Large-scale agriculture will definitely lead to increased atmospheric carbon dioxide. This is due to the attribute that the amount of oxygen released by agricultural plants increases and filters the air that contains toxic gases like carbon monoxide and vamoosing it with CO2.
What is Atmospheric CO2?Atmospheric CO2 may be defined as the amount and quantity of carbon dioxide that is generally present in the atmosphere by the activity of burning fossil fuels, automobile emissions, etc.
It is true that large-scale agricultural activities purify the atmosphere by eliminating all poisonous gases like CO, SO2, etc. This activity is generally performed by the overproduction of carbon dioxide through agricultural plants.
Therefore, it is well described above.
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when testing the temperature of catalase, why did the enzyme catalase work best at 37°c? (select all that apply.)
The catalase worked best at 37 °C because the temperature is optimal.
Enzyme and temperatureEnzymes are proteinous substances that are capable of speeding up the rate of biological reactions.
However, enzymes are very specific in actions and work best at a specific temperature range.
Below the temperature range, the activities of enzymes reduce and may even become denatured.
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from the outside to the inside of a long bone, what is the first tissue encountered?
From the outside to the inside of a long bone, the first tissue encountered is the periosteum.
What are long bones?The long bones of the body are the bones which include the humerus, femur, radius and Luna, tibia and fibuka.
The tissues present in a long bone include, spongy bone, compact bone, periosteum,etc.
The periosteum is a layer of fibrous connective tissue that completely covers a long bone.
It is the first tissue encountered from the outside to the inside of a long bone.
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Identify the bone.
This is all that was given to me and so far I've deciphered that this doesn't exactly look like a part of the mandible.
The table shows the osmotic potential of a range of sucrose solutions.
Concentration of sucrose/mol dm3
0.30
0.35
0.40
0.45
0.50
0.60
Osmotic potential/kPa
-860
-970
-1120
-1280
-1450
-1800
(a) Analyse the data in the graph and in the table to explain how the osmotic potential of tgese onion cells could be determined.
(b) Explain why the plant tissue was left in sucrose solution for 10 minutes before the cells were observed.
Explanation:
(b) Explain why the plant tissue was left in sucrose solution for 10 minutes before the cells were observed.
In the nebular hypothesis, why did the nebula start to collapse?
Answer:
The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas. As these clumps get bigger and bigger, their gravity gets stronger and stronger. Eventually, the clump of dust and gas gets so big that it collapses from its own gravity.
Explanation:
using oil immersion is useful because
Using immersion oil is useful as it acts as an interface between the blade and the front lens of the objective, improving the quality of the visualized image.
What is immersion oil for?Immersion oil is a resource generally used with the objective of greater magnification, its function is to act as an interface between the blade and the front lens of the objective, improving the quality of the visualized image.
With this information, we can conclude that using immersion oil is useful as it acts as an interface between the blade and the front lens of the objective, improving the quality of the visualized image.
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Put the following events of the neuromuscular junction in the order in which they occur. 1. Action potential is propagated in the sarcolemma. 2. Acetylcholine binds to ligand gated sodium channels. 3. Action potential arrives at the neuromuscular junction. 4. Vesicles full of acetylcholine are stored at the axon terminal. 5. Acetylcholine is released into the synaptic cleft.
Muscle contraction occurs when somatic neurons and muscle fibers connect through neuromuscular synapse. The order of events is 4, 3, 5, 2, 1.
How does muscle contaction occur?Muscle fiber contractions are due to stimulation produced by somatic motor neurons, when their axons get in contact with muscle fibers through a neuromuscular synapse.
The sequence of events during muscle contraction is as follows,
1) At rest, attraction strengths between myosin and actin filaments are inhibited by the tropomyosin.
2) An action potential originates in the central nervous system, and travels to the somatic motor neuron membrane, where it activates the calcium channels.
3) Calcium channels open and the ions get into the neuron.
4) Calcium makes vesicles fuse with the membrane.
5) Vesicles release the neurotransmitter acetylcholine (Ach) into the synaptic space at the juncture.
6) Ach moves through the synaptic cleft and binds to its receptors on the skeletal muscle fiber.
7) This recognition event causes the ion channels to open,
sodium ions cross the membrane to get into the muscle fiber (sarcoplasm), potassium gets out.8) The difference in charges caused by the migration of sodium and potassium makes the muscle fiber membrane turns more positively charged (depolarized).
9) The action potential caused by the depolarization enters the t-tubules. Consequently, it depolarizes the inner portion of the muscle fiber.
10) Depolarization activates the T tubules membrane calcium channels and releases the ion into the sarcolemma.
At this point, tropomyosin is obstructing binding sites for myosin on the thin filament.
11) When calcium binds the troponin C, the troponin T alters the structure of tropomyosin by moving it and unblocks the binding sites.
12) Myosin binds to the uncovered actin-binding sites, and while doing it, ATP is transformed into ADP and inorganic phosphate.
13) Z-bands are then pulled toward each other, thus shortening the sarcomere and the I-band and producing muscle fiber contraction.
According to this framework, the correct order of events is,
4. Vesicles full of acetylcholine are stored at the axon terminal.
3. Action potential arrives at the neuromuscular junction.
5. Acetylcholine is released into the synaptic cleft.
2. Acetylcholine binds to ligand gated sodium channels.
1. Action potential is propagated in the sarcolemma.
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When a cat drops from a tree to the ground the conversion of takes place. Then the cat runs up behind a mouse to obtain it food after eating it’s prey the conversion of takes place inside the cats body
Answer:
The first part would be gravitational to kinetic energy. Then it would be chemical to mechanical energy.
Explanation:
The world's largest ocean is the
a. Indian Ocean
b. Arctic Ocean
C. Atlantic Ocean
d. Pacific Ocean.
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the answer is d.pacific ocean is the largest ocean in the world it is also the world's deepest ocean.
Option d is correct. Pacific Ocean is the largest ocean in the world.
The Pacific Ocean, A body of seawater that stretches from the Antarctic region in the south towards the Arctic Circle in the north and is sandwiched between Asia and Australia on the west and South and North America on the east. It covers roughly one-third of the earth's surface and is arguably the largest of the world's oceans. Its total area, excluding neighbouring seas, is estimated 63,800,000 square miles (165,250,000 square kilometres), which is twice the size of the Atlantic Ocean and larger than the entire land area of the world. It has a mean depth of 14,040 feet (4,280 m). The western Pacific is known for its numerous outlying seas.
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A biodiversity hotspot is a region that has lost at least
Answer:
diversity throughout all living organisms
A scientist shines ultraviolet light on a colony of blue colored bacteria. She then places colonies of the bacteria in separate Petri dishes. After
allowing the bacteria to replicate for several generations, the scientist observes that some of the dishes now contain colonies with purple and
red colored bacteria. What can be concluded from this observation?
Retell the story of how the moon formed. integrate as many of the moon's features into the story as possible.
The moon formed due to the collision of earth and other small planet.
How the moon formed?The Moon formed during a collision between the Earth and another small planet about the size of Mars. Due to this collision, the debris from this collision was collected in an orbit around Earth which leads to the formation of the Moon.
So we can conclude that the moon formed due to the collision of earth and other small planet.
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The Big Bang theory states that _____.
Answer:
The big bang theory is states that universe began as just a single point, then expanded and stretched to grow as large as it is right now.
Hope this helps........
what does the immune system protect the body against
Answer:
The immune system defends our body against invaders, such as viruses, bacteria, and foreign bodies.
Explanation:
They protect against harmful germs, parasites (such as worms), or cells (such as cancer).
Organisms inherit specific traits and characteristics from their parents. albinism is an inherited disorder that occurs when an organism is unable to produce or distribute melanin. melanin is a substance in the body that helps determine skin color, hair color, and eye color.
Gene is the basic unit of heredity that carries the trait of albinism from parent to offspring.
What is Gene?This is referred to as the unit of hereditary and is usually transferred from the parent to offspring.
The albinism trait is therefore inherited by the offspring as a result of the gene which is the most appropriate choice.
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Hemophilia is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree.In the pedigree that is shown, which represents Irene's allele combination?
Answer:
XHXH
Explanation:
Hemophilia is an inherited genetic disorder that affects the body's ability to manufacture blood clots, which is a necessary step to prevent bleeding. Hemophilia A and B are both X-linked recessive illnesses, although females are not affected. X-linked recessive inheritance is a kind of inheritance in which a mutation in an X-chromosome gene causes the phenotype to be manifested in males who are hemizygous for the gene mutation because they have one X and one Y chromosome.
Attachment of herpesviruses results in ________, a process in which the host cell facilitates viral entry.
The attachment of herpes viruses results in endocytosis, a process in which the host cell facilitates viral entry.
What is endocytosis?Endocytosis refers to the cellular physiological process where a cell engulfs foreign particles.
This cellular process (endocytosis) is very common to obtain certain substances from the surrounding environment.
In conclusion, the attachment of herpes viruses results in endocytosis, a process in which the host cell facilitates viral entry.
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Select the correct number on the image.
This map shows the amount of soil moisture (SM), which is an indicator of water availability for people living in that region. Based on the data from map, which region has the maximum risk of a water shortage?
Based on the data from map, region 4 has the maximum risk of a water shortage
What are the effects of water shortage?Three effects that water shortage has on a region is that farming is harder to do because the planets will die without water and then we can't get food. People also don't have drinking water or water.
Another effect is that people can't use water for everyday necessities like keeping clean.
Thus, region 4 has the maximum risk of a water shortage.
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how do the chromosomes contained in a gamete differ from the chromosomes contained in other normal human cells?
Gametes have 23 chromosomes, while other normal human cells have 46 chromosomes.
What is chromosome?
Chromosomes are threadlike structures made of protein and a single molecule of DNA that serve to carry the genomic information from cell to cell.
Difference between chromosomes in gamete and normal humanGametes have 23 chromosomes, while other normal human cells have 46 chromosomes.
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Describe the medicinal value of mushroom
Answer:
Mecdicinal Value Of Mushroom
Explanation:
Mushroom are antibacterial, immune system inhancer and cholesterol lowing agents; additionally, they are important sources of bioactive compounds. As a result of these properties, some mushroom extracts are used to promote human health and are found as dietary supplements.
I hope this will help you.
zai tian.
Binomial nomenclature gives people their first and last names, such as John Doe
True
False
Answer:true
Explanation:
Answer:
False.
Lets look about a Binomial nomeclature.
Explanation:
Binomial NomenclatureThis is the scientific system of naming organisms whereby each name is made up of two latin words;Generic name from the Genus of the organism and Specific name from the Species of the organism.Common examples of organisms names with their scientific names as named by this system includes:Organism Scientific nameHuman being Homo sapiensDomestic cat Felis catusHousefly Musca domesticaTrue or false? the chemiosmotic hypothesis states that the synthesis of atp generates a proton gradient that leads to electron flow through an electron transport chain.
Answer:
False
Explanation:
The chemiosmotic hypothesis states that the flow of electrons through an electron transport chain generates a proton gradient that leads to the synthesis of ATP. A proton gradient across chloroplast and mitochondrial membranes drives ATP synthesis by the enzyme ATP synthase.
Which best describes the nature of cellular respiration?
OIt is an energy-seeking process.
OIt is an energy-gathering process.
OIt is an energy-releasing process.
OIt is an energy-destroying process.
The nature of cellular respiration is an energy-releasing process. Therefore, the correct statement is option C.
What is the process of cellular respiration?The process of cellular respiration releases energy. In order to liberate energy from foods and create ATP (adenosine triphosphate), the molecule that transports energy in cells, a metabolic process takes place in the cells of living things.
Organic substances, like glucose, are broken down in a sequence of enzyme processes that release the stored energy, which is then collected in the form of ATP, during cellular respiration.
Since this process takes place in the presence of oxygen, it is also known as aerobic respiration. Living organisms depend on cellular respiration to survive because it helps in the transportation of the energy needed for all of their cellular functions.
Therefore, the cellular respiration is an energy-releasing, and a metabolic process takes place in the cells of living things.
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What is the relationship between velocity and speed
Answer:
Relationship btw Speed and VelocityExplanation:
Speed:
speed can only be positive.
Velocity:
Velocity can be positive, zero and negative in magnitude.
Why might an idea or hypothesis be discarded?
A hypothesis can be discarded due to the emergence of empirical evidence rejecting its assumptions.
What is a scientific hypothesis?A scientific hypothesis is a given explanation about a phenomenon of the real world that is tested by using the scientific method.
Hypotheses are rejected or confirmed by collecting empirical evidence through experimental or observational procedures.
In conclusion, a hypothesis can be discarded due to the emergence of empirical evidence rejecting its assumptions.
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Question 7 of 10
How much of Earth is covered in water?
OA. 50%
B. 95%
OC. 25%
OD. 75%
What factors do the kingdoms protista, plantae, fungi, and animalia have in common?
Which is an abiotic factor that can be found in a rain forest ecosystem?
OA. Water
OB. Trees
O C. Animals
D. Bacteria
Answer:
I think Trees because abiotic means stuff that doesn't live so yea
let me know if i am wrong.
Explanation:
the term __________ refer to a membrane that allows some things to pass through it, but not others
The term selectively permeable refers to a membrane that allows some things to pass through it, but not others.
What is the cell membrane?The cell membrane is a selectively permeable barrier that allows the entry of certain substances into the cell.
Selectivity of the cell membrane is fundamental to maintaining the homeostasis (state of internal equilibrium) of the cell in a surrounding environment.
In conclusion, the term selectively permeable refers to a membrane that allows some things to pass through it, but not others.
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Which of the following correctly compares Kinetic and Potential Energy?
Select one:
O a. Potential energy is stored energy and kinetic energy is the energy of motion.
O b. Kinetic energy is stored energy and potential energy is the energy of motion.
Potential energy is always zero.
Oc.
Od. Kinetic energy is always higher than potential energy.
