As students observe several slides of tissue cross-sections, one simple key they can use to determine if the slides come from dicots or monocots is to analyze the vascular bundles.
A vascular bundle is described as a portion of the transport system of vascular plants. These bundles are microscopically different in Monocots than they are in Dicots, which will allow students to tell them apart through the tissue slides.
The difference is that monocots contain randomly scattered bundles located throughout the stem. On the other hand, dicots have their vascular bundles more neatly organized in concentric circles. These microscopic differences can serve as a key to be used by the students to classify the tissue samples they are studying.
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Explain how damaged DNA in a stem cell could cause a large impact to an organism
DNA damage can affect normal cell replicative function and impact rates of apoptosis (programmed cell death, often referred to as 'cellular senescence'). Alternatively, damage to genetic material can result in impaired cellular function, cell loss, or the transformation of healthy cells to cancers.
what company should the school district choose?
Answer:
The answer is E you're on the right track :)
Explanation:
your second best choice would be B by the way *
[tex]\huge\underline\mathtt\colorbox{cyan}{North Company}[/tex]
Explanation:
Because it does not use oil or natural gas( which are non-renewable) Also it uses renewable resources (like solar or wind power)What is the most likely explanation for
the DNA found in mitochondria?
Answer:
Origin. Nuclear and mitochondrial DNA are thought to be of separate evolutionary origin, with the mtDNA being derived from the circular genomes of bacteria engulfed by the early ancestors of today's eukaryotic cells.
Explanation:
(01.07 MC) worth 50 points
Fracking uses highly pressurized fluids, such as water mixed with sand and chemicals, to drive open cracks that exist in underground rock. Which statement
best describes an environmental consequence of this process for ecosystems?
O Wastewater is contaminated with oil and becomes sludge in landfills
O Water vapor is released into the air, which is considered a greenhouse gas,
Heavy metals are released into surrounding soil, poisoning local vegetation
O Billions of gallons of water are pulled from surrounding areas
The correct answer is that chemicals added to the liquid can contaminate groundwater.
Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.
The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.
Answer:
the answer is A
Explanation:
Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.
The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.
What are the functions for d the organelles in an animal
Cell?
Answer:
Centrioles - Centrioles are self-replicating organelles made up of nine bundles of microtubules and are found only in animal cells
HELP I NEED HELP WITH THIS question!!! PLZZZZ!
Question: What could happen if the human body dosen't take in or all of these's moleclues?
Answer: if the Human Body does not take in their necessary molecules such as protein, natural sugar, salt etc then it won’t be able to produce energy to stay woke much longer.
Explanation:
The Forensic Anthropology Facility was founded by whom?
which of the following is not a function of wetlands
a) they assist with flood control
b) they recharge groundwater supplies
c) they provide natural water filtration
d) they serve as sources of drinking water
Answer:
assist with flood control
Describe how gravity is associated with many erosional agents.
Answer:
Gravity is associated with many erosional agents, because the force of gravity tends to pull all material down the slope. is when a rill channel evolves to become deep and wide. glaciers are dense so they can carry large rocks and debris for a long distance.
Role of gravity in erosion, because gravity tries to draw everything down the slope, gravity is linked to numerous erosional agents.
What are erosional agents?Glaciers and running water both erode due to gravity. This is a result of gravity pulling water and ice downward. These are examples of indirect effects of gravity on erosion.
Due to the force of gravity, mass movement is an erosional process that carries rocks and sediments down slope. The material is moved from higher heights to lower elevations, where it can be picked up and moved to even lower levels by other carrying mechanisms like streams or glaciers.
Therefore, glaciers and running water both erode due to gravity. This is a result of gravity pulling water and ice downward. These are examples of indirect effects of gravity on erosion.
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Which of the following would have hydrophobic interactions with the hydrophobic amino acid phenylalanine?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amion acid isoleucine
the polar amino acid serine
Which of the following would have the strongest interaction with the negatively charged amino acid aspartate?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amino acid isoleucine
the polar amino acid serine
Which of the following would have the strongest interaction with the positively charged amino acid lysine?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amino acid isoleucine
the polar amino acid serine
Answer:
polar
Explanation:did the test g
How does pollution contribute to global warming?
O lt changes the direction of major currents.
O It forms a barrier that keeps in the sun's heat.
O It makes it harder for the sun's rays to reach Earth.
O It makes it more difficult for sea life to survive in the ocean.
Pollution contribute to global warming by (B). It forms a barrier that keeps in the sun's heat.
Meaning of Global WarmingGlobal warming can be defined as the process by which the earth surface is heated and its temperature is raised up leading to a climate change that affects all the inhabitants of the earth.
In conclusion, Global warming has done more harm than good and in recent times it has really led to a variation in climates
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Which of these is true about this organism? Check each phrase that is true..
Answer:
correct (all of them)
Explanation:
Hair is largely made up of the protein keratin. Why can a shampoo containing protein not replace the protein in damaged hair
Given what we know about the protein composition of hair, the protein in shampoo cannot replace the protein in damaged hair due to the fact that it would not be giving the cells the raw material needed to create the protein.
In the human body, along with all other living things, proteins are created from amino acids. The genetic code is read using a strand of messenger RNA called mRNA. Then, a transfer version of this known as tRNA brings the corresponding amino acid based on the genetic code found in the message. These amino acids are then chained together to form proteins.
The protein in shampoo cannot replace the protein in damaged hair because cells do not use entire proteins as a substrate, they use amino acids to create proteins. This may seem counterintuitive, but there are very good biological mechanisms behind it. In order for a shampoo to fix damaged hair, it must contain the amino acids necessary to re-create the lost proteins.
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the cell that is infected by a virus is called
Answer:
Via cytotoxic cells. When a virus infects a person (host), it invades the cells of its host in order to survive and replicate. Once inside, the cells of the immune system cannot 'see' the virus and therefore do not know that the host cell is infected.
Explanation:
Many industrialized countries exist in an ecological deficit due to their lack of productive land, overproduction of waste, or low freshwater supplies. Which scenario describes a way to create an ecological surplus for an industrialized country?
Import beef and soy products into the country
Export garbage and wastes to other countries
Change farming techniques to conserve soil
Allow unlimited freshwater resources for all
Answer: change farming techniques to conserve soil
Explanation:
The scenario that describes a way to create an ecological surplus for an industrialized country is the change farming techniques to conserve soil. The correct option is C.
What are farming techniques?Farming technology, the system of practices used in crop production The goal of agricultural technique is to ensure high crop yield with minimal labor and capital investment per unit of realized product.
The circumstance that characterizes a manner for an industrialized country to generate an ecological excess is changing farming techniques to conserve soil.
Thus, C is the correct answer.
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Is a scorpion a keystone species
Answer:
Keystone Species: Kangaroo Rat Keystone species are species whose presence and role within an ecosystem has a disproportionate effect on other organisms within the system. Hawk (predator)/lizard (prey). scorpion (predator)/insect (prey). if their is no relationship between these two then the scorpions will die off and the insects will thrive.
Explanation:
Please check out my question
What would be the complimentary strand for the DNA sequence
ATAACGA
What is cellular respiration?
Answer:
cellular respiration is the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
Explanation:
. Why are cellular respiration and photosynthesis considered almost opposite processes?
A. Photosynthesis releases energy, and cellular respiration stores energy.
B. Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
C. Photosynthesis produces excess water, and cellular respiration uses water.
D. Photosynthesis removes oxygen from the atmosphere, and cellular respiration puts it back.
Answer:
B. Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
An individual with androgen insensitivity syndrome will:
A. Not be feminized at puberty
B. Prefer a female sexual partner
C. Not function sexually as an adult
D. Have female external genitalia
Answer:
D I think. i am not completely sure.
An individual with androgen insensitivity syndrome will have female external genitalia, which is option D, as androgen insensitivity syndrome (AIS) is a genetic condition in which an individual's cells are unable to respond to androgens.
What is androgen insensitivity syndrome?Androgen insensitivity syndrome (AIS) is a genetic disorder in which an individual's body is unable to respond properly to male sex hormones, called androgens. The condition is caused by mutations in the gene that codes for the androgen receptor, which is a protein that binds to androgens and enables them to activate certain genes. In individuals with AIS, the androgen receptor either doesn't work at all or doesn't work properly, which leads to a range of physical changes that can vary in severity depending on the degree of androgen insensitivity.
Hence, An individual with androgen insensitivity syndrome will have female external genitalia, which is option D.
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Which substance should have the highest pH? distilled water lemon juice bathroom cleaner vinegar
Armani broke his arm while playing soccer. His doctor recommends he change his diet while healing. Which is most likely to be a change Armani should make? *
Answer:
not really a pro at health but I can try! I would say have a different diet while healing and stay home from soccer and let it heal. he should go to therapy daily for updates to see if his arm is healing or not. he should not take to much pressure onto his arm.
Explanation:
Summarize the features of a safe and sanitary composting facility. Explain the role played by each feature. (Not Multiple Choice, pls answer quickly!)
Given what we know about sanitary procedures, we can confirm that the features of a safe and sanitary composting facility lie in proper employee hygiene.
The most important part in limiting the pathogenic impact of compost is that of employee hygiene, which includes:
Thorough hand washing after handling compostKeeping the compost free of dust Keep any and all cuts covered at all timesThe employees must have proper vaccination protection before handling compost.These are the features of a safe and sanitary composting facility and their role is to limit the effect and spread of pathogens that may result from the build-up of compost.
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How does the anatomy of mitochondria allow it to do
cellular respiration?
Answer: Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients.
Which of the following best explains the strength of collagen fibers?
I'm really sorry but you didn't provide any options...
Collagen fiber is the fiber in the extracellular matrix of connective tissues characterized by being elongated and made up of collagen glycoproteins. It is typically arranged in branching bundles of indefinite length. It is a strong insoluble fiber. It occurs in the skin, tendon, ligaments, bone, and cartilage.
Why is sustainable use of natural resources important?
to ensure that natural resources are available for future generations
to help make daily life simpler by providing what every person needs
to encourage scientists to make new and elaborate discoveries
O to prevent the exchange of resources from one region to another
Answer: It is important that we use our natural resources so that we use any bad things for our earth
Explanation:
Sustainable use of natural resources is important to ensure that natural resources are available for the future generations.
Why sustainable utilization of natural resources is important?It is important to use sustain natural resources for the benefit of entire human population.It can improve the quality of lives, conserve natural resources for next generation and maintains the ecosystem.To know more about sustainable use of natural source :
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Which of the following describe how seabird populations are affected by climate change?
Answer: Varies
Explanation:
It depends on the time of season at the given moment.
The invention that led to widespread transport of livestock was the railroad
Answer:
Barbed wire was invented and patented by Joseph Glidden in 1874 and had a major impact on the cattle industry of the Western U.S. Accustomed
Explanation:
Which of the following statements apply to leukocytes? Select all that apply.
Multiple select question.
They eject major organelles when mature.
They are capable of protein synthesis.
They live approximately 120 days.
They retain their organelles throughout their life time.
They are not uniform in form and function.
Explanation:
leukocytes are white blood cells. mainly 4 killing bacterial infections.
Leukocytes are the specialized cells which are a part of blood. These are known as white blood cells. These protects the body. These produce antibodies. Thus, the correct options are B, D, and E.
What are Leukocytes?
Leukocytes are the white blood cells. These are a type of specialized cell type which is present in blood along with erythrocyte and plasma. Leukocytes are primarily responsible for protecting the body from pathogens and germs by producing antibody proteins which fight against these organisms.
Leukocytes are irregular in shape. They can change their shape to engulf or kill the bacteria which enters the blood to prevent disease. Erythrocytes change their shape which allows them to pass through the capillaries which are very tiny.
Therefore, the correct option is B, D, and E.
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Question 8 of 10
Which is true of Pluto?
A. Pluto orbits the sun every 2.5 Earth years.
B. Pluto's orbit is shorter than Saturn's.
C. Pluto has a moon that is about half its size.
D. Pluto is only larger than Mercury.
Answer:
c
Explanation:
