Answer:
Interphase is the first stage of Mitosis. This is the cell cycle. Interphase is when the DNA is replicated
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You have a plant that you want to show off at a party. The party happens during autumn (aka fall). Usually in autumn (aka fall) the leaves of your plant fall off. You want to delay the leaves falling off your plant until after the party. What plant hormone would you use to help keep the leaves on? ethylene O cytokinins O gibberellins auxin
Answer:
Auxins
Explanation:
Auxin is a plant hormone that has to do with both leaf and fruit fall.
What type of succession
returns an ecosystem to its
natural state?
A. Critical
B. Primary
C. Secondary
A round red ball is an example of
Physical change
Chemical change
Physical property
Chemical property
Explain why?
Answer:
1
Explanation:
I think that because look at the earth when it spins
A round ball is an example of physical change. Thus option a is correct.
What is physical change?Physical changes are changes which affecting the form of chemical substances but not it's chemical composition. Physical change are the processes in which we can separate mixture from compound, but can't usually be used to separate compound into chemical elements or simplest compound.
Physical change takes place when mixture are can't separate by chemical changes then we separate by the help of physical change. In general a physical change is reversible using Physical means.
A physical change involves a change in physical properties. Example- physical properties including melting, freezing, sublimation etc.
Therefore, a round ball is an example of physical change. Thus, option a is correct.
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A population of grey reef sharks in a coral reef has a maximum per capita growth rate of 1.5 er year. The population size is limited by the carrying capacity of the reef, which is 50 ndividuals.
Which of the following is the growth rate (logistic growth) of the shark population when the population is made of up 30 individuals?
a) 18
b)45
c) 48
d) 75
The growth rate of the shark population when it consists of 30 individuals is 0.9, which is equivalent to 18 individuals per year. Hence, the correct answer is option a) 18.
Logistic growth is a population growth model that takes into account the carrying capacity of the environment, which is the maximum population size that the environment can sustain. In logistic growth, the growth rate of the population decreases as it approaches the carrying capacity.
To calculate the growth rate of the shark population when it is composed of 30 individuals, we need to determine the proportion of the carrying capacity that the population represents. The proportion is calculated by dividing the current population size (30) by the carrying capacity (50), which gives us 0.6.
Next, we multiply the proportion by the maximum per capita growth rate of 1.5 per year. The calculation is as follows: 0.6 * 1.5 = 0.9.
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Nervous System
STIMULUS – RESPONSE PERFORMANCE LAB 38 points
PURPOSE: To measure response time after visual, auditory, and tactile stimuli have been practiced.
MATERIALS: meter stick or a yard stick (If you don’t have one - something about three feet long and stiff will work. You could get cardboard for example and mark off the distances on it..)
PROCEDURE:
Place your arm on a desk or table top with your hand resting on the edge. Your thumb and forefinger need to be projecting over the edge and about 2cm apart.
Your LC, friend or family member will hold the meter stick in a vertical position so that the zero end of the meter stick is halfway between your thumb and forefinger. The holder of the stick will drop it without warning you. You are to catch the meter stick as soon as possible after it has been released. Record on the data table the number of centimeters the meter stick dropped before you caught it.
Repeat the procedure 9 more times.
Repeat the procedure in steps 2 and 3 but this time close your eyes and have your LC, friend or family member tell you the moment the meter stick is dropped. Repeat this 9 more times and record the data in the data table.
Repeat the procedure in steps 2 and 3 but this time use a tactile stimulus. Have your LC, friend or family member touch you as soon as the meter stick is dropped. Be sure your eyes are closed. Repeat 9 more times and record your data.
Repeat the procedure in steps 2 and 3 but this time your LC, friend or family member will try to distract you as they drop the meter stick. Repeat 9 more times and record your data. 20 pts
Signal/Distance
1
2
3
4
5
6
7
8
9
10
Visual Distance (cm)
Auditory Distance (cm)
Tactile Distance (cm)
Distraction Distance (cm)
ANALYSES AND CONCLUSIONS
1. How did the auditory response time compare to the other signals? 2pts
2. How did the tactile response time compare to the other signals? 2 pts
3. How did your response time change with practice? 2 pts
4. Rank the response time from the slowest to the fastest. 2 pts
5. From these results draw a conclusion about practice with regard to stimulus – response time. Remember to state your claim, use evidence, and then make a conclusion. 10 pts
Answer:
Explanation:
Place your arm on a desk or table top with your hand resting on the edge. Your thumb and forefinger need to be projecting over the edge and about 2cm apart.
Your LC, friend or family member will hold the meter stick in a vertical position so that the zero end of the meter stick is halfway between your thumb and forefinger. The holder of the stick will drop it without warning you. You are to catch the meter stick as soon as possible after it has been released. Record on the data table the number of centimeters the meter stick dropped before you caught it.
Repeat the procedure 9 more times.
Repeat the procedure in steps 2 and 3 but this time close your eyes and have your LC, friend or family member tell you the moment the meter stick is dropped. Repeat this 9 more times and record the data in the data table.
Repeat the procedure in steps 2 and 3 but this time use a tactile stimulus. Have your LC, friend or family member touch you as soon as the meter stick is dropped. Be sure your eyes are closed. Repeat 9 more times an
What happens to the domains in this iron nail when the south pole of a
magnet approaches it from the right?
A. All the arrows align to point left.
B. All the arrows align to point up.
C. All the arrows align to point right.
D. All the arrows align to point down.
Answer:
I believe the correct answer is B. All the arrows align to point up.
Explanation:
HELP
what phenotypes will be shown by the offspring in this punnett square?
Answer:
A. All offspring will show the dominant phenotype for this trait.
Hope this helps!
Explanation:
researchers established a number of cultured cell lines derived from different tumors. how might they determine which ones are malignant?
A) identify the ones with aberrant chromosome number of stucture
B) identify the ones with elongated cell cycles
C) identify the ones with elevated rates of apopotosis
D) identify the ones that grow in single layer in culture
The correct option is C; Identify the ones with elevated rates of apoptosis . The Differences Between Cancer and Normal Cells Cancer cells, for example, proliferate in the lack of signals urging them to.
Normal cells only develop in response to such signals. disregard signals that typically instruct cells to cease dividing or die (a process known as programmed cell death, or apoptosis). The clonal origin of cancer cells in a specific tumour is supported by observations showing all malignant cells have the same type of mutation, whether chromosomal or otherwise.
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D. Consider the following: The crabs that live in the aquatic biome pictured depend onliving in shallow water that has a temperature no greater than 60 degrees F. Ifclimate change causes an increase of that water's temperature to 62 degrees F, whatwill likely happen to the dolphins in that biome, and why?
Climate change is expected to be the main cause of mass extinctions in the 21st century and dolphins are not exempted. The swift warming of the planet leads to a loss of habitat for dolphins and increase competition for a lessening amount of prey species. It disturb the timing and ranges of their migration, distribution and ability to reproduce.
Some dolphins may not be able to survive and limit the ability to move northwards into cooler habitat as waters become warmer.
FALLING OF STONE
○ FAST CHANGE
○NATURAL DESIRABLE CHANGE
○NATURAL UNDESIRABLE CHANGE
○SLOW CHANGE
Answer:
answer is fast change due to free fall of object in air.
________is caused by loss of large amounts of whole blood, plasma or interstitial fluids.
Hypovolemic shock is caused by the loss of large amounts of whole blood, plasma, or interstitial fluids.
This condition occurs when the body experiences a significant decrease in its circulating blood volume, which is essential for maintaining proper blood pressure and delivering adequate oxygen and nutrients to the body's cells and tissues. The reduction in blood volume can result from various causes, including severe bleeding, burns, dehydration, or other medical conditions.
When hypovolemic shock occurs, the body's compensatory mechanisms, such as increased heart rate and vasoconstriction, try to maintain adequate blood pressure. However, if the blood loss continues and these mechanisms are overwhelmed, the body enters a critical state, with the risk of organ damage and failure.
Rapid identification and treatment of hypovolemic shock are crucial for preventing severe complications. Treatment aims to restore the lost blood volume, either through blood transfusion or administration of fluids, such as plasma or saline. In some cases, medications may be used to support blood pressure and heart function, while the underlying cause of the blood loss is addressed. This may involve stopping active bleeding through surgery or other medical interventions, treating burns, or managing dehydration with appropriate rehydration therapies.
In conclusion, hypovolemic shock is a life-threatening condition resulting from significant loss of whole blood, plasma, or interstitial fluids. Prompt recognition and management are essential for ensuring the best possible outcome for affected individuals.
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if something starts to get smaller which law of motion is it
Answer: second law
Explanation: second law is about force = mass acceleration
Explain the method scientists use to study how Earth's atmosphere and climate have changed during the past million
years
Answer:
Scientists study Earth’s climate and the ways that it changes in a variety of different ways, using satellite, instrumental, historical, and environmental records. One challenge of using satellite and instrumental data is that their lifespans have been rather short when compared to Earth’s life. The satellite record is only a little over 20 years old and the instrumental record only extends back into the 19th century. Both of these records can be too short to study certain climate processes that occur over hundreds to thousands of years.
Explanation:
consider a free ribosome. what enters this organelle, and what comes out of it, in the process of protein synthesis?
The messenger RNA (mRNA) enters the free ribosome, and a polypeptide emerges.
The process of translation involves a large number of other molecules and macromolecules in addition to the mRNA template. Each component's composition may alter between species; for example, ribosomes may contain varying amounts of polypeptides and rRNAs depending on the organism. However, the overall designs and operations of the machinery responsible for protein synthesis in both bacterial and human cells are comparable. An mRNA template, ribosomes, tRNAs, and numerous enzyme components must all be present for translation to take place. Protein synthesis can be broken down into the same three processes as mRNA synthesis: initiation, elongation, and termination. Both prokaryotes and eukaryotes translate in a similar way. The process of translation in the prokaryote E. coli will be examined in this section, along with any distinctions between prokaryotic and eukaryotic translation.
Hence, protein are synthesized from the mRNA sequence.
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A storm blew a population of birds to an uncharted island. After many generations, two separate species of birds evolved. One population had very small beaks that could get into the crevices of tree bark to catch insects hiding there. The other population had very large beaks to crack the hard shells of seeds.
Use the sketchpad below to draw a graph of the type of selection curve that these two populations of birds exhibit. Use blue for the original population and red for the population after selection had occurred.
In the exposed example, the original bird population suffered disruptive selection, through which the extreme phenotypes were favored over the intermediate ones.
What is disruptive selection?
Disruptive selection is one of the different types of natural selection, that causes an increase in the two types of extreme phenotypes over the intermediate forms.
Both extreme phenotypes have been favored over intermediated forms, resulting in the development of two groups with very marked differences.
Disruptive selection can lead to speciation, driving evolution. This is why it is also called "diversifying selection."
In the exposed example, the original bird population suffered from disruptive selection. Two new groups (species) emerged from this separation,
the ones carrying small beaks and the ones expressing large beaks.You can learn more about disruptive selection at
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Question 1 of 5
Joaquin is doing an experiment with a ramp and a ball. He
wants to know how the slope of a ramp will affect the
speed of the ball when it reaches the end of the ramp.
Which step allows Joaquin to use his imagination in this experiment?
A. Identify the variables in the experiment.
B. Accurately record the results in a data table.
C. Decide which type of ball to use.
O D. Measure the angle between the ramp and the floor.
Answer:
Explanation:
The answe is c
The step that allows Joaquin to use his imagination in this experiment is to decide which type of ball to use. The correct option is C.
What is an experiment?An experiment is a process of constructing a result by using variables. The variables are manipulated and the effect of manipulation is observed in the result. Controls are frequently used in experimental designs to monitor system variability and look for error sources.
Joaquin is testing a ramp and a ball in his experiment. He is curious about how a ramp's slope will impact the ball's speed as it approaches the ramp's conclusion. Deciding first which type of ball should be used can help in imaging the effect of slope on the ball.
Thus, the correct option is C. Decide which type of ball to use.
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WHOEVER ANSWERS GETS THE BRAINLIEST AWARD
Plants and animals are the producers in an ecosystem. true or false
Answer:
false
Explanation:
plants make their own food
animals must find their food but do not produce it
silver oxide coatings with high silver-ion elution rates and characterization of bactericidal activity
The manufacture and characterisation of silver oxide films for application as bactericidal coatings are described in the research.
There are reports on the synthesis parameters, dissolution/elution rate, and bactericidal effectiveness. Reactive magnetron sputtering was used to generate the synthetic conditions necessary to produce AgO, Ag2O, or combinations of AgO and Ag2O on surfaces. All of the examined bacterial strains are hampered from growing by the coatings, which exhibit good adherence to numerous substrate materials. Escherichia coli and Staphylococcus aureus can be killed by the coatings, which also show a distinct zone of inhibition against bacteria growing on solid media and the capacity to quickly stop bacterial growth in planktonic culture.Learn more about the bactericidal activity with the help of the given link:
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- Which part of the scientific name is the genus?
a. The first word.
b. The second word.
c. Both words are.
d. Neither word is.
Answer:
[A] The First Word
Explanation:
Scientific name = Genus + Species
Hence, First word = Genus and second word = Species
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how would the cylindrical shape of the palisade mesophyll ?
The cylindrical shape of the palisade mesophyll cells allows more cells to be packed into space, allowing for more chloroplasts and more photosynthesis to occur.
What precisely is photosynthesis?
Photosynthesis is defined as the process by which green plants prepare their own food in the presence of sunlight, and chlorophyll found in plants aids in this process. Heat energy is converted to chemical energy during this process.
Tissues have been combined to form muscles, and these muscles are of various types. The muscles have then been combined to form organs, and each organ of the body is composed of tissues.
Therefore, The cylindrical shape of palisade mesophyll cells allows more cells to be packed into space, allowing for more chloroplasts and more photosynthesis.
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Refrigeration, preservation, and storage technologies
• improvements in land, sea, and air transportation
• telephones, Internet, and other communication technologies
Which economic activity benefited the most from the technology changes listed in the chart above?
A.
global trade
B.
oil drilling
C.
goods manufacturing
D.
alternative energy production
The economic activity that benefited the most from the technology changes listed in the chart is global trade.
The improvements in land, sea, and air transportation, as well as advancements in communication technologies like telephones and the Internet, have significantly contributed to the growth and efficiency of global trade. These technological changes have facilitated faster and more reliable transportation of goods and improved communication between businesses and customers worldwide.
Global trade involves the exchange of goods and services across borders, and the advancements in transportation and communication technologies have made it easier for businesses to connect with suppliers, manufacturers, and consumers in different parts of the world. The ability to transport goods more quickly and efficiently has reduced the time and cost associated with international trade, allowing for a greater volume of trade and expanding market opportunities. Additionally, improved communication technologies have facilitated real-time communication and coordination between businesses, enabling smoother transactions and faster decision-making processes.
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Mixing of genetic information during a sexual life cycle of a species will introduce
genetic variations. Which of the following correctly shows process that increase
genetic diversity? (B.6G)
I. Random fertilization
II. Mitosis
III. Independent assortment of chromosomes
IV. Crossing over of alleles
I, III, and IV
III and IV only
l only
l, ll, and lll
Genetic diversity is a biological term that explains the variations that exists in the genetic makeup of organisms in a population. It also ensures survival and prevents inbreeding effects.
The process that lead to an increase in genetic diversity include:
I. Random fertilization
III. Independent assortment of chromosomes
IV. Crossing over of alleles (I, III, and IV)
These processes of random fertilization, independent assortment and crossing over ensures continued variation among populations. All these processes allows for the blending and mixing of the alleles to give a combination that is different (not identical) to that of the parents.Learn more about genetic diversity: https://brainly.com/question/22143200
.A 35-year-old woman comes to the emergency department with nausea, vomiting, and fever. Her symptoms began 24 hours ago, and she has been unable to eat or drink anything since. She has a 3-year-old daughter who had similar symptoms 2 days earlier but is now fine. Laboratory studies show a blood glucose level of 82 mg/dL despite her 24-hour fast. Maintenance of this patient's blood glucose levels is facilitated by hepatic conversion of pyruvate into glucose. Which of the following substances directly stimulates the first enzyme involved in this process?
A) Lactate
B) oxaloacetate
C) pyruvate
D) Acetyl coA
e) Fructose 2,6 bisphosphate
The substance that directly stimulates the first enzyme involved in this process is (A) Lactate.
In this case, the patient's blood glucose level is maintained through a process called gluconeogenesis, which is the synthesis of glucose from non-carbohydrate sources.
The first enzyme involved in this process is pyruvate carboxylase. Lactate (A) is converted to pyruvate, which then directly stimulates pyruvate carboxylase.
This enzyme converts pyruvate into oxaloacetate, and further steps in gluconeogenesis produce glucose.
The other substances listed (B, C, D, and E) do not directly stimulate the first enzyme involved in this process, making lactate the correct answer.
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what information can be determined about using half-life?
Answer:
The half-life of an isotope is used to describe the rate at which the isotope will decay and give off radiation.
Explanation:
Which kind of food preservation method has the shortest shelf life?
Answer: these are the diffrent types of food preservation methods as you see pickling or storing is the shortest or fermeting
Freeze-drying – 10 years to 15 years (or more)
Drying or Dehydrating – 5 to 10 years for fruits and vegetables
Canning – 12 months to 3 years using hot water/pressure canning
Salting (corning, brining) – in the one year range (depending)
Fermenting – also in the one year range (depending)
Freezing – 8 months to 12 months
Pickling – 5 months to 6 months
Storing – a few weeks to a few months
Explanation:
Someone made the claim "Marine species live in the water. Temperature doesn't matter to them." Give TWO pieces of evidence that would prove this claim false.
The pieces of evidence that would prove this claim false include:
Temperature affects the presence of dissolved oxygen in waterHigh temperature could lead to decreased activities of animals thereby reducing reproduction.What is Temperature?This is defined as the degree of hotness or coldness of a substance and is influenced by thermal energy.
High temperature will reduce the amount of oxygen in water and also decrease the activities of animals which is why it matters to them.
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Explain why the a single loop circulatory system is able to supply raw materials to cells as fast as the double – loop circulatory system.
Answer:
In the case of single circulatory systems, e.g. as in fish, the heart receives deoxygenated blood (also described as 'oxygen-poor blood') into the atrium of the heart and pumps it through the ventricle of the heart so that it continues onwards to the gills.
Each day, the moon will rotate about___degrees around the Earth.
A.)15
B.)13
C.)11
D.)23.5
Answer:
13
Explanation:
Moon moves 12-13 degrees East every day
it will rotate 13 degrees around the earth
each of the following statements concerning the gram-positive cell wall is true except
Each of the following statements concerning the gram-positive cell wall is true EXCEPT it protects the cell in a hypertonic environment.
Compared to gram-negative bacteria, gram-positive organisms have a thicker peptidoglycan cell wall. The peptidoglycan layer of the gram-negative cell wall is 2 to 3 nm thick and protected by an outer lipid bilayer membrane, whereas this polymer is 20 to 80 nm thick. While Gram negative bacteria have an outer lipid membrane and a thin peptidoglycan layer, Gram positive bacteria have a thick peptidoglycan layer.
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Can you help me i will give you a branlist please it’s science
Answer:
There is no molecular motion in a solid
Explanation:
There are molecules that move freely in liquids and gases but in a solid they don't move. They are usually stuck