Answer: False
Explanation:
The stratosphere is the layer of the atmosphere which shields the earth from the harmful incident rays like infrared and ultraviolet radiations. It consist of ozone layer near the altitude of 25 kilometers. The ozone molecules present in the stratosphere absorb the high energy UV rays which are capable of warming the inner atmospheric layers of the earth, may cause damage to the genetic material of the organisms and skin problems in humans.
On the basis of the above explanation, statement The thermosphere protects the Earth from UV radiation coming from the Sun is false.
which protist is the most widely known form of making plankton and is thought to have given rise to plants?
The protist known for forming plankton with a connection to the rise of plants is algae. Algae are autotrophic, perform photosynthesis, and vary from unicellular diatoms to multicellular seaweed and kelp.
Explanation:The protist that is most widely recognized for its role in forming plankton and is believed to have given rise to plants is a type of algae. Algae are plant-like protists that can be either unicellular, like diatoms, or multicellular, such as seaweed. These organisms are essential components of aquatic ecosystems and play a vital role in the food chain. They are autotrophs, meaning they produce their own food through the process of photosynthesis, using sunlight to convert carbon dioxide and water into sugars, much like land plants do. However, unlike land plants, algae don't have true stems, roots, or leaves.
Among the various types of algae, the chlorophytes (green algae) have been significant in the evolution of plants. Chlorophytes are diverse and primarily inhabit freshwater environments and plankton. They can range from simple, unicellular forms like Chlamydomonas, which has a pear-shaped morphology with flagella for movement, to the complex multicellular forms such as seaweed and kelp that form vast underwater 'forests'.
cells specialization in the human body is usually due to ?
What are the products of linear electron flow during the light reactions of photosynthesis? what are the products of linear electron flow during the light reactions of photosynthesis? heat and fluorescence adp and nadp+ atp and nadph atp and p700?
Answer:
The products of linear electron flow during the light reactions of photosynthesis are ATP and NADPH.
Explanation:
During the light reaction of photosynthesis, the electron is released from the lysis of water. The product of water lysis are [tex]\rm \bold O_2[/tex], [tex]\rm\bold H^+[/tex] and electrons.
These electrons flow through several proteins. The energy of this electron flow is used to move hydrogen and the production of NADPH. NADH and ADP are reactants in the light reaction of photosynthesis.The hydrogen movement results in a concentration gradient. This is used to produce some ATP.[tex]\rm \bold {P_7_0_0}[/tex] is the reaction center where the reaction occurs.It is the process where light energy is converted to chemical energy. Hence there will be no heat or fluorescence.
Therefore from the above discussion, we can conclude that the products of linear electron flow during the light reactions of photosynthesis are ATP and NADPH.
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Evidence that some cones are especially sensitive to red light, others to green light, and still others to blue light is most directly supportive of the ________ theory.
a. opponent-process
b. signal detection
c. young-helmholtz
d. frequency
e. gate-control
Answer:
The correct answer is c. young-helmholtz
Explanation:
Young-Helmholtz also known as the trichromatic theory of color vision says that there are three photoreceptors present in our eyes that helps in the color vision and each photoreceptor(cone cell) is sensitive to only a particular wavelength of light of the visible spectrum.
Further, they classified the cone cell into blue, green and red cones. Blue cones respond to short wavelength, green cons respond middle wavelength and red cones respond to long wavelength of light.
So the strength of these three colors incident on cone cells cumulatively interpreted by the brain to determine a visible color. Therefore the right answer is c. young-Helmholtz.
Life is made of different _____, or forms of life.
patterns
organisms
observations
cycles
B. Organisms
Life is made of different organisms, or forms of life.
The second phase of the general adaptation syndrome (gas) is characterized by ____.
The second phase of general adaptation syndrome (gas) is characterized by alarm phase, the stage of resistance and the exhaustion stage. The gas stage gives a description of the both the short and long term emotional and physical effects of stress. Gas elaborates the relationship between health and stress.
Answer:RESISTANCE!!
Explanation:
Which structure is composed primarily of dense irregular connective tissue?
Dense irregular connective tissue mainly comprises the dermis layer of the skin. It's structure and arrangement provide strength and flexibility.
Explanation:The structure that is composed primarily of dense irregular connective tissue is the dermis of the skin. Dense irregular connective tissue is composed of collagen fibers arranged in an irregular, haphazard manner. This arrangement allows it to resist tension exerted in various directions, providing strength and flexibility. Hence, the dermis, which needs to be flexible yet strong, is mainly made up of this type of tissue.
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Which of the following correctly describes how a diagram of cellular respiration would differ from a diagram of photosynthesis? The cellular-respiration diagram would show electromagnetic waves as the final product. The cellular-respiration diagram would show glucose as the main source of energy. The cellular-respiration diagram would show energy stored in large protein molecules. The cellular-respiration diagram would show water as the main source of chemical energy.
"The cellular-respiration diagram would show glucose as the main source of energy" best describes how a diagram of cellular respiration would differ from a diagram of photosynthesis. Therefore, option B is correct
- Cellular Respiration: In cellular respiration, glucose is broken down in the presence of oxygen to produce energy in the form of ATP.
- Photosynthesis: In photosynthesis, plants use sunlight to convert carbon dioxide and water into glucose, storing energy in the chemical bonds of glucose.
- Differences in Diagrams:
- Cellular Respiration Diagram: It would illustrate glucose as the main source of energy, depicting the process of breaking down glucose to release energy.
- Photosynthesis Diagram: It would show sunlight, carbon dioxide, and water as the main inputs, depicting the synthesis of glucose from these components using light energy.
The complete Question is given below:
Which of the following correctly describes how a diagram of cellular respiration would differ from a diagram of photosynthesis?
A. The cellular-respiration diagram would show electromagnetic waves as the final product.
B. The cellular-respiration diagram would show glucose as the main source of energy.
C. The cellular-respiration diagram would show energy stored in large protein molecules.
D. The cellular-respiration diagram would show water as the main source of chemical energy.
Vaccination offers protection against future exposure to pathogens because it ________. vaccination offers protection against future exposure to pathogens because it ________.
Scientists have learned a great deal from studying and using stem cells. Which diseases/disorders are not involved in stem cell research?
A)
cancer
B)
diabetes
Eliminate
C)
bird flu
D)
spinal cord injuries
the answer is c) bird flu
The largest part of the human brain is the (paired) ___(1)____, the other major subdivisions of the brain are the __(2)___ and the __(3)__. the cavities found in the brain are called __(4)__. they contain __(5)__.
The largest part of the human brain is the (paired) CEREBRAL HEMISPHERS___(1)____,
the other major subdivisions of the brain are the _BRAIN_(2)___ and the _STEM_(3)__.
the cavities found in the brain are called VENTRICLES__(4)__.
they contain _CEREBOSPINAL FLUID_(5)_(CSF.)_.
The largest part of the human brain is the cerebrum. Another major subdivision of the brain are the cerebellum and brainstem. The cavities found in the brain are called ventricles. They contain cerebrospinal fluid.
What are the different parts of the brain?
The brain is divided into the forebrain, midbrain, and hindbrain. The forebrain is the anterior part that consists of the olfactory lobe, cerebrum, and diencephalon. Most of the space is occupied by the cerebrum.
The midbrain consists of centers for vision and hearing. The hindbrain consists of the cerebellum, medulla oblongata, and pons varolii. Cerebrospinal fluid is filled inside the cavities of the brain.
Hence, the largest part is the cerebrum, and the two major subdivisions are the cerebellum and the brainstem. Cerebrospinal fluid is present inside the ventricles of brain. This fluid protects the brain from injuries.
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The main function of the human respiratory system is to
Question 4 options:
A. Produce carbon dioxide as a waste product.
B. Obtain oxygen out of the atmosphere.
C. Remove nitrogenous waste from the blood
if a human egg recieves 2 copies of a chromosome and is fertilized, how many copies of the chromosme would there be in the resulting embryo
Consider a situation in which overharvesting causes the number of fish in a population to become drastically smaller, which causes genetic variation in that fish population to decrease over a few generations. this is an example of
The drastic change in numbers is an example of the bottleneck effect. This is a mechanism of genetic drift.
What is genetic drift?
It is a process in which the frequencies of alleles change in a population. In a population, dominant, recessive, and heterozygous genotypes are present. When allelic frequencies change, there are changes seen in those genotypes.
Two types of genetic drift are seen, such as the founder effect and the bottleneck effect. In the founder effect, a smaller group of organisms separates to form a new population.
The bottleneck effect is explained by taking the bottle into consideration. When the bottle filled with genotype is inverted, a few will come out and survive while most remain in the bottle and die. This is seen in natural disasters, overfishing, etc., and in a short time period, the population declines.
Hence, this is an example of the bottleneck effect.
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A mummy is discovered whose tomb includes cloth, food, and other organic remains. what dating method would most likely be used to date the tomb?
Composting is the process of converting organic materials like plant material, food waste, and manure into humus. Humus is a soil-like material. There are many benefits that composting has for the environment. How does composting protect our ground water supply?
A) It prevents run off from occurring.
B) It reduces the need for artificial fertilizers.
C) It reduces the amount of methane that is produced.
Answer: It reduces the need for artificial fertilizer
Explanation:
Fertilizers can be defined as the substances that can be used to increase the productivity of the soil and more productive soil will yield more.
Fertilizers can be organic(natural) or man-made synthetic. Artificial fertilizers are not good for long run as it has negative impact on the plants and other components of life.
Natural fertilizers are formed when organic materials like dead plants, animals, food and animal waste are added to the soil. This is humus and is very good for the health of soil and has no side effects.
If humus will be added to the soil then there will be a significant decrease in the need of artificial fertilizer.
please help ASAP and no guesing thats so rude
The chart shows four environments and the kind of succession that would occur there.
In which row is the kind of succession incorrectly listed?
row 1
row 2
row 3
row 4
Answer: Row 1
Explanation: The primary succession can be defined as the growth of the plant species for the first time on the the substrate such as rock, lava, mountains. Basically it takes place on the substrates other than the soil.
In primary succession the pioneer species are lichen, algae and fungi that first normalizes the habitat for the growth of the plants.
Secondary succession takes place on the places which is destructed due to natural disaster or human activities.
So, row 1 shows secondary succession not primary succession.
Answer:
Row number one
Explanation:
is the correct answer
Invasive species have a higher reproductive potential than native species.
b.invasive species are keystone species.
c.invasive species are not held in check by the predators and agents of disease that have always been in place for native species.
d.invasive species come from geographically isolated regions, so when they are introduced to regions where there is more competition, they thrive.
e.invasive species are less efficient than native species in competing for the limited resources of the environment.
Which of these is an example of climate? A. Average summer temperature B. A current weather map C. An incoming cold front D. Next week's weather forecast
The right option is; A. Average summer temperature
An example of climate is; Average summer temperature
Climate is the manifestations of weather and other atmospheric conditions in a given area over long periods of time. Climate is measured by evaluating the condition or patterns of differences in temperature, rainfall, humidity, atmospheric pressure, wind, precipitation, and other meteorological elements in a specific area of the earth’s surface over long periods of time.
Average summer temperature is an example of climate. Option A is correct.
Climate refers to the long-term patterns and averages of weather conditions in a particular region over an extended period, usually spanning decades to centuries. The average summer temperature is an example of climate because it represents the typical temperature experienced during the summer season in a specific area over many years.
It is a measure of the climate's overall warmth during the summer months. The other options listed, such as a current weather map, an incoming cold front, and next week's weather forecast, are examples of weather, which refers to the short-term atmospheric conditions in a specific location over a few days or weeks.
Hence, A. is the correct option.
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Which of these is an environmental effect of burning fossil fuels?
A. temperature increase
B. soil erosion
C. habitat succession
D. flooding
_____________ is a complex, branched storage form of glucose used for starch in the plant and is similar in structure to the storage form in the animal body known as __________
Elaine is a 28-year-old woman pregnant with multiples. she is diagnosed with hyperemesis gravidarum (excessive vomiting during pregnancy). she is unable to keep enteral fluids down. a licensed practitioner orders home iv therapy for 2 weeks. what type of iv access is most appropriate for elaine?
Humans affect the carbon cycle in many ways through the use of fossil fuels, clear cutting of forests, and controlled burns. Which of the following processes can help counteract these human interactions?
The right answer is photosynthesis.
Plants absorb CO2 from the air by photosynthesis as they grow. The carbon is then stored in the plants. At the end of the crop cycle or at the end of the season for perennial crops, the residues return to the soil. After the degradation of these, the carbon is organized to give more and more complex molecules and more and more stable.
In the short carbon cycle that spans less than a century and affects the balance of CO2 in the atmosphere, three basic reactions must be distinguished:
Photosynthesis: Plant photosynthesis consists in reducing the carbon dioxide in the atmosphere by the water absorbed by the roots using solar energy captured by the leaves, in the presence of mineral salts, with the release of oxygen, to produce carbohydrates.
Respiration: It is the opposite of photosynthesis: it transforms all organic matter into CO2, from O2 free oxygen. The equation of respiration can be summarized as:
(CH2O) n + n O2 → n (CO2 + H2O)
Fermentation: It happens in
* An aerobic environment (presence of oxygen) produces carbon dioxide
* And in an anaerobic environment (absence of oxygen) methane (the simplest hydrocarbon, with a single molecule of carbon).
Organisms that grow best under elevated pressure like you would find in the deep ocean are ________
The answer is extreme piezophile. This organism cannot grow at the pressure hydrostatic of 1 atm. And this piezohilic requires pressure hundredth of atmosphere for growth. The counterpart of piezophile is oligotrophy this organism grows only in the best place with a very low levels of nutrients.
where is earths next ocean most likely to form
A patient with a diagnosis of type 2 diabetes has been vigilant about glycemic control since being diagnosed and has committed to increasing her knowledge about the disease. to reduce her risk of developing diabetic nephropathy in the future, this patient should combine glycemic control with what other preventative measur
Since the patient is diagnosed with type 2 diabetes, the patient must combine glycemic control with prompt treatment of hypertension and maintenance of healthy blood pressure to reduce her risk of developing diabetic nephropathy.
In addition, type 2 diabetes has been found to be related to both severities of hyperglycemia and presence of hypertension.
Where in a data table should units of measurement be shown
The action of including only some columns for output while retrieving data is known as ____.
Pepsin, an enzyme found in the stomach, acts best at a ph of about 2, but it is not active at a ph of 7. why
Mammals digest food with aspartic protease pepsin. Pepsin works best at a pH of roughly 2, while neutral pH denatures the protein.
What is pepsin?Pepsin is an enzyme that is produced in the stomach and is responsible for the digestion of proteins that are found in the food that is consumed. Pepsin is initially produced in the stomach as an inactive zymogen termed pepsinogen by the chief cells of the stomach. The parietal cells of the stomach lining are responsible for the secretion of hydrochloric acid, which brings the pH of the stomach down. Pepsin needs a low pH (between 1.5 and 2) in order to be active.
After passing through the duodenum and into the small intestine, the pH goes through a significant shift, becoming more neutral at a range of 6-7. The pepsin enzymes will eventually stop working properly because they will lose their enzymatic activity. At higher pH levels, the enzyme is unable to fold into its proper conformation, which is why this happens.
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What is that the _______ system helps to defend the body by producing hormones, including thymosin, which helps t-cells to mature, and adrenaline, which helps the body to fight or run away from large external threats?
The answer is Endocrine!!!!!!