Answer:
It is an unconcious process
Explanation:
Homeostasis is when the body is made sure to have a constant environment inside so that the body can work at it's optimum conditions .... constant temperature, constant pH etc ... you do sweat when you feel hot but you can't control it... your mind just tells it to... vadodilation and vasoconstriction for a constant temperature occurs for a constant temperature as well(when vessels dilate and constrict), your mind allows the vessels to do so without you thinking about it.
Homeostasis is an unconscious process.
Homeostasis can be defined as the ability of the organism to maintain the internal environment constant with respect to the changes occurring in the external environment. The steady state of the body can be achieved by the regulation of body temperature, pH, and metabolism. These changes are controlled by the hypothalamus gland in the human body which is without our conscious state of awareness. Some of these changes are control of heart rate, body temperature, and blood pressure.Hence, controlling homeostasis is an unconscious process.
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Which of the following is NOT a function of a lipid?
Cell membrane formation
Long term energy storage
Quick source of energy
Hormones (steroids)
Why is evolution considered a scientific theory?
A. Because it is a hypothesis.
B. Because it is a guess made by scientists.
C. Because it was thought of by scientists.
D. Because it is supported by scientific data.
Evolution considered a scientific theory because it is supported by scientific data. Thus option D is correct.
What is evolution ?
A change in the characteristics of a species over several generations due to various cause such as natural selection.
Evolution has different components such as Natural Selection, Macro-evolution, and Micro-evolution.
Natural selection is the method that drives evolution of a species. The organism can undergo adaption in a given habitat to increase the survival rate more than others.
Several factor can influence evolution such as gene flow refers to change in allele frequency in a population due to immigration and emigration.
secondly genetic drift refers to an existing population produces a new and smaller population with less variation in a random manner.
Mutation also add a favorable allele leads to increase in frequency in a population.
Sexual selection refers to selection of successful trait for mating which increase the frequency.
Thus option D is correct.
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#SPJ2
Answer: this it fasho
Explanation:
Which of the following is an example of a scientific question?
a. Is experimenting on white mice right or wrong?
b. Should scientists make as much money as athletes?
c. Does tanning harm the skin?
d. Who is the most famous scientist in the world?
Please
what claim is the author making about the importance of stage 2 sleep?
Answer:
The correct answer is - sleeping soon after a major event would lead more likely to turn the experience into long-term memories.
Explanation:
According to the author sleep has two stage about half of the total sleeping time is consumed by the stage 2 sleeping. According to the passage sleep helps in assembling and arranging the memory on their importance which to save and which to eliminate.
In this passage also suggested that sleeping soon after a major occasion or event, and there was no proper time to mentally resolved, is more likely to make this as long-term memories.
Which of the statements regarding enzymes is FALSE? *
Enzymes are proteins that function as catalysts
O Enzymes are specific
O Enzymes provide activation energy for reactions
Enzymes can only be used once
Answer:
Enzymes can only be used once
Explanation:
Enzymes are there forever
Enzymes are the bio-catalysts that play a crucial role in several chemical reactions and metabolic cycles of the body.
The statement for the enzyme that is false is:
Option D. Enzymes can only be used once
The role of enzymes are:
1. The enzymes are the protein molecules, which are made up of long chains of amino acid residues.
2. Enzymes are highly specific because they have different shaped active sites for the binding of respective substrates.
3. Enzymes are the important parts of reactions and are the bio-catalysts. They lower the activation energy for the reactions and fasten the rate of reaction.
4. The enzymes are referred to as catalysts, and thus they are not utilized in the reaction, thus, they can be reused again.
Thus, Option D is false for enzymes.
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Match the characteristics to the correct phylum. organisms lack symmetry organisms have specialized stinging cells adult forms are sessile two types of body plans exist—polyp and medusa organisms obtain food by
Answer:
The organisms phylum is cnidaria of kingdom animalia.
Explanation:
Phylum cnidaria are Majorly aquatic organisms that live mostly in Marine habitats.
They are radially symmetrical.
They are multicellular organisms and have few tissues.
They have internal body cavity and mouth.
They have specialised stinging cells called cnidocytes which has nermatocysts.
They reproduce either sexually or asexually.
The adult exist in two different forms , Polyp and Medusa.
They are canivorous or filter feeders.
Examples are corals, hydras, jelly fishes, sea anemones e.t.c.
Difference between sensory and motor neurons ???
Answer: Sensory neurons are neurons responsible for converting external stimuli from the environment into corresponding internal stimuli. Motor neurons are neurons located in the central nervous system (CNS); they project their axons outside of the CNS to directly or indirectly control muscles
Answer:
Sensory Neuron
Neurons that carry sensory impulse from sensory organs to the central nervous system are known as sensory neurons They are located in the dorsal root ganglion of the spinal nerveIt is unipolarComprises of a short axonAn adult has an average of 10 million sensory nerves in the bodyFound in eyes, skin, ears, tongue and nosemotor neuron
A neuron that carries motor impulses from the central nervous system to specific effectors is known as motor neurons.They are located in the ventral root ganglion of the spinal cord.It is multipolarComprises of a long axonHalf million of motor neurons are found in the bodyFound in muscles and glands"The first step of an action potential involves a large concentration of _____ passing through the cell membrane."
Answer: Sodium
Explanation:
An action potential is a wave of electrical discharge that travels along the cell membrane modifying its electrical charge distribution. Action potentials are used in the body to carry information between tissues, making them an essential feature for life.
They can be generated by various types of body cells, but the most active in their use are the cells of the nervous system to send messages between nerve cells (synapses) or from nerve cells to other body tissues, such as muscle or glands. There is always a potential difference or membrane potential between the inner and outer part of the cell membrane (usually ~70 mV). The charge of an active cell membrane remains negative (inside vs. outside) and varies within narrow images.
The difference in membrane potential is due to the differential distribution of ions (mostly chlorine and sodium on the outside of the cell, and potassium and organic anions on the inside). The cause of the action potential is the exchange of ions across the cell membrane. First, a stimulus opens the sodium channels. Since there are some sodium ions on the outside, and the inside of the neuron is negative relative to the outside, the sodium ions quickly enter the neuron. Sodium is positively charged, so the neuron becomes more positive and begins to depolarize. Potassium channels take a little longer to open; once opened, potassium quickly leaves the cell, reversing the depolarization. At about this time, the sodium channels begin to close, bringing the action potential back to -70 mV (repolarization).
In a population of seahorses, red seahorses on average produce 125 offspring and brown seahorses produce 75 offspring. What is the fitness of the brown phenotype?
In fluorescence microscopy, the _____ absorbs light energy from the excitation light and emits colored light.
Answer:
fluorochrome absorbs light energy
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Type the word
Definition
Usage
Answer: definition is the fact of being used
Explanation: your using that object so it’s being used
Answer:
Definition Usage
Explanation:
Earth scientists study the history of the earth. What are some ways that they determine the age of the earth or geologic features (for example, what did William Smith do?)? Which techniques are most accurate to help with this process? How has our understanding of the age of the earth changed over time
Answer:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
Explanation:
A car drives with a constant speed of 28 miles per hour. How far can it travel in 2 3/4 hours?
Answer:
77 miles.
Explanation:
28 miles per hour.
to break it up.
1 mile = 28
1 mile = 28
that is a total of 56 miles in 2 hours.
3/4 of 28 is 21.
21 + 56 = 77
describe the following conditions: diuresis, glycosuria and polyuria
Answer:
Explanation:In the absence of diabetes mellitus and diuretic use, the most common causes of chronic polyuria are primary polydipsia, central diabetes insipidus, and nephrogenic diabetes insipidus. Hypernatremia can indicate central or nephrogenic diabetes insipidus. Hyponatremia is more characteristic of polydipsia.
The most common cause of polyuria in both adults and children is uncontrolled diabetes mellitus, which causes osmotic diuresis, when glucose levels are so high that glucose is excreted in the urine. Water follows the glucose concentration passively, leading to abnormally high urine output.
Which processes form glaciers
Glaciers configure the land through the processes of abrasion, weathering, passage, and deposition creating a specific landform.
What are Glaciers?A glacier is the deposition of crystallized ice, snow, and often liquid water that originates on land and moves down under the effect of its own gravity and mass.
Glaciers are formed by the action of crystalline ice that remains in the same area over a long period of time. A layer by layer deposition of snow accumulates compression to previous layers, and sometimes there is a passage of liquid that is a melted form of snow under the effect of its own mass and gravity.
Therefore, glaciers are formed by four major processes which are described above.
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What was the first animal to orbit the earth?
NEED HELP ASAP
A tree or plant can live without its bark or epidermis. TRUE OR FALSE
Answer:
false
Explanation:
Renewable energy
Non renewable energy
Pros:
Cons:
Answer:
Renewable Energy
Pros: Cleaner than fossil fuel, an abundance out there, can be used without interruption
Cons: Takes alot of energy to produce, may be seasonal and competes with food production
Explanation:
Question 7 (1 point)
Critique the following hypothesis. The width of a rainbow is proportional to the number of raindrops that fall in a storm.
Answer:
Explanation:
Droplet Size. The colors we see of the rainbow depends on the size of the raindrops. If the drops are large, 1 millimeter or more in diameter, the rainbow will be bright with well defined colors where red, green, and violet are bright but having little blue. As the droplets get smaller, red weaken
A removal of a dam in a river has restored river flow and improvedthe water quality of the river. Which of these would most directly increase due to the enhanced water quality in the river ecosystem
Answer:
i dont you figure it out
Explanation:
sorry
Answer:
the life in the ecosystem such as fish turtles green life will all continue grow more efficiently due to the cleaner water
Explanation: the cleaner water helps the fish live a longer and healthier life
such as turtles do need fish and algae for food the green life the cleaner water helps them grow witch the fish and turtles can snack on hope that helped
Starting in 1850 when Europe become industrialized, the frequency of melanic forms of the peppered moth in populations ______ until they made up ______ of some population.
Answer:
increased; almost 100%
Explanation:
The peppered moth witnessed a change in its color and the number at the end of the eighteenth century. The reason behind this was the Industrial Revolution that led to an increase in air pollution. With the increase in air pollution, the dark-colored moths increased in the number. Later, when air pollution decreased, the light-colored moths started to predominate. It was in 1895 that the number of dark-colored moths increased to the maximum.
What is an "asterism?"
A popular group of stars or pattern in the night sky
A star shaped icon on your keyboard
A constellation in the southern hemisphere
A constellation only visible at certain times of the year
Answer:
An "Asterism" is best defined as: A, A popular group of stars or pattern in the night sky
Explanation:
Essentially, an asterism (a recognizable pattern of stars) is part of a constellation, a larger group of stars that cover a region/area of the sky. For example, the Big Dipper is an asterism that is part of the constellation Ursa Major (aka Great Bear).
Hope this helps!
WILL GIVE BRAINLIEST!! Please just take time to look! Thank you:) Under the right circumstances, the lysogenic cycle changes to the lytic cycle. Explain whether the lytic cycle can change to the lysogenic cycle.
Answer:
I don't think that lytic cycle can change to the lysogenic cycle.
Environmental stressors such as starvation or exposure to toxic chemicals may cause the prophage to excise lysogenic cycle and enter the lytic cycle.
Hope it helps.
How many electrons go on the 1 electron level
how many times the larva of silk worm moult?
Answer:
The larva is the silkworm caterpillar. Since the silkworm grows so much, it must shed its skin four times while it is growing. These stages-within-a-stage are called instars.
Explanation:
What molecule is produced as a byproduct when two or more monosaccharides are combined together?
Answer; Disaccharide is form when two monosaccharides undergo a dehydration reaction ( or a condensation reaction).
An organism has 3 duplicated chromosomes after the Sphase of the Cell Cycle. How many total sister chromatids does it have?
An organism has 3 duplicated chromosomes after the S phase of the Cell Cycle, the total sister chromatids have - 6 chromatids.
S-phaseThe number of Chromatids doubles in the Synthesis phase, but the number of chromosomes stays the same. Anaphase doubles the chromosome number but does not affect the chromatid number
The chromosome is different at different times in the cell cycle, depending upon whether the DNA has replicated or not, and when the sister chromatids separate
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A teacher cut an apple into three wedges of the same size.
She dipped one wedge in lemon juice, dipped another in
water, and left one alone. Then she left the wedges on a
paper towel on her desk. After 1 hour, only the wedge that
had been dipped in lemon juice was still yellow. The other
two wedges had turned brown.
What is the responding variable in this experiment?
I am not entirely sure what you mean by "responding variable" but I'm going to guess it was the vinegar since it has been used as a perservative for years.
Hope that helps in some way.
explain how migration, selection, and adaptation might account for various groups of animals coming into existence after the flood
Answer:
As the kinds of animals on Noah's ark were dispersed, the great variability designed into their gene pool allowed them to interact with the environment. The evidence shows that the emergence of new varieties and species can occur in some organisms in as little as five to ten generations an observed fact that evolutionists cannot explain.
someone took the last cookie jar last night the last person to leave the scene is the culprit. Who was it?
clues:
the butler walks to work
the handyman rides a bike
the cook rides a motorcycle
the maid drives a car
the nephew has a seeing-eye dog
Answer: nephew, it didnt say that he left the place yet