What are the two types of hypotheses used in a hypothesis test? how are they related?.
Answers
Answer:
the null hypothesis and the alternative hypothesis.
Explanation:
null contains a statement of equality (greather than or equal to, less than or equal to, equal to) and the alternative is the complement of the null hypothesis statement that must be true if H0 is false and it contains a statement of strict inequality (greater than, less than, not equal to)
Related Questions
word equation for photosynthess
Answers
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2.
Explanation:
The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2. This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.
Carrion beetles lay their eggs in dead animals and then bury them in the ground until they hatch. Assume that the preference for fresh meat (F) is dominant to the preference for rotted meat and that the tendency to bury the meat shallow (S) is dominant to the tendency to bury the meat deep. Suppose a female carrion beetle homozygous dominant for both traits mates with a male heterozygous for both traits. What is the probability of getting a heterozygous fresh meat eater that buries it's meat in a deep hole?0,1/4,1,1/2,3/4
Answers
The chance of having a heterozygous fresh meat eater who buries its meat in a deep hole is one-half. This is due to the fact that the dominant gene for fresh meat (F) conceals.
the recessive allele for rotten meat (f), and the dominant allele for shallow burial (S) conceals the recessive allele for deep burial. From each parent, the kid will acquire one allele for each attribute. If the mother is homozygous dominant for both qualities, the dominant allele will always be passed on. Because he is heterozygous for both qualities, the male has a 50% probability of passing on each allele. If the kid inherits F from the mother and s from the father, it will be The likelihood of being heterozygous for both characteristics (Ff and Ss) is 1/2.
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How do viable errors cause a portion of a population to have a certain trait, like red hair?
Answers
Answer:
Natural red hair is caused by a slight mutation on the MC1R gene on chromosome 16.
Explanation:
Earth Science Final Exam 2020-2021 (385) | 2 of 40
The climate of an area is the
A winds in the area.
B. same as the weather of the area.
C, weather in the area over a long period of time.
D. temperature of the area.
Answers
Since the Industrial Revolution, human consumption of fossil fuels have caused atmospheric concentrations of this greenhouse
gas to soar to levels far above any seen in at least 650,000 years, strongly suggesting to scientists that this gas is the driving
force behind recent global climate change.
Oxygen
O Nitrogen
O Carbon Monoxide
Ozone
O Carbon Dioxide
Answers
Choose the term that best describes how bacteria respond to chemical attractants. Ο Ο Chemical attractants cause bacterial cells to grow additional flagella Ο Chemical attractants speed up the rotation rate of flagello Ο Chemical attractants inhibit tumbles, enabling bacteris to make faster progress toward the stimulus Ο Chemical attractants cause flagellato rotate clockwise
Answers
Chemical attractants cause bacteria to make faster progress toward the stimulus by inhibiting tumbles.
Chemical attractants are substances that can attract bacteria and cause them to move toward the source of the attractant. When bacteria detect a chemical attractant, they can change the way their flagella move, which can influence their direction of movement. By inhibiting tumbles (random movements of the flagella), chemical attractants can enable bacteria to make faster progress toward the stimulus and increase their chances of reaching the source of the attractant. This is an example of chemotaxis, the process by which bacteria move toward or away from chemical stimuli in their environment.
Option C is the proper response, thus.
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identify the foot structure that is more similar to that of eosimias.
Answers
The foot structure most similar to that of **Eosimias** is the **arboreal quadrupedal** structure.
Eosimias is an early primate that lived around 45 million years ago and had a unique foot structure adapted for an arboreal lifestyle. The arboreal quadrupedal structure is characterized by having grasping digits, a flexible ankle joint, and a foot shape designed for stability on narrow surfaces, such as tree branches. This type of foot structure is seen in some modern primates, like lemurs and some New World monkeys, and allows them to move efficiently through the trees while foraging for food. By comparing Eosimias' foot structure to modern primates, we can better understand its locomotion and habitat preferences, providing valuable insight into early primate evolution.
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gonadotropin releasing hormone is released by the multiple choice thalamus. anterior pituitary. hypothalamus. posterior pituitary.
Answers
Gonadotropin releasing hormone (GnRH) is released by the hypothalamus (option 3), specifically the arcuate nucleus and preoptic area.
GnRH is responsible for stimulating the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior pituitary gland. These hormones play a crucial role in the regulation of reproductive processes, including the menstrual cycle in females and sperm production in males. GnRH release is influenced by a variety of factors, including stress, nutrition, and environmental cues such as light and temperature.
Additionally, GnRH release is subject to feedback inhibition by sex hormones such as estrogen and testosterone, which helps to maintain a delicate balance in reproductive hormone levels. Overall, GnRH is an important player in the complex interplay of hormones that regulate reproductive function in both males and females.
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Order the following components by size from large to small. In the space to the right, draw a representation of each component: chlorophyll molecule, chloroplast, electron, leaf, mesophyll cell, photosystem, thylakoid Largest Drawings:
Answers
The ordered components from large to small are Leaf, Chloroplast, Mesophyll cell, Chlorophyll molecule, Photosystem, Thylakoid, and Electron. Leaf is the largest component.
Mesophyll cells in the leaf contain chloroplasts that have thylakoids with photosystems.
Photosynthesis, which is a process used by plants, occurs in these thylakoids. This process of converting light energy into chemical energy results in the formation of ATP, which is then utilized by the plant for different activities. Chlorophyll molecules are present on the thylakoid membranes, and the photosystems are made up of pigments, proteins, and other organic and inorganic molecules. Electrons are present in the thylakoid lumen. These components are crucial for the photosynthesis process to take place.
Leaf: The leaf is the largest component that undergoes photosynthesis. It has a green pigment known as chlorophyll.
Chloroplast: Chloroplasts are organelles within plant cells that contain chlorophyll. The chloroplast's structure is like a flattened sac called a thylakoid. This is where photosynthesis occurs.
Mesophyll cell: Mesophyll cells are specialized plant cells found in the interior of leaves. They are responsible for photosynthesis by containing chloroplasts with thylakoids and photosystems.
Chlorophyll molecule: Chlorophyll is the green pigment present in plants that is essential for photosynthesis.Photosystem: Photosystems are complexes of pigments, proteins, and other organic and inorganic molecules found in the thylakoid membranes. They're responsible for capturing light and converting it into chemical energy.
Thylakoid: The thylakoids are flattened sac-like structures that are part of the chloroplasts and are where photosynthesis occurs. They contain photosystems and are essential for converting light energy into chemical energy.
Electron: Electrons are particles present in the thylakoid lumen that are necessary for the photosynthesis process to take place.
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what are secondary compounds and what is their function? list two examples of secondary compounds.
Answers
Answer: list two examples of secondary compounds.
Secondary Metabolites in Plants
Class Example Compounds Some Effects and Uses
Flavonoids anthocyanin, catechin flower, leaf color; inhibit enzymes, anti- and pro-oxidants, estrogenic
Tannins gallotannin, condensed tannin bind to proteins, enzymes, block digestion, antioxidants
Lignin lignin structure, toughness, fiber
Explanation:
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Based on what you have learned about global trends in terrestrial ecosystems, what is currently the largest threat to the wet tropical forests in central america?.
Answers
Habitat destruction and deforestation for coffee plantations are currently the biggest threats to the wet tropical forests of Central America.
So the biggest threat to wet tropical forests is deforestation. It is the destruction of forests for plantations and especially agriculture for feeding animals and keeping cows and resulting habitat destruction that is the biggest threat. Deforestation is a particular concern in tropical rainforests, as these forests are home to the world's biodiversity. Huge areas of diverse tropical forests are lost or degraded every year with dramatic consequences for biodiversity. Deforestation and fragmentation, overexploitation, invasive species and climate change are the main drivers of tropical forest biodiversity loss. Tropical forests are one of the most diverse habitats on Earth (Whitmore 1998). Tropical forests have suffered extraordinary changes over the past century as they have been degraded or destroyed by human activities.
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You add 100 copies of a target gene to a thermocycler and set it to run through 30 cycles. How many copies can you expect once the procedure is finished
Answers
When you add 100 copies of a target gene to a thermocycler and set it to run through 30 cycles, you can expect to have 2³⁰ times the initial number of copies.
Assuming that the PCR amplification efficiency is 100%, you can expect to have 10,000 copies of the target gene after the 30 cycles. This is because each cycle of PCR doubles the number of target gene copies, so after 30 cycles, the original 100 copies would have been doubled 30 times, resulting in 10,000 copies. However, it's important to note that the actual amplification efficiency may be less than 100%, so the final number of copies may be slightly lower.
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O O O O O
Which statements are true of lymph nodes? Select all that apply.
They filter lymph as it flows back to the heart.
They are packed with T-cells and B-cells.
They produce red blood cells.
They are all located in the spleen.
They can become inflamed when fighting foreign material or pathogens.
They are grouped in the neck, chest abdomen armnits and aroin
Answers
Answer:
They are packed with T-cells and B-cells.
They can become inflamed when fighting foreign material or pathogens.
Explanation:
Answer:
the g is the correct asmwer
Use the same article to answer the following question. Strongest Muscle Explain why the external eye muscle can be considered the muscle with the greatest dynamic strength.
Answers
The external eye muscle, also known as the lateral rectus muscle, can be considered the muscle with the greatest dynamic strength because it is responsible for the rapid and precise movements of the eye.
The external eye muscle is specifically designed to control the movement of the eye horizontally, allowing us to look sideways. This muscle is relatively small compared to other muscles in the body but has an exceptional capacity for dynamic strength. It is composed of fast-twitch muscle fibers, which are optimized for rapid contractions and movements. These fibers enable the eye to move quickly and accurately, allowing us to track moving objects and shift our gaze rapidly. The dynamic strength of the external eye muscle is essential for our vision and eye coordination.
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Which of the following characteristics of the ribose is required for termination of a DNA strand in DNA sequencing? Select one: a. 2'-H b. 3'-OH (hydroxyl)
Answers
The characteristic of ribose required for the termination of a DNA strand in DNA sequencing is 3'-OH (hydroxyl). So the correct answer is option B.
Ribose is a pentose sugar which is the fundamental building block of nucleotides. The ribose sugar makes up the backbone of RNA, just like deoxyribose in DNA, RNA is synthesized in the 5' → 3' direction. The addition of nucleotides begins at the 3' end and ends at the 5' end, 3' end of the nucleotide contains a hydroxyl group (-OH), whereas the 5' end contains a phosphate group (-PO4). When a dideoxynucleotide triphosphate (ddNTP) is incorporated into the elongating DNA strand, there is no 3'-OH group present in the ddNTP.
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what is the utility of tissues in multi cellular organisms
Answers
Answer:
A tissue is classified as a cluster of cells that work together to perform a particular task and are structurally similar. In multicellular species, the use of tissues provides structural and mechanical strength and enables division of labour.
summarize the efforts that people are making to combat invasive species 
Answers
The combat against invasive species would maintain the integrity of the habitat.
What is an invasive specie?An invasive specie is an introduced, nonnative organism that spreads or widens its range away from the location of its introduction and has the potential to affect the environment, the economy, or human health is referred to as an invasive species.
Combat of invasive species focused on preventing the introduction and establishment of invasive species in new ecosystems, prevention efforts frequently entail stringent controls on the importation of plants and animals, early detection technologies, and public awareness campaigns.
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Give an example of convection.
Answers
Answer:
radiator -
A radiator puts warm air out at the top and draws in cooler air at the bottom. steaming cup of hot tea -
The steam you see when drinking a cup of hot tea indicates that heat is being transferred into the air. ice melting -
Ice melts because heat moves to the ice from the air.
Explanation:
To caue cancer proto-oncogene require…. Allele to be mutated and therefore are conidered…. The mutation reult in a…. Of function
Answers
The answer for the first blank is “one”.
The answer for the second blank is “dominant”.
The answer for the third blank is “gain” of function.
Proto-oncogenes need or demand only "one" allele (gene copy or variant) to be altered in order to cause cancer (changes in the deoxyribonucleic acid or DNA). One allele is all that is required for a proto-oncogene to develop into an oncogene that causes cancer. Since only one allele (or gene copy) is required to create an oncogene that induces cellular transformation and resulting in cancer, it is referred to as a "dominant" mutation. This type of mutation causes a "gain" in function since the affected cells can now divide uncontrollably and serve a new purpose.
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Which of the following is a possible undesirable result of embryonic stem cell research?
A. Creating new tissues for burn victims
B. Human cloning
C. Making organs available for transplantation
D. None of the choices
Answers
Human cloning might be a possible undesirable result of embryonic stem cell research (Option B).
What is human cloning?Human cloning refers to the molecular biology techniques aimed at generating genetically identical human beings.
Human cloning might involve human stem cells to generate new genetically identical human embryos and therefore it might be a subject of concern.
In conclusion, human cloning is an undesirable result of embryonic stem cell research (Option B).
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What do you think happens to a fish’s behavior in cold climates during the winter? Explain your answer.
Answers
Probability predictions are based on ____ numbers of events.
Answers
Answer:
sorry hon dont know
Explanation:
can someone answer i need an answer quickly
Answers
Which are characteristics of late adulthood? Check all that apply.
the ability to reach the height of reproductive success
the ability to increase mental capabilities
a decrease in bladder function
an increase in control of body movements
a change in physical abilities
Answers
Answer:
C. a decrease in bladder function
D. a change in physical abilities
Explanation:
⫸ But when you get older the bladder changes. The elastic bladder tissue may toughen and become less stretchy. A less stretchy bladder cannot hold as much urine as before and might make you go to the bathroom more often. And when aging bones tend to shrink in size and density, weakening them and making them more susceptible to fracture.⫷
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A basic DNA-matching method is used by a regional police force to try to identify criminals. This method has a one in 11141 chance of indicating a match between two samples even when they actually come from different individuals. Assume that the probability of a match is the same for any pair of samples from different individuals, and that the events of different individuals matching an unrelated sample are independent. The police force has a DNA sample from a crime scene and also has a bank of DNA samples from 36485 members of their community. However, the truth is that none of these people had anything to do with the crime. What is the probability that the method finds a match between the crime scene DNA and at least one person whose DNA is stored in the bank of samples?
Answers
The probability that the basic DNA-matching method finds a match between the crime scene DNA and at least one person whose DNA is stored in the bank of samples is 0.314 (approximately).
Let P be the probability that a single sample does not match with the crime scene DNA. Then the probability that all 36485 samples do not match is P^36485, and hence the probability that at least one sample matches is 1 - P^36485. From the problem, we know that the chance of a false match is 1/11141, which is approximately 0.00008959.
Hence, P is approximately 1 - 0.00008959 = 0.99991041.Therefore, the probability that at least one sample matches is 1 - P^36485, which is approximately 0.314 (rounded to three decimal places). Thus, there is approximately a 31.4% chance that the DNA-matching method will find a match between the crime scene DNA and at least one person whose DNA is stored in the bank of samples.
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the wind is a renewable energy source name one more renewable energy source used to generate electricity
Answers
Answer:
Water
Explanation:
Water is a renewable energy source used to generate electricity. A place where this happens at is dams.
Answer:
Water
Explanation:
Water is a renewable energy source used to generate electricity. A place where this happens at is dams.
What determines whether a metamorphic rock is foliated or nonfoliated?
Answers
Answer:
i think its the third.
temperature,pressure and the original type of rock
the replication of lagging strands of dna differs from the replication of leading strands in that rna primers are not required. dna synthesis proceeds in the 3'-to-5' direction. primase is not required. dna is replicated as short fragments. dna ligase is not needed.
Answers
The replication of lagging strands of DNA differs from the replication of leading strands in that dna is replicated as short fragments.
DNA replication is the process by which DNA is replicated or synthesized. DNA synthesis is a complex, enzyme-mediated process that entails the replication of genetic material in all living organisms. DNA is duplicated by DNA replication, ensuring that each new daughter cell gets an accurate copy of the original DNA. DNA replication is required for cell division, which is necessary for the growth of tissues and organs.
The replication of the lagging strand differs from the replication of the leading strand in the following ways:
DNA synthesis proceeds in the 5′ to 3′ direction, as is the case with the leading strand.DNA replication occurs in short fragments on the lagging strand, known as Okazaki fragments.RNA primers are required on the lagging strand to initiate the synthesis of the new strand, whereas they are not required on the leading strand.Primase, an enzyme that produces RNA primers, is necessary for the replication of the lagging strand.DNA ligase is required to bind the fragments on the lagging strand together.Therefore, the correct answer is- DNA is replicated as short fragments.
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In genetic drift, the allele frequencies in a gene pool change because of.
Answers
Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.
Genetic drift is the change in allele frequencies in a population from generation to generation.
what do the two strands of DNA join together to form
Answers
Answer:
the two strands that join together are T-A the other two are G-C.
Explanation:
in dna these two strands pair together to make one