Two types of nucleic acids are DNA and RNA. The functions of these two nucleic acids are DNA creates amino acids, and RNA puts the amino acids together to make a protein.
DNA is answerable for carrying and transmitting hereditary materials or genetic instructions from parents to offspring. In addition to ensuring that all living things pass on their genetic information, DNA is essential for the synthesis of proteins. on the other hand messenger RNA (mRNA) carries the protein draft from a cell's DNA to its ribosomes, which are the apparatus that drive protein synthesis. Transfer RNA (tRNA) then carries the relevant amino acids into the ribosome for inclusion in the new protein.
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Identify one condition, other than identical young plants, that should be held constant during the experiment
Micropropagation (Tissue Culture) is one condition, other than identical young plants, that should be held constant during the experiment.
Micropropagation- Micropropagation is a technique for generating new plants by growing very small fragments of plant tissue from a mother plant that has been carefully selected and prepared in a lab. It is extensively utilized in industrial horticulture. A technique called micropropagation uses tissue culture methods to create plantlets that are genetically identical.
Tissue- A collection of cells with similar structures and functions is referred to as a tissue. The intercellular matrix, a nonliving substance, fills the void between the cells. There might be a lot of this in certain tissues and not much in others.
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Which of these choices is a benefit of replacing a coal-burning power plant with a nuclear power plant?A.Increased cancer rates among local residentsB.Improper storage of radioactive wasteC.Groundwater contamination from radioactive wasteD.Improved respiratory health of local residents
Improved respiratory health of local residents is a benefit of replacing a coal-burning power plant with a nuclear power plant (Option D).
What is a nuclear power plant?A nuclear power plant is a plant that generates energy by nuclear fission, which is a process where an atom splits into two minor particles, thereby relating energy. This energy is used to heat water and then the vapor is used to move turbines that generate electricity.
In a nuclear power plant, the overall process does not produce greenhouse gases (such as for example carbon dioxide) alike coal based plants and therefore it maintains the quality of the air and atmosphere
Therefore, we can conclude that nuclear power plants do not generate contaminant greenhouse gases and therefore they are able to maintain the quality of the air in normal conditions that are suitable for respiration.
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URGENT PLEASE HELP WILL MARK BRAINLIEST
1.) what would be the same category as "kinds" in the Taxonomic classification system?
2.) Why do we have species now that cant produce fertile offspring?
I only know no 2
According to the biological species concept, organisms belong to the same species if they can interbreed to produce viable, fertile offspring. Species are separated from one another by prezygotic and postzygotic barriers, which prevent mating or the production of viable, fertile offspring.
Help me identify the three uses of figurative language in the poem
Which element is most common in carbohydrates?
O oxygen
O carbon
O nitrogen
O hydrogen
A doctor injects a patient with what the doctor thinks is an isotonic saline solution. The patient dies, and an autopsy reveals that many red blood cells have been destroyed. Do you think the solution the doctor injected was really isotonic?.
No, the solution the doctor injected was not really isotonic but hypotonic.
There are three terms used to describe whether a solution will cause water to move into or out of a cell. They include: hypertonic, hypotonic, and isotonic.
A hypotonic solution has less solute and more of solvent. When an hypotonic solution is injected into the body, more water floods the cells and this could lead to bursting or destroying of the red blood cells.
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Which substances are inorganic compounds?
Answer:
Inorganic compounds are not derived from living things. They tend to be minerals or geologically based compounds without C-H bonds. Inorganic compounds consist of single element, salts, metals, sediments and ores.
Explanation:
Most of the DNA in a cell is found in the nucleus. What other organelle also contains DNA?
endoplasmic reticulum
Golgi apparatus
ribosomes
mitochondria
Answer:
the mitochondria
Explanation:
it's responsible for the process of cellular respiration
Be able to explain the carbon cycle – how carbon moves b/w the four spheres – see your mini-cycles.
The carbon cycle cuts across the atmosphere, lithosphere, biosphere and hydrosphere.
What is the carbon cycle?The term carbon cycle has to do with the movement of carbon in the ecosystem. Now we know that the ecosystem is a self sustaining unit of life that is found on earth.
There are four main spheres that make up the universe and these we know them to be;
AtmosphereBiosphereLithosphereHydrosphereWe know that carbon moves across all of these spheres and I would show you how. Respiration and photosynthesis are the key ways that carbon enters the atmosphere. Carbon enters the hydrosphere by means of the dissolution of carbon dioxide in water.
In the lithosphere, carbon is introduced by the process of decomposition that return carbon back to the soil. We know that carbon is contained in all the living things thus carbon is found in the whole biosphere.
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explain how wastage of food contributes to loss oif energy and global warming
The wastage of food contributes to loss of energy and global warming because We waste not only the food itself, but also the water and energy needed to grow, harvest, transport, and package it.
How food waste contributes to global warming?The climate change dilemma is made worse by food loss and waste because of the large greenhouse gas (GHG) emissions it produces.
Food waste is environmentally hazardous even without incineration. Methane, a greenhouse gas that is 28 to about 34 times more potent than carbon dioxide and one of the main causes of climate change, is released when it rots away in a landfill.
Additionally, rotting food in landfills releases methane, an even more potent greenhouse gas than carbon dioxide.
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PLEASE HELP!! I WILL GIVE 5 STARS AND HEART!!!
Darwin's experiments are just one way to study phototropism. A student wants to investigate the effects of phototropism in bean plants. She places a light source directly above one plant, at a forty-five-degree angle to another, and at a ninety‐degree angle from the third.
a. What is her independent variable?
b. What is a hypothesis she might write for her experiment?
Answer:
The independent variable is what is being changed or altered in the experiment (light position), the dependant variable is what is altered or changed by the independent variable (plant).
Explanation:
Consider what is being changed in this experiment to investigate the effects? The plant itself is not changed by the experiment but the positioning of the light source is. That is your independent variable.
The Hypothesis she will write
Researchers come up with their hypothesis based on the information they already know. So to write your hypothesis think about what you already know about phototropism. What do you think will happen to the plant in relation to the positioning of the lamp? Will the plant not move? Will it bend or move to face the lamp?
A population of wolves in wyoming experienced a rapid decline. scientists found that 20 wolves died from rabies, 15 wolves died from mange (a parasitic mite), and 10 wolves died from natural causes. wyoming experienced a recent drought, and many populations, including deer, bison, and bear, have diminished in the past year. what is best described in this scenario?
In this scenario best described is Wolves were exposed to too many limiting factors.
What exactly causes rabies?The rabies virus is just what causes a rabies infection. The virus spreads through the saliva of affected animals. Infected animals can spread the virus to certain other animals or people by biting them. In rare cases, rabies can be spread when contaminated saliva gets in touch with an open sore or mucous membrane, like the mouth or eyes.
Why can't rabies be cured?The permeability of the barrier may increase in an infected brain, allowing antibodies and immune cells to flow through to help eradicate the infection. However, when the rabies virus is present, the blood brain barrier shuts down, thereby making it impossible for anything—including antiviral medications—to get through.
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1. Why are the plates moving and how do they move relative to each other?
2. In what way does the motion of the plates explain the different ages of Earth’s crust?
3. How does the motion of the plates create different surface features? Give at least 3 examples.
1. The heat from radioactive action within the interior of the planet causes the plates to move, sometimes toward and sometimes away from each other.
2. Earth's surface activates with respect to tectonic theory, moving as much as 1-2 inches a year. The many tectonic plates shift and interact with each other. This motion transform the Earth's outer layer. Hence the movement may causes Earthquakes, volcanoes and mountains .
3.Plate motions cause mountains to rise where plates are push together, or converge, and continents to fracture and oceans to form where plates pull apart, or diverge. Hence it results in formation of mountain, ocean and continents .
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Which graphic organizer best compares the energy inputs and outputs of cellular respiration and photosynthesis?
Answer: B
Explanation:
Photosynthesis takes place in chloroplast uses light from the sun, water, and carbon, from cellular respiration. After photosynthesis, the plant turns that energy into, glucose and releases oxygen with their waste. Then cellular respiration, that takes place in mitochondria, use the glucose and oxygen, and use it and transform it back into water and carbon which will be used back for photosyntheis
How is water used in determining pH?
Homeostasis is the process of maintaining a cell's environment. this includes the regulation of calcium ion (ca+) concentration within the cytoplasm. if too much ca+ is inside a cell, how can the concentration be changed?
Homeostasis is the process of maintaining a cell's environment. this includes the regulation of calcium ion (ca+) concentration within the cytoplasm. If too much ca+ is inside a cell Excess Na+ ions will be transported out through membrane protein channels.
The constant internal, external, and chemical conditions that biological systems maintain are known as homeostasis. The organism must keep a number of variables, including body temperature and fluid balance, within prescribed ranges in order to function at its best.
The homeostasis of the organism maintains optimal levels of enzyme and cell activity. It is the preservation of a constant internal environment despite changes in internal and external environments. One of these is controlling the body's blood glucose levels. A protein channel, which acts as a pore in the membrane to let water molecules or small ions pass through quickly, is an example of a transport protein.
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Which is an example of symbiosis? Which is an example of predator-prey?
bromomethane, ch₃br, is a very useful fumigant against a wide range of agricultural pests, from insects to the verticillium wilt fungus. draw the lewis structure of ch₃br.
We must take into account the number of valence electrons that each atom in this molecule has in order to design the lewiS structure for CH three br.
When we examine our setup. As a result, hydrogen will each have one valence electron while carbon will have four. So, multiplying three by one, bro mean will have seven. We therefore get at 14 when we consider the entire number of electrons accessible. Drawing single bonds to each atom around the core molecule, in this case the carbon, is the first thing we do.
And keep in mind that every bond you draw involves sharing two electrons. I have therefore used up eight of the 14 electrons I had accessible as of the moment I drew this.
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Compared to oil and gas, nuclear energy…
1. produces about the same air pollution.
2. produces less air pollution.
3. produces more air pollution.
a(n) neuron carries information from the central nervous system (cns) to skeletal muscle in the periphery. group of answer choices afferent inter efferent ganglion sensory
An motor neuron carries information from the central nervous system (CNS) to skeletal muscle in the periphery.
What is Central nervous system?
The brain and spinal cord make up the central nervous system (CNS).It is one of 2 elements of the nervous system. The other component is the peripheral nervous system, which is made up of nerves that connect the brain and spinal cord to the rest of the body. The other component is the peripheral nervous system, which is made up of nerves that connect the brain and spinal cord to the rest of the body.
The central nervous system is the body's processing hub. The majority of bodily processes, including awareness, movement, thought, speech, and the five senses of sight, hearing, emotion, taste, and smell, are controlled by the brain.
The central nervous system (CNS) contains motor neurons in the spinal cord, which communicate with muscles, glands, and organs all over the body. All of our muscular movements are thus directly controlled by these neurons, which send impulses from the spinal cord to skeletal and smooth muscles (like those in your stomach). In reality, there are two different kinds of motor neurons: lower motor neurons, which travel from the spinal cord to muscles, and upper motor neurons, which travel from the brain to the spinal cord.
Hence a(n) motor neuron carries information from the central nervous system (CNS) to skeletal muscle in the periphery.
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Which statement best describes the relationship between a hypothesis and a
scientific theory?
A. A scientific theory is used to test a hypothesis.
B. A scientific theory can be proven or disproven by a hypothesis.
C. Multiple supported hypotheses are used to form a scientific
theory.
D. Scientific theories are based on facts, while hypotheses are based
on predictions.
A scientific theory is used to test a hypothesis. The correct option is A.
What is a scientific theory?A scientific theory is an explanation of an aspect of the natural world and universe that has been repeatedly tested and corroborated using accepted protocols of observation, measurement, and result evaluation.
A scientific theory differs in that it is a broad general explanation that usually includes multiple hypotheses or observations.
A scientific model is used to test a scientific hypothesis or to represent a scientific theory.
Thus, it can be concluded that a hypothesis can be tested by scientific theory, means the correct option is A.
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Answer:
Its c, Multiple supported hypotheses are used to form a scientific
theory.
Explanation:
I got it right
Place the steps of the respiration process in the correct order.
The steps of the respiration process in the correct order are:
1. Air enters the nostrils.
2. Air passes from the trachea to the bronchi.
3. Air diffuses from the alveoli to the blood cells.
4.Oxygen enters the blood cells.
5. Blood transports oxygen to other cell.
What is respiration in human biology?"Respiration is described as a metabolic process through which the living cells of an organism obtain energy (in the form of ATP) by ingesting oxygen and releasing carbon dioxide obtained from the oxidation of hard organic molecules."
In terms of physiology, respiration is the move or transfer of oxygen from the external environment to the cells inside the tissues and the removal of carbon dioxide in the other direction, which is back to the environment and the step above is the way to go about it.
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See full question below
Place the steps of the respiration process in the correct order.
1) Air passes from the trachea to the bronchi.
2)Oxygen enters the blood cells.
3)Air enters the nostrils.
4)Air diffuses from the alveoli to the blood cells.
5)Blood transports oxygen to other cells.
lateral diffusion of phospholipids in erythrocyte microvesicles occurs at a constant rate of 2±1x10-12 m2/sec (gawrisch et al., 1985). ignoring the standard error, how far would a microvesicle move in one day? given the rate of movements per second, how many movements is this? how large is each movement?
Rate is 2±1x10-12 m2/sec
a) Ignoring the standard error,
Rate = 2m^2/sec
Rate = area covered/ time
In one day, there 24 hours
24 × 3600s
86400secs
Area covered = 2 ×86400
Area covered = 172800m^2
Assume l =b
Area = l^2
L = (Area)^1/2
L = (172800)^1/2
L = 415.69m
The microvesicle would have moved 416m
b) rate in movement per sec
Rate = 2 movements/s
Rate = movement/ time
In a day there are 86400 secs
Movements = rate × time
Movements = 2 × 86400
Movements = 172800 movements
c) the movement is 2 for every second, the microvesicles takes a movement of 2 every second.
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jessica expereinece difficulty keeping her balance after receiving a blow to the back of her head. it is likely that she injured her a. medulla b. thalamus c. hypothalamus d. cerebellum d. cerebellum
The following a knock to the back of her head, Jessica had trouble maintaining her footing. Her cerebellum was probably damaged.
What are cerebellum's functions ?For postural modifications necessary to keep one's balance, the cerebellum is crucial. It adjusts motor neuron signals in response to vestibular receptor and proprioceptor information to account for changes in body position or variations in the stress placed on muscles.
How will a damaged cerebellum affect you?1) Loss of coordination of motor movement can result from cerebellar damage.
2) The incapacity to determine when to halt and at what distance.
3) the incapacity to carry out swift, alternating movements
4) Movement tremors.
5) wide-based, staggered walking
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A day in the life of a bird short essay
How blood is transported from the vena cava to lungs?
Answer:Blood is transported from the vena cava to the lungs in the following steps:
Blood enters the heart at the right atrium.Then the atrium contracts, and
the atrio-ventricular valves open.
This causes blood to pass into the right ventricle.
Then the ventricles contract, and
the semilunar valves open.
This causes blood to pass from the pulmonary artery to the lungs.
Explanation:
Coast Redwoods have been known to reach this size and age:
A. 50 feet tall; 10 feet diameter at breast height (DBH), and 200 years old
B. 380 feet tall; 30 feet diameter at breast height (DBH), and over 2,500 years old
C. 10 feet tall; 40 feet DBH, and 300 years old
Coast Redwoods have been known to reach 380 feet tall; 30 feet diameter at breast height (DBH), and over 2,500 years old.
So. option B is correct.
What are Coast Redwoods?
Coast Redwoods can be referred to as the sole living species of the genus Sequoia in the cypress family Cupressaceae.
The Coast Redwood is an evergreen, long-lived, monoecious tree living 1,200–2,200 years or more.
This species includes the tallest living trees on Earth, reaching up to 115.9 m (380.1 ft) in height (without the roots) and up to 8.9 m (29 ft) in diameter at breast height.
The leaves of the red coast Redwoods vary from being 15–25 mm (5⁄8–1 in) long and flat on young trees and shaded lower branches in older trees. The leaves has a structure of being scale like, 5–10 mm (1⁄4–3⁄8 in) long on shoots in full sun in the upper crown of older trees, with a full range of transition between the two extremes.
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Place the steps of the respiration process in the correct order.
During respiration, 3) Air enters the nostrils. 1) Air passes from the trachea to the bronchi. 4) Air diffuses from the alveoli to the blood cells. 2) Oxygen enters the blood cells. 5) Blood transports oxygen to other cells.
What is respiration?During respiration process occurs gas interchange between the body and the environment.
There are two types of respiration,
1) External respiration involves two different stages, inspiration - inhalation- and expiration -exhalation-.
• During inspiration, the diaphragm and intercostal muscles contractions enhance the size of the thoracic box and reduce internal pressure. As a result, air flows in and fills the lungs.
• During expiration, the diaphragm relaxes, and the volume of the thoracic box diminishes, increasing the internal pressure and making the lungs contract, which results in air expulsion.
2) Internal respiration, during which blood and cells interchange oxygen and carbon dioxide.
Steps:
1) External respiration - Inhalation
Air passes from the environment to the lungs through the nose or mouth.
Oxygenated air moves
• From the nose or mouth to the pharynx.
• From the pharynx to the larynx.
• From the larynx to the trachea.
• From the trachea to the bronchia.
• From bronchia to bronchiole.
• Finally, from the bronchiole to alveoli.
Gas interchange with blood occurs in alveoli.
2) Internal respiration - Systemic circulation
The oxygenated blood moves from the lungs to the heart and the rest of the body.
Gases interchange occurs during this step. Cells take oxygen and release carbon dioxide.
Deoxygenated blood moves from tissues to the heart and from the heart to the lungs, releasing carbon dioxide there.
3) External respiration - Exhalation
Carbon dioxide is released by expiration.
Correct order of steps
3) Air enters the nostrils.
1) Air passes from the trachea to the bronchi.
4) Air diffuses from the alveoli to the blood cells.
2) Oxygen enters the blood cells.
5) Blood transports oxygen to other cells.
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Complete question
Place the steps of the respiration process in the correct order.
1) Air passes from the trachea to the bronchi.
2)Oxygen enters the blood cells.
3)Air enters the nostrils.
4)Air diffuses from the alveoli to the blood cells.
5)Blood transports oxygen to other cells.
Camels produces very little sweat and small amount of concentrated urine. This is a type of adaption called
Camels produce very little sweat and a small amount of concentrated urine due to their adaptation trait developed with respect to desert conditions.
This is a type of Physiological adaptation.
Camels are also known as the "ship of the desert" because their structure, behaviour, whole body shapes, and habits are well adapted to the desert.
Camels drink a lot of water whenever they get it and then stores them in their body for further survival in the desert.They excrete less concentrated urine and their dung is usually dry as that's how their digestive system has adapted to the desert.They produce less sweat as sweating more will lead to dehydration for them and requires them to drink again and again. Similarly, they have padded feet for easy walking on the sand, long eyelashes and hairs for dust protection, and hump for the storage of fats, etc.To learn more about adaptation, refer to the below link:
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Camels mainly produce very little sweat and the small amount of the concentrated urine due to their adaptation trait of the developed with the respect to desert conditions. This is a type of the Physiological adaptation.
As per its name, the physiological adaptation refers to the internal organs, tissues and the cells. In this type of the adaptation, the cellular features, of the internal organs, changes in the hormonal level, and the mood swings and the other features that help an organism to survive, the adapt and the respond to the changes in its environment. the Snakes and the spiders that produce venom to paralyze to their prey and make them easier to digest. and also Many fish and and some reptiles are the cold-blooded to cope with the living in a cold-water environment.
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7. cytosine can be mutated through a deamination reaction. after one round of replication resulting in double stranded dna, what base pair would occupy this position? after two rounds of replication what base pair(s) would you expect?
cytosine can be mutated through a deamination reaction. after one round of replication resulting in double stranded DNA, uracil-adenine base pair would occupy this position. After two rounds of replication Adenine-uracil and uracil-adenine base pairs are formed in two distinct new double stranded DNA.
What is mutation?
A mutation is a change that takes place in the sequence of our DNA as a result of errors made during DNA replication or environmental influences like UV light and cigarette smoke. Viral infection, exposure to mutagens, and mistakes in DNA replication during cell division can all result in mutations. Germline mutations, which occur in eggs and sperm as opposed to somatic mutations, which occur in body cells, can be passed on to progeny.
A cytosine base can be transformed into uracil, a base generally only found in RNA, by a chemical process called deamination. Uncorrected cytosine-to-uracil changes might result in mutations because during DNA replication, uracil will link with adenine rather than guanine (as it would if the base was still cytosine). And after two round of replication one new double strand DNA have adenine-uracil base pair and another strand have uracil-adenine base pair.
Hence cytosine can be mutated through a deamination reaction. after one round of replication resulting in double stranded DNA, uracil-adenine base pair would occupy this position. After two rounds of replication Adenine-uracil and uracil-adenine base pairs are formed in two distinct new double stranded DNA
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