Explanation:
Geothermal energy is generally considered environmentally friendly and does not cause significant amounts of pollution.
Geothermal reservoirs are naturally replenished and therefore renewable (it is not possible to exhaust the resources).
Massive potential – upper estimates show a worldwide potential of 2 terawatts (TW).
Excellent for meeting the base load energy demand (as opposed to other renewables such as wind and solar).
Great for heating and cooling – even small households can benefit.
Harnessing geothermal energy does not involve any fuels, which means less cost fluctuations and stable electricity prices.
Small footprint on land – can be built partially underground.
The geothermal sources of energy along with oil and gas are an additional source of energy and these sources help to meet the increasing demands of energy with reduced emissions.
What is geothermal energy?The heat generated within the earth is termed geothermal energy. The geothermal source is a renewable energy source. These sources include hot springs, hydrothermal vents, steam vents, and geysers. The heat from these sources can be captured and used directly or the steam is used to generate electricity.
Geothermal energy is useful in generating electricity as well as in heating and cooling applications. It is a renewable source of energy because the heat is continuously produced inside the earth. Therefore, it is a never-exhausting source of energy.
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Water filters down through the surface and enters groundwater or aquifers, by ________ A percolation B precipitation C condensation PLEASE HURRY IN A TEST!!!!!!!
Answer:
A. percolation
Explanation:
what are the three parts of a DNA molecule
Answer:
A phosphate group, a sugar group, and one of four types of nitrogen bases
Explanation:
DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group, and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.
Stephanie F. is a 30-year-old professional woman in her first trimester of pregnancy. She and her husband entertain guests frequently and enjoy specialty cheeses on these occasions. They buy fresh produce, eggs, milk, and cheese from a local farmer’s market each week and limit their intake of packaged foods. She has no food aversions and eats a variety of foods. Stephanie wants to make sure her diet is nutritious and safe for pregnancy. She decides to evaluate her typical daily intake:
Breakfast:
Coffee with cream and sugar (2-3 cups)
Orange juice (1 cup)
Bagel with lox and cream cheese
Lunch:
Fresh vegetable salad with canned tuna or deli turkey
Cheese with fruit and crackers
Iced tea with sugar and lemon
Dinner:
Beef, pork, poultry, or fish
Pasta or rice
Fresh cooked vegetables
Snacks:
Cookies and milk
Fresh fruit
Questions:
1. During her pregnancy, what special considerations for food safety should Stephanie keep in mind when buying fresh produce, juice, and dairy foods at her local farmer’s market? Explain.
2. What changes could Stephanie make to her usual breakfast to meet the current dietary recommendations for pregnancy presented in this chapter? Explain your answer.
3. Due to their high content of mercury, what types of fish should Stephanie completely avoid during her pregnancy?
4. What precautions regarding meat, poultry, seafood, and eggs should Stephanie be aware of during her pregnancy? Why is it important for her to follow this advice?
Answer:
Explanation below
Explanation:
Stefanie should be aware that eating two much of food that is reach in fat during her pregnancy is very bad. This because the food substances will make the baby to be extraordinarily big and can results to a prolonged labor for the mother.
Therefore, according to present food intake procedure, Stephanie should avoid any food that can make the unborn child necessarily big.
Which graduated cylinder would you use to measure exactly 15.0mL of water for an experiment?
Answer: i think it's a A 50-mL volumetric cylinder with 0.1-mL accuracy scale
Explanation:
why are zebras and donkeys considered different species
Answer:
there are two reasons: first , the offspring produced by interbreeding are usually sterile.But second, horse, donkeys, and zebras don't, in the wild l, typically interpreted with one another.Rather, they breed among themselves, maintain consistent, different appearances in the nature.
Hope it helps you
Select statements that accurately describe receptor tyrosine kinases (RTKs).
a) The intracellular domain has phosphatase domains.
b) Some RTKs are dimeric in the presence of a ligand.
c) Ligand binding is required for autophosphorylation (cross‑phosphorylation).
d) The structure includes a transmembrane helix.
e) The α subunit contains seven α helices that span the membrane.
f) A ligand binds to the extracellular domain.
Answer: B,C,D,F
Explanation:
Of the given propositions it is correct that:
B. RTKs are generally (but not always) monomeric in the absence of ligand.
The observed structure of most RTKs are monomeric, thus their structure will adapt to the needs of the organism
C. A ligand binds to the extracellular domain.
When the cell can express extracellular domains, many of the ligands that circulate through the medium will be able to find their targets and trigger reactions.
D. Ligand binding is required for autophosphorylation (cross phosphorylation).
After the ligand finds its domain, the union will generate conformational changes, including autophosphorylation. which will produce chain reaction
F. The structure includes a transmembrane helix.
it is true that the membrane has a propeller that allows its conformation
Why is there a border between light and dark on the moon
Answer:
As the Moon orbits around the Earth, we are able to see more or less of the half that is illuminated. ... There is a border between light and dark on the moon because the sun illuminates the half of the moon that is facing it. Leaving the other half dark.
Explanation:
Hope this helps!
The moon is the earth's only natural satellite and it gets its light from the sun. The moon changes its phases from a new moon to a full moon.
The terminator is the dividing line that is found between the moon's lighter and darker sides. It is sometimes known as the twilight zone. It can be seen during the rising and setting of the sun. The line is there so as to indicate the difference between night and day. The sun can illuminate only that part that is facing it. As the moon also rotates around the earth only that side is visible.Hence the sunlight travels in a straight path and can't reach the other side.
Learn more about the there border between light and dark on the moon.
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Which of these produces the cell's chemical energy?
A. Endoplasmic reticulum
B. Membrane
C. Mitochondria
D. Nucleus
Answer:
C
Explanation:
Why could’nt solid ice have been merged into the Earth when it was created?
a. Ice wasn’t made yet
b. All the ice that formed went to Mars
c. Ice could only form on comets
d. It was too hot in the inner solar system at the time of its formation
Answer: Option B.
All the ice that formed went to Mars
Explanation:
Ice is the solid part of water i.e frozen water. It appear transparent. It is abundant and close to the sun. It is abundant on Earth surface, particularly the polar regions.Frozen water also lies beneath the surface.
All ice that formed went to the Mars because Mars is closer to the Earth.
HELP Using your knowledge of nonrenewable energy sources, choose the answer that BEST describes the environmental impact (s) associated with these energy sources.
Non renewable energy sources such as coal, oil and natural gas contribute to air pollution and cost more money.
Non renewable energy sources do not really have any major impacts on the environment.
Solar energy is the best type of energy for the environment.
Non renewable resources such as coal, oil and natural gas contribute to air pollution, water pollution and global warming.
Answer:
Non renewable resources such as coal, oil and natural gas contribute to air pollution, water pollution and global warming.
Explanation:
Non-renewable energy sources are the energy sources that do not naturally replenish themselves. At some points in the nearest future, their sources would be become depleted.
Non-renewable energy sources such as coal, crude oil and natural gas contribute to the pollution of the environment in varying degrees. They require burning and this process leads to the release of gases such as carbon dioxide, carbon monoxide, oxides of sulfur and nitrogen,methane, water vapor, etc.
The released gases often posses different threats to organisms in the environment at certain level, constituting what is known as environmental pollution. Some of them dissolve in rain water to cause acid rain, some are directly poisonous when inhaled by living organisms, while a host of the pollutants absorb radiation from the sun and cause the warming of the planet, a phenomenon known as global warming.
Crude oil spillage or that of the any of its derivatives cause various environmental problems. They are poisonous to aquatic lives and render water useless for humans.
Trait X is dominant to x. if you cross a homozygous dominant parent with a heterozygous parent , what is the chance that the offspring will express the recessive trait?
Answer:
50% chances
Explanation:
Here trait X is dominant to x, so alleles of homozygous dominant parent will be XX and alleles for heterozygous parent will be Xx.
When homozygous dominant parent will be crossed with heterozygous parent, the result will be XX, XX, Xx and Xx. There are total four offspring out them two offspring express the recessive trait.
Hence, there are 50% chances that the offspring will express the recessive trait.
2 Points
How are organisms in the domain Eukarya different from those in the domain
Archaea?
Explanation:
Domain archaea holds micro-organisms that is bacteria that has cell wall consist up of peptidoglycan .The eukarya differ from the archea and bacteria in that cells are eukaryotic,meaning they consist up of a membrane enclosed nucleus and other membrane enclosed organelle
What is the definition of the length constant? What does the length constant tell you in terms of the electrical signal? Neurons are designed to maximize the length constant – why? What aspect of a neuron’s cable properties are manipulated to maximize the length constant? How are neurons modified (i.e. what is done to the structure of the neuron) to maximize the length constant?
Answer:
The overview of the given problem is outlined in the following section mostly on explanation.
Explanation:
The constant length seems to be a constant value which used to measure the distance between the grade electron density and the neurite through passive electron flow. The larger the quality of the distance constant, the faster the potential goes, throughout consideration of the electronic current.
The electronic replacement through one potential from neighboring areas including its cell will lead with the spatial description by a broad constant of length. This length decreases with either the size of that same neuron rising.The length constant, means of characterizing how much continuous current that flows extends until it bursts out from the axon, despite constants of limited period meaning leakier axons. The resistance of that same membranes should be just as efficient as possible as well as the tolerance of its axoplasm or extracellular media must be weak to enhance the efficient movement of current via an axon. Which of the following best describes a process that helps a cell maintain homeostasis without requiring energy to be used?
1. Channel proteins provide a passage for molecules to cross the membrane via facilitated diffusion.
2. Membrane carrier proteins help substances enter the cell against a concentration gradient.
3. Pieces of the cell membrane for vesicles circulate around extracellular materials during endocytosis.
4.Protons are pumped out of the cell to create a voltage across the cell membrane.
Answer: BY
Explanation: Maintaining osmotic balance by taking in or releasing water to match the water concentration of the extracellular environment i know it's not 1234 on your list but this is the knowledge i know about your question so i hope it's helps you on the subject.
The activity of an enzyme was examined in the laboratory as it catalyzed the formation of the product B, from the substrate A. This reaction was carried out in an aqueous solution consisting of water and copper sulfate at a pH of 7. While attempting to repeat the experiment, a biochemist uses a solution of pure distilled water (pH = 7) and observes that the rate of formation of B has decreased dramatically. Which is the most likely possible explanation for this result?A. The enzyme’s optimal activity is not at pH 7.B. Sulfate ions inhibit binding of A to the enzyme’s active site.C. The enzyme needs copper ions to act as cofactors for optimal enzyme activity.D. The enzyme needs the presence of a coenzyme to function.E. B is unstable and cannot be measured.
Answer:
The enzyme needs copper ions to act as cofactors for optimal enzyme activity.
Explanation:
Phosphorylation is another word for glycolysis
Answer: no
Explanation:
What planet rotates from top to bottom?
Answer:
Uranus
Uranus' axis is tilted, so it rotates from top to bottom.
Which of the following cells go through MEIOSIS?
a) skin cells
b)reproductive system
c)stomach cells
Answer:
Reproductive system is the answer to your question.
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When you use toothpaste, part of a protist is helping to smooth and clean your teeth. Which part of the protist and type of protist are most likely responsible for this benefit to humans?
cell walls; plant-like
flagellum; plant-like
spores; fungus-like
cilia; animal-likeWhen you use toothpaste, part of a protist is helping to smooth and clean your teeth. Which part of the protist and type of protist are most likely responsible for this benefit to humans?
cell walls; plant-like
flagellum; plant-like
spores; fungus-like
cilia; animal-like
Answer:cell walls; plant-like
Explanation:
Diatoms are white, porous and soft I'm nature. When it's die, it's leave it's shells which is made of silica glass.
The silica glass is some how abrasive which is why it is use as toothpowder.
Diatoms are microscopic bit of silica glass which are use as fine abrasive in toothpaste to clean teeth.
The cell wall of a plant-like protists called diatoms helps in cleaning our teeth.
What are diatoms?Diatoms are small protists which when dead, they are incorporated into glass particles.
Toothpaste have fluoride as it's main component.
Fluoride is obtained from fluorspar.
There, the cell wall particles of the diatoms which are plant like are incorporated into toothpastes.
Therefore, the cell wall of a plantlike protists helps in cleaning our teeth.
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what is the kingsnakes closest relative
dog
stick insect
goldfish
Answer:
goldfish
Explanation:
There are many organism which shows some relative character with other organisms.
Kingsnakes and goldfish has some similarities that makes them closest relative. They both are cold blooded and have common phylum that is Chordata. They both are vertebrates and their spinal cord is enclosed and protected by series of bones.
some species of kingsnakes such as Mexican milk snake and red milk snake and goldfish have posses coloration and patterning which protect them from invasion of other organisms. They both have scales in their body, though the scales are not homologous.
Hence, the correct option is goldfish.
Which Hormone is least active while ovulation is occurring?
A. Luteinizing hormone
B. Estrogen
C. Follicle-Stimulating Hormone
D. Progesterone
Answer:
B estrogen (I think)
Answer:
Progesterone
Explanation:
With age, somatic cells are thought to accumulate genomic "scars" as a result of the inaccurate repair of double-strand breaks by nonhomologous end-joining (NHEI). Estimates based on the frequency of breaks in primary human fibroblasts suggest that by age 70 each human somatic cell may carry some 2000 NHEl-induced mutations due to inaccurate repair. If these mutations were distributed randomly around the genome, how many genes would you expect to be affected? Would you expect cell function to be compromised?'vVhy or why not? (Assume that 2% of the genome-l.5% coding and 0'5% regulatory-is crucial information.)
Answer:
The size of the human genome is 3.3 * 10^9 bp, as mentioned the coding and regulatory sequences of DNA is 2 percent of the entire genome, that is, 3.3 * 10^9 bp * 2%, which will be equal to 6.6 * 10^7 bp.
Let us assume that there is equal distribution of the 2000 non-homologous end joining induced mutations. Thus, 1 NHEJ shall takes place after every 3.3 * 10^9 bp / 2000, which will be equal to 1.65 * 10^6 bp in genome.
Now, the number of NHEJ in the regulatory and coding region would be,
6.6 * 10^7 bp / 1.65 * 10^6 bp = 40
A maximum disruption of two genes, that is, one at each end can take place by each NHEJ. Thus, the number of genes getting affected by 40 NHEJ would be 80, that is, about 0.38 percent of the entire genes. About 21000 genes encodes protein in human genome.
Yes, the cell function would be compromised as there will be a loss of gene, and at the same time its products, that is, the regulatory RNAs and protein would drastically influence the activity of the cells.
All mammals have all of the following
characteristics except...
*
Answer:
You need to list the characteristics to choose from.
Explanation:
Which form of succession replaces
an
existing system after a calamity?
Answer:
Secondary succession
Explanation:
Ecological succession is the term used to describe any series of change in the composition of an ecosystem over a particular period of time. Ecological succession is made up of two types viz: primary succession and secondary succession.
Primary succession involves the formation of a brand new ecosystem by the colonization of a barren area of land e.g bare rock, where no life existed. Secondary succession, on the other hand, is the recolonization of an area by a new set of organisms because the previously existing organisms have been wiped out by certain disasters e.g fire outbreak, hurricanes etc. In secondary succession, there is soil, which makes it possible for new organisms to sprout quickly after the calamity.
Example of secondary succession is when a fire outbreak burns the organisms in a community, allowing the root of grasses to sprout after.
In human blood types, alleles A and B are codominant and are both dominant to allele i. Type O blood results from the genotype ii. What blood types are possible among the children of two parents with type O blood?
A and B only
A and O only
O only
Answer:
A and O only
Explanation:
because they are codominant
Where does your organism live? Describe its habitat.
(CM.05] In the United States, tornadoes generally occur because of the
freezing of ocean water
underwater earthquakes
meeting of cool and warm air masses
shifting of warm and cool ocean currents
Fill in the blanks with the correct word or phrase
The process of change in a population overtime is called --------------
The process by which organisms that are better adapted to the environment survive and reproduce is called --------------------
Answer:
Essential knowledge #1: Natural selection is a major mechanism of evolution. Essential knowledge #2: Natural selection acts on phenotypic variations in populations. Essential Knowledge #3: Evolutionary change is also driven by random processes
Explanation:
Essential knowledge #1: Natural selection is a major mechanism of evolution. Essential knowledge #2: Natural selection acts on phenotypic variations in populations. Essential Knowledge #3: Evolutionary change is also driven by random processes
What is the purpose of a pedigree ?
Answer:
To help track the inheritance of a specific trait over multiple generations.
Explanation:
Pedigrees are used to analyze the pattern of inheritance of a particular trait throughout a family. Pedigrees show the presence or absence of a trait as it relates to the relationship among parents, offspring, and siblings.