Answers
Related Questions
What is the MIT for chicken?
Answers
Answer:
Mutation Insert Telephone or "MIT"
Explanation:
Video: Washington State is Thinning Out Forests to Reduce Wildfire Risk. PLEASE ANSWER QUESTIONS ASAP!!
1. What is Russ Vaagen producing in his new sawmill?
2. How do his methods differ from logging that was done in the past? How does this help prevent fires?
3. How has Mike Peterson’s opinion on logging evolved? Why did he change his mind?
4. Do you think that this type of logging solution will work in the long run? Why or why not
Answers
Answer:
Explanation:
1
How many phosphate minerals most affected human activity
Answers
Answer:
How much phosphorus does the human body have?
How much phosphorus do I need?
Life Stage Recommended Amount
Children 9 to 13 years old 1,250 mg
Adolescents 14 to 18 years old 1,250 mg
Pregnant and lactating adolescents 1,250 mg
Adults over 19 years of age 700 mg
Explanation:
if scientists found a fossil in the middle layer that was 2 million years old, would they think Earth was more or less than 2 million years
Answers
If scientists found a fossil in the middle layer that was 2 million years old, they would conclude that Earth is more than 2 million years old based on the presence of older rock layers and fossils in lower layers.
Fossils provide valuable evidence for dating the age of the Earth and its geological history.
The principle of superposition, a fundamental concept in geology, states that in undisturbed rock layers, the oldest rocks are found at the bottom, while the youngest rocks are found at the top.
By finding a 2 million-year-old fossil in the middle layer, scientists can infer that the lower layers, which were formed before the middle layer, are older than 2 million years. Additionally, the presence of upper layers, formed after the middle layer, would suggest that Earth's age exceeds 2 million years.
Scientists use various dating methods, including radiometric dating, to determine the age of rocks and fossils.
These techniques analyze the isotopic decay of certain elements present in the rocks or fossils to estimate their age.
Through these methods, scientists can establish a more accurate timeline of Earth's history, revealing an age far greater than the age of the specific fossil found in the middle layer.
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if something is burned a reaction has occurred
Answers
Answer:
true
Explanation:
When the reactants are heated, the average kinetic energy of the molecules increases. This means that more molecules are moving faster and hitting each other with more energy.
HOPE IT HELPS
Answer:
Combustion reaction
On average, which of the following areas receives the least amount of precipitation?
Answers
Answer:
savanna
Explanation:
i think so
How did Aristotle's method of thinking in science differ from Galileos method?
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In the graph above (SEE ATTACHED), which letter represents the activation energy (EA) of a catalyzed reaction and why?
ANSWER: (SEE ATTACHED)
Answers
In the graph shown above, a letter which represents the activation energy (EA) of a catalyzed reaction is: A. Y; the activation energy (EA) is reduced in a catalyzed reaction.
What is an enzyme?An enzyme can be defined as a biological catalyst that typically speeds up (accelerates) the rate of a chemical reaction such as the break down of food by the digestive system, especially by lowering the activation energy of its chemical reactants.
Generally, an enzyme speeds up or catalyzes the rate of a chemical reaction by lowering its activation energy.
What is an activation energy?In Science, an activation energy can be defined as the minimum quantity of energy that must be provided for reacting chemical elements or molecules, in order to enable them undergo a chemical reaction.
This ultimately implies that, the rate of any chemical reaction would be faster when its activation energy is lowered, decreased, or reduced.
Based on the graph shown in the image above, we can infer and logically deduce that Y is a letter which represents the activation energy (EA) of a catalyzed reaction because the activation energy (EA) is generally reduced in any catalyzed reaction.
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Complete Question:
In the graph above, which letter represents the activation energy (EA) of a catalyzed reaction and why?
A. Y; the activation energy (EA) is reduced in a catalyzed reaction.
B. The Y label on the graph represents a lower EA "hump" (as compared to X).
C. The decreased steepness of this hump is due to the presence of an enzyme, making this a catalyzed reaction.
An incomplete Punnett square is shown below. Complete the Punnett square by typing the correct combination of letters in each box.
t t
T
T
Answers
Answer:
Tt Tt Tt Tt
Explanation:
All answers inherit one dominant and one recessive trait.
Hope this is correct, I'm a tad rusty.
Which type of heat transfer takes place when objects touch each other?
WILL MARK BRAINLIEST 27 POINTS
Answers
Answer:
conduction
Explanation:
Which of these is an organism?
Answers
Answer:
A wolf...........
.......................
Answer:
I believe the answer is heart
2. How does the peripheral nervous system differ from the central nervous system?A) The PNS transmits information to and from the CNS; the CNS monitors sensory information and coordinates the body's responses.B) The PNS consists of the brain and spinal column; the CNS is made up of the nerves that are not part of the PNS.C) The PNS monitors sensory information and coordinates the body's responses; the CNS transmits information to and from the PNS.D) The PNS controls the sensory organs; the CNS controls the other bodily organs.
Answers
Biology > Human biology > Central Nervous System + Peripheral Nervous System
The central nervous system (CNS) consists of the brain and spinal cord. While the peripheral nervous system (PNS) consists of the nerves that leave the spinal cord and go to other parts of the body.
First, PNS nerves pick up information from organs (e.g., the temperature of the environment through skin nerves) and sends it to the CNS.
The CNS then processes the information and sends the orders to the body's organs through the PNS. Therefore, the answer is A.
The initiation of DNA synthesis on the lagging strand requires the formation of a RNA primer. True or False
Answers
hope this helps you
Which renewable resource is not safe for the environment and why? NEED HELP ASAP!! WILL GIVE BRAINLIEST!!
Answers
Answer:
Although renewable energy sources produce relatively low levels of GHG emissions and conventional air pollution, manufacturing and transporting them will produce some emissions and pollutants. The production of some photovoltaic (PV) cells, for instance, generates toxic substances that may contaminate water resources.
Explanation:
In a population of foxes, the allele for auburn/orange fur accounts for 800/1000 alleles in the population. The silver-ash color allele makes up the remaining alleles. What is the
frequency of the silver-ash allele?
2.00 or 200%
.2 or 2%
.02 or 2%
.2 or 20%
Answers
The frequency of silver -ash allele is 2 or 200% in a population of foxes, the allele for auburn/orange fur accounts for 800/1000 alleles in the population.
FrequencyAccording to the definition of an allele given in the top textbooks on genetics and evolution, an allele is a different arrangement of the same nucleotides in the same location on a long DNA molecule. The word "Allele" is a shortened version of "Allelomorph". To put it more precisely, each gene has two copies and is found at a certain locus (place on a chromosome)—one copy is inherited from each parent. Although not always identical, the copies are not identical. Alleles are the different variations of a gene that exist in different copies.An area on a chromosome known as a gene locus is where each allele is located. The two copies of the gene, one inherited from each parent, are found in the same area on two homologous chromosomes. Potentially dominant alleles exist.For more information on allele kindly visit to
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Villi in small intestine helps to increase area of absorption for minerals and nutrients.
True
False
Answers
Answer:true
Explanation:The function of the plicae circulares, the villi, and the microvilli is to increase the amount of surface area available for the absorption of nutrients. Each villus transports nutrients to a network of capillaries and fine lymphatic vessels called lacteals close to its surface.
in which biome are minerals in the soil most rapidly depleted
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Answer:
Boreal forest is among the largest terrestrial biomes on earth in which minerals in the soil most rapidly depleted.
In the skeletal system . which are the two main tissues responsible for the structural support in the body
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Answer:
Explanation:
The two main types of bone tissue are compact (hard and dense) and cancellous (spongy and flexible) tissue.
What does a Punnett square show?
Answers
Answer:
A punnett square helps to predict the variations and probabilities that can come from cross breeding. This includes predicting crossing plants, animals, even humans with each other.
Explanation:
What would happen within a few months if all decomposers on Earth disappeared overnight?
There would be an overabundance of organic waste.
Plants would grow out of control.
Ο Ο Ο Ο
Animals would grow out of control.
There would be no visible impact.
ANSWER ASAP PLEASE
Answers
Answer:
There would be an overabundance of organic waste.
Why is it important to be extra careful when assisting a person
who is bleeding or vomiting?
Answers
Answer:
Because if you are too careless you could make the whole situation even worse, but also risk killing them.
Explanation:
If you lose to much blood you could die, basically if you have no clue what you're doing you could cause them to bleed out more or try to help them up and... well you know. Also, you can choke on your vomit, after all that's food coming up not trying to go back down, if that person is vomiting a lot trying to rest them on there back is only probably going to kill them( I'm just saying).
What is the BEST explanation of why engineering crops to be more tolerant of weedkillers enables farmers to stop or reduce tillage?
A. Weeds can be killed with herbicides instead of through tilling.
B. The crops and weeds evolve to coexist without reducing yields.
C. Crops can grow better in weed-infested soil that is untilled.
D. Tilling becomes unnecessary once herbicides remove the weeds.
Answers
The BEST explanation of why engineering crops to be more tolerant of weedkillers enables farmers to stop or reduce tillage is that weeds can be killed with herbicides instead of through tilling.
The correct option is A.
What is tillage?Tillage is the process of mechanically preparing the soil by turning it over, which can be time-consuming, labor-intensive, and can disturb the soil structure.
By relying on herbicides instead, farmers can save time, reduce labor costs, and minimize soil disruption. This practice is often referred to as chemical weed control or chemical tillage and is a common technique used in modern agricultural practices.
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Since plant matter generates heat as it decomposes, where would a fire be most likely to start in the piles of grass?
Answers
Answer:
In the middle of the pile of grass.
Explanation:
The fire would be most likely to start in the middle of the piles of grass if spontaneous combustion occurs because the heat doesn't easily move through the medium due to the insulating nature of grass. A pile of grass can catch fire due to spontaneous and quick combustion in the middle of piles of grass. So the fire starts in the middle of the pile of grass.
Which of the following best describes the term 'polymer'?
A. A small monomer.
B. Small molecules.
C. A large monomer.
D. A large molecule made of many monomers.
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Answer: A large molecule made of many monomers.
Explanation:
What is crossing over biology
Answers
UNIT 5 LAB
Child Artists’ Tools Include Mixed Media, Maggots
How is Ms. O’Flaherty using maggots in a very unique way?
Where does she get these maggots?
What is Ms. O’Flaherty’s profession? How does she use maggots in her work?
What are some other positive attributes of maggots?
Would you be interested in trying this type of art? Why or why not?
Prolific Crime Novelist Turns Talents to Dissecting ‘Forensics’
Who is Val McDermid?
What happened in China in 1247?
How did forensic entomology play a role in solving this murder in China?
What story does Ms. McDermid share about maggots helping identify a dead man?
What do you think about fictional crime stories? What elements seem realistic based on what you have learned about forensic science? What elements seem unrealistic from what you know about forensics?
Answers
Ms. O'Flaherty uses maggots in an unusual way by making "maggot art." She dips the mint in paint, and then places them back onto paper to watch them squirm and colour the paper.
How did forensic entomology play a role in solving a homicide in China?Forensic entomology played a significant role in solving a murder case in China in 1247. The case involved the death of a regional governor, who was found dead in his home. The body was badly decomposed, and it was difficult to determine the cause of death. However, investigators noticed maggots on and around the body and realized that they could use the life cycle of the maggots to determine the time of death.
The investigators collected the maggots and determined their stage of development. Based on this information, they were able to estimate the time of death with a high degree of accuracy. They then identified a suspect who had been seen leaving the governor's home around the estimated time of death. The suspect was arrested and eventually confessed to the murder.
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In humans, the presence of freckles is a dominant inheritance, and their absence is a recurrent trait. The shape of the eyebrows is also a hereditary characteristic, the separate eyebrows being a dominant characteristic, and the joined eyebrows being a recurring character. In a couple, the woman has freckles and separate eyebrows, and she is heterozygous for both characters. The man does not have freckles, but he has eyebrows closed. How likely is their child to have freckles and separate eyebrows? Use a tree diagram or a Punnett square to justify your answer.
Answers
When crossing a woman -who is heter0zyg0us for freckles and shape of eyebrows- with a man -who is h0m0zyg0us recessive for both traits-, the likelihood of their child to have freckles and separate eyebrows is 1/4 = 25%.
-------------------------------------------
Available data:
Two diallelic genes ⇒ One of them codes for freckles and the other one for the shape of the eyebrows.Freckles ⇒ Dominant allele F ⇒ Codes for freckles.⇒ Recessive allele f ⇒ No freckles.
Eyebrows shape ⇒ Dominant allele E⇒Codes for separate eyebrows.⇒ Recessive allele e ⇒ Codes for joined eyebrows.
Woman ⇒ Heter0zyg0us for both genes. She has freckles and separate eyebrows.Man ⇒ H0m0zyg0us recessive for both traits. He does not have freckles, but he has eyebrows closed.Cross: The woman with the man
Parentals) FfEe x ffee
Gametes) FE, Fe, fE, fe ⇒ woman
fe, fe, fe, fe ⇒ man
Punnett Square) FE Fe fE fe
fe FfEe Ffee ffEe ffee
fe FfEe Ffee ffEe ffee
fe FfEe Ffee ffEe ffee
fe FfEe Ffee ffEe ffee
F1) Genotype:
4/16 = 1/4 = 25% of the progeny will be heter0zyg0us for both traits, FfEe4/16 = 1/4 = 25% of the progeny will be heter0zyg0us for freckles, but h0m0zyg0us recessive for eyebrow trait, Ffee4/16 = 1/4 = 25% of the progeny will be heter0zyg0us for eyebrow trait, but h0m0zyg0us recessive for freckles trait, ffEe 4/16 = 1/4 = 25% of the progeny will be h0m0zyg0us recessive for both traits, ffee.
Phenotype:
4/16 = 1/4 = 25% of the progeny will have freckles AND separate eyebrows, FfEe4/16 = 1/4 = 25% of the progeny will have freckles AND closed eyebrows, Ffee4/16 = 1/4 = 25% of the progeny will not have freckles AND will have separate eyebrows, ffEe4/16 = 1/4 = 25% of the progeny will not have freckles AND will have closed eyebrows, ffee-----------------------------------------------
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5th grade ,. will help
This street is built in a zigzag pattern. Tell why this design makes it easier for cars to move up the hill.
Answers
Which kind of organism obtains energy directly from the sun?
A. decomposers
B. omnivores
C. herbivores
D. producers
Answers
Answer: D producer
Explanation: The answer has to do with trophic levels. As you probably know, the organisms at the base of the food chain are photosynthetic; plants on land and phytoplankton (algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.
Answer:
Producers
Explanation:
The first trophic level in a food chain consists of producers. As the name says, they are able to take in sunlight and convert it into chemical energy. Hence can use the energy directly from the sun due to special pigments on their body. Examples: Green plants.
13. Linus Pauling proposed a DNA structure in which the prophase groups were tightly packed on the molecule's inside, leaving the nitrogenous bases sticking outward.
a) Which scientist's findings did Linus Pauling need to propose the correct 3D-structure DNA?
b) If DNA replication occurred in this structure, how would it differ from what you know is the actual process? Explain your reasoning
14. While working with a particular strain of E. coli, you discover that it transcribes the lac genes at a high level when no lactose is present in the cell's medium.
a) Explain how the lac operon functions typically.
b) List the possible causes of this abnormal activity.
c) Then design an experiment to determine which of these possible causes is the case with your bacterial colony.
Answers
The lac operon follows a negative, inducible mode of regulation. This means that the transcription of the operon is turned OFF in the absence of lactose and is only induced into activity when lactose is present in the medium.
What is lac operon?
a) If the genotype of the lac operon is normal, i.e. it does not contain any mutations, then,If lactose is present in the medium:-When lactose is present in the medium, it is translocated into the cell because the operon always produces a small amount of permease. The allolactose molecule binds to the repressor molecule and inactivates it.An inactivated repressor can no longer bind to the operator and as a result all genes are transcribed, i.e. the operon is turned on.Also, the absence of glucose leads to the production of large amounts of cAMP in the cell, which binds to the CAP protein. This complex then binds to the CAP site and increases the rate of transcription of the operon.If lactose is not present in the medium:-In the absence of lactose, the repressor remains active and binds to the operator. This prevents RNA polymerase from binding to the promoter and the operon is not transcribed, i.e. the operon is turned off.When both lactose and glucose are present:-Glucose will be used first because it is the preferred energy source and during this time there will be minimal transcription of the lac operon.b) If the lac operon is expressed at high levels even in the absence of lactose, it means that it shows constitutive expression, i.e. it is expressed regardless of the availability of lactose in the medium.This can be possible for two reasons:-1) A mutated lacI gene (lacI-) that produces an inactive or mutant repressorIn this case, the mutation alters or alters the promoter region of the lac1 gene, since this gene has a promoter separate from that of the structural genes. This means that if the promoter of that gene is altered so that it can no longer bind to the RNA polymerase enzyme, that gene will not be transcribed or expressed. As a result, the repressor protein will not be produced and the operon will therefore be constitutively active.2) Mutation operator, i.e. operator Oc In this mutation, the repressor binding site on the operator is mutated in such a way that it cannot bind to the repressor protein even in the absence of lactose. If the repressor cannot bind to the operator, then the operon will be expressed regardless of the presence or absence of lactose.C)In the case of a mutant lacI gene, we know that the promoter of this gene will be changed so that it can no longer bind to the RNA polymerase enzyme and the gene will not be transcribed. that is, this gene will not produce any mRNA or repressor protein in the absence of lactose, whereas the normal operon does,In the case of a constitutive operator, the operator will not be able to bind the repressor even in the absence of lactose. Thus, even if lactose is not available in the medium, there will be a higher concentration of free repressor protein in the cytoplasm of the cell.This means that in the case of the lacI- mutant there will be no repressor protein, while in the case of the Oc mutant there will be a high concentration of the repressor protein in the cell cytoplasm.Thus, this difference in the presence of the repressor protein can be used to distinguish between a cell with a normal and a lacI-mutated operon by Western Blot analysis.This is because this technique tests for the presence of specific proteins present in the cell sample using complementary antibodies that specifically bind to the target protein and are conjugated to a marker enzyme that stains the chromogenic substrate blue.To know more about lac operon, click the link given below:
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