Answer: Massively fertile coastal plain that can support plenty of people. Total agricultural land in the EU is 137 million hectares, while China's is 520 million hectares. And it is a problem because of too much population in one land using up all the resources.
Which letters from the image contain genetic information? Hint: Choose multiple answers
The letters from the image that contain genetic information include C, D, and E.
What are genetic information?Genetic information are information present in the cells of organisms that dictate the physical traits of organisms. In other words, genetic information are information present in the cells of living organisms that dictate what the organisms will look like.
The genetic information of living cells are usually stored in the DNA os organisms. These DNAs are made of sequences of nucleotides, with a particular nucleotide sequence representing a gene.
The DNA are packaged and arranged as chromosomes in living cells.
Now, looking at the image, C indicates the genetic materials of the cell where the genetic information are stored. A closer look at C shows that it is made of chromosomes. Each chromosome consists of double helix DNA (D) that is made up of complementary nucleotide bases (E).
In other words, C, D, and E contain the genetic information of the cell.
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What is the frequency of a wave if the velocity is 436.1 m/s and the
wavelength is 17.1 meters?
The frequency of a wave if the velocity is 436.1 m/s and the
wavelength is 17.1 meters is 25.5Hz
What is frequency ?
The quantity of waves that pass a set location in a predetermined period of time is known as frequency. Therefore, if a wave passes through in half a second, the frequency is 2 per second. The frequency is 100 times per hour if it takes 1/100 of an hour.
The temporal rate of change observed in oscillatory and periodic phenomena, such as mechanical vibrations, audio signals (sound), radio waves, and light, is specified by the frequency, an essential parameter in science and engineering.
v = f λ
v = velocity of the wave
f = frequency
λ = wavelength
f = v/ λ = 436.1/17.1 = 25.5 Hz
The frequency of a wave if the velocity is 436.1 m/s and the
wavelength is 17.1 meters is 25.5Hz
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True or false: Carbon in the form of carbon dioxide is needed for both processes of photosynthesis and cellular respiration.
Answer:
yes
Explanation:
it is need for both photosynthesis and cellular respiration
What could result if tryptophan cannot cross into the cell?
A decrease in tryptophan levels in the blood
A build-up of tryptophan levels in the blood
If tryptophan cannot cross into the cell, there will be a build-up of tryptophan levels in the blood (option B).
How do substances move into cells?Tryptophan is an essential amino acid having an indole side chain. It is present in many foods, especially chocolate, oats, bananas and milk.
Tryptophan is essential for normal growth and development and is the precursor of serotonin and niacin. This amino acid is carried by the blood and is absorbed by living cells for use.
However, in a case whereby tryptophan cannot cross into the cells, it becomes built-up in the blood and increase in concentration.
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Using pictures and text, compare and contrast the digestive, circulatory and respiratory systems of an earthworm, crayfish, squid, perch and rat.
The exchange of gases usually takes place through its moist skin and capillaries called as respiratory system of earthworm
The digestive system start at the head and goes all the way down to the end of the tail and the decaying food goes in the pharynx which help to suck soil in mouth and the earthworm has a closed circulatory system and earthworm circulates blood exclusively through vessels
The squids digestive system is in form that loops and food enter the mouth and where the black chitinous beaktear the prey into the pieces and the food is then moved through the esophagus and blood then flow to the systematic heart whereas it is pimped to the rest of the body
The crayfish circulatory system is open system where blood is contained in vessel for only part of the system and the gut of the crayfish is divided into five parts
The perch digestive system start at the mouth like human and earthworm
The rat digestive system consist of an alimentary canal and the digestive gland
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When excitatory neurotransmitters stimulate a single neuron, the neuron
A)more likely to produce an action potential
B)becomes less likely to produce an action potential
C)produces a stronger action potential
D)produces a weaker action potential
E)becomes more polarized
Answer:
A)
Explanation:
neurotransmitters have excitatory effects on the neuron. This means they increase the possibility of producing an action potential in the receiving neuron
When excitatory neurotransmitters stimulate a single neuron, the neuron more likely to produce an action potential. Thus option A is correct.
what is neurotransmitter ?
Neurotransmitters are nothing but the endogenous chemicals released by axon terminals of neurons into the synaptic junctions and its main role is to control the function of the nerve cell.
Some Imbalance of neurotransmitters such as serotonin, norepinephrine and dopamine mainly result in depression.When the level of glutamate neurotransmitter leads to changes in the level of Dopamine cause transition into psychosis.
Different neuro transmitters like enkephalin and serotonin are involved in analgesia system like pain suppression, When Serotonin are released causes local cord neurons and both presynaptic and postsynaptic inhibition of pain fibres.
neurotransmitters have excitatory and inhibitory effects on the neuron which means they increase or decrease the possibility of producing an action potential in the receiving neuron
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Why is the Establishment of biological research institutes so important in Ethiopia
The Establishment of biological research institutes is so important in Ethiopia because realizing its immense potential to exploit biotechnology and the life sciences requires the opening of many new R&D parks.
The establishment of numerous additional R&D parks is necessary in order for biotechnology and the life sciences to reach their full potential. Only by establishing several more R&D institutions can Ethiopia utilize its potential biological and genetic diversity as well as local knowledge of biological diversity.
Ethiopia is hampered in its efforts to establish biotechnology as a tool for the development of the country's economy since it has just five research centers, despite the capacity of the universities and colleges.
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How much energy does the tertiary consumer level contain
Which activity is more likely to be the work of an engineer rather than a
research scientist?
A. Studying the structures that make up bird feathers
B. Comparing the structures and functions of various bird wings
C. Testing the impact of pesticides on local bird populations
D. Using inspiration from nature to develop a winged suit
Answer: D
Explanation:
Using inspiration from nature to develop a winged suit
What is biocenosis
.
Answer:
an association of different organisms forming a closely integrated community.
Explanation:
A biocenosis thus refers to a group of interdependent organisms living and interacting with each other in the same habitat. It may also pertain to a group of fossil species that are typically found together in the same habitat or site.
Biocenosis, is a community of Biotic beings, with life, of an ecosystem, where the different individuals are organized in populations through trophic relationships and also interact with their environment.
Community: It is a totality or quantity of populations of a geographic space.What problem would most likely occur if a haploid cell attempted to perform meiosis?
Answer:
The cell could not replicate its DNA prior to meiosis.
examples and non examples of a atom
Help me lolll pls pls pls pls pls pls pls pls pls
Answer:
Plants are amazing organisms! In a process called photosynthesis, they take sunlight energy from the sun,carbon dioxide gas from the air, and water from the ground and make glucose (food energy)! They also make oxygen during this process. Plants can either immediately use the glucose they make to power their cells or sto… use.
Explanation:
I couldn't read some of the text due to the picture, but this should be right. I hope this helps! :)
Describe how plants make use of glucose
Answer:
plants use glucose through leaves
Give two examples of when molecular evidence was used to reclassify existing schemes
Answer:
Molecular clocks are used to determine how closely two species are related by calculating the number of differences between the species' DNA sequences or amino acid sequences. Molecular evidence for evolution includes that all living things share the same biochemical building blocks.
Explanation:
hope it helps : )
What important function can elodea cells perform that onion cells cannot?'
Elodea cells is capable of photosynthesis, while onion cells cannot
difference between elodea cells and onion cellsElodea cells and the plant itself serve as producers in natural settings because they are photosynthetic plants. Plants use light energy to transform carbon dioxide and water into sugars and oxygen through a process known as photosynthesis. It is the primary pathway for energy to enter an ecosystem.
Elodea cells photosynthesize because they develop in sunlight and are frequently categorized as waterweeds.
Onions cells, on the other hand, grow below the surface, therefore their cells cannot photosynthesize. Additionally, elodea cells have a vacuole that is filled with cell sap, a fluid that is mostly composed of water.
Conclusively, Elodea cells are structurally distinct from onion cells. Elodea cells are arranged in two layers, one of which is long and narrow and the other of which is short and wide. The cells of an onion are bigger and arranged in a single layer.
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Select the answer that best describes the relationship between photosynthesis and cellular respiration.
Question 5 options:
Cellular respiration and photosynthesis have a linear relationship where cellular respiration creates energy for photosynthesis to occur.
Photosynthesis uses light eneregy to create the carbon dioxide needed for cellular respiration to occur while cellular respiration also creates carbon dioxide that is released into the atomosphere. This creates a positive feedback loop of carbon dioxide production.
Photosynthesis uses light energy to convert carbon dioxide and water into glucose and oxygen which is needed for cellular respiration to occur. Cellular respiration takes the glucose and oxgyen and produces water and carbon dioxide that is needed for photosynthesis while also producing energy.
Celluar respiration uses the energy from the sun to create ATP which is used in the process of photosynthesis to produce oxygen and water which are essential to life on this planet.
C. ''Photosynthesis uses light energy to convert carbon dioxide and water into glucose and oxygen which is needed for cellular respiration to occur.
Cellular respiration takes the glucose and oxygen and produces water and carbon dioxide that is needed for photosynthesis while also producing energy'' this is the correct answer.
What is the difference between Photosynthesis and respiration?Photosynthesis is a process that occurs in the body of plants in which carbon dioxide and water are converted into oxygen and glucose in the presence of light energy. In this process of photosynthesis, oxygen is released into the atmosphere whereas glucose is stored in different parts of the plant body.
Glucose is used as food by the plant generating energy in the form of ATP and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide with the release of energy. Water and carbon dioxide are the by-products of cellular respiration and ATP is energy that is transformed from the process of cellular respiration.
So we can conclude that option C is the correct answer.
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What is it referred to when one galaxy collides with another?
O galactic cannibalism
O gravitational lensing
O globular cluster
O irregular galaxy meeting
Galactic cannibalism is referred when one galaxy collides with another.
what is galactic cannibalism?
Galactic cannibalism is the process by which a big galaxy combines with a companion through tidal gravitational interactions, creating a larger, frequently irregular galaxy.
In a new study, researchers channelled their inner Indiana Jones to demonstrate that the Milky Way, our home galaxy, once gobbled up five smaller galaxies.
That will help scientists comprehend how the Milky Way and Andromeda will engage with other, tiny, nearby galaxies and how, eventually, they will merge and join after billions of years in our portion of the cosmos.
Therefore, Option A is correct.
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The NASA resources are: (Select all that apply.)
free to use
limited in scope
contain information about various aspects of science
used for betterment of human life
Answer:
free to use
used for the betterment of human life
Explanation:
What environment would be least likely to rapidly grow bacteria and why?
The environment least likely to rapidly grow bacteria is a classroom desktop, option 3 because it is dry and mostly clean and not as conducive a place for bacteria which thrive in warm, moist, protein-rich environments.
How and where do bacteria thrive?Bacteria live in both hot and cold temperate environments than humans but they thrive more in warm, moist, protein-rich environments with an acidic pH. They can survive and adapt to extreme temperature regions too.
Bacteria can be found in water, swamps, soil, plants, animal, waste and so on. They strive in stratospheres of 6 and 30 miles into the atmosphere and ocean depths.
This is the full question:
What environment would be least likely to grow bacteria and why? Here are your choices:
1. The armpit of a human
2. A warm freshwater mud puddle
3. A classroom desktop
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PLEASE HELP WILL GIVE BRAINLIEST
What are two pieces of evidence that support the Big Bang theory
Explanation:
hubbles discovery in the 1920's of a relationship between galaxy's distance from Earth and its speed
&
the discovery in the 1960's of cosmic microwave background radiation
In this illustration, the small blue spheres represent water molecules. Sections A and B are divided by a membrane, with section A containing fewer water molecules than section B. In which direction will water molecules move across the membrane? Sections A and B are divided by a membrane, with section A containing fewer water molecules than section B Question 9 options: Water will move from A to B There will be no net movement of water. Water will move from B to A.
The water molecules will move from B to A in a media where the small blue spheres represent water molecules, sections A and B are divided by a membrane and section A contains fewer water molecules than section B (Option 3).
What is the movement of osmosis?The movement of osmosis refers to the physical phenomena for which solvent molecules (in this case water molecules) move from a region of high concentration to a region of low concentration through a semi permeable membrane barrier. This transport (i.e., the movement of osmosis) is fundamental to allowing metabolic processes into a cell.
Therefore, with this data, we can see that the movement of osmosis is due to the movement of solvent water molecules from a region with a high concentration to a region with having lower concentration, which occurs to maintain the state of equilibrium or homeostasis of the system.
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There are three plants, A, B, and C. Plant A is placed in a solution of the same solute concentration as that of the plant's cells, plant B is
placed in a solution of a higher solute concentration than that of the plant's cells, and plant C is placed in a solution of a lower solute
?concentration than that of the plant's cells. A cell of each plant is examined under the microscope. Which plant has the most tense cell walls
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Plant A is present in an isotonic solution; plant B is present in a hypertonic solution; and plant C is present in a hypotonic solution. The most tense cell out of three is cell C, which is present in the hypotonic solution as water goes into the cell.
What is a hypotonic solution?
The cell present in a solution can either take or lose water, and that depends upon the outside solute concentration or water potential. The plant cell A is present in the solution at an equal concentration of solutes, which means that the water potential is the same at both ends, that is, outside and inside, preventing any flow of water.
In plant B, the outside solution has more solutes than the water, so it has less water than that of the cell, and in this case, water will flow from the cell to the outside, resulting in a decrease in cell size. In cell C, the solution has low solutes, which means high water, so in this case, the water will flow from the outside to the inside and make the cell swell and more pressure on the cell wall.
Hence, cell C has a more tense cell wall.
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please help I don't know the answer.
What does a cell have to do before it can divide into two new cells?
please answer I still have 3 min only , Plants that live in shallow water have the same roles as plants on dry land. Describe the role of plants. Give an example of an interaction between one of the plants shown and another biotic element in the ecosystem.
The differentiating factor between water and land plants is that the land plants have larger root systems whereas several water plants lack a root system.
What are the roles of plants in shallow water and dry land?Plants that grow in dry areas have xeromorphic traits to reduce transpiration under drought stress.
Reduction in transpiration under drought stress conditions can also be attained through leaf shedding and decrease in leaf number, leaf size, and branching.
The shallow water, abundant light, and nutrient-rich sediment are the ideal conditions for the growth of plants. Aquatic plants then provide food and habitat for many animals such as fish, frogs, turtles, insects and snails.
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Which letter from the image represents a gene?
Hello!
From the image the letter which represents a gene is D.
Hope this helps!
Answer:
The answer to your question is,
D
Explanation:
I hope this helps, and I did this before
CO2 + 6H2O C6H1206 +602
During photosynthesis, what combines
with carbon dioxide to make sugar and
oxygen?
A. H2O
B. NADPH
C. RNA
Its H2O
During photosynthesis, H₂O combines with carbon dioxide to make sugar and .oxygen
The correct option is A.
What is photosynthesis ?The mechanism by which plant convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
What makes photosynthesis so important?The primary function of photosynthetic is to transform chemical energy into solar energy, that is then stored for later use. This mechanism primarily provides energy to the planet's life systems.
What does photosynthesis produce?The process through which light energy is transformed into energy in the form of sugars is known as photosynthesis. Using energy from the sun, glucose (or other sugars) are created from carbon dioxide and water, with oxygen being released as a consequence.
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Almost every cell in the human body is replaced every few years through the process of _____. replication mitosis meiosis duplication
Answer:
It Mitosis, it’s a process that replace every cells in the human body every few years.