Single stranded helices. Is composed of the four base pairs Adenine, Guanine, Cytosine, and Uracil.
Everyone lives in a watershed explain two procotions people can take in their yard and driveway to help protect their local watershed.
Answer:
People can save their local watershed by conserving water from their yards and driveways.
Explanation:
Local watersheds can be protected by not adding toxic household material , reusing the water for other household purposes etc.
Removal trash and invasive species in vegetation are the two precautions.
Pick up the trash and remove invasive species are the two precautions people can take in their yard and driveway to help protect their local watershed. Trash or garbage can cause big problem in the way of watershed.
Healthy watersheds provide services to ecosystem such as nutrient cycling, carbon storage, erosion, control, increased biodiversity, soil formation, water storage, water filtration, flood control, timber and recreation so these two precautions are important for protection of of watershed.
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Suppose that a biochemist performs an experiment that indicates that the recommended daily allowance of Vitamin E (C29H50O2) should be doubled from 9.0 mg per day to 18.0 mg per day. The biochemist reports his results in a scientific journal.
Which of the following is a good question to ask about the experiment after reading the biochemist's conclusions?
On what group(s) of people did the biochemist perform his experiment?
Can Vitamin E be toxic to humans?
Is Vitamin E a fat-soluble or water-soluble substance?
A.
I, II, and III
B.
II only
C.
I only
D.
II and III
Answer:
The correct option is C) 1 only
Explanation:
It would be necessary to ask from the scientist about the group of people on which he performed his experiment because it might be that certain other factor was the influence for the change in the requirement of Vitamin E, It might be that the people of that specific area or country might have a Vitamin E deficiency due to which there requirement was more for Vitamin E. Or there might be any other environmental or genetic factor influencing the change.
All organisms, including plants, undergo what essential process?
All organisms, including plants, undergo what essential process?
A. Photosynthesis
B. Cellular Respiration.
C. Sexual reproduction.
Answer:All the living organisms undergo cellular respiration.
Option B
Explanation:Cellular respiration is the process of production of energy from food. This process includes different chemical reactions which squeeze out energy from the food and store that in form of Adenosine Tri Phosphate for the cells to use in future. Thus without cellular respiration, a cell can't survive.
Now the photosynthesis is only restricted within a group of autotrophs which contains chlorophyll and can use Sun's energy to produce glucose from carbon dioxide and water.
Sexual reproduction is also not a feature of many lower organisms like bacteria which divide by means of binary fusion.
What effect do you think this change in amino acid sequence will have on the structure of the polypeptide
A change in gene sequence can lead to a different amino acid being added to a polypeptide chain instead of the normal one. This causes a change in protein structure and function.
Choose all the answers that apply.
Bacteria
cannot survive without a host
replicate very quickly
are unicellular
release toxins which harm the body
I always cause illness or disease
Answer:
a. false
b. true
c. true
d. true
Explanation:
a. Although viruses can survive outside a host on household surfaces, their ability to duplicate themselves is compromised-shortening the virus's life span. Humidity also makes a difference; no bacteria or virus can live on dry surfaces with a humidity of less than 10 percent.
b. Bacteria are among the fastest reproducing organisms in the world, doubling every 4 to 20 minutes. Some fast-growing bacteria such as pathogenic strains of E. ... coli bacteria under specific conditions.
c. Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeas
d. Microbial toxins are toxins produced by micro-organisms, including bacteria and fungi. Microbial toxins promote infection and disease by directly damaging host tissues and by disabling the immune system. Some bacterial toxins, such as Botulinum neurotoxins, are the most potent natural toxins known.
what is a scientific theory
Answer:
A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment.
Explanation:
3. Given the inequality 4x + 5y 2 12, determine
algebraically if each point is a solution PLZZZ HELP FOR MATH
a. (-2, 4)
b.(3,-2)
c. (0,2)
d. (2,5)
Answer:
x= 0, y = 2
Explanation:
4x + 5y +2 = 12
Let's suppose that
x = 0
y = 2
By putting the values of x and y
4(0) + 5( 2) + 2 = 12
0 + 10 + 2 = 12
12 = 12
Hence, it is proved that x = 0 and y = 2
HELP ME ASAP PLEASE!
Answer:
Incomplete metamorphosis
Explanation:
Because there's no egg in the beginning
What is the function of a lyosome
Answer:
Explanation:
Inside a cell, numerous organelles function to remove wastes. One of the key organelles involved in digestion and waste removal is the lysosome. Lysosomes are organelles that contain digestive enzymes. They digest excess or worn out organelles, food particles, and engulfed viruses or bacteria.
Match these terms.
1. isomorphic alternation of generations
2. gametophyte
3. ovule
4. sporophyte
5. heteromorphic alternation of generations
6. ovary
7. sorus
8. male flower
A. haploid generation
B. a group of fern sporangia
C. develops into a fruit
D. develops into a seed
E. gametophyte and sporophyte appear to be the same
F. contains only stamens
G. gametophyte and sporophyte appear to be different
H. diploid generation
D. develops into a seed
Answer AND Explanation:
A. haploid generation - Gametophyte
B. a group of fern sporangia - sorus
C. develops into a fruit - ovule
D. develops into a seed - ovary
E. gametophyte and sporophyte appear to be the same - isomorphic alternation of generations.
F. contains only stamens - male flower
G. gametophyte and sporophyte appear to be different - heteromorphic alternation of generations.
H. diploid generation - sporophyte
in the divine comedy dante alighieri uses poerty t explore?
Question: In The Divine Comedy, Dante Alighieri uses poetry to explore
A. the simplicity of human nature.
B. the complexity of human nature.
C. the existence of life after death.
D. the power of political turmoil.
Answer:
In the divine comedy dante alighieri uses poverty explore "The existence of life after death."
Explanation:
In his story of the poem recollected as the Divine Comedy, Dante imagines a imaginary story of himself who voyages over the particularly spreads of hell, amends, and Ecstasy. Several structures that he calls laterally this voyage have leftward an lasting influence on the Western supposed for more than half a period. In fact, the somewhat conventional pictures of the hereafter clarified are all depicted in his effort. But Dante also found novel ways to depict previously well-formed thoughts, thus further setting them while also redesigning them into new entrances that would develop common to uncountable ages that convoyed.
Answer:
In The Divine Comedy, Dante Alighieri uses poetry to explore the existence of life after death.
The Divine Comedy is an Italian long narrative poem by Dante Alighieri.
The narrative deals with Dante's travels through Hell, Purgatory, and Paradise or Heaven, while allegorically the poem represents the soul's journey towards God. Dante insipired on medieval Christian theology and philosophy, especially Thomistic philosophy and the Summa Theologica of Thomas Aquinas.
Explanation:
1. Wind and moving water provide____ energy. A.chemical
B.mechanical
C.thermal
D.none of the above
plz help;-;
Answer: most likely D
Explanation:
A was close, B not it and C is only for heat use
Wind and moving water provide mechanical energy. They are renewable energy sources that harness the kinetic energy of natural movements to generate electricity. The correct answer is option (B).
Wind and moving water provide a form of energy known as mechanical energy. This type of energy is harnessed through the movement of turbines which convert the kinetic energy of wind or flowing water into electrical energy. Both forms of energy, wind power and hydroelectric power (hydroenergy), are considered renewable energy sources.
Winds and moving water are driven by the energy from the sun, which heats the Earth unevenly, causing wind, and evaporates water to high elevations, where it can later fall and flow due to gravity, powering turbines as it moves. This mechanism is similar across different forms of energy generation, such as fossil fuels, biofuels, nuclear energy, and solar thermal systems, where a spinning turbine creates an electric current.
Thus, the correct answer to the student's question is option B) mechanical energy.
Which of the following is a benefit of crop rotation?
A. It reduces the amount of nitrogen in the soil.
B. It increases the need for large-scale pesticide spraying.
C. It increases the need for artificial fertilizers.
D. It reduces pest insect populations.
Answer:
D. it reduces pest insect population
Which of the following best describes
the Kinetic Theory Model?
A. All particles in matter eventually stop moving.
B. Energy changes have no effect on the state of
matter.
C. When particles in matter gain or lose energy, they
change state.
D. No matter how much energy is present, particles
never move.
Answer:
is C
Explanation:
Teoría cinética molecular. Las leyes de los gases desarrolladas por Boyle, Charles y Gay-Lussac, que establecieron las principales relaciones entre la presión, el volumen y la temperatura de un gas, están basadas en observaciones empíricas y describen el comportamiento de los gases en términos macroscópicos.
The statement which best describes the Kinetic Theory Model is that When particles in matter gain or lose energy, they change state. Thus, the correct option for this question is C.
What is the kinetic theory model?The kinetic theory model may be defined as a type of theory that significantly states that all matter is composed of particles in motion and that the rate of motion varies directly with the temperature. As the temperature rises, the movement of particles gradually increases.
According to this theory model, the molecular composition of the gas is in terms of a large number of submicroscopic particles which include atoms and molecules. Further, the theory explains that gas pressure arises due to particles colliding with each other and the walls of the container.
Therefore, when particles in matter gain or lose energy, they would definitely change state with respect to the energy that is administered to them. Thus, the correct option for this question is C.
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Explain the relationship between ocean circulation patterns during an El Nino event and
the atmospheric circulation.
Answer:
During an El Nino event, ocean currents are reversed along the equator and along the west coast of South and Central America.
Explanation:
During El Niño and Southern Oscillation (ENSO) the atmospheric circulation over the tropical Pacific are changed along with the hindrance in ocean currents.The pool of warm surface water normally driven westward by the trade winds now drifts eastward.The surface waters in the central and eastern Pacific Ocean become significantly warmer than usual during this event.Reduction in the upwelling of cooler, nutrient-rich waters occurs that reverses the ocean currents.Final answer:
El Niño disrupts normal ocean and atmospheric circulation patterns, leading to a redistribution of warm water across the Pacific and altered weather patterns worldwide due to teleconnections.
Explanation:
The phenomenon of El Niño is a significant disruptor of both ocean and atmospheric circulation patterns. During an El Niño event, the normal trade winds weaken or may even reverse, which changes the distribution of warm and cool waters across the equatorial Pacific Ocean. This alteration in ocean circulation leads to changes in atmospheric convection, with a shift in the regions of rising moist air and the associated formation of high and low-pressure systems.
Consequently, the traditional Walker Circulation, which underpins much of the climatic stability in the Pacific region, is disrupted. The movement of warmer waters eastward toward South America suppresses the usual upwelling of cold, nutrient-rich water, leading to a shallower thermocline. This shift in ocean temperatures has far-reaching effects on weather patterns across the globe due to interconnected atmospheric conditions, known as teleconnections).
These teleconnections can trigger extreme weather events such as droughts in areas like Indonesia and Australia, and flooding in South America. The shifts can also offer some degree of predictability to weather patterns in regions such as North America, Brazil, Australia, South Africa, and others, a season in advance. This interconnectedness highlights the delicate balance between the oceanic and atmospheric systems and the global impact of localized changes in the equatorial Pacific.
why do leaves fall off trees in the fall?
It's a way of protecting the trees, and making sure they survive the winter and beyond. Leaves die during the winter months. If those dead leaves stayed on the trees, and new ones wouldn't grow in their place, the tree would have no way of making food for themselves.
Hope it helps. ☺
Leaves fall off trees in the fall due to cooling temperatures triggering deciduous trees to go into a dormant state, conserving water and energy. This process is called senescence. The components within the fallen leaves get recycled by the tree, providing it with nutrients during winter.
Explanation:Leaves fall off trees in the fall due to a process known as senescence. This is a stage in a plant's life cycle when certain parts, such as the leaves of many trees, age and die off. This process is due to several factors, including changes in environmental conditions and photosynthetic efficiency.
Most leaves are the main sites for photosynthesis – the process by which plants produce food. When temperatures start to drop in the fall, the trees prepare for winter. They lose their leaves to conserve water and energy. The onset of cold weather causes leaf drop in a phenomenon known as deciduous trees going dormant.
A waxy cuticle on the outer surface of leaves prevents water loss, and the regulation of water is achieved by opening and closing of stomata - small openings on the leaf surface. However, to conserve water during winter, the trees drop their leaves. The elements within the fallen leaves are then recycled by the tree, feeding it during the colder months.
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A heterozygous male and a homozygous female plants are cross-pollinated. What is the genotypic ratio of the offspring
Answer:
When a heterozygous male and homozygous female plants are cross-pollinated the genotypic ratio of the offspring will be tt, Tt
Explanation:
In a pea plant, when the heterozygous male plant (Tt) is cross-pollinated with homozygous female plant (tt) ;
T × t = Tt
t × t = tt
t × T = tT
t × t = tt
Therefore, the genotypic ratio of the offspring is short and tall (tt, Tt) because the dominance of tall trait is less that the short trait, indeed the chances of tall offspring is low.
Gestalt psychology focuses on _____.
Explanation:
Psychology broadly includes the scientific study of the mind and human behavior and contains many sub specialties which include: clinical human development, social behavior, and the human cognitive process.
Gestalt psychology considers the mind and body together as a unit. Specifically it focuses on the notion of perception in humans as distinct from seeing- our expectations and individual motivations have an influence on perception too.
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Which is not true of the Intertropical Convergence Zone?
A. It is also known as the doldrums.
B. The trade winds move away from it.
C. Heavy precipitation is common.
D. Air rises due to low pressure.
Answer: B. the trade winds move away from it.
Explanation: Just got it correct
The incorrect statement is "the trade winds move away from it"
Explain the intertropical convergence zone.The meeting point of the trade winds from the Northern and Southern Hemispheres is known as the Intertropical Convergence Zone or ITCZ, and it circles the Earth at the equator. A band of clouds known as the International Tropical Climate Zone (ITCZ) wraps around the world at the equator. It moves north during the Northern Hemisphere summer and south during the Northern Hemisphere winter.It is also known as the doldrums.It's where the trade winds collide.It's a high-pressure zone with sinking air.Heavy precipitation is common.
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How does the building of models help you understand the structure of carbon molecule?
Answer:
Models help us to get a better understanding of structures and processes which otherwise would have been difficult to understand. Models illustrate structures ans processes in the form of chemical equation, mathematical equations, computer simulations, drawings etc.
The building of a carbon molecule will help us understand the structure of a carbon atom and the various bonds that it can form, The model will be able to depict the various ways in which the electronic configuration of the carbon atom can change to form different compounds.
when essential nutrients are depleted some genre of bacteria
Which cells uses mitosis and meiosis
Answer:
Somatic cells use mitosis
Explanation:
somatic cells are body cells or skin cells
Identify the producers and consumers in this food web which organisms in the food web receive their energy directly from sunlight?
The cactus and brittle bush get their energy from sunlight because they are plants and use photosynthesis to make their own food.
Final answer:
Plants, algae, and some bacteria are the producers in the food web that receive their energy directly from sunlight.
Explanation:
Producers in a food web are organisms that conduct photosynthesis or synthesize sugars through other means, such as plants, algae, and some bacteria. These organisms obtain their energy directly from sunlight and convert it into usable chemical energy. Consumers, on the other hand, rely on producers, either directly or indirectly, for their energy. They include animals, fungi, and various microorganisms. For example, a deer receives its energy by eating plants, which in turn obtained their energy from sunlight. Therefore, the producers in the food web that receive their energy directly from sunlight are the plants, algae, and some bacteria.
what the nucleus during prophase 2
Answer:begins without any further replication of the chromosomes. the nuclear envelope breaks down and the spindle apparatus forms
Explanation:
some plants taht grow on forest floors where there isn't much light have bigger
Some plants that grow on forest floors where there isn't much light have bigger ecological advantages.
Explanation:
Some of the plants that grow on the forest floor do not get ample amount of sunlight. Sunlight is required for the process of photosynthesis. These plants are less in number a lot of purposes. They become food for the herbivorous animals push up they also supply cheap form of wood for construction purposes. They also provide the support system for epiphytes and other climbers.
Which of the following is one way that beach erosion can occur?
1.currents increasing the sand on the beach with additional sand from the ocean
2.storm waves bringing sand to the beach from the ocean
3.storm waves pulling sand from the beach out into the ocean
4.currents replacing sand on the beach with sand from the ocean
The following is one way that beach erosion can occur is storm waves pulling sand from the beach out into the ocean.
What are the causes of maritime erosion?Marine erosion, also called maritime erosion, is defined as “the process of wear, transport and sedimentation of rocks and coastal soils by erosive agents”. Fundamentally, it can be caused by the action of three factors: waves, currents and tides.
As natural causes, sea level rise, storm surge, tectonic subsidence and changes in watersheds can be listed. As anthropic causes we can mention the subsidence of the soil, the removal of sand for human activities and the construction of dams.
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Is cypris autotrophic or heterotrophic
Cypris is a heterotroph.
Explanation:
Cypris are the members of kingdom Animalia which are multicellular crustaceans. These organisms are both marine and fresh water, but most of them are fresh water pond dwellers. They are microscopic, which needs to be seen through microscope at 40x for proper visualization.
Cypris are heterotrophs which live in the debris below the water bodies and collect their food from them only. They are covered by 2 shells, and a pair of antennae and limbs project out of the body. They are easily eaten by hydra and small fishes as delicious food.
Select all that apply.
Which of the following statements are true about hemophilia?
It is an example of an autosomal dominant disorder.
It is an example of an autosomal recessive disorder.
It is an example of a sex-linked disorder.
It involves a protein inside the red blood cells.
It is a disease in which a person has trouble stopping bleeding.
Its a sex linked disorder and it makes stopping the bleeding slower in affected individuals.
Explanation:Hemophilia is a sex linked recessive disorder which occurs due to a gene present in the X chromosome. The presence of this gene in males surely make the individual hemophilic because the Y chromosome doesn't contain any dominant factor of this gene. In females, the recessive individuals become carriers without expression of this gene. Only the dominant individuals in females expresses Hemophilia.
Its a disease where the Christmas factor (Factor IX) or the antihemophilic factor(Factor VIII) is absent in the affected individual. This makes the cascade theory incomplete and there's a defect in blood clotting in both the intrinsic and extrinsic pathways. Thus the persons if starts bleeding, loses a lot of blood before coming to a stability.
Answer:C.) It is an example of a sex-linked disorder. E.) It is a disease in which a person has trouble stopping bleeding.
Explanation:
QUESTION 1
An excessive, abnormally large scar is a:
O callus.
O corn.
O cicatrix.
O keloid.
A keloid is an excessive, abnormally large scar caused by an overproduction of collagen that exceeds the original wound and may continue to grow even after it has healed.
Explanation:The excessive, abnormally large scar referred to in the question is known as a keloid. Unlike a callus, corn, or cicatrix, which are all common types of scar formations, a keloid forms when the healing process in the skin extends beyond the original wound, resulting in a large raised scar. This is due to an overproduction of collagen, creating a smooth, hard growth. It is important to note that keloids may continue to grow long after the wound has healed.
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Which statements accurately describe the roles of producers and consumers? Check all that apply.
Producers make and sell things.
Consumers buy goods and services.
Producers buy goods and services.
Consumers make and sell things.
Producers provide services to consumers.
Answer:
1,2,5 are correct
Explanation:
Producers make and sell things, consumers buy goods and services, producers provide services to consumers.
Explanation:The statements that accurately describe the roles of producers and consumers are:
Producers make and sell things.Consumers buy goods and services.Producers provide services to consumers.Producers are the individuals or businesses that create goods or services. They produce and sell products to consumers who buy them. Consumers, on the other hand, are individuals or households that purchase goods and services from producers. They play a crucial role in the economy by creating demand for products and services.
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