Which functional group has a double bond within it?
(30 POINTS) how do plants maintain homeostasis? (free write)
Answer: Hello: )✨ how do plants maintain homeostasis? is easy so as we should know that As water leaves the plant tissues into the atmosphere, it takes energy with it in the form of heat. Much like when we sweat, this allows the plant to cool and maintain homeostasis. we should also know that most Plants take in carbon dioxide and release oxygen. Did you know they also regulate how much they take in and let out? Leaves have stomata, holes on the underside, that expand and contract to get just the right combination. That's homeostasis.
Explanation: Environmental factors may affect the plants. However, they maintain the internal conditions by self-regulation, known as homeostasis, to adjust to the changing environment. This includes maintenance of the plant's internal temperature and fluid.
Hope this helps <3
Answer:
Transpiration provides evaporative cooling. As water leaves the plant tissues into the atmosphere, it takes energy with it in the form of heat. Much like when we sweat, this allows the plant to cool and maintain homeostasis.
Explanation:
1. describe the advantages of amphiphilic nature of the plasma membrane
2. describe the role of the transport proteins found on plasma membrane
Explanation:
A plasma membrane is permeable to specific molecules that a call needs. transport proteins in the call membrane allow for selective passage of specific molecules from the external environment.
Name this Sedimentary Rock: ___________
This sample has a gritty feeling like coarse sand paper
Answer:
sandstone
Explanation:
Sandstone is made up of tiny sand grains that've been cemented together. Sandstone usually has a rough, granular texture, like sandpaper.
Which statement best describes the cells during stage ii
Answer:
read this
Explanation:
When prophase is complete, the cell enters prometaphase — the second stage of mitosis. During prometaphase, phosphorylation of nuclear lamins by M-CDK causes the nuclear membrane to break down into numerous small vesicles. As a result, the spindle microtubules now have direct access to the genetic material of the cell.
Describe the function of the following in cellular respiration (be specific):
NAD/NADH
electron transport
ATP synthase
oxygen
The function of the following in cellular respiration are energy storing, production of ADP, carry ATP molecules and acceptor.
Briefing :NAD/NADH is an electron carrier that is used during cellular respiration to temporarily store energy.
Adenosine triphosphate (ATP) synthase is to produce ATP in the F1 sector from ADP and inorganic phosphate (Pi).
Electron transport is the process of transferring energy from electron carriers to more ATP molecules.
As the last electron acceptor in cellular respiration, oxygen plays this role.
Cellular respiration :A series of chemical processes known as cellular respiration convert glucose into ATP, which can then be used as energy for a variety of bodily reactions. Glycolysis, the citric acid cycle, and oxidative phosphorylation are the three main processes that take place during cellular respiration.
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Serika is nervous because she noticed that as her daughter is sleeping, her hands and feet start twitching. What causes this? What is it called? What is happening in the brain? What other physiological signs should Serika notice related to this sleep stage?
These twitches are most likely "sleep starts,'. They are are brief movements of the arms and legs that occur as Serika's kid falls asleep. Sleep starts affect up to 70% of children and adults. The technical name for "sleep starts" is hypnagogic or hypnic jer.ks.
What causes sleep starts?Tiredness, stress, or a lack of sleep may aggravate them, so it's worth reviewing the child's sleeping patterns.
What is happening in the brain?Hypnic jer.ks and other forms of myoclonus originate in the same area of the brain that regulates your startle reflex.
Researchers believe that as you fall asleep, a misfire between nerves in the reticular brainstem occurs, causing a reflex that results in a hypnic je.rk.
What other physiological signs should Serika notice related to this sleep stage?Hypnagogic je.rks most frequently occur at random, generally in the sweet zone between being awake and falling asleep.
They may move your entire body or just a portion of it. A especially severe hypnic jolt might cause you to feel as if you're falling and prevent you from falling asleep.
The following are the most common symptoms:
sense of jer.kingjolting, or twitchingdreaming or hallucinating feeling scared "falling" sensation sensory flash quick breathingsweating due to elevated heart rateLearn more about Hypnic Je.rk:
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1 True statements about O3 include which of the following?
I. It is a pollutant in the troposphere.
II. It filters out very little UV-A radiation in the stratosphere
III. Most of it is formed in the stratosphere by reaction between carbon dioxide and free oxygen atoms
A. I only
B. III only
C. I and II only
D. I,II, and III
The statements that is true about ozone (O₃) is as follows:
It is a pollutant in the troposphereIt filters out very little UV-A radiation in the stratosphereThe correct answer is option C.
What is ozone?Ozone is an allotrope of oxygen with symbol O₃ having three atoms in the molecule instead of the usual two.
The ozone layer refers to a region of the stratosphere containing a relatively high concentration of ozone, which absorbs most solar ultraviolet radiation.
Although majority of ozone is found in the stratosphere, the little amount found in the troposphere is a gaseous pollutant.
Stratospheric ozone is formed naturally through the interaction of solar ultraviolet (UV) radiation with molecular oxygen.
Therefore, the statements that is true about ozone (O₃) is as follows:
It is a pollutant in the troposphereIt filters out very little UV-A radiation in the stratosphereLearn more about ozone at: https://brainly.com/question/14330630
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Why were antibiotics created?
Antibiotics were accidentally created. It was created then to kill the bacteria present inside the body, and they affect the health of the body.
What are antibiotics?Antibiotics are antibacterial medication that is used to cure diseases caused by bacteria. They were first created by Alexander Fleming. It was a powerful discovery that is done to kill bacteria.
Antibiotics were proved to be very useful to prevent infection and death from infections.
Thus, inadvertently, antibiotics were developed. At the time, it was developed to eradicate the germs that reside inside the body and compromise bodily health.
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Explain the role amino acid side groups play in the development of the shape of a protein.
Answer:
the answer is
Explanation:
a lot of amino acids that joined together form one protein through a bond called peptide bond
Please place the following values in order from least to greatest .0048 km, 4800 da m (decimeters), 4800 cm, 480 m, 48 hm
The order of the values using the basic unit of meters from least to greatest is: 0.0048 km, 4800 dm, 4800 cm, 480 m, 48 hm.
What are the units of measurement of distance or length?Distance is the space between two points.
The basic unit for measuring distance is the meter.
There are larger as well as smaller units for measuring length or distance which are based on the unit of meter.
The units are as follows:
millimeter, mm = 0.001 mcentimeter, cm = 0.01 mdecimeters, dm = 0.1 mmeter, m = 1 mkilometer, km = 1000 mhectometer, hm = 100 mConsidering the given values;
0.0048 km = 4.8 m
4800 dm = 480 m
4800 cm = 48 m
48 hm = 48000 m
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Kathy used a survey to determine how many of her classmates were left-handed and how many were righy-handed. Kathy's survey falls under which step of the scientific method?
A. Hypothesis
B. Problem/Question
C. Experiment
D. Analyze
Answer 1-7 questions from this page.
sakey
2015 Encyclopaedia Britannica he
9. If 27,500 Kj is at the producer level how many Kj are available for the secondary
consumers ?
0
At the secondary consumers stage we have 275 kJ of energy available.
What is the energy of the secondary consumers ?We know from the second law of thermodynamics that energy could be converted from one form to another. However, the energy conversion is not 100% efficient.
Only 10% of the energy that is taken in at a given level is translated to the next level. We are told that the produces have about 27,500 kJ of energy. At the primary consumer stage, the available energy is 2750 kJ. At the secondary consumers stage we have 275 kJ of energy available.
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What is the speed of a car Wich travels 45 miles in 3 hours
3 hours total
Travel 45 miles total
45/3=15
So the car is traveling at an average speed of 15 miles/h
Answer:
15
Explanation:
i just did the math
Temperatures in the
Gobi Desert reach -40°F in the winter
and 90°F in the summer. Find the range
of the temperatures.
The range of temperature is 130 degree.
Here, highest temperature is 90 °F
Lowest temperature is -40°F
The range of temperature is given as
⇒ highest temperature - Lowest temperature
=90-(-40)
=130 °F
Temperature range is the difference between the maximum and minimum temperatures or between the highest and lowest mean temperatures during a specific time interval, for example, daily, monthly, or seasonal.
There are three temperature scales used today, Fahrenheit, Celsius and Kelvin.Fahrenheit temperature scale is a scale based on 32 for the freezing point of water and 212 for the boiling point of water,
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2. For
Mass number -
Atomic number-
Na
Sodium
22.989 7492
-Symbol of the element
Atomic mass
how many protons the atom has? How many neutrons? How many electrons?
Answer:
Protons: 11
Neutrons: 12
Electrons: 11
Explanation:
A neutral sodium atom has the atomic number 11 and an average atomic mass of 22.989.
The atomic number is always equal to the number of protons.
The mass number is equal to the number of protons added to the number of neutrons.
So, to get the number of neutrons, just subtract the amount of protons from the mass number.
23 - 11 = 12 neutrons
For an atom to be neutrally charged, the number of electrons has to be equal with the number of protons, so this atom will have 11 electrons.
Hope this helps
Which of these best completes this concept map?
|
Is surrounded by
ounded
a rigid coat
of cellulose
mitochondria
??
Contains
Has
a well-
defined nuclear
chloroplasts
membrane
DNA
Plant cell type of cell is surrounded by a rigid coat of cellulose, contains mitochondria, chloroplasts, DNA, and a well defined nuclear membrane.
What is in a plant cell?Organelles, cytoplasmic elements, the cytosol, the cell membrane (also known as the plasma membrane), and the cell wall make up the normal plant cell structure. Plastids, the nucleus, mitochondria, endoplasmic reticulum, and the Golgi apparatus are among the organelles found in plant cells.
What use does the plant cell wall function?It acts as the initial line of defense when the plant comes into contact with pathogens and offers a structural foundation to assist plant growth. The cell wall must also maintain some flexibility so that it can rebuild quickly in response to developmental, biotic, or abiotic stimuli.
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The complete question is-
What type of cell is surrounded by a rigid coat of cellulose, contains mitochondria, chloroplasts, DNA, and a well defined nuclear membrane?
bruno mars wondered if the day of the week impacted how many fans attended his concerts. he performed his concert on a tuesday, friday, saturday.
Tuesday 28,117. friday 32,586. saturday 31,794
what are the 3 constant variables?
Constant variables are all the variables whose values or states remain the same in an experiment to avoid their influence on results. Constant variables that could apply to the experiment: City, Schedule, Ticket Cost.
What is a constant variable?
Several variables are involved in an experiment. Among them are the ones in which the researcher is interested and the ones that are not of interest.
Constant variables are the ones in which the researcher is NOT interested. But since these variables might influence the results, the researcher needs to keep them constant to avoid affecting the dependent variable response.
So, constant variables are all the variables whose values or states remain the same in an experiment.
In the exposed example we need to identify three POTENTIAL constant variables. So first, we will identify the question, the independent and dependent variables, and then we will propose the three constant variables.
Question: Did the day of the week impact on how many fans attended the concerts?
Independent variable: days of the week
Dependent variable: number of fans attending the concert
Constant variables:
Concert city -Chicago-, Concert schedule, Cost of the concert ticket.These variables must be kept constant in this experiment because they might influence the results if they change.
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Complete question,
Part One: For each of the following examples, identify the independent and dependent variables and list three (3) constant variables that COULD apply to the experiment. Remember: there are probably more than just 3 constant variables in an experiment.
Bruno Mars wondered if the day of the week impacted how many fans attended his concerts.
He performed his concert on a Tuesday, Friday, and Saturday in Chicago
Tuesday: 28,117 fans Friday: 32,586 fans Saturday: 31,794 fansVariables
Independent variable: Dependent variable: 3 constant variables:Redshifts were used as supporting evidence for the big bang theory.
Which describes redshifts? Check all that apply.
The light source and observer move closer together.
Observed light shifts to a longer wavelength.
They indicate receding galaxies.
Observed light shifts to a shorter wavelength.
The light source and observer move farther apart.
They indicate approaching galaxies.
The statements observed light shifts to a longer wavelength, indicating receding galaxies and the light source and observer moving farther apart are all issues that describe redshifts.
What are redshifts?Redshift is a term used in the physics discipline to describe a given increase in the emitted wavelength associated with less photon energy, which was described by observing galaxies that shifted to more extended wavelengths.
In conclusion, the statements observed light shifts to a longer wavelength, indicating receding galaxies and the light source and observer moving farther apart are all issues that describe redshifts.
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How is the density of an object determined?
Density is the mass of an object divided by its volume. Density often has units of grams per cubic centimeter (g/cm3). Remember, grams is a mass and cubic centimeters is a volume (the same volume as 1 milliliter). from edinfomrmatics.
Explanation:
Heat
Assignment Active
Defining Heat
What is heat?
Heat is the energy needed to change the temperature of 1 g of a substance by 1°C.
Heat is the average kinetic energy of the particles of a substance.
Heat is the total energy of a substance due to the movement of its particles.
Heat is the energy that flows between two substances of different temperatures.
Answer:
umm what syour question?
Explanation:
Help! Will give brainly
Answer:d
Explanation:imright
What is needed for an idea to be scientifically reliable?
A.
B.
C.
D.
E.
What is the scientific method?
What are the steps of the scientific method?
What are variables in an experiment?
A Independent
B Dependent
C Control
What is the difference between science and pseudoscience?
What is a law?
What is a theory?
What is biology?
The premise behind reliability is that any noteworthy findings must be more than a one-time discovery and be intrinsically reproducible.
What is independent and dependent variables?An independent variable is a variable that is changed or manipulated in a scientific experiment to examine how it affects the dependent variable.
In a scientific experiment, the variable under test and being measured is known as the dependent variable.
The experiment must be carried out exactly as described, under the same circumstances, and with the same outcomes for other researchers to be able to replicate it.
Therefore, scientifically reliable idea is needed.
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A bird or fish if there is a loss or change in energy
birds and Fish need energy to maintain basic metabolic activities and to support growth, reproduction, activity, and health. Proteins, carbohydrates, and lipids (the macronutrients) provide this energy and also some essential nutrients.
What are the energy sources of fish and birds?Protein is a major energy source for all fish and birds, and it appears that blood glucose may derive more readily through gluconeogenesis than directly from dietary carbohydrates.
Whit this information we can conclude that Protein is used for fish growth if adequate levels of fats and carbohydrates (energy) are present in the diet. If not, the more expensive protein can be used for energy and life support rather than growth.
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1.
If you were to compare the nucleus to a part of your body, which of the following would be the best choice?
a. your eyes
b. your arms
c. your feet
d. your brain
Answer:
Brain...
Explanation:
8. In which ranges of pH will amylase cease to function?
Click or tap here to enter text.
The pH level of 4.5 to 7 was discovered to be where -amylase functions at its best. The activity of the enzyme is reduced when the pH of the enzyme solution is lowered below this range.
Nearly all animals have a significant amount of amylase in their pancreas. However, it is also present in many species' livers, salivary glands, and small bowel mucosa; the levels of amylase in these tissues vary greatly between species. The ideal pH for the interaction between starch and amylase is 7. The rate of reaction will be slowed down by PH levels that are high or low than this number. Between pH 3 and pH 11, amylase is active. The morphology of a site of the enzyme is impacted by PH variations, which has an impact on the enzyme's capacity to bond with its adsorbates. Amylase levels that are high in the blood or urine can indicate: Acute pancreatitis (sudden) - an obstruction in a pancreatic duct, a tiny tube either benign (non cancerous) tumor or pancreatic cancer.
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why is it important to classify living organisms?
the DNA of organisms may be more easily analyzed.
organisms may survive longer if they are classified.
scientists may study and discuss organisms more easily.
classifying is needed before scientists may make observations.
Answer:
scientists may study and discuss organisms more easily
Explanation:
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Which two statements explain why nitrogen is important to sustaining a
healthy ecosystem?
A. Nitrogen makes up many of the biomolecules that living things
need in order to function.
B. Plants can take up nitrogen from the air through their leaves.
C. Animals and plants need nitrogen in order to grow and reproduce.
D. Plants use nitrogen during photosynthesis to produce sugars.
SUBMIT
According to the research, the correct options are A and C. Nitrogen makes up many of the biomolecules that living things need and also, animals and plants need nitrogen in order to grow and reproduce.
What is Nitrogen?It is a gas that is the most abundant compound in the atmosphere of our planet, being vital for the existence of animals, plants and even human beings since nitrogen cannot be fixed from its gaseous form (N2).
In this sense, this element is an essential compound for the structure and functions of cells, and for all the reactions in it since it makes up amino acids, proteins, nucleic acids and DNA, being an important nutrient that all plants and humans require for proper growth.
Therefore, we can conclude that according to the research, the correct options are A and C. Nitrogen makes up many of the biomolecules that living things need and also, animals and plants need nitrogen in order to grow and reproduce.
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Answer: Nitrogen is a nutrient that plants need for healthy growth.
Nitrogen is part of many of the biomolecules that make up living things.
Explanation:
Which conclusion is best supported by Daniel’s observations and discoveries?
Star X is more luminous than both stars Y and Z.
Star X is more luminous than star Z, but not star Y.
Star Y is more luminous than star X.
Star Z is more luminous than star Y.
A conclusion which is best supported by Daniel’s observations and discoveries is that: A. star X is more luminous than both stars Y and Z.
What is a star?A star can be defined as a giant astronomical object that contains a luminous sphere of plasma and two (2) main hot gases (hydrogen and helium), and it is bounded together by its own gravitational force. Also, some examples of a star include the following;
Antares.Canopus.Betelgeus.Sun (closest to planet Earth).Vega.What is luminosity?Luminosity is sometimes referred to as brightness and it can be defined as an absolute measure of the total amount of light energy that is emitted by a celestial (astronomical) object such as a star, per unit time.
Based on the astronomical records and information, the luminosity and apparent brightness a celestial (astronomical) object such as a star is highly dependent on distance.
In this context, we can reasonably infer and logically deduce that star X is more luminous than both stars Y and Z because star X is farther away from planet Earth than the other stars Daniel observed while star Z is closest to planet Earth.
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Complete Question:
Daniel observed and compared some stars at night and recorded his observations in a chart. Daniel later discovered that star X is farther away from Earth than the other stars he observed, and star Z is closest to Earth.
Which conclusion is best supported by Daniel’s observations and discoveries?
A. Star X is more luminous than both stars Y and Z.
B. Star X is more luminous than star Z, but not star Y.
C. Star Y is more luminous than star X.
D. Star Z is more luminous than star Y.
