NEED HELP ASAP!!!! A change in the internal or external environment of the body that result in a reaction in the nervous system is called a......
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1 point
7.A tree has organs that carry out specific functions needed for survival.
What function do the tree's leaves carry out? *
A)act as reproductive structures
B)capture sunlight to make food
C)take in dissolved minerals
D)anchor the tree underneath the soil
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Answer:
C sorry if im wrong
Explanation:
.
Which animal class has no tissue? A.Sponges B.Cnidarians C.Roundworms D. Flatworms
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the function of the group of proteins that make up the complement system is to
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The function of the group of proteins that make up the complement system is to help defend the body against pathogens.
The complement system is a complex network of proteins that help the body protect against infections. The complement system includes more than 20 proteins that operate together to help defend the body against pathogens. The complement system is a part of the innate immune system that is activated in response to foreign substances in the body, such as bacteria or viruses.
The complement system can be activated in three different ways: the classical pathway, the alternative pathway, and the lectin pathway.
The classical pathway is triggered when antibodies attach to a foreign substance, while the alternative and lectin pathways are triggered by the presence of foreign substances in the body. The function of the complement system is to help defend the body against pathogens by facilitating the immune response.
Once the complement system is activated, it helps to enhance inflammation, attract immune cells to the site of the infection, and directly destroy pathogens. The complement system also plays a role in removing cellular debris and immune complexes from the body.
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Can someone please help me if this is correct
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Answer:
looks great!
Explanation:
Answer:
it looks great sorry
Explanation:
have a great day
What is a likely consequence of a mutation that prevents apoptosis?
A - tumor
B - a loss of amino acids
C - a lack of cell division
D - a reduction in chromosome number
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Answer: I think it’s A if not than b
Explanation:
Since the process apoptosis deals with Cells , only the likely to affected is cancer and mutations can cause a tumor but also it will be the lack of proteins which includes animo acids not sure tho .
Mutation is defined as the alteration of the genetic sequence of an organism due to environmental factors, replication errors, or adaptations.
The correct answer is:
Option A. Tumor
Mutation can lead to:
The mutation is the change in the genes, which can lead to disorders or any illness. The functions of the body and other molecules can be altered, and therefore can be inherited from parent to offspring. Apoptosis is defined as the programmed death of the cells. During the replication, some cells have errors, therefore, they undergo apoptosis to prevent replication of errored genes.Thus, the mutation in the gene controlling the apoptosis will eventually lead to uncontrolled growth of cells leading to tumors or cancer.
Therefore, option A is correct.
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What is the percentage of Thymine if you have 18 % Guanine in a strand of DNA?
32
25
22
18
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Answer: 32%
Explanation: Remember the base pairing rules: cytosine with guanine and adenine with thymine, in equal amounts. That being said, the amount of cytosine is equal to the amount of guanine, meaning that it is 18% as well. Since 18+18=36, you know that the remaining 64% is adenine and thymine collectively. To figure out how much of each base there is, you could divide 64% between each nitrogenous base to get 32% each.
Hope this helps,
Lacia :)
From the graph, how can water's high specific heat capacity be observed? A) The ocean surface temperature and the land surface temperature rose at the same rate over time. B) The ocean surface temperature rose faster than the land surface temperature over the time period. C) The land and ocean surface temperatures stayed about the same during the first part of the time period. D) The ocean surface temperature did not rise as quickly as the land surface temperature over the time period.
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ANSWER ALL THE QUESTIONS
THE QUESTIONS IS ON THE PHOTO
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Answer: (1.) several hierarchical levels in an ecosystem, that share the same function in the food chain and the same nutritional relationship to the primary sources of energy (2.) that only ten percent is available to the next level
Explanation:
K, L, M, N are examples for?
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a+population+of+mice+is+in+h-w+equilibrium.+sampling+techniques+count+16%+of+the+organisms+are+homozygous+recessive.+what+percent+are+homozygous+dominant
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Total, 6% of the organisms in the population are homozygous dominant.
In a Hardy-Weinberg equilibrium, the frequency of alleles remains constant from generation to generation. The Hardy-Weinberg equilibrium equation states that the frequencies of genotypes in a population can be expressed as;
p² + 2pq + q² = 1
where;
p = frequency of the dominant allele
q = frequency of the recessive allele
Given that 16% of the organisms are homozygous recessive (q² = 0.16), we can calculate q;
q² = 0.16
q = √0.16
q ≈ 0.4
Since p + q = 1, we can calculate p;
p = 1 - q
p = 1 - 0.4
p ≈ 0.6
To determine the percentage of individuals that are homozygous dominant (p²), we can square the value of p and multiply by 100;
Homozygous dominant percent = p² × 100
Homozygous dominant percent = (0.6)² × 100
Homozygous dominant percent ≈ 36%
Therefore, approximately 36% of the organisms in the population are homozygous dominant.
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--The given question is incomplete, the complete question is
"A population of mice is in Hardy-Weinberg equilibrium. sampling techniques count 16% of the organisms are homozygous recessive. what percent are homozygous dominant."--
At which phase does the nuclear membrane reform?
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Which particles orbit around the nucleus?
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Answer:
Negative Charged Particles which are Electrons.
Answer:
Electrons
Explanation:
What are electrons:Electrons are particles charge of negatively electricity.
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Explain why DSB-repair homologous recombination can occur between any two DNA molecules that share homology rather than only between two DNA molecules that carry a specific sequence.
The double stranded break repair homologous recombination takes place between and two DNA molecules that share homology rather between two DNA molecules that carry a specific sequence.
During DSB-repair homologous recombination, the processes 3' ends will invade the unknown DNA duplex and bind complementary to one of the strands of the DNA duplex. This is possible only when there is homology between the two DNA molecules.
If the two DNA molecules contain specific sequences, the strand invasion and repair DNA synthesis cannot take place properly. So, DSB-repair homologous recombination occurs between two homologous chromosomes.
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DSB repair refers to the repair of double-strand DNA breaks. Any two DNA molecules that share homology can undergo repair homologous recombination.
This is due to the fact that it causes breaks in two strands and then either interchanges the segment or synthesizes the new strand to use another strand as a motif branching strand. If the two strands share homology, there may be DSB homologous rearrangement. The DNA segment should have been primed. This priming may be possible if we have a homologous sequence as well.
As a result, it is feasible in both cases, in both homologous and similar sequence segments. If not repaired quickly, these DSBs can cause cell death.
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how dose a sprout turn into a tree?
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Please help. What is the function of cell wall?
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Answer:
According to my search:
Explanation:
The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. It also allows cells to develop turgor pressure, which is the pressure of the cell contents against the cell wall.
Generally:
It protects the cell and prevents any physical damage. It provides structure to the cell. It prevents osmotic bursting. It protects the protoplasm against mechanical injury.The cell wall is a structure only found in plants. It surrounds the cell and it provides protection, as well as gives it its structure and helps with filtering what goes in and out.
how do organisms obtain and use the matter and energy they need to live and grow?
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Organisms obtain and use the matter and energy they need to live and grow by food, nutrients, or sunlight in order to carry out cellular processes.
Energy is a necessity for all living things to live. During the act of breathing, they get their energy. Breathing and oxygen-fueled food breakdown within cells are both components of respiration, which releases energy.
Energy is needed for an organism to survive in order to support its essential life processes. Depending on the best survival tactics, organisms must make specific decisions. It begins with the transmission of genetic information through reproduction from one generation to the next.
The molecular mechanisms linked to survival that contribute to the maintenance of life follow next. Nutrition is a crucial component of living since it provides the energy the body needs. Last but not least, a vital component of survival is the efficient operation of the senses and reactions, as well as the development of a lifestyle in a habitat.
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the _____ pathway of pain information has fibers that connect directly with the _____.
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The spinothalamic pathway of pain information has fibers that connect directly with the thalamus.
The spinothalamic pathway is the pathway of pain information that has fibers connecting directly with the thalamus. This pathway is responsible for transmitting pain signals from the body to the brain for processing and perception.The process begins when pain receptors, known as nociceptors, located throughout the body are stimulated by noxious stimuli. These nociceptors generate electrical signals that travel through nerve fibers called A-delta and C fibers.The A-delta and C fibers enter the spinal cord through the dorsal horn. In the spinal cord, these fibers synapse with second-order neurons, which then cross over to the opposite side of the spinal cord.The second-order neurons form the spinothalamic tract, which ascends through the spinal cord towards the brain. The spinothalamic tract carries the pain signals to the thalamus, a relay station in the brain.Once in the thalamus, the pain signals are further processed and relayed to different regions of the brain, including the somatosensory cortex, where the perception of pain occurs.In summary, the spinothalamic pathway carries pain signals from nociceptors, through the spinal cord, to the thalamus, allowing for the perception of pain.
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PLEASE HELP ME I WILL MAKE YOU BRAINLIEST!!!!!!! Need help with number 31!!
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Explanation:
A is 6H2O
B is C6H12O6
C is 6O2
PLZ HELP ME SOMEONE PLZ
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Answer:
D.,A.,C.
Explanation:
Answer:
a,c,d
Explanation:
Of the following, which is NOT considered to increase the risk of developing cancer for humans?Select one:a.ultraviolet lightb.toxic chemicalsc.regular exercised.smoking
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Answer is C.
Explanation: Exercise is good for the body. It helps regu
A microorganism measures 5 μm in length. Its length in mm would be:
a) 0.05 mm.
b) 50 mm.
c) 500 mm.
d) 0.005 mm.
e) 0.5 mm.
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0.005 mm. One millionth of the a metre, or micrometres, are frequently used to measure the size of microbes. Measureable traits of microorganisms include their genome sizes and growth rates, among many others.
Trillions of microorganisms, as well as "microbiomes," are present in the soil, plants, homes, the air we breathe, and on and inside of us. The large percentage of microbiomes support critical functions in our bodies and environments, including digestion and plant growth. In most cases, we can live side by side with them. With a greater understanding of these communities, we might be able using these complex microbial communities for implementations in agriculture and food safety, water purification, manufacturing, renewable energy, as well as biological threat detection.
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insulin is a hormone secreted by the islets of langerhans and is essential for the metabolism of carbohydrates, fats, and protein. the nurse understands the physiologic importance of gluconeogenesis, which refers to the:
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The nurse understands the physiologic importance of gluconeogenesis, glucose synthesis from non-carbohydrate sources. This mostly happens in the liver.
Creating glucose from sources other than carbs is known as glucoseneogenesis. To suit the needs of the body, it aims to keep the blood's level of glucose stable. During the recovery period following prolonged muscular effort, the liver's mechanism of producing blood glucose from lactate is highly active. Non-carbohydrate substrates (such lactate, amino acids, and glycerol) are converted into glucose by a process known as "gluconeogenesis". Both lactate and alanine are first transformed into pyruvate, which is subsequently taken up by pyruvate carboxylase and carboxylated to oxaloacetate (OAA) in the mitochondrion (PC).
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If a skin cell of a typical organism has 28 chromosomes, how many chromosomes will be in a gamete of the same organism? 14 28 56
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If a skin cell of a typical organism has 28 chromosomes, then a gamete of the same organism will have 14 chromosomes.
Gametes are the reproductive cells or sex cells produced by sexual reproduction. Gametes include sperm cells in males and egg cells in females. A gamete contains half the number of chromosomes as the body (somatic) cells.
The body cells of organisms are diploid, meaning they contain two sets of chromosomes (one set from each parent). On the other hand, gametes are haploid, meaning they only contain one set of chromosomes.
To answer the question, if a skin cell of a typical organism has 28 chromosomes, the number of chromosomes in a gamete of the same organism will be half of that number. Therefore, a gamete of the same organism will have 14 chromosomes.
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most of the oxygen transported in the blood is in what form?
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Answer:
Hemoglobin I think
Explanation:
Hemoglobin molecule change the shape/conformation...
If convection cells in the asthenosphere are the mechanism behind plate tectonic movement, what powers the convection cells?
a) energy from the sun
b) energy from the earth's core
c) air pressure changes
d) energy from magma
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The energy that powers the convection cells is ENERGY from the earth's core (Option B).
Convection currents, also known as convection cells, are caused by density differences within a body of liquid or gas. Convection cells inside of the Earth form as material near the Earth's core heats up.The asthenosphere refers to the upper mantle layer beneath the lithospheric mantle which is involved in plate tectonic movement.The heat inside the Earth's core heats the asthenosphere, which is associated with the movement or 'motion' of convection cells.In conclusion, the energy that powers the convection cells is ENERGY from the earth's core (Option B is correct).
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Describe how the gravitational pull of Earth influences the way matter behaves on Earth's surface.
Then, explain how this gravitational pull changes Earth's surface during earthquakes, landslides or mudslides, and floods.
3Points Worth
Your answer should include at least three complete sentences.
Be sure to check your grammar and spelling.
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Gravitational forces are considered to be linked to mass.
There is a gravitational force of attraction between every object in the universe. The size of the gravitational force is proportional to the masses of the objects and reduces (weakens) as the distance between them increases.
Both objects exert an equal attractive force on each other: a falling object is attracting the Earth with the same size force as the Earth is attracting it. The main difference in mass between the Earth and the falling object means the Earth’s movement is extremely small.
Geologists use the term mass wasting to describe the spontaneous movement of Earth material down a slope in response to gravity. Through mass wasting, material from higher elevations is moved to lower elevations where streams, glaciers, and wind pick it up and move it to even lower elevations. Mass wasting occurs continuously on all slopes. While some mass-wasting processes act very slowly, others occur very suddenly.
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You want to make 1 ton ration of an 18% protein ration using corn (12%) and soybean meal (22%). How much of each will he have to mix together? Show your work for full credit.
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Answer:
To make a 1 ton ration of an 18% protein ration using corn (12%) and soybean meal (22%), 0.6 tons of soybean meal and 0.4 tons of corn are needed
Explanation:
Using the Pearson’s Square calculations:
1. Subtract across the diagonal:
a. 18% - 12% = 6 parts soybean meal
b. 18% - 22% = 4 parts corn
2. Sum the parts:
a. 6 parts soybean meal + 4 parts corn = 10 totalparts
3. Divide each part by the total to calculate the percentage of each feed to include in the ration:
a. 6 parts soybean meal ÷ 10 total parts * 100 = 60.0% soybean meal
b. 4 parts corn ÷ 10 total parts * 100 = 40.0% corn
So, to make 1 ton ration of an 18% protein ration using corn (12%) and soybean meal (22%),
60% of soybean meal is needed = 60/100 * 1 ton = 0.6 tons of soybean meal
40% of corn is needed = 40/100 * 1 ton = 0.4 tons of corn
What is the best course of action if solids remain in the flask after the recrystallization heating step? Select one:A Allow the mixture to cool, then strain the mixture.B. Remove solids with a spatula.C. Repeat the heating recrystallization step.D. Filter the hot mixture.
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If solids remain in the flask after the recrystallization heating step, the best course of action would be to filter the hot mixture.
This can be done by using a filter paper and a funnel to collect the liquid while leaving behind the solid impurities. It is important to filter the mixture while it is still hot to prevent the solid impurities from re-precipitating as the solution cools.
If the solid impurities are not filtered out, they may affect the purity of the final product. Repeating the heating recrystallization step or removing the solids with a spatula may not effectively remove all of the impurities and could result in a lower yield of the desired product.
Allowing the mixture to cool and then straining it may also not be effective as the solid impurities may not separate from the solution easily.
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How do we know that the ocean is continually absorbing carbon from the atmosphere, helping with climate stability?
O Increased carbon in the oceans have made them more acidic.
O Ocean pH has increased significantly in the last decade.
O There are bubbles like carbonation on the ocean surface.
O Fish we catch and eat from the ocean are made of carbon.
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The concentration of carbon is increased in the oceans have made them more acidic.
Increased carbon concentration in the oceans which have made the ocean water more acidic is the indication that more carbon is absorbed by the ocean. When carbon absorbed by the ocean, the carbon reacts with water which produced carbonic acid.
This carbonic acid decrease the pH of the ocean water that adversely affect the marine organisms especially coral reefs. When the pH of the ocean water increases, bleaching of coral reef occurs because the algae living on them die so we can conclude that the concentration of carbon is increased in the oceans have made them more acidic.
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Answer:
A
Explanation:
Increased carbon in the oceans has made them more acidic.
In each of the three systems, determine the state of entropy (low or high) when comparing the first and second: i. the instant that a perfume bottle is sprayed compared with 30 seconds later, ii. an old 1950s car compared with a brand new car, and iii. a living cell compared with a dead cell.
a) i. low, ii. high, iii. low
b) i. low, ii. high, iii. high
c) i. high, ii. low, iii. high
d) i. high, ii. low, iii. low
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Answer:
a) i. low, ii. high, iii. low
Explanation: