Answer:
“Black smokers” are chimneys formed from deposits of iron sulfide, which is black. “White smokers” are chimneys formed from deposits of barium, calcium, and silicon, which are white. A venting black smoker emits jets of particle-laden fluids.
Explanation:
By what means has the overuse of antibiotics in medicine and agriculture lead to the current global problem of antibiotic resistance?
The overuse of antibiotics significantly increases the bacterial mutation rate, causing more antibiotic-resistance mutations to occur.
Humans develop an immunity to antibiotics, rendering them ineffective.
Indiscriminant use of antibiotics selects for resistant bacteria and increases their numbers.
Antibiotic resistance is a fabricated problem used to sell newer and more expensive antibiotics.
Answer:
Sorry I don't know
Explanation:
Because I think so its not of my class and BTW can I know ur name?
Okk
If something no longer exists then it is considered what?
Answer:
extinct?
Explanation:
i think we need a bit more context like subject or smthng
when are the arms and legs most susceptible to teratogens?
When tissues and organs are forming during the organogenesis stage, which lasts from 3 to 8 weeks of foetal life, teratogens may cause serious congenital anomalies,
Organogenesis occurs in the embryo between implantation, which happens at around 14 days after conception, to about 60 days after conception.This is often the time when teratogenesis is most vulnerable and a deformity is most likely to result from exposure to the a teratogenic substance. When tissues and organs are forming during the organogenesis stage, which lasts from 3 to 8 weeks of foetal life, teratogens may cause serious congenital anomalies, whereas exposure during the first 2 weeks of pregnancy may only result in minor functional and morphological issues. Approximately 10 to 14 days after conception, according to experts, teratogens can start to damage a kid developing in the womb. The first 12 weeks are when the foetus is most susceptible.
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The weight of astronaut on the moon will be
A) Less because the moon has less mass
B) Less because the moon has more mass
C) More because the moon has less mass
D) More because the moon has more mass
Answer:
A
Explanation:
The gravity of a body increases with its size. The moon is smaller than the Earth, so an astronaut will weigh less on the moon than they will on Earth. Good luck ^^
Explanation:
A because im big brain
Which of the following is an example of incomplete dominance
Which of the following statements regarding cultural views of postpartum activities are accurate? Check
all that apply.
Some cultures believe in limiting a woman's activities for one month following
childbirth.
Some cultures embrace and accept postpartum depression.
Some cultures believe postpartum depression to be a shameful experience.
Most cultures do not allow women to rest after childbirth.
Answer:
A B C
Explanation:
correct on edge
How is tRNA is used when cells build proteins?
Answer:
The tRNA is used when cells build proteins because it brings amino acids to the ribosomes on mRNA. this causes the acids to bond with the ribosomes, forming a protein.
one major personality trait that has been linked to genetic factors is __________, defined as the degree to which a person is outgoing and seeks contact with others.
One major personality trait that has been linked to genetic factors is extraversion, defined as the degree to which a person is outgoing and seeks contact with others.
Extraversion is a personality trait characterized by outgoingness, assertiveness, and high levels of social interaction. Extraverts are typically very outgoing, social, and enjoy meeting new people, attending parties, and other social events. They are frequently described as gregarious, friendly, and talkative. Furthermore, they are energized by being around other people. This personality trait has been linked to genetic factors. Apart from extraversion, there are other Big Five personality traits including conscientiousness, agreeableness, neuroticism, and openness to experience. Each trait is believed to be influenced by a combination of genetic and environmental factors.
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Which countries would be impacted if the world transitioned away from coal?
Answer:
…
Explanation:
1. A(n)
is a chemical used by a cell to grow and function.
Answer:
I think Cell energy not sure but thats what it sounds like
The chemical known as Adenosine triphosphate is used by cells to grow and function.
What is Adenosine triphosphate?The most abundant energy carrier molecule in cells is adenosine 5'-triphosphate, or ATP. This molecule is comprised of three phosphate groups, a nitrogen base (adenine), and a ribose sugar.
Adenosine triphosphate (ATP) is the cellular power source for use and collection. ATP is a nucleoside triphosphate with the structure of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups.
Thus, the chemical known as Adenosine triphosphate is used by cells to grow and function.
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1: Explain why cellular respiration releases energy as an overall chemical reaction.
2:Explain why the amount of biomass and stored energy is lower at high trophic levels than it is at low trophic levels
Cellular respiration is the metabolic reaction inside the cell to convert chemical energy into ATP. Biomass is the total mass of organisms at a trophic level.
What is exothermic reaction?The type of reaction in which releases energy after its completion.
Cellular respiration releases energy because it is an exothermic process in which energy is released as a by-product of the reaction.Organisms are larger in size at higher trophic levels, but their smaller numbers result in less biomass.Thus, being exothermic in nature, cellular respiration releases energy and because of less numbers, there is less biomass at high trophic levels.
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the yellow cast to the skin that indicates liver disease
The yellow cast to the skin that indicates liver disease is referred to as jaundice.
Jaundice is a condition characterized by a yellow discoloration of the skin and whites of the eyes that indicates an elevated level of bilirubin in the bloodstream. Bilirubin is a yellow-colored substance produced during the natural breakdown of red blood cells in the body.
When the liver is damaged, it is unable to process bilirubin effectively, leading to a buildup of bilirubin in the bloodstream, which causes jaundice. The yellowing of the skin is not the only symptom of liver disease.
Other symptoms may include abdominal pain, swelling, and tenderness, nausea, and vomiting, loss of appetite, fatigue, weight loss, and fever. The severity of the symptoms varies depending on the underlying cause of the liver disease and the stage of the condition.
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Please label all of these
Answer:
A. Duodenum
B. Liver
C. Stomach
D. Pancreas
E. Large intestine
F. Gallbladder
Which best describes the alternation of generations?
A.fertilization produces haploid spores
B. Meiosis produces a diploid zygote
C. A gametophyte is it’s diploid phase
D. A gametophyte is it’s haploid phase
The alternation of generations is a gametophyte in its haploid phase. Option D.
The term refers to the life cycle of most plants with generations alternating between haploid gametophytes and diploid sporophytes. All embryonic plants and some algae go through this process. The gametophyte is the stage in the life cycle of plants and algae that undergoes alternation of generations.
A haploid multicellular organism develops from a haploid spore with a single set of chromosomes. Male and female gametes fuse to form a diploid zygote that gives rise to the sporophyte. This phenomenon is called the alternation of generations. example. Fern. The delicate leaf-like leaves of mature ferns drop spores from the sporophyte structure on the underside of the leaf. Alternation of generations means that a plant alternates between its two different life stages or generations in its life cycle.
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this procedure for measuring cell size has certain limitations . List three such limitations
The limitations of cell size are:
1) Surface area to volume ratio
2) Nucleo cytoplasmic ratio
3) Fragility of cell membrane
What are the cause of limitations on cell size?
The need for a surface area of sufficient area to allow the cells function→.
→If the surface area of cell increase volume increase to the cube of the linear increase.
→ Nuclie contains information needed for protein synthesis . Some cells reduce this limitation to increase the no. Of nucleus called multinucleated.
Examples are muscle cells.
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Measuring cell size has specific limitations
Exterior area to volume ratio Nucleo cytoplasmic proportion The fragility of cell membraneThe key element that limits the size of a cell is the ratio of its surface area to its volume.
What limits the sizes to which cells can grow?
One statement is that cell sizes are limited by surface-to-volume ratios. Cells that are too large in volume may be determined by the rate at which nutrients are taken up, which in turn is limited by the cell's membrane exterior area.
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Which of the following describes the range of a butterfly?
Group of answer choices
A. throughout the US and Mexico
B. approximately 4 butterflies die each day
C. the milkweed plant
D. 10,000 butterflies/acre during the breeding season
The option that describes the range of a butterfly is the milkweed plant. Thus, the correct option is C.
What is species range in ecology?A species range may be defined as an area where a particular species can be found during its lifetime.
The population of butterflies may migrate or hibernate in the locality of the milkweed plant itself. They take the nutrients required for growth and reproduction from the milkweed plant.
Therefore, the correct option is C.
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A biology student is examining the relationship between light intensity and oxygen production in the freshwater green algae Spirogyra. Using an oxygen meter to measure the amount of oxygen produced, the student has graphed the data as shown in the figure. What data point is most likely to be invalid as a result of measurement error? Responses 3 dm 3 dm 2 dm 2 dm 1 dm , 1 dm 4 dm 4 dm Skip to navigation
Answer: 4 dm
Explanation:
i took the test. the point 4 dm is really different than the other points
Key hormones of the sympathetic nervous system include:_______
Answer: norepinephrine and epinephrin
Explanation:
The main hormones of the sympathetic nervous system are Norepinephrine and Epinephrine. Both hormones are vital for preparing the body for action, either to 'fight or flight'.
Explanation:The key hormones of the sympathetic nervous system include Norepinephrine and Epinephrine. These hormones play a vital role in preparing our body for action, commonly known as the 'fight or flight' response. Norepinephrine, also called noradrenaline, is chiefly responsible for raising heart rate, increasing blood flow, and minimizing digestive process. Epinephrine, also known as adrenaline, intensifies the body's metabolism and physical strength while suppressing non-emergency bodily processes like digestion.
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How does the body plan and anatomy enable the chordate to perform essential functions it needs to survive?
Answer: Keep in mind invertebrates are those who have exoskeletons (outside skeleton) or are hydrostatic (no skeleton). This make up 95% of all animals for example an ant or sponge. For a sponge, all it has is tissues that enable it to allow water to flow out the tops.
2.) Chordata are anything with vertebrates so a simple fish could suffice. THEY HAVE 4 SPECIFIC CHARACTERISTICS: 1.Notochord 2.Dorsal, hollow nerve cord 3.Pharyngeal slits 4.Muscual, an.al tail
3.) This is us, we have thumbs, and vertebrates. brainliest
Explanation:
Answer:
b
Explanation:
Biology Life as a hunter round 2 I need help can’t find any answers
The wildebeest would provide the most energy to a lion pride out of the given options. Option a is correct choice.
Lions are apex predators that hunt and feed on a variety of large herbivores in the African savanna, including wildebeests, zebras, and warthogs. Wildebeests are large antelopes that can weigh up to 600 pounds (272 kg) and have a high percentage of body fat, making them an excellent source of energy for lions.
Warthogs and zebras are also common prey species for lions and provide a good source of energy, but they have slightly lower caloric content than wildebeest. Meerkats, on the other hand, are small mammals that weigh only a few pounds and would not provide as much energy as the other options. Hence, option a is correct.
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-The complete question is, Biology Life as a hunter round 2 Which of the following prey would provide the most energy to a lion pride?
a. wildebeest
b. warthog
c. zebra
d. meerkat--
what's a photo of carbohydrates, lipids, nucleic acids, and proteins look like?
»»————- hello there ————-««
the answer is down below
ততততততততততততততততততততততততততততততততততততততততততততততত
Go on Google and write in the search bar "what's a photo of carbohydrates, lipids, nucleic acids, and proteins look like?" and click on "images"
or
just type in "How does carbohydrates look like", " How does lipids look like", "What does nucleic acids look like", and "What does proteins look like."
ততততততততততততততততততততততততততততততততততততততততততততততত
i hope the answer helps you
can u give a thanks
thank you
゚・:*。(ꈍᴗꈍ)ε`*)~。*:・゚
According to the law of conservation of mass, what is the mass of sodium oxide (Na2O) formed in this reaction?
Answer:
123.96 grams
Explanation:
Add the numbers underneath 4Na and O2 (^3 ^)
the majority of the staphylococci isolated from human skin are coagulase-positive. the majority of the staphylococci isolated from human skin are coagulase-positive. true false
The majority of the staphylococci isolated from human skin are coagulase-positive. the majority of the staphylococci isolated from human skin are coagulase-positive. Given statement are false.
Instead of being the primary cause of disease, S. aureus is typically isolated from an abscess, boil, or other skin lesion as a result of its secondary invasion of a wound. Similar to abscesses, breast abscesses or mastitis, dermatitis or skin infections, and genital tract infections, S. aureus can also be isolated from these conditions.
Clinical specimens are often cultured on Blood agar to isolate staphylococci (described in Lab 14). A spherical, elevated, opaque colony with a diameter of 1-2 mm is produced by staphylococci. The novobiocin disc is used to assess novobiocin sensitivity or resistance.
It is the main contributor to skin and soft tissue infections such cellulitis, furuncles, and abscesses (boils). S. aureus can cause serious infections such bloodstream infections, pneumonia, or bone and joint infections, even though most staph infections are not dangerous.
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Which of the following statements correctly describes one characteristic of DNA replication in eukaryotes? a) Ligase separates the double stranded DNA. b) In the lagging strand, DNA is replicated in short pieces called Okazaki fragments, which are then joined together at the end of the process. c) In the leading strand, DNA is replicated in short pieces called Okazaki fragments, which are then joined together at the end of the process. d) Helicase joins the Okazaki fragments together in the lagging strand.
In the lagging strand, DNA is replicated in short pieces called Okazaki fragments, which are then joined together at the end of the process. The correct statement is b)
During DNA replication in eukaryotes, two strands called the leading and lagging strands are formed. The leading strand is synthesized continuously, while the lagging strand is synthesized in short, discontinuous pieces called Okazaki fragments. This occurs because DNA polymerase can only synthesize DNA in the 5' to 3' direction.
As the replication fork progresses, the lagging strand is replicated in short pieces, which are synthesized by DNA polymerase and then joined together by DNA ligase. This process ensures that both strands are replicated accurately and efficiently, maintaining the integrity of the genetic information.
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How are the equator and the prime meridian used on maps?
to provide a reference system
to separate Earth’s four hemispheres
to measure distances east and west
to identify the location of Earth’s continents
Answer:
A- to provide a reference system
Explanation:
The equator and prim meridian used on maps provides a reference system for determining location and navigating the earth.
An equator is the only line of latitude that is a great circle.
Prime meridian is a line of longitude that is 0°
When both are used, they can form the basis of a reference system to determine places on earth.
Using these lines, we can assign values of coordinates to the earth surface to facilitate location determination.
The equator and prime meridian are used on maps to provide a reference system.
The equator and the prime meridian used on maps to provide a reference system. Thus, option A is correct.
What is the use of equator and prim meridian?The equator and prim meridian used on maps provides a reference system for determining location and navigating the earth. An equator is the only line of latitude that is a great circle. Prime meridian is a line of longitude that is 0°.
When both are used, they can form the basis of a reference system to determine places on earth. Using these lines, we can assign values of coordinates to the earth surface to facilitate location determination. The equator and prime meridian are used on maps to provide a reference system.
Therefore, When both are used, they can form the basis of a reference system to determine places on earth. The equator and the prime meridian used on maps to provide a reference system. Thus, option A is correct.
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“Some viruses are programmed to reproduce by identifying bacteria, killing them, and assembling new viruses.viruses do not eat the bacteria and do not grow after they are made. Viruses are not alive. Explain two reasons why.”
Traditionally, treatment involves chemotherapy, surgery, radiation therapy and/or immunotherapy. (haematuria), pyrexia (fever), reduced food and water intake, weight loss and decreased physical activity. Proposed research: 1. Obtain SPF Wistar rats (x300) from an accredited laboratory 2. Allow rats to acclimate to the laboratory for 24 hours 3. Allocate rats randomly to an experimental group, a model group and a control group
The primary objective of the proposed research is to study the effects of a certain treatment in Wistar rats. The secondary objective of this study is to measure various health parameters such as food and water intake, weight loss, physical activity, haematuria, pyrexia, etc.
In the given research proposal, traditional treatment involving chemotherapy, surgery, radiation therapy, and immunotherapy are discussed. These treatments have many side effects that affect a patient's overall health. Therefore, it is essential to research alternative treatments that are safer and have minimal side effects. This is the main objective of the proposed research.In the secondary objective, it is mentioned that health parameters of the rats will be studied. The researchers will use SPF Wistar rats to conduct this study. SPF Wistar rats are usually obtained from an accredited laboratory.
These rats are free from infections and diseases, which make them ideal for experimental research.The researchers will allow the rats to acclimate to the laboratory environment for 24 hours before conducting any experiments. This is necessary as it ensures that the rats are comfortable and healthy. After acclimation, the rats will be randomly allocated to three groups: an experimental group, a model group, and a control group.The experimental group will receive the new treatment that is being researched. The model group will receive the traditional treatment, and the control group will receive no treatment. After a set period of time, the health parameters of the rats will be measured to determine the effectiveness of the new treatment.
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Why is the copernican revolution significant?
Answer:
it rejected the Church to believe and questioned church teaching. It also encouraged Galileo Galilei and Johannes Kepler to study further about the universe and its planets positions.
Explanation:
52
Which is one of the big ideas that guides Earth science?
O Earth's waters
O Earth in the universe
O Earth in the solar system
O evolution of life on Earth
Answer:
D.evolutin of life on earth
Explanation:
because revolution in the earth is better because the earth will be more revolution When you do this
What purpose does the Spectera marker serve in your Coomassie-stained gel? Ifyou were doing a Western blot, how would the Spectera marker be useful?
The Spectera marker is a reference marker that is used in protein electrophoresis gels, including Coomassie-stained gels and Western blots.
The purpose of the Spectera marker is to provide a point of reference for the migration of different proteins across the gel and to enable quantification of the amount of protein present in each band.The Spectera marker contains a mixture of different proteins with known molecular weights, which are run alongside the sample proteins. By comparing the migration of the sample proteins to the known molecular weights of the Spectera marker proteins, the approximate molecular weight of the sample proteins can be determined. This is important for identifying and characterizing unknown proteins.The Spectera marker is also useful in Western blots because it allows for accurate determination of protein transfer efficiency. After proteins are separated by gel electrophoresis and transferred onto a membrane, the Spectera marker can be detected using an antibody that recognizes the marker proteins. By comparing the intensity of the Spectera marker bands in the gel and on the membrane, the transfer efficiency can be calculated. If the transfer efficiency is low, it can lead to inaccurate quantification of the protein of interest.
Therefore, the Spectera marker is an essential tool for ensuring the accuracy and reliability of protein analysis in electrophoresis gels and Western blots.
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