capitis helps connect the femur to the hip.
What is fovea capitis?
The head (or ball-shaped end) of the femur has a small, oval-shaped indentation on top called the fovea capitis.It has a triangle-like form. Its base has a connection on one side to the hip socket at one end. The opposite side is joined to the other end. The triangle's tube-shaped top is joined to the femoral head at the fovea capitis.What is the function of fovea capitis?
The ligamentum teres (LT) is found in the fovea capitis. One of the big ligaments that attaches the femoral head to the pelvis.The round ligament or ligament capitis fumoirs are other names for this ligament.In infants, the LT stabilizes and transports the blood flow to the femoral head.Therefore, the fovea capitis helps to connect the femur to the hip bone.
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Define the word scavenger.
Explanation:
1. an animal that feeds on carrion, dead plant material, or refuse.
2. a person who searches for and collects discarded items.
Essay explain the significance of the dens (Odin tour process) which is present on the second cervical vertebrate ( c2 or axis)
The dens present on the C2 vertebrae, is a site for attachment for the transverse, apical and alar ligaments. It is conical in shape.
What is the function of dens odontoid process?
The odontoid process is situated to the front of the spinal cord. It is used as an axis for rotation of the head. The C1 vertebrae which carries the cranium, rotates on this. This provides a lateral rotation of the cervical spine.
Therefore, the dens (odontoid process) is also a site present on the cervical vertebrae(C2) for attachment of transverse, apical and alar ligaments.
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Describe two similarities in the structure of the organic molecules shown.
1 . They all contain carbon. Most of them are flammable.
2 . They are all soluble in non-polar solvents. They are mostly, are covalently bonded molecules.
Amino acids and nucleic acids are two examples of biomolecules found inside cells. C, H, O, as well as N make up amino acids and nucleic acids alike.
The basic building elements of the body, amino acid residues, are strung together to form peptides, which are then joined together by acids linked by peptide bonds proteins. The fundamental distinction is that peptides are composed of shorter molecules called amino acids versus proteins.
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describe how genes are related to the structure and function of proteins
Explanation:
Most genes contain the information needed to make functional molecules called proteins. (A few genes produce regulatory molecules that help the cell assemble proteins)
Answer:
Proteins are composed of long chains of amino acids organized into a specific order. Genes provide the instructions for making the amino acid chains that are then assembled into proteins.