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2.
No movement of water would have
occurred if they were isotonic.
3.
A. Side 2B. Side 1Related Questions
(c) In soils that lack oxygen, plants cannot absorb enough nitrates from the soil to grow well. Explain why.
Answers
Answer:
Explanation:
Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces. ... This reduces the plant's ability to photosynthesise and grow properly, which reduces the farmers' crop yield .
Which law regulates pesticides and herbicides? a. Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) of 1947 b. Federal Investigation of Fungicide Act (FIFA) of 1947 c. Clean Environment Act of 1949 d. Regulatory Environment Act of 1948
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The law that regulates pesticides and herbicides in the USA is the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) of 1947. This law prohibits the use of certain compounds as pesticides.
The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) law is a regulatory law that provides a suitable federal regulatory framework for the use, distribution and sale of pesticides.
This law (FIFRA) is aimed at protecting pesticide users, consumers, and the environment.
The pesticides used in the USA must be licensed by the US Environmental Protection Agency (EPA).
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Explain how pollution from one location
can affect the environment far away from the
source of the pollution
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Answer:
Air quality is affected by natural processes. Wind can move pollutants from their source to far-away locations. It can still spread and harm living creatures and destroy their environments.
Explanation:
Air quality is affected by natural processes where wind can carry pollutants to places far away from their source which can still spread and harm living beings and destroy their environments.
What is Pollution?Pollution is defined as the introduction of harmful materials into the environment where the harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash which can also be created by human activity, such as waste or runoff produced by factories. Pollutants harm the quality of air, water and land.
Many things produce pollution such as cars spewing pollutants from their exhaust pipes. Burning coal to generate electricity pollutes the air. Industries and homes generate waste and sewage that can pollute land and water. Pesticides which is chemical poisons used to kill weeds and insects which is seep into waterways and harm wildlife.
Thus, air quality is affected by natural processes where wind can carry pollutants to places far away from their source which can still spread and harm living beings and destroy their environments.
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EXPLAIN two ways in which a leaf can adapt to maximize of photosynthesis.
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Answer:
"Large surface area for maximum light absorption. The presence of chlorophyll containing chloroplast. Thin structure Short distance for carbon dioxide to diffuse into leaf cells."
Answer:
Photosynthesis is made possible by the adaptations of the leaf, which include a large surface area for optimum light absorption and the existence of chlorophyll-containing chloroplasts.
Explanation:
The two ways are in bold letters:)
Processes that add carbon to the atmosphere are called what
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Answer:
Combustion
Explanation:
True or false: Tonic contraction of smooth muscle in blood vessels is important in maintaining blood pressure.
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hope this helps
and i hope i’m right lol
Homeostasis is an organism's ability to _______. a. obtain energy from food b. interact with its specific environment c. maintain a constant internal environment d. survive without water for long periods of time
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Answer:
C. Maintain a constant internal environment
Explanation:
Homeostasis is keeping an internal environment stable.
Does hypertonic mean out of the cell.
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Answer:
yes
Explanation:
In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol.
According to the text, the main reason that humans are one of the few species to have long, committed relationships is that:
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humans think that they need to connect more than animals for animals it's all about survival making love hard. Animals only think about mating and staying alive. but humans have the time to think about love.
The main reason that human beings are one of the few species to have long, committed relationships is that: human babies are born before they are completely advanced and for that reason need a number of care.
What defines a species?Species are characterized by means of the reality that they're reproductively remoted from different organizations, which means that the organisms in a single species are incapable of reproducing with organisms in any other species. The term species also can be described as the maximum fundamental category within the device of taxonomy.
What are the primary predictors of violence?Many predictors of violent behavior are predictors of different issues, inclusive of substance abuse, delinquency, school dropout, and teenage pregnancy (Dryfoos, 1991; Hawkins, Catalano, and Miller, 1992). The threat of violence is likewise compounded via the number of danger elements concerned.
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Determine which situation could NOT be an example of interspecific competition.
A. Two organisms competing for food.
B. Two organisms competing for a mate.
C. Two organisms competing for water.
D. Two organisms competing over territory.
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Answer: it would be D
Explanation:
The situation that could not be an example of interspecific competition is two organisms competing for a mate. Thus, the correct option is B.
What is an Interspecific competition?Interspecific competition may be defined as an instance of competition between individuals of different species.
The situation of two organisms competing for a mate illustrates an example of intraspecific competition. This is because the two individuals mate with a member of their own species in order to produce fertile offspring.
The individuals of different species do not undergo interspecific competition.
Therefore, the correct option for this question is B.
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Which macromolecule sends messages?
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Answer:
Proteins is a macromolecule that helps to send signals
Which plate is the Eurasian plate?
A. D
B. C
C. B
D. A
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Nitrites are added to foods to: a. prevent formation of carcinogens. b. change their color. c. improve their nutritive value. d. inhibit rancidity. e. improve their texture.
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Nitrites are added to foods to inhibit rancidity. These compounds are used in the food, chemical and pharmaceutical industries.
Nitrites are conservant that prevent the growth of Clostridium botulinum and Listeria bacteria.
These bacteria (Clostridium botulinum and Listeria) are harmful to human health, thereby nitrites must be added to foods.
In meats, nitrites also exhibit some other beneficial properties which include the pink color, antioxidant properties, and savory flavor.
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Which cell makes a pigment that absorbs uv light.
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Answer:
Explanation:Melanin
Answer:
Explanation:
Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred into the keratinocytes via a cellular organelle called a melanosome
how long does it take for ancestry dna results to come back
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Answer:about 6-8 weeks
Explanation: about 6-8 weeks to process from the time that the lab receives your DNA sample.
Match each part of the brain with the correct label. 2
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Answer:
For the numbers on the brain
1. Forebrain: Telencephalon
2. Forebrain: Diencephalon
3. Hindbrain
4. Midbrain
Explanation: correct
The process of glycolysis produces 4 ATP total, but we say that the net ATP production is 2 ATP. What happened to the two other ATP molecules
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a section of a dna molecule that controls the thumb is called a
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Answer:
gene
Explanation:
The nuclear equation shows the transmutation of a form of radon into polonium and an alpha particle. In one tho two sentences, explain whether or not the reaction is balanced.
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The equation is balanced because the mass and charge are equal on both sides of the reaction equation.
In a nuclear reaction, one nucleus is transformed into another. In this case of the equation shown, the radon nucleus is being transformed into a polonium nucleus with the emission of an alpha particle.
The equation is balanced because a total mass of 219 is found on both sides of the reaction equation and a total charge of 86. Recall that an alpha particle is the same as a helium nucleus with a mass of four units and a charge of two units.
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In which process are glucose and oxygen the reactants?
cellular respiration
photosynthesis
ATP production
ADP production
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Answer:
Cellular Respiration
Explanation:
Respiration = Glucose + Oxygen -> Water + Carbon Dioxide
termination of transcription in bacteria occurs when ________.
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Termination of transcription in bacteria occurs when the RNA polymerase encounters specific DNA sequences that lead to stalling of the polymerase. This results in release of RNA polymerase from the DNA template strand, freeing the RNA transcript.
Transcription is the process of synthesizing the RNA transcript from DNA.
The termination of transcription in bacteria occurs when RNA polymerase comes in contact with some particular terminator sequences that stalls the RNA polymerase letting it fall off.
In transcription, there is its initiation (start) and its termination (and end). Unlike humans with stop codons that terminates the process, the bacteria uses a terminator sequence which it transcribes and cause its fall off the DNA and releasing the RNA transcript.Learn more about transcription in bacteria: https://brainly.com/question/25408927
as a microbiologist you have been asked to investigate the regulation of a novel gene in a bacterial species. given what is known about bacteria, the logical place to begin your investigation is
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The logical place to begin your investigation is TRANSCRIPTIONAL CONTROL. This field investigates the differential expression of genes.
Transcriptional control refers to the study of how genes are differentially expressed in the genome of cells.
In prokaryotic organisms (e.g., bacteria), genes are expressed in clusters known as operons.
An operon is a group of genes under the control of a single promoter sequence.
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Why do parrots mimic people?
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Answer:
Parrots are intelligent and highly social animals with long life spans, just like people. ... So a domestically-bred parrot, such as a budgerigar, that mimics its people is doing what wild parrots naturally do: they are learning and repeating sounds made by its family and flock mates, who happen to be people.
Explanation:
Parrot expert Michael Schindlinger of Lesley University explained in Scientific American in 2007 that mimicking helps parrots separate members of their own community from outsiders. It can allow a bird to find its mate and prevent intracommunity conflicts over territory.
DNA molecules separate into single strands which are then used to construct two identical strands of DNA this process ensures genetic
A)consistency
B)variability
C)diversity
D)reduction
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Answer: A)consistency
Explanation:
ayuda por favor doy corona
Answers
Answer:
Mr est un jeune individu provenant de
Steve is running at an average of 3mph. He was out for a run for 3 hours how many miles did he travel? 1a. What formula did you use to solve #
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Since he was running at 3mph and ran for 3 hours you could write this as 3x3
What will most likely happen if a sound wave moves from the air through a solid?
It will increase in frequency.
It will decrease in speed.
It will increase in speed.
It will decrease in wavelength.
Answers
Answer:
C
Explanation:
It will increase in speed.
Hopes this helps you.
The speed of sound waves will increase from air through a solid.
What is effect of medium on wave speed?The speed of a wave increases with increase in density of a medium.
Sound waves travel fastest in solids and slowest on gases.
Therefore, the speed of sound will increase on moving from air to a solid.
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What are the two test for water
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Answer:
The Standard Drinking Water Test has two components: Microbiological test and chemical quality test.
While you’re waiting for the lactase solution to cool, read the directions on the test strips. The test strips in the Edmentum lab kit will react to glucose within a few seconds. If you use different strips, the reaction time may vary. Now follow these steps to test the solutions. Record your data in the answer space.
Milk and water solution: Fill the first test tube one fourth full of milk. Fill the small graduated cylinder with water and gently add it to the milk in the test tube until the test tube is half full. Use the stirrer to thoroughly mix the solution. Then insert the test strip for 10 to 20 seconds. Look at the test strip, and record whether it changed color. Wash the stirrer.
Milk and lactase enzyme solution: Fill the second test tube one fourth with milk and one fourth with the lactase solution. Use the stirrer to thoroughly mix the solution. Insert the test strip for 10 to 20 seconds, and record whether it changed color. Wash the stirrer.
Milk an
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Bacteria such as e. coli and salmonella produce invasins that bind host cells, thus causing the cells to:
Answers
Answer:
kill cells and tissues outright
Explanation:
Sometimes bacteria multiply so rapidly they crowd out host tissues and disrupt normal function. Sometimes they kill cells and tissues outright. Sometimes they make toxins that can paralyze, destroy cells' metabolic machinery, or precipitate a massive immune reaction that is itself toxic
Acrroding to http://needtoknow.nas.edu/id/infection/how-pathogens-make-us-sick/
