Answer:
Flowering plants begin as seeds. These seeds store energy and food within them long enough to reach the right environment and germinate. Germination is the development of a plant, growing from a seed into a seedling. Seedlings are the second stage of a flowering plant's life. This is when their roots begin to form and photosynthesis can begin. Next comes the growth period. After the seedling is planted, it requires a lot of food and energy as more leaves begin to emerge. The next stage of a flowering plant's life is the flowering stage itself. This is when buds and flowers begin to sprout. It enters the reproductive stage and pollination begins, allowing more seeds to be sown.
Arrange the following events in the order in which they occurred.
Answer:
1→4→5→3→2
∙
Mitotic cell division starts with the condensing of chromosome accompanied by splitting of the centrosome and its movement towards the opposite poles.
∙
As the nuclear envelope and nucleolus disappear, spindle fibres arise from the centrosomes and start binding to the condensed chromosomes at the centromeres.
∙
The chromosomes bound by the spindle fibers are then arranged in the middle of the cell forming the equatorial metaphase plate.
∙
Next the centromere splits and the sister chromatids are pulled away towards the poles by the contraction of spindle fibres.
∙
Following this, a cleavage furrow starts to develop in the middle of the cell while the nuclear membrane starts to reappear around the separated chromatids.
∙
The condensed chromatids start thinning into chromatin fibre along with reappearance of the nucleolus and the cleavage furrow deepening further.
∙
Finally as the nuclear membrane becomes fully intact, the cleavage furrow deepens and split the cells from middle into two daughter cells.
what is the best definition for a Liger?
Answer:
The liger is a hybrid offspring of a male lion (Panthera leo) and a female tiger (Panthera tigris).
Explanation:
Which action is likely to cause air to enter the victim’s stomach (gastric inflation) during bag-mask ventilation?
The action that is likely to cause air to enter the victim’s stomach (gastric inflation) during bag-mask ventilation is ventilating the patient when is chest is not rising.
What is gastric inflation?Gastric inflation is the process in which air is been blown into the stomach of the patient which can be as a result of inflation of the lungs during lung or bag mask ventilation.
Therefore, The action that is likely to cause air to enter the victim’s stomach (gastric inflation) during bag-mask ventilation is ventilating the patient when is chest is not rising.
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diphtheria causing agent mode of Transmission, incubation period,symptoms and preventive measures and cure
answer it faster and faster
Answer:
vf
Explanation:
fg
Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.
What is the causing agent?This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.
How is it transmitted?This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.
What are the symptoms?Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.
How to prevent it or treat it?Antibiotics and antitoxins are often used, but the best is to prevent it through vaccination.
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Why do we see each moon phase
only about once a month?
Choose 1 answer:
A
It takes about 27 days for the
moon to rotate on its axis once.
B
It takes about 27 days for the
moon to orbit Earth once.
It takes about 27 days for the
moon to orbit the sun once.
Answer:
A
it takes about 27 days for moon to rotate on its axis
Ribosomal subunits are large complexes composed of numerous polypeptides and at least one rrna molecule. Which subunits include three rrna molecules?.
ou add a fluorescent antibody to a cell surface protein to a dish of cells. Looking at an individual cell under the microscope the entire surface of the cell is fluorescent. You then hit the cell with a brief pulse from a laser which bleaches out part of the fluorescence on the cell. Over time you notice that the entire surface of the cell becomes fluorescent again. What is the best explanation for this observation
The best explanation for this observation is that the proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.
What is an observation?It should be noted that observation means the active acquisition of information from a source.
In this case, the best explanation for this observation is that the proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.
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reviewing Meiosis:
Diagram the phases of meiosis using colored pencils to show the homozygous pairs.
a. the starting cell is 2n. how many chromosomes does it have?
b. hom many chromosomes will it have after Meiosis 1?
c. how many chromosomes will it have after Meiosis 2?
a. the starting cell is 2n. how many chromosomes does it have?
30 chromosomesb. hom many chromosomes will it have after Meiosis 1?
23 chromosomesc. how many chromosomes will it have after Meiosis 2?
15 chromosomes.animal viruses often have glycoprotein spikes on their capsids or envelopes. group of answer choices true false
According to the research, the statement is true, animal viruses often have glycoprotein spikes on their capsids or envelopes.
What are viruses?It is an obligate intracellular parasite, small in size, made up of nucleic acid and protein.
They have a layer or envelope of lipids and glycoproteins, which they obtain from the cell membrane of their host cells, and which is used to inject genetic material into the cell.
Therefore, we can conclude that according to the research, the statement is true, animal viruses often have glycoprotein spikes on their capsids or envelopes.
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How many ATP are generated from the E.T.C?
Thirty-four (34) ATP is generated from the electron transport chain.
The electron transport chainIt is one of the steps through which energy is extracted from glucose during respiration.
The first step is glycolysisThe second step is the citric acid cycleThe last step is the electron transport chainTwo molecules of ATP are generated from glycolysis, 2 are generated from the citric acid cycle, and 34 are generated from the electron transport chain.
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Decussation of pyramids refers to crossover of major motor tracts in the ________ region of the brain
The decussation of pyramids refers to crossover of major motor tracts in the medulla oblongata region of the brain.
What is medulla oblongata?The medulla oblongata is the bottom most part of the brain.
It serves as the point where the brain and spinal cord connect, making it a key conduit for nerve signals to and from the body.
It also helps control vital processes like your heartbeat, breathing and blood pressure.
Thus, the decussation of pyramids refers to crossover of major motor tracts in the medulla oblongata region of the brain.
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Only animals have prokartyotic cells:
True
False
Answer:
The answer is neither True nor False .Because:
The organisms which are prokaryotes(have prokaryotic cell) are only Kingdom Monera i.e Bacteria and blue green algae and all the remains i.e plants,animals,fungis,protists have eukaryotic cells.
What is the advantage of starting with the 4x objective before moving to the 10x and then the 40x objective?.
The advantage of starting with the 4x objective before moving to the 10x and then the 40x objective is that the lower power objective has a larger field of view and is easier to focus.
What are objective lens of a microscope?An objective lens of a microscope are those lens that are used to focus that sample on a slide and they are always the closest lens to the slides.
The four types of objective lens of a microscope include:
× 4 objective×10 objective×40 objective andoil immersionThe advantage of starting with the 4x objective before moving to the 10x and then the 40x objective is that the lower power objective has a larger field of view and is easier to focus.
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The diffusion of water across a selectively permeable membrane is
homeostasis
homeostasis
endocytosis
endocytosis
osmosis
osmosis
passive transport
Explain why genetic diversity is a good principle for secure development. Cite an example of lack of diversity that has had or can have a negative impact on security.
Answer:
Genetic diversity is a good principle for secure development because it is critical for a population to adapt to changing environments. It helps maintain the health of a population.
Explanation:
Genetic Diversity refers to the range of different inherited traits within a species. In a species with high genetic diversity, there would be many individuals with a wide variety of different traits.
Mutations are important to genetic diversity because it creates a new DNA sequence for a particular gene, creating a new allele. This is important because including alleles that are diverse may be valuable in resisting diseases, pests, and other stresses
Genetic diversity is a good principle for secure development because it ensures the chances of adaptation in living organisms with respect to changing environmental conditions.
What is Genetic diversity?Genetic diversity may be defined as the total number of genetic characteristics in the genetic makeup of a species. It serves as a way for populations to adapt to changing environments. It facilitates the survival of particular species.
A lack of diversity may have a negative impact on security. This can be understood by the example that if there were not many variables seen in the Darwin finches in the Galapagos islands, more birds feel the scarcity of food and due to this, they have died and become extinct from nature.
Therefore, with more genetic variation, it is more likely that some individuals in a population will possess variations of alleles that are suited for the environment.
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The reason that skin cells start to swell after soaking in water is that the cell membranes are
Can someone help me please and thxxx
Answer:
3) x = 3Explanation:
Using the Inscribed Angle Theorem:-
31x + 3 = 192/231x = 96 - 3x = 93/31 x = 3--------——–—---------
To answer this question
⇒ must consider what theorem to use
Theorem used:
⇒ Inscribed Angle
⇒ states that inscribed angles like ∠EFG are half the arc angle
In other words
[tex]31x+3=\frac{1}{2}*192\\\rm \hookrightarrow 3x+3=96\\\rm \hookrightarrow31x=93\\\rm \hookrightarrow x=3[/tex]
Answer: x = 3
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Help please help! Need help
Answer:
option c. 1 is correct.
*For detailed explanation refer to the attachment.
Help! I have already reed it and I cant figer it out.
Go to the following website. Prepare a short essay on the website describing the information provided and the purpose of this information.
https://www.genome.gov/About-Genomics/Introduction-to-Genomics
A short essay on the website describing the information provided and the purpose of this information about the genome is given Genomes are product of DNA, a very massive molecule that looks as if a lengthy, twisted ladder.
What does genome appearance like?If all of the DNA from a single human cell turned into stretched-out end-to-end, it'd make a six-foot-lengthy strand created from a six billion letter code. It’s difficult to assume how that a good deal DNA may be packed right into a cell nucleus, that's so small it could simplest be visible with a specialized microscope.
DNA is examined like a code. This code is made from 4 styles of chemical constructing blocks, adenine, thymine, cytosine, and guanine, abbreviated with the letters A, T, C, and G. The order of the letters on this code permits DNA to characteristic in exceptional ways. The code modifications barely from individual to individual to assist make you who you are.
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Compare the structure of the human liver with that of the fetal pig.
The comparison between the human liver and the fetal pigs liver is that the human liver has four lobes while the fetal pigs liver has five lobes.
What is the use of the human liver?
The difference between the human liver and the liver of the fetal pigs is that the human liver has four lobes namely right, left, caudate and quadrate. Meanwhile, the liver of the fetal pig has five lobes namely right lateral, right central, left central, left lateral, and caudate.
Thus, we can conclude that the comparison between the human liver and the fetal pigs liver is that the human liver has four lobes while the fetal pigs liver has five lobes.
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What type of blood vessel carries
oxygen-poor blood back to the
heart?
Answer:
veins
Explanation:
Veins carry oxygen-poor (deoxygenated) blood back to the heart, whereas arteries carry oxygen-rich blood away from the heart.
Explanation:
as blood travels through the body, oxygen is used upand the blood become oxygen poor. oxygen-poor blood returns from the body to the heart through Superior vena cava and inferior vena cava, the two main veins that Bring blood back to the heart. this is my answerName three industries in the North?
The __________cranial fossa ranges from the posterior edge of the lesser wings of the sphenoid bone (anteriorly) to the anterior region of the petrous part of the temporal bone (posteriorly). It houses the temporal lobes of the brain and the pituitary gland.
The middle cranial fossa ranges from the posterior edge of the lesser wings of the sphenoid bone (anteriorly) to the anterior region of the petrous part of the temporal bone (posteriorly). It houses the temporal lobes of the brain and the pituitary gland.
Where is the Pituitary gland located?Pituitary gland is located within the Mid-brain. It is an endocrine gland, about the size of a pea, that sits in a small, bony cavity at the base of the brain whose secretions control the other endocrine glands and influence growth, metabolism, and maturation.
It lies in the Sella turcica of the sphenoid bone (A compound bone at the base of the skull behind the eyes)
Thus, the middle is the answer.
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Organisms inherit specific traits and characteristics from their parents. albinism is an inherited disorder that occurs when an organism is unable to produce or distribute melanin. melanin is a substance in the body that helps determine skin color, hair color, and eye color.
Gene is the basic unit of heredity that carries the trait of albinism from parent to offspring.
What is Gene?This is referred to as the unit of hereditary and is usually transferred from the parent to offspring.
The albinism trait is therefore inherited by the offspring as a result of the gene which is the most appropriate choice.
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In order to determine the shape of human muscle cells, a scientist should:
A. observe a sample of the cells with an electron microscope
B. prepare a medium for making a culture of the cells
C. observe a sample of the cells with a light microscope
D. prepare a model of that type cell
observe a sample of the cells with a light microscope
Explanation:
.
What primary tissue type comprises the highlighted structure
The primary tissue type comprises the highlighted structure is nervous.
What is the tissue nervous?Nervous tissue is a communication tissue, capable of receiving, interpreting and responding to stimuli. Nerve tissue cells are highly specialized in processing information. Neurons transmit nerve impulses and glial cells collaborate with nerve impulses.
In this case, nerves are structures formed by bundles of nerve fibers, which are part of the peripheral nervous system and act ensuring communication between different parts of the body and the central nervous system.
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Which of the following correctly describes the relationship between thermal energy and
temperature?
Select one:
O a. Temperature is a measure of thermal energy
O b. Temperature and thermal energy are the same thing
Both conductors and insulators transfer thermal energy, but not electrical energy.
One of them does not transfer energy.
O d. Both conductors and insulators transfer electrical energy, but not thermal energy.
Which strategy is used to assess blood pressure, skin conductance, papillary dilations, and erectile responses?
The strategy used to assess blood pressure among other parameters is; Choice C; Psychophysiological techniques.
Which strategy is used to assess blood pressure, skin conductance, papillary dilations, and erectile responses?In a bid to assess blood pressure, papillary dilations and other parameters, Psychophysiological technuques characterized by the study of the relationship between physiological signals recorded from the body and brain to mental processes and disorders. These biological signals in discuss are often generated by organ activity or by muscle activity
Remark;
A. Cognitive-functional analysis
B. self-monitoring procedures
C. Psychophysiological techniques
D. SIgnal detection strategy
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Which event took place during the Copernican revolution, when most people started to believe in a heliocentric model of the solar system?
Aristotle developed his model of the solar system.
Copernicus rediscovered Aristarchus’s heliocentric model.
Kepler's laws of planetary motion.
Newton’s theories of gravity were dismissed and considered invalid.
Copernicus rediscovered Aristarchus's heliocentric model. Thus, option "B" is correct.
How, explain your answer?The event which took place during the Copernican revolution, when most people started to believe in the heliocentric model of the solar system was that Copernicus rediscovered Aristarchus’s heliocentric model.
Thus, option "B" is correct.
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what is potential energy
Answer:
The energy of a body or a system with respect to the position of the body or the arrangement of the particles of the system.
Explanation:
Energy is a delicate notion that is extremely difficult to master. Energy is sometimes described as the ability to accomplish labor, that is, to push anything against a force. That isn't completely correct, since due to the Second Law of Thermodynamics and the fact that much energy is merely mass, there is a lot of energy that isn't accessible to do any work. We're on somewhat better ground with potential energy. When we say there is potential energy, we mean that there is something in a system that, if permitted to alter, has the capacity to accomplish work. Saying that there is potential energy is a form of abbreviation. Consider gravitational potential energy. If two masses are separated by a distance, we might let them fall together and accomplish some work, perhaps by pulling a rope tied to a wheel or whatever. We have the energy to get there. Of course, it is a fraction of the overall energy in the system. When we get to notions like that, we must count a lot more. Nonetheless, some cosmological models require a type of negative gravitational potential energy to make total energy conservation work. According to such views, nearly all of the universe's mass condensed out of the vacuum to offset the negative energy associated with the inflationary epoch. As a result, the universe's total energy is zero. It is not the sole hypothesis, but it is useful in that it answers the issue of why there is something rather than nothing. It would imply that there is nothing completely, but it is unevenly dispersed. One of the two major forms of energy is potential energy. Potential energy is the amount of energy that an object can hold. It is the power that a thing has while it is not in motion. The potential energy of a moving item increases as it slows down. The object's capacity strength reduces as it accelerates. Potential energy is the electricity that occurs as a result of the relative locations (configurations) of the components in a physical machine. This energy form has the capacity to modify the state of other things around it, such as the configuration or movement. Potential energy encompasses a wide range of energy kinds.
