Answer:
Plants make their own food with the help of photosynthesis, in which the organic carbon is formed from the inorganic carbon. Organic carbon is used as a source of energy and helps in various cellular functions.
Organic carbon mostly stored in the form of starch and other carbohydrates and also helps in forming the structure of the plants. The starch is stored mainly in the roots, fruits and stems. The main source of starch is in roots in tubers of the plants. The radioactive carbon that is found in the plant roots in the experiment is the excess carbon that stored in the roots of the plants
A mutagen is
a living thing that has undergone a mutation.
an agent that causes a mutation in DNA.
a mutation that has affected one gene.
any chemical that can poison living cells.
Answer:
B)an agent that causes a mutation in DNA.
have a nice day
Explanation:
Mutagen is the chemical or biological agent that results in mutation in the genetic or the hereditary material of the living organism. Thus, option B is correct.
What are mutagens?Mutagens are substances that can be chemical or biological and causes alterations and modifications in the genetic material of the organisms. They can cause positive and negative damages in the process of the replication and repair mechanism.
UV rays, X rays, ROS, base analogs, alkylating agents, transposons, viruses, etc., are some examples of mutagens that can cause somatic or germline mutations. They can cause silent, missense, nonsense, deletion, addition, or substitution mutations.
Therefore, mutagens cause a mutation by altering the genetic material.
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The Burgess Shale biota is significant because it contains the: a. conodont animal b. fossils of rare marine plants c. earliest known benthonic community d. first shelled animals e. carbonized impressions of many extinct soft-bodied animals
Answer: Option E.
carbonized impressions of many extinct soft-bodied animals
Explanation:
The Burgesss shale biota is significant because it contains the carbonized impressions of many extinct soft-bodied animals because Burgess shake biota indicate best example and famous fossil records that contain soft bodied organisms with carbon impression . This fossil contain soft tissues fauna and floral and not mineralised structures which is not present in any other fossils. priapulid and annelid worms that are found in Burgess shale biota
3) Two plants are grown using the same light and pots. One plant is given water that has been
microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks.
What is not a constant in the experiment ?
Light
Soil
Plant
Water
Answer:
Water
Message me if you need a better explanation! :)
What is another word for melody?
Answer: Song,Tune
Explanation: Music is a melody
Chime, tune, song strain, warble
Which of the following is NOT a part of Cell Theory
All cells come from pre-existing cells
Cells are the basic units of structure and function in living things
All living things are composed of one or more cells
Cells can't be created or destroyed
Answer:
from my point of view the answer should be self can't be created or destroyed
What is the function of the eukaryotic cell?
Answer: Eukaryotic cells have a true nucleus, which means the cell's DNA is surrounded by a membrane. Therefore, the nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.
Explanation: Mark as brainllest
Answer:
their functions are different depending upon their location and organism in which they are. for example the cells of stomach wall release mucous, similarly the cell of pancreas release pancreatic juice. and the sieve tube cells help in water transfer from source to sink.
So, all this just depends upon their location and area of labor you can say. Ig i took this last year so i don't remember much
5 natural causes of climate change
Answer:
The Greenhouse EffectPollutionFossil FuelsDeforestationVolcanic ActivityExplanation:
Hope this helps! <3
How are oxygen and nitrogen molecules different from the water molecules?
Answer:
i dont know it is correct or not. sorry if it is wrong
Explanation:
hey are completely different! An oxygen molecule consists of two oxygen atoms bonded to each other. They each have one unpaired electron, not used in the bonding. These unpaired electrons make the molecule diamagnetic. Water molecules have one ox...
oxygen and nitrogen molecule consists of two oxygen atoms bonded to each other and same nitrogen atoms are bonded of each other.
Water molecules have one oxygen atom in the center and two hydrogen atoms, one on each side.
what are the properties of water molecule ?It has no taste, odor, or transparency, where the nucleus of the oxygen atom attracts electrons strongly than the nuclei of the hydrogen atoms.
In water molecule oxygen is more electro negative and electron-greedy than hydrogen, results in the development of a partial negative charge on the oxygen of the water and a partial positive charge on the hydrogen end.
Water shows strong cohesive property where the attraction of molecules for other molecules of the same kind is referred to as cohesion.
Surface tension is defined as the tendency of the surface to resist rupture when they are subjected to stress due to cohesive forces.
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media would growth provide evidence that genetic transfer had occurred between the two strains of bacteria? Select all that apply. Select all that apply. bio- leu- bio- trp- trp- leu- leu- trp- bio- none of the above
Answer:
bio- leu
leu- trp- bio
Explanation:
The media growth 'bio- leu ' and 'leu- trp- bio' would offer evidence that genetic transfer had taken place between the two strains of bacteria. These two strains of Escherichia Coli substantiate the genetic recombination through the conjugation of bacterial cells which was the prominent aim of experiment displayed by Lederberg and Tatum's genetic analysis. This mapping of chromosome E. coli assisted in recieving the ph.
Which is NOT part of hemostasis?
Question 1 options:
Coagulation (blood clotting)
Vascular spasms
Platelet plug formation
Conversion of fibrin to fibrinogen
Question 2 (0.5 points)
A patient with type A blood is accidentally given a transfusion with type B blood. Answer the following questions. How will this affect the patient?
Question 2 options:
It will strengthen the patients immune system.
It will cause severe illness or death.
The patient will now have type AB blood.
The patient will now have type B blood instead of type A blood.
Question 3 (0.5 points)
A hematocrit of 45% would indicate
Question 3 options:
anemia.
45% red blood cells.
45% plasma.
polycythemia.
Question 4 (0.5 points)
Which white blood cell functions to kill parasitic worms and play a role in allergy attacks
Question 4 options:
monocytes
eosinophils
basophils
lymphocytes
Question 5 (0.5 points)
A patient with type A blood is accidentally given a transfusion with type B blood. Answer the following questions. What antibodies does the patient with type A blood produce?
Question 5 options:
anti-A
The patient with type A blood would not produce antibodies.
anti-O
anti-B
Answer:
Explanation:
1. Conversion of fibrin to fibrinogin
2. It will cause severe illness or death
3. Polycythemia
4. Eosonophils
5.anti b
Which path shows how gravity causes water to move?(APEX)
Answer:
Stream , Tributary, River, and Lake
Explanation:
Stream tributary River and Lake is the path for gravity causes water to move.
What is Path for water?Evaporation, condensation, and precipitation are typically taught as three separate but interconnected stages of the water cycle. Although this is a useful model, the actual situation is far more nuanced.
Water moves through ecosystems on Earth in a variety of ways that are incredibly complicated and still not fully understood.
For better weather, climate, water resource, and ecosystem health forecasting, NOAA is working to increase understanding of the water cycle at all sizes, from the global to the local.
Evaporation, condensation, and precipitation are frequently taught as three basic, circular processes that make up the water cycle. This is a good paradigm, but in practice things are much more nuanced.
Therefore, Stream tributary River and Lake is the path for gravity causes water to move.
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Describe the difference between the different forms of electromagnetic
radiation and how scientists classify the types of electromagnetic radiation.
Answer: Light is a form of electromagnetic radiation. Other forms of electromagnetic radiation include radio waves, microwaves, infrared radiation, ultraviolet rays, X-rays, and gamma rays. The only difference between them is their wavelength, which is directly related to the amount of energy the waves carry. Scientists classify them by the frequency of their wavelength, going from high to low frequency. When a wave has a lot of energy, it could be a gamma ray or x-ray. If it has low frequency, it has less energy and could be a TV or radio wave.
Explanation:
Maltase is an enzyme that catalyzes the hydrolysis of the disaccharide maltose. This process occurs during human digestion when maltase is secreted by the intestine and then converts maltose into glucose. Which two classes of biomolecules are directly involved in this process?
A .proteins and carbohydrates
B. lipids and proteins
C. carbohydrates and nucleic acids
D. carbohydrates and lipids
Answer: D
Explanation:
Carbohydrates and nucleic acids are the two main classes of biomolecules which are involved directly in the process of digestion of maltose through maltase enzyme. Thus, the correct option is D.
What is Maltase?Maltase is a an enzyme which belongs to the alpha-glucosidase enzyme family. These are found in the small intestine's brush bordered cells. The hydrolysis of the disaccharide maltose into two simple sugars such as glucose is catalyzed through the enzyme maltase.
Maltose is a disaccharide which is produced by the enzymatic hydrolysis of starch, which is a homopolysaccharide and this is catalyzed by the enzyme amylase. Maltose sugar is further hydrolyzed by the enzyme maltase to produce two molecules of d-glucose.
Therefore, the correct option is D.
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Which processes of the rock cycle have been most important in forming the landforms of Florida?
18. in a traditional taxonomic system, a kingdom made up of all prokaryotes except members of the kingdom
Archaebacteria
Imagine you are riding on a train. Which object will appear to be stationary from the train seat?
A. A building outside
B. A poster on the train
C. A passenger walking down the train aisle O D. A tree outside
If someone is riding on a train, the object will appear to be stationary from the train seat, such as a poster on the train, which is present in option B, and this example explains the nature of the motion.
What is the significance of the motion?When traveling by train, some substances appear to be moving along with the train, while others appear to be stationary. This is due to the relative nature of motion, and due to this person inside the train, objects outside the train are moving because the train is in motion, whereas objects inside the train are stationary.
Hence, if someone is riding on a train, the object will appear to be stationary from the train seat, such as a poster on the train, which is present in option B, and this example explains the nature of the motion.
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If, somehow, the number of daylight hours did not change throughout the year, but Earth
was still tilted at 23.5°, would there still be seasons in the Northern and Southern
Hemispheres of Earth? Would the temperature difference between the seasons still be as
great? Explain your reasoning.
Answer:
There would still be seasons, because the intensity of light would still change throughout the year, due to the earth's tilt.
Explanation:
If, somehow, the number of daylight hours did not change throughout the year, but Earth was still tilted at 23.5° then-
Yes, there would still be seasonsNo, the temperature difference between the seasons would not be as greatThe tilt of the Earth's axis at 23.5° leads to the different parts of the Earth to gets a high or less amount of direct sunlight at different times of the year.
If there would be no tilt of the earth then there would be no seasons on Earth.If the number of daylight hours did not change then seasons still be there due to the intensity of light would still change throughout the year as the earth is still tilted. If the number of daylight hours did not change throughout the year then the temperature difference would not be as great due to less light in the daytime will not be able to heat enough and the Earth would not be heated for a longer time in summer.Thus, the correct answer is -
Yes, there would still be seasonsNo, the temperature difference between the seasons would not be as great.Learn more about the earth's tilt:
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does Glycolysis joins glucose to other molecules to make pyruvate.
Which of the following best describes the hydrolysis of carbohydrates
Answer:
The addition of a water molecule breaks a covalent bond between sugar monomers
Explanation:
The digestion of carbohydrates by enzymes is an example of a hydrolysis reaction.
Carbohydrates are chains of monosaccharides. Hydrolysis involves the addition of a water molecule that cleaves the covalent bond between the molecules of sugar.
The reverse reaction is a condensation reaction, the joining of sugar monomers to create a carbohydrate releases a molecule of water.
Why have plants in the alpine biome adapted to survive on limited nutrients?
Answer:
The soil in the alpine biome is rocky and nutrient poor. Plants that live in the alpine biome must be suited to the nutrient poor soil.
Explanation:
The plants living in the alpine biome are adapted to survive on limited nutrients as the conditions in the alpine biome is harsh and not favorable. Hence, the plants have to adapt the mountain climate.
What are adaptations?An adaptation is any physical or behavioral feature of an organism that helps them to survive better in their environment. In other words, an adaptation is something that helps them in finding food, water, mates, and shelter.
The alpine climate is the typical climate for elevations above the tree line, where the trees fail to grow due to cold conditions. The climate of alpine biomes is also referred to as the mountain climate or highland climate.
Plants which are living in alpine biomes are typically low growing due to the extreme environmental conditions. There are only about 200 species of alpine biome plants which have adapted to life in cold temperatures and sparse rainfall.
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Which process occurs within the mitochondria?
Answer:
oxidative phosphorylation occurs within the mitochondria
What allows oxygen to create polar molecules?
Answer:
That the oxygen atom attracts electrons a little more strongly than hydrogen does. So even though the electrons from each atom are attracted by both the oxygen and the hydrogen, the electrons are a bit more attracted to the oxygen.
Which of the following is an example of physical weathering?
Frost wedging
Acid rain
Oxidation
Carbonic acid
PLEASE HELP !!
Answer:
I think it's frost wedging because acid rain oxidation and carbonic acid are all examples of chemical weathering I hope this helps you
Which step in the formation of calcitriol is regulated by the parathyroid hormone
Answer:
The word that would fill this space would be calcium. Calcitonin lowers it, calcitriol increases it, and parathyroid hormones balance it out.
I hope this helped you! Good luck. :)
Which one of the following is an example of qualitative data? *
Answer:
the is no pictures or equation I'm sorry can you try and upload it again I would love to help
Explanation:
upload
you will be sending over
please elaborate what u mean
What is the meaning of atomic models
Answer:
The meaning of atomic model is the smallest quantity of an element that can take part in a chemical reaction.
Explanation:
Enzymes speed up and direct chemical reactions.
True
False
Enzymes speed up and direct chemical reactions. TRUE
Enzymes are proteins that act as biological catalysts by way of accelerating chemical reactions. The molecules upon which enzymes may also act are called substrates, and the enzyme converts the substrates into specific molecules called merchandise.
Enzymes carry out the essential venture of lowering a reaction's activation electricity—this is, the amount of energy that has to be installed for the response to begin. Enzymes paintings by using binding to reactant molecules and maintaining them in such a manner that the chemical bond-breaking and bond-forming approaches take place more effortlessly.
An enzyme is a biological catalyst and is almost usually a protein. It hastens the fee of a specific chemical response inside the cell. The enzyme is not destroyed at some point in the reaction and is used time and again.
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What do the pancreas, liver, salivary glands, and gall bladder have in common?
They are all involved in mechanical digestion.
They are all accessory structures.
They all digest carbohydrates.
They all release digestive enzymes.
Answer: They are all accessory structures.
Reason: They are not apart of the digestive tract.
The liver doesn't release digestive enzymes, it does make some though.
Mechanical Digestion breaking down the food into little pieces via the teeth and saliva .
Carbohydrates are digested not in any of these, but rather in the small intestine.
Answer:
b
Explanation:
They are all accessory structures.
What are the four main parts of a plant?
Answer:
Roots, stem, leaves, flower
Explanation: