Answer:
Seed dormancy allows seeds to overcome periods that are unfavourable for seedling established and is therefore important for plant ecology and agriculture. Several processes are known to be involved in the induction of dormancy and in the switch from the dormant to the germinating state.
Logging entails cutting down trees and selling the timber. Identify the possible effects logging could have on various parts of nature.
The blue particles in this image are able to cross the cell membrane through simple diffusion. How will they be transported?
Answer:
The correct answer to your question is D
Based on this information, the substances will move directly across the membrane from inside the cell to outside the cell (D).
What is simple diffusion?It is a diffusion process through the membrane that consists of the passage of a substance through the biological membrane as a function of the concentration gradient.
Molecules and ions can cross the membrane passing from the area of higher concentration to the area of lower concentration.
Therefore, we can conclude that based on this information, the substances will move directly across the membrane from inside the cell to outside the cell (D).
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A person has a sex-linked inheritable disease. Which statement is true about the set of chromosomes which are likely to carry the genes for this disease?
1-The gene is present on a single pair of chromosomes.
2-The gene is present multiple pairs of chromosomes.
3-The gene is always present on an X chromosome.
4-The gene is always present on a Y chromosome.
The statement is true about the set of chromosomes that are likely to carry the genes for this disease is the gene is present multiple pairs of chromosomes.
What is an example of autosomal?An autosomal recessive disorder needs two copies of the altered gene to compel the disease.
For example the Huntington's disease.
Thus, option "B" is correct, The gene is present multiple pairs of chromosomes.
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Answer:
b
Explanation:
describe how a person’s activity level can affect their health.
Hey. Doing a regular physical activity throught your day can give benifites to your health. It can also help you feel confident and strong
Example:
It reduces the risk of developing heart disease, many cancers, high blood pressure, stroke, type 2 diabetes and 'thinning' of the bones.
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What is the effect of DNA copying which is not perfectly accurate on the reproduction process?
Answer:
It results in variations in populations for the survival of species. If the variation are more drastic, then the DNA will not be able to function properly leading to the death of the cell.
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If burning one gram of carbohydrates yields 17,243 Joules (J) of energy and requires 829
milliliters of oxygen, this is the same as saying 20.8 Joules per mL (J/mL).
How much energy from carbohydrates would the stackarel use when consuming 50
milliliters oxygen?
a) 531 J
b) 1042 J
c) 1612 J
d) 735 J
Answer:no it’s 1042
Explanation: you need to apply each conversion factor to the proportion of carbohydrate and lipid in the diet.
The nitrogen cycle moves nitrogen through the abiotic parts of
ecosystems only. True or False?
Answer: false
Explanation: true wasn’t right
what is shunting the blood so that it may be filtered known as?
Answer: Dialysis
Explanation: Dialysis involves either shunting the patient's blood through a special machine (haemodialysis) that helps remove the wastes while preserving water and salts, or removing wastes through fluid introduced into the abdomen (peritoneal dialysis).
Shunting the blood so that it may be filtered is known as Hemodialysis. It is a long answer. Hemodialysis is a process of removing waste and extra fluid from the blood.
Blood is filtered outside the body using a machine called a dialyzer, also known as an artificial kidney.The process of shunting blood for it to be filtered during hemodialysis is done through a vascular access, which is created by a minor surgery that connects an artery and vein, usually in the arm. The blood is pumped from the patient's bloodstream into the dialyzer, which filters the blood, and the filtered blood is returned to the patient's bloodstream.
Hemodialysis is used when the kidneys are unable to filter the blood on their own due to kidney failure. This may be caused by various factors, including diabetes, high blood pressure, glomerulonephritis, and other kidney diseases. Hemodialysis is usually done three times a week for three to five hours per session.
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How many carbon dioxide molecules need to enter the Calvin cycle in order to produce one molecule of glucose?
A one
B three
C nine
D six
Answer:
d.) 6 CO2 molecules produce one glucose
Explanation:
Which statements describe global winds? select three options. they flow in different directions. they travel over short distances. they generate land breezes. they are affected by the rotation of earth. they blow away from poles to the equator.
The statements that describe global winds are:
They flow in different directions. They are affected by the rotation of the earth. They blow away from poles to the equator. What do you mean by Global winds?Global winds may be defined as winds that blow steadily from specific directions over a long distance on the Earth's surface.
Global winds are responsible for steering the storms such as hurricanes. These winds are affected by convection current, pressure gradient, the Coriolis effect, and friction.
Therefore, the above statements best describe the global winds.
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In mitosis how many times does the nucleus divide to form how many cells?
Answer:D
Explanation: the single cells divide into two identical daughter cells
Match each description to the appropriate tool. measures a variety of data, including pH levels and conductivity measures temperature, humidity, wind speed, and pressure gathers information about local atmospheric conditions can digitally record data, such as flow rate
Answer:
1. Scientific probe.
2. Weather station.
3. Weather station.
4. Scientific probe.
Explanation:
1. Scientific probe: measures a variety of data, including pH levels and conductivity. Thus, a scientific probe is a device that is typically used for measuring science-based data such as electrical conductivity, pH levels, salinity etc., of various materials.
2. Weather station: measures temperature, humidity, wind speed, and pressure. Basically, a weather station comprises of various devices for measuring atmospheric conditions such as thermometers, barometers, hygrometer, wind vane etc., used for the measurement of temperature, atmospheric pressure, relative humidity and wind speed respectively.
3. Weather station: gathers information about local atmospheric conditions.
4. Scientific probe: can digitally record data, such as flow rate.
Answer:
SCIENTIFIC PROBE
1. measures a variety of data, including pH levels and conductivity
2. can digitally record data, such as flow rate
WEATHER STATION
1. measures temperature, humidity, wind speed, and pressure
2. gathers information about local atmospheric conditions
Explanation:
These are the correct matches for this question, I got it correct on my test
The rectum stores waste on this short term process
Need help on this last question???
Translation is a vital process in biology that occurs in the cell, specifically in the ribosomes. It is responsible for the synthesis of proteins based on the information encoded in the messenger RNA (mRNA) molecule. The process involves converting the mRNA sequence into a specific sequence of amino acids, which are the building blocks of proteins.
The raw materials for translation include the mRNA molecule, which carries the genetic code from the DNA, and transfer RNA (tRNA) molecules. tRNA molecules have an anticodon region that pairs with the complementary codons on the mRNA, as well as an attached amino acid specific to that codon.
The process of translation begins when the mRNA molecule binds to a ribosome. The ribosome moves along the mRNA, reading the codons sequentially. Each codon is recognized by a specific tRNA molecule with a matching anticodon. The ribosome facilitates the binding of the correct tRNA molecule to each codon, bringing in the corresponding amino acid.
As the ribosome moves along the mRNA, it forms peptide bonds between the amino acids, creating a growing polypeptide chain. This chain continues to elongate until a stop codon is encountered on the mRNA, signaling the end of translation. At this point, the newly synthesized protein is released from the ribosome.
In summary, translation occurs in the ribosomes and involves the conversion of mRNA into a sequence of amino acids. The raw materials are mRNA and tRNA molecules, and the products are newly synthesized proteins.
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A hernia of the bladder through the vaginal wall is known as:
A hernia of the bladder through the vaginal wall is known as Anterior prolapse (cystocele).
What is hernia?Hernia is described as the bulging of an organ or tissue through an abnormal opening.
A hernia occurs when an organ or fatty tissue squeezes through a weak spot in a surrounding muscle or connective tissue called fascia.
It is know that hernias are caused by a combination of pressure and an opening or weakness of muscle or fascia wherein the pressure pushes an organ or tissue through the opening or weak spot.
This is due to the muscle being weak at birth or later in the life of the individual.
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HELP 6th grade work due TODAY!!
Answer:
latitude or location relative to large mountains ranges
Explanation:
This a desert, so there aren't any oceans nearby to cause currents
Higher elevation means colder, and deserts are hot.
Latitude has to do with this area's location on the globe, so if this place is closer to the equator, that would explain why this place is so hot.
The location beside a mountain means that the mountains will stop clouds from going overtop of the desert here.
Either of the first two answer would logically work, but I am leaning towardds the latitude answer.
you also need to perform the qc on the anti-s reagent, and will be selecting cells to serve as a positive and negative control. from the cells below, select which would be the appropriate positive and negative control cells:
To perform quality control (QC) on the anti-S reagent, appropriate positive and negative control cells should be selected. The anti-S reagent is used in blood typing to detect the presence of antigen S in red blood cells.
For the positive control, cells that are known to express the S antigen should be selected. One appropriate choice for this would be red blood cells from a person with the Ss blood type. This person inherited one S gene from one parent and one s gene from the other parent, resulting in the expression of the S antigen in their red blood cells. For the negative control, cells that are known not to express the S antigen should be selected. One appropriate choice for this would be red blood cells from a person with the ss blood type. This person inherited two s genes, resulting in the absence of the S antigen in their red blood cells.
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Which compound forms when the elements Mg and P combine?
A. Mg2P3
B. Mg2P2
C. Mg3P3
D. Mg3 P2
Answer:
D. Mg3P2
Explanation:
Magnesium phosphide has the formula of Mg3P2.
Magnesium-phosphide is a white, solid substance. It reacts with water and it is inflammable in the contact with air. It is a toxic substance that helps in making other chemicals.
It is usually used to burn raw substances, such as animal feeds, processed food commodities.
The combustion of palmitic acid in a bomb calorimeter yields energy in the form of heat released upon oxidation. From a thermodynamic perspective and with respect to the calorimeter experiment, what would you expect the combustion of the same amount of palmitic acid in our body to yield?.
The combustion of the same amount of palmitic acid in our body would also yield energy in the form of heat.
What is combustion?Combustion is a type of chemical reaction that occurs when a compound reacts with oxygen to yield carbondioxide and water with the release of energy as heat.
A calorimeter experiment makes use of the thermodynamic perspective which states that energy can neither be created nor destroyed but can transform from one form to another.
This shows that a calorimeter can be used to measure heat flow through an experiment with measured heat loss to the immediate environment.
When the same amount of palmitic acid is taken into the body system, digestion would take place leading to release of energy in the form of heat released upon oxidation.
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Describe one way that the marathon runner's body uses homeostasis.
Answer:
I will attempt to answer your question.
When the marathon runner begins to run there is the need for increased circulation for blood, nutrients,oxygen,etc to reach vital centers of the body, as an adaptation to the increased muscular activity. Baroreceptors in the coronary artery and the arch of the aorta detect the increase in blood pressure(this becomes the stimulus) and send signals to the brain (control center) that is the cardiac center located in the medulla oblongata. The motor response goes to the smooth muscles of the blood vessels to dilate and for the heart to beat faster. This is one way
Also, the respiratory rate needs to increase so that there will be enough supply of oxygen and removal of CO2 and this is controlled by the sympathetic division of the autonomic nervous system. So the person begins to breathe faster in order to produce more glucose. There is increased glycogenolysis to quickly convert glycogen (by glucagon) into glucose. This will avail enough energy for the brain and cardinal organs. This is two
Again, as the runner runs, excess heat build up must be reduced which is achieved through sweating so that the body begins to cool down or regulate it's temperature. This is three
There's a lot more...
Why it was so unusual to
discover a feathered
species that lived during
the time of the dinosaurs?
Answer:
The preservation of soft tissues such as feathers and scales is extremely rare.
Distinguish between:
Bat and Dove
Answer and Explanation:
Bats are mammals of the order Chiroptera. With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more manoeuvrable than birds, flying with their very long spread-out digits covered with a thin membrane or patagium.
Their wings skeleton have the shape of finger/hands like a human.
Doves are the only family in the order Columbiformes. These are stout-bodied birds with short necks, and short slender bills that in some species feature fleshy ceres. They primarily feed on seeds, fruits, and plants.
#teamtrees #WAP (Water And Plant)
Answer:
Doves have beaks and no teeth, whereas bats have jaw bones with sharp teeth. Although they both fly, Dove and bats feature different structures that allow them to take flight. Doves have rigid, feathered wings that they flap completely in order to fly.
__________ will increase soil nitrates, while ___________ will decrease soil nitrates.
A. Fast growing crops, heavy rains
B. Decomposers, lightning
C. Animal manure, fast growing crops
D. Denitrifying bacteria, Nitrifying bacteria
Answer:
A. Fast growing crops, heavy rains
Explanation:
Fast growing crops will increase soil nitrates, while heavy rains will decrease soil nitrates.
Animal manure has organic waste containing nitrogen that acts as a source of nitrate in the soil and growing crops absorb nitrate from the soil. Thus option C is correct.
What is nitrate?Nitrate is an organic compound of nitrogen that is present in the fertile soil and absorbed by the plants. The Source of nitrate is humus and fertilizer. Humus is obtained from animal manure, and dead and decaying animal and plant bodies.
Fast-growing crops absorb the nitrate from the soil and use it for development and growth such that nitrate decrese in soil. So option C is correct.
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solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
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The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
when a previously neutral stimulus through repeated pairings with an unconditioned stimulus
Classical conditioning is a form of learning that occurs when a previously neutral stimulus comes to elicit a conditioned response as a result of being paired with an unconditioned stimulus. This process is also known as Pavlovian conditioning, named after the Russian physiologist Ivan Pavlov who first described this phenomenon.
In classical conditioning, the unconditioned stimulus (UCS) is a stimulus that naturally elicits a response without any prior learning. For example, the smell of food is an unconditioned stimulus that naturally elicits the response of hunger in most animals, including humans.
The neutral stimulus (NS) is a stimulus that does not naturally elicit a response of interest. In the context of classical conditioning, the neutral stimulus is paired with the unconditioned stimulus in order to produce a conditioned response (CR) that is similar to the response elicited by the unconditioned stimulus.
Through repeated pairings of the neutral stimulus and the unconditioned stimulus, the neutral stimulus becomes a conditioned stimulus (CS) that elicits the same response as the unconditioned stimulus. For example, if a sound (NS) is repeatedly paired with the presentation of food (UCS), eventually the sound alone will elicit a salivation response (CR) similar to the response elicited by the presentation of food.
This process of classical conditioning has important implications for understanding human behavior and learning. For example, phobias can be viewed as a conditioned response to a particular stimulus that has been associated with a traumatic experience. Similarly, advertising and marketing campaigns often use classical conditioning techniques to associate their products with positive emotions and experiences in the minds of consumers.
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Exchange of gases and wastes occurs between cells and...
valves
capillaries
veins
arteries
The small molecules you obtain from the food you eat are the building blocks used to
Answer:
Because these compounds are three of the main building blocks that make up your body. You obtain these building blocks from the food that you eat, and you use these building blocks to make the organic compounds necessary for life.
in the muscle, when a residue of glucose is cleaved from glycogen and converted to pyruvate via glycolysis, what is the net atp production?
In muscle cells, the net ATP production when a residue of glucose is cleaved from glycogen and converted to pyruvate via glycolysis is 3 ATP molecules.
Glycogen is a polysaccharide that stores glucose, and its breakdown into glucose-1-phosphate is the first step in glycogenolysis. The glucose-1-phosphate is then converted to glucose-6-phosphate, which can enter the glycolytic pathway.
Glycolysis is a metabolic process that occurs in the cytoplasm, consisting of ten enzyme-catalyzed reactions. It converts one glucose molecule into two pyruvate molecules, generating energy in the form of ATP and reducing power in the form of NADH. The glycolytic pathway can be divided into two phases: the energy investment phase and the energy payoff phase.
In the energy investment phase, two ATP molecules are consumed for the phosphorylation of glucose and its conversion to fructose-1,6-bisphosphate. In the energy payoff phase, four ATP molecules are produced through substrate-level phosphorylation, and two NADH molecules are generated via the reduction of NAD+.
When glucose is derived from glycogen, the initial energy investment is reduced by one ATP molecule since the glucose-6-phosphate is already phosphorylated. Thus, the net ATP production in this case is 4 ATP produced - 1 ATP invested, resulting in a net gain of 3 ATP molecules for each residue of glucose cleaved from glycogen and converted to pyruvate via glycolysis.
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What is nitrugen cycle?
Answer:
A repeating process where nitrogen moves through living and non living things like the atmosphere, soil, water, plants, and animals. Nitrogen must change forms in order to go through its cycle.
Explanation:
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
I think the answer A. I'm sorry If Wrong
Explanation: