Answer:
AA
Explanation:
Just like the ABO alleles, each biological parent donates one of their two alleles to their child. A mother who is Rh- can only pass an Rh- allele to her son or daughter. A father who is Rh+ could pass either an Rh+ or Rh- allele to his son or daughter. This couple could have Rh+ children (Rh- from mother and Rh+ from father) or Rh- children (Rh- from mother and Rh- from father).
Evaluate this statement. Is it correct? Pick the option that has the best argument for/against this claim
"Anaerobic respiration is only used when aerobic respiration is not an option."
Answer:
Explanation:
This statement is not entirely correct. While aerobic respiration is the most efficient way for cells to produce ATP (adenosine triphosphate), which is the energy currency of cells, anaerobic respiration can occur even when oxygen is available.
Anaerobic respiration, also known as fermentation, is less efficient and produces less ATP compared to aerobic respiration. However, it can occur in the absence of oxygen or in conditions where oxygen is not readily available, such as during high-intensity exercise when there is not enough oxygen to keep up with energy demand. Anaerobic respiration can also occur in certain microorganisms, such as some bacteria and yeast.
Therefore, a better statement would be "Anaerobic respiration is used when aerobic respiration cannot produce enough ATP to meet energy demand, or when oxygen is not available."
FILL IN THE BLANK. A typical somatic cell has all of the following parts except __________.A. a plasma membraneB. cytoplasmC. interstitial fluidD. a nucleus
A typical somatic cell has all of the following parts except interstitial fluid.
A typical somatic cell, also known as a body cell, has a plasma membrane, cytoplasm, and a nucleus. The plasma membrane is the outer boundary of the cell that separates it from the external environment. The cytoplasm is the gel-like substance that fills the cell and contains various organelles such as mitochondria, ribosomes, and the endoplasmic reticulum. The nucleus is the control center of the cell that contains the genetic material in the form of DNA. Interstitial fluid, on the other hand, is the fluid that surrounds cells in tissues but is not part of the cell itself.
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Give three differences between parenchyma and selerenchyma?
Answer:
Parenchyma cells have thin primary walls and usually remain alive after they become mature while Sclerenchyma cells have thick lignified secondary walls and often die when mature.
Parenchyma forms the "filler" tissue in the soft parts of plants while Sclerenchyma provides the main structural support to a plant.
Parenchyma cells are usually loosely packed with large intercellular space while Sclerenchyma cells has no intercellular spaces between the cells.
NEED FAST
List the six elements necessary
for life and give examples of
three molecules that contain
those elements.
Answer:
carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur (CHNOPS).
Explanation:
The six elements necessary for life and give examples of three molecules that contain those elements carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur.
What is carbon?Carbon is an element which is a chemical by nature and it is represented by C and the atomic number of carbon is 6.The atomic mass of carbon is 12.011 u and the carbon contain 2, 4 electrons per shell with the electronegativity of 2.55 .
The main function of carbon compounds to maintain earth's atmosphere and temperature and to supply energy that works as fuel for our economy.The atomic structure of carbon is designed in such way that it contain 6 electron, 6 protons, and 6 neutrons.
In chemistry mixture is a combination of two or more different chemical elements which are not chemically bond. A mixture is the physical combination of two or more elements in which their individual identities are retained and it also mixed by solutions, suspension and colloids.
Therefore, the six elements necessary for life and give examples of three molecules that contain those elements carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur.
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In blood smear preparations, blood is collected from which type of vessel?
A) veins
B) peripheral capillaries
C) arteries
D) lymphatic ducts
E) venules
Blood smear preparations are usually obtained by collecting blood from peripheral capillaries, which are small blood vessels located near the surface of the skin. Option B is correct.
Blood is a specialized bodily fluid that circulates throughout the cardiovascular system to provide oxygen and nutrients to the body's tissues and remove metabolic waste products.
Capillary blood is preferred for preparing blood smears because it is less likely to contain clots or tissue debris that can interfere with the quality of the preparation. In addition, collecting blood from capillaries is less invasive than collecting blood from larger vessels such as veins or arteries, which may require a needle stick or venipuncture.
Hence, B. Peripheral capillaries is the correct option.
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review carefully the structure of atp. in addition to being the energy currency for the cell, atp is a monomer for which macromolecule?
a Lipid
b DNA
c Protein
d Carbohydrate
e RNA
The monomer used to create RNA is ATP. ATP is the energy source for the cell in addition to having a specific structure.
How is ATP transformed into energy?Energy is released and ATP is changed into adenosine diphosphate once a phosphate group is taken out by breaking a high energy phosphate bond during a procedure known as hydrolysis (ADP). As with the removal of a phosphate from ADP to create adenosine monophosphate, energy is likewise released (AMP).
What is the cellular energy unit, ATP?The nucleoside triphosphate ATP is composed of adenine, ose, and triple serially bonded phosphate groups. As ATP supplies easily accessible energy in the cell, it is sometimes referred to because the "energetic currency" of the cell.
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Directions:. Use your responses to answer the following question.
14. How do the methods of speeding the rate of solution for dissolving a solid in a liquid
compare to the methods of speeding the rate of solution when dissolving a gas in a liquid?
When comparing the methods of speeding the rate of solution for dissolving a solid in a liquid to the methods of speeding the rate of the solution when dissolving gas in a liquid, there are some notable differences:
Surface area: In dissolving a solid, increasing the surface area of the solid can significantly speed up the rate of solution. However, in the case of a gas, since gases are already in a dispersed form, increasing the surface area is not applicable.
Pressure: Increasing the pressure generally does not have a significant impact on the rate of the solution when dissolving a solid in a liquid. However, when dissolving a gas in a liquid, increasing the pressure can significantly enhance the solubility of the gas.
Temperature: Increasing the temperature generally increases the rate of solution for both solids and gases in a liquid.
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Fluorescently labeled antibodies are widely used in research to "tag" a molecule of interest, such as an antigen (see figure below). Using an unlabeled "primary" antibody (black) to bind to the target, and a labeled "secondary" antibody that binds to the primary antibody (NOT the molecule of interest) greatly improves the
of the technique.
Using an unlabeled "primary" antibody (black) to bind to the target, and a labeled "secondary" antibody that binds to the primary antibody (NOT the molecule of interest) greatly improves the sensitivity of the technique.
What are Fluorescently labeled antibodies?Fluorescently labeled antibodies are antibodies that have been covalently attached to a fluorescent dye or fluorophore. Antibodies are proteins that are produced by the immune system in response to the presence of foreign molecules or antigens, such as viral or bacterial proteins.
The use of an unlabeled "primary" antibody to bind to the target and a labeled "secondary" antibody that binds to the primary antibody (not the molecule of interest) greatly improves the sensitivity of the technique.
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Fossil records indicate that between 80 million and 60 million years ago the structure of the horned dinosaur frequently underwent rapid changes separated by long periods of stability. This pattern of change best illustrates the concept of -
Answer:
punctuated equilibrium
Explanation:
The punctuated equilibrium theory is a model of evolution by bursts of speciation, which was proposed by the paleontologists Niles Eldredge and Stephen J. Gould (1972). The theory of punctuated equilibrium states that evolution is characterized by rapid changes followed by longer periods of stasis where little observable evolution seems to occur judging from the fossil record. The punctuated equilibrium theory does not propose that Darwin's evolutionary gradualism is wrong, but this theory suggests that important evolutionary changes occur in short periods of time that are linked to speciation events. In consequence, fossils record does not represent transitional forms because of their small population size compared to the observed in stasis periods.
Which of the following is a major advantage of nuclear power? A) Nuclear power doesn't product carbon dioxide. B) Nuclear power facilities are inexpensive to build. C) Nuclear energy produces a small volume of waste. A A and B A, B, and C O A and C
The major advantage of nuclear power is that it doesn't produce carbon dioxide (A) and produces a small volume of waste (C).
The major advantage of nuclear power is that it doesn't produce carbon dioxide. Therefore, the correct answer is A: Nuclear power doesn't produce carbon dioxide. Option B is incorrect because nuclear power facilities are actually very expensive to build. Option C is also incorrect because although nuclear energy produces a relatively small volume of waste, the waste is highly toxic and radioactive, making it difficult and expensive to dispose of safely.
A and C. The major advantage of nuclear power is that it doesn't produce carbon dioxide (A) and produces a small volume of waste (C).
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HELP PLEASEEE!!!
Identify the steps of the lytic cycle.
The pieces made in replication are
assembled to complete the new virus
particles.
The new viral nucleic acid and viral
proteins are replicated.
The virus attaches to the host cell.
The original virus releases a protein that
causes the cell wall to burst (lysis), killing
the cell and releasing viruses.
The host's DNA is disassembled and the
virus takes over the call's motoholi
Answer:
Explanation:
During the lytic cycle, bacteria takes over the cell, reproduces new phages, and destroys the cell. It works in 5 phases
1. The virus or phage attaches itself to the cell
2. The phage enters the cell
3. Biosynthesis- Phage DNA replicates and makes phage proteins
4. New phage cells assemble
5. The cell lyses emerge with a new plague
Answer:
TRUST ME!
Explanation:
C
B
E
D
A
the wet bulb temperature is 10 C the Dry bulb temperature is 14 C what is the relative humidity?
The relative humidity is approximately 22.9% based on the given wet bulb temperature of 10°C and dry bulb temperature of 14°C.
Relative humidityWet bulb temperature: 10°C = 50°F
Dry bulb temperature: 14°C = 57.2°F
SVP at wet bulb temperature: 0.284 * \(e^(17.27 * 10 / (10 + 237.3))\)= 0.284 * \(e^(-7.09)\) = 0.284 * 0.000828 = 0.0002356 psi
SVP at dry bulb temperature: 0.284 *\(e^(17.27 * 14 / (14 + 237.3))\) = 0.284 * e^(-5.97) = 0.284 * 0.002562 = 0.0007296 psi
AVP = 0.0002356 - (0.00066 * (57.2 - 50) * 14.7) = 0.0002356 - (0.00066 * 7.2 * 14.7) = 0.0002356 - 0.0686 = 0.000167 psi
RH = (AVP / SVP at dry bulb temperature) * 100
RH = (0.000167 / 0.0007296) * 100 = 0.229 * 100 = 22.9%
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write one clear sentence using all the words in the set that demonstrates your understanding of their relationship here are the words . Spindle, Microtubules, Centrosome and centriole?
Answer:
Microtubules have shapes like a spindle and are arranged to form centrosome and a cluster of such microtubules form centriole.
Explanation:
Microtubules are seen in eukaryotic cells to give shape and structure to the cells and they form part of the cytoskeleton. They are known to grow long and are dynamic. Centrosomes are known to be main microtubule that are found in animal cells. They are organelles that are made from the arrangement of clusters of microtubules. The centrioles are organized microtubules that actually help to serve as skeletal system of the cell. These centrioles help to determine the locations of the nucleus.
explain how a pneumothorax has precipitated respiratory failure, using the effects on lung function and gas exchange in your answer. include the criteria for respiratory failure.
The hypoxemia , hypercapnia and decreased serum pH is responsible for respiratory failure in case of pneumothorax.
The respiratory failure occur only when partial pressure of PO₂ is less than 50 mm Hg or hypoxemia. It can also be marked when PCO₂ is >50 mm Hg or hypercapnia condition and decreased serum pH below 7.3.
With each exhalation, more and more air becomes trapped in the pleural cavity, compromising the unaffected lung and ultimately leading to the failure of both lungs. This condition is known as pneumothorax.
Hence, respiratory failure occur due to decreased partial pressure of oxygen.
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what is the biological role of hemoglobin? (giving brainly for a well structured explanation)
Answer:
Hemoglobin is essential for transferring oxygen in your blood from the lungs to the tissues. Myoglobin, in muscle cells, accepts, stores, transports and releases oxygen.
Explanation:
hope this help:)
Answer:
the answer is b I got a 100
Think back about your experience in this lab using a dichotomous key. What might make it hard for someone to use a dichotomous key? Make a list of possible reasons.
Answer: why it is hard to use dichotomous key in the lab are;
If the organisms you want to use it for are similar.
If you can't see the little characteristics posses by the organisms you are using it for.
If all the pictures does not reveal all the important features of the organisms.
It is very difficult to use it to determine the anatomical structure.
Explanation:
Dichotomous key is an important method that is use in biology to identify organisms by separating or dividing the organisms into two groups. It is a tool created by scientists to help them identify organisms or objects. Once the organisms are group into two, more information is revealed more individually.
Answer:
The person who commented before me was correct. They should get brainliest. Below is the same thing they wrote just in paragraph form.
If the organisms you want to use it for are similar. If you can't see the little characteristics posses by the organisms you are using it for. If all the pictures does not reveal all the important features of the organisms. It is very difficult to use it to determine the anatomical structure.
Secondary succession occurs when
only vegetation is present
only soil is present
only bare rock is present
light is absent
a nation splits into three; the red part, the blue part and Texas

During anaphase B, microtubules slide past each other pulling the poles anchored to them away from the center of the cell. At the same time, chromosomes are also pulled apart because ______.
During anaphase B, microtubules slide past each other pulling the poles anchored to them away from the center of the cell. At the same time, chromosomes are also pulled apart because kinetochore microtubules shorten, while polar microtubules elongate and slide past each other.
During anaphase, the proteins that hold the sister chromatids together break down, allowing the chromatids to separate at the centromeres. The result is the movement of the chromatids to opposite poles of the cell.The kinetochore microtubules are responsible for the separation of chromosomes during mitosis. In anaphase, the kinetochore microtubules attached to the chromosomes start shortening and, consequently, the chromosomes are pulled to opposite poles of the cell.
The microtubules of the spindle apparatus play a crucial role in the separation of the chromosomes during anaphase B of mitosis. The two kinds of microtubules that make up the spindle, polar and kinetochore microtubules, work together to ensure that the chromosomes are correctly separated.
The process of cell division during anaphase B of mitosis is important because it ensures that each daughter cell gets an identical copy of the genetic material to the parent cell.
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Which of the following is NOT part of a liver cell's response to epinephrine?
a. cAMP activates Protein kinase A
b. The epinephrine receptor phosphorylates GDP
c. G-alpha activates Adenylate (adenylyl) cyclase
d. Glycogen is phosphorylated
The correct answer about the part of a liver cell that does not respond to epinephrine is:
b. The epinephrine receptor phosphorylates GDP
In a liver cell's response to epinephrine, the epinephrine receptor does not directly phosphorylate GDP. However, the other options listed are all part of a liver cell's response to epinephrine:
a. cAMP activates Protein kinase A: Epinephrine binds to its receptor, leading to the activation of G-alpha subunit and subsequent activation of Adenylate cyclase. Adenylate cyclase produces cAMP, which then activates Protein kinase A.
c. G-alpha activates Adenylate (adenylyl) cyclase: When epinephrine binds to its receptor, it causes the activation of G-alpha subunit, which in turn activates Adenylate cyclase.
d. Glycogen is phosphorylated: In response to epinephrine, glycogen phosphorylase is activated, leading to the phosphorylation and breakdown of glycogen into glucose.
Therefore, option b is the one that is NOT part of a liver cell's response to epinephrine.
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In which situation would an egg shrink? *
A. 95% water in beaker, 90% water in egg
B. 92% water in beaker, 99% water in egg
C. 91% water in beaker, 80% water in egg
D. 93% water in beaker, 93% water in egg
Answer:
B.
Explanation:
assuming the egg doesn't have a shell, only a membrane, the water inside of the egg would diffuse outside via osmosis to the lower concentration of water. hope this helps
92% water in beaker, 99% water in egg in this situation egg will shrink.
What is osmosis?Osmosis is the Latinized version of the now-outdated word osmose. Osmotic, which means "pertaining to or of the character of osmosis," is a derived word. Osmotic pressure, for example, is a pressure that results from or is associated with osmosis.
As a rule, water molecules flow downward, from an area with a high concentration of water (or fewer solutes) to one with a low concentration (or greater solutes). Osmosis cannot be used if there is no net water flow. A semipermeable membrane should be included for movement.
Water molecules require channel proteins to move down their concentration gradient because they are polar molecules. These channel proteins create a hydrophilic channel for water to pass through that is embedded in the cell membrane.
Therefore, 92% water in beaker, 99% water in egg in this situation egg will shrink.
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What are the reproductive structures and main characteristic of angiosperms?
a) leaves
b) flowers
c) seeds
d) roots
Answer:
flowers
Explanation:
Although there is a tremendous variation among flowers, the reproductive parts are similar.
The reproductive structures and main characteristic of angiosperms are flowers. The correct option is b.
What are angiosperms?Angiosperms are called flowering plants. Angiosperms are plants that blossom and produce fruits that contain their seeds. With around 300,000 species, they are the most numerous and diverse group within the kingdom Plantae.
Gymnosperms are woody trees that resemble cones. They only produce seeds instead of flowers or fruits. The absence of the fruit wall leaves the seeds exposed. Gymnosperms generate unadorned seeds (a seed not enclosed in an ovary).
The reproductive organs in angiosperms are the blooms, which can be unisexual or bisexual. A triploid (3n) endosperm and a diploid (2n) zygote are produced by multiple fertilization in angiosperms.
Therefore, the correct option is b) flowers.
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Which is the lower energy-state molecule?
A. ATP
B. ADP
C. NADPH
Answer:
I think it's gonna be ADP
5. What was the most important advantage the North had during the Civil War?
A.It had more human resources and war material.
B.It unified popular support for the war effort
C. It had superior military leadership.
D.It had economic aid from Great Britain and France.
ecology
Define the term metapopulation. (a) what are the factors that characterize metapopulations, and what conditons need to be satisfied in order for metapopulations to persist? be thorough in answering
Metapopulation is defined as a group of geographically distributed subpopulations, connected by intermittent migration and dispersion. They are characterized by migration, local extinction, and recolonization.
The factors that characterize metapopulations include the following:
The size of the subpopulations: The size of each subpopulation can be different. They can range from a few individuals to thousands.
The connectivity of the subpopulations: The subpopulations in a metapopulation can be connected by dispersal or migration.
The dynamics of local extinction: In metapopulations, the extinction of a local subpopulation can occur due to various environmental factors. This factor creates a vacant patch that can be recolonized by the dispersing individuals.
The dynamics of colonization: The colonization of vacant patches can occur by individuals from a neighboring subpopulation through migration, and this is a dynamic that characterizes metapopulations.
The conditions that need to be satisfied for metapopulations to persist are:
The subpopulations in a metapopulation must remain connected through the migration of individuals, and the rate of immigration must be greater than the rate of local extinction.
The extinction of a local subpopulation must not occur too frequently because it can lead to the extinction of the entire metapopulation if the rate of extinction is too high.
The size of each subpopulation must be large enough to avoid the effects of genetic drift and other factors that can increase the rate of extinction of a subpopulation.
Overall, metapopulation persistence requires the maintenance of a balance between the rate of extinction and recolonization. In addition, the size and connectivity of subpopulations must be carefully maintained to ensure the persistence of the metapopulation.
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What can stimulate cell regulators to increase cell reproduction?
elongation
fragmentation
hormones
isogametes
hormones can stimulate cell regulators to increase cell reproduction. Thus option C is correct.
what are the role of hormones in reproduction ?Hormones are the chemical messengers produced by the endocrine cells and it move through the blood, act on target cells.
The two most important reproductive hormones are estrogen in female and testosterone in male.
Estrogen induce the eggs development and maturation process in adult female and released during regular intervals of menstrual cycle.
Testosterone in male responsible for male gamete production.
Other hormones involved, such as Follicle stimulating hormone (FSH), Luteinising hormone (LH).
Thus option C is correct.
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According to a study conducted in 2018 it was found that only 1 % of the population are blood type AB- Negative. If 180 people are chosen at random, what is the probability that a.) Can you approximate this binomial distribution using a normal distrbution?Why or why not? O No, not safe to approximate normally O Yes, safe to approximate normally. Reason: b.) What is the probability that 6 or more will have blood type AB-Negative? c.) What is the probability that between 6 and -2 will have blood type AB-Negative?
It is safe to approximate this binomial distribution using a normal distribution. The probability that 6 or more will have blood type AB-Negative is 0.0008. The probability that between 6 and -2 will have blood type AB-Negative is -0.0102.
According to the study, it was found that only 1% of the population are blood type AB- Negative. And 180 people are chosen at random, we need to find out the probability of the given condition.
a. As the given sample size is n=180, which is quite larger than 30 and the probability of success is p=1%, which is greater than 0.05, so it is safe to approximate this binomial distribution using a normal distribution.
b. The probability of having AB-Negative blood type in the population is 1%, thus the probability of a person not having AB-negative blood type is 1-1%=0.99.
Probability of 6 or more people have blood type AB-negative
P(X ≥ 6) = 1 - P(X < 6)
Calculating z-score = (5.5-1.8)/1.145 = 3.13
P(X < 6) = P(Z < 3.13)
P(X ≥ 6) = 1 - P(Z < 3.13)
P(X ≥ 6) = 1 - 0.9992 = 0.0008
The probability that 6 or more will have blood type AB-Negative is 0.0008.
c. We can calculate this probability by calculating two separate probabilities and then finding the difference between them. P(X ≤ -3) and P(X ≤ 6)P(X ≤ -3) is the same as P(X < -2), which is not listed in our binomial probability table. In order to calculate this probability, we need to use the normal distribution. To use the normal distribution, we need to calculate the z-scores and then use the z-table. For this value, the z-score is -2.29, which has a probability of 0.011.
The value for P(X ≤ 6) can be found in the binomial table: 0.0008
Therefore, P(-2 < X < 6) = P(X ≤ 6) - P(X ≤ -3)= 0.0008 - 0.011 = -0.0102
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1. Based on the model of Earth orbiting the Sun, what can you guess will happen next year? Earth will orbit the sun in the other direction b. Earth will stop orbiting the sun Earth will continue to orbit the sun а. C Earth will continue to orbit to the sun
Based on the laws of physics, we can confidently say that Earth will continue to orbit the Sun in the same direction as it has been doing for millions of years.
The gravitational force of the Sun keeps the Earth in its elliptical orbit, with the Earth completing one full orbit around the Sun in approximately 365.25 days. This annual cycle is the basis of our calendar year, and we can predict with a high degree of accuracy when certain astronomical events, such as equinoxes and solstices, will occur. However, it's worth noting that Earth's orbit is not perfectly circular, so the distance between Earth and the Sun can vary slightly throughout the year. This variation is responsible for the change in seasons and other natural phenomena that we observe on Earth. Overall, we can say that Earth's orbit around the Sun is a stable and predictable phenomenon that plays a crucial role in shaping our planet and its environment.
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What type of rocks are stalactites and stalagmites and how do they form? explain
If the specimen is living, then cells ______
be present when the specimen is viewed through a microscope.
If the specimen is living, then cells would be present when the specimen is viewed through a microscope.
What is a microscope?A microscope can be defined as an optical device that is typically designed and developed to produce an enlarged (magnified) image of a minute (very small) object, in order to show all the littlest and tiniest details about the object which cannot be seen by the natural human eye.
This ultimately implies that, a microscope is generally used for viewing specimens of organisms and other non-living organisms.
In this context, cells would be observed to be present whenever a living specimen of an organism is viewed through a microscope because there are the smallest and fundamental unit of life.
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10 acciones para la planificación de actividades que reduzcan la contaminacion y emicion de gases de efecto invernadero ademas contemplar la prevención de los posibles riesgos que se presentan al implementarla en una construccion de un puente
es para hoy
Answer:
hsaaakaoaoaoskssmsmznznzzksks
Explanation:
bshsjsjzjz zzsjjaoaqooqnwnsnznz bNjajaggjkj