Start of Meiosis = 1 cell 1 pair of chromosomes
End of Meiosis 1 = 2 cells crossed over chromosome (combined genes 1 in each cell = 2)
End of Meiosis 2 = 4 cells, 1 chromatid in each (4)
I hope it helps!
The process in which an ovum is discharged from an ovary each month is called __________?.
Answer:
ovulation
need 20 characters
In the 1918 flu pandemic, why did more teenagers and young adults die than other
age groups?
1. They spiked high fevers that couldn't be controlled.
2. They didn't rest enough to heal properly.
3. Their bodies were healthier causing an immune system overreaction called a
cytokine storm.
4. They were more susceptible to getting the flu because they were the caretakers
of others who were infected.
Answer:
4
Explanation:
I believe it's four, scientifically speaking a young person most likely wouldn't die of infection because their immune systems can fight off the infection to some degree. But if the young person was the caretaker of someone who was/is infected, the younger person is more susceptible to getting an infection and dying because there is no one there to take care of them when they get infected.
Answer:
their bodies were healthier causing an immune system overreaction called a cytokine storm
hope this helps <3
A page is to a book as a ___________ is to the genome.
A page is to a book as a gene is to a genome.
What is the relation between a gene and a genome?
A gene is a fundamental unit of heredity and a DNA sequence that determines the production of a specific gene, which can be a RNA or protein.
However, the genome is the collection of or the total of all the DNA sequences in an organism.
Therefore, as a page which is a unit is to a book, so as the gene is to the genome.
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Grouping of objects help the shopkeeper, justify the statement.
When must personnel receive training to perform animal procedures?
The personnel must receive training to perform animal procedures before any procedures are performed on the animal.
What is animal care during experimentation?The animals used for research and experiments should be taken care of in. such a way that they can be replaced, reduced and refined.
According to the animal guide policy, any scientist that would use an animal for a research work would have to undergo a training before performing any procedures on the animal.
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X
-6
-1
0
3
y
-7
1
9
-2
What is the domain of the given function?
O {x|x = -6, -1, 0, 3}
(y ly=-7, -2, 1, 9}
{x|x=-7, -6, -2, -1, 0, 1, 3, 9}
(y ly=-7, -6, -2, -1, 0, 1, 3, 9}
1
Answer:
-1
Explanation:
(y ly=-7, -6, -2, -1, 0, 1, 3, 9}
1
Why are arthropodes the most diverse group
Arthropods are the most diverse group of living organisms because they have developed a better adaptation to different environments.
What are arthropods?Arthropods are invertebrate animals of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple jointed appendages.
Arthropods are represented in every habitat on Earth and show a wide variety of adaptations.
Therefore, Arthropods are the most diverse group of living organisms because they have developed a better adaptation to different environments.
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a protein that is found to a carbohydrate is called a __________
A protein that is bound to a carbohydrate is called a glycoprotein in this scenario.
What is a Glycoprotein?
This refers to a type of protein in which carbohydrate is covalently attached to it.
The presence of the glycan changes the properties of the protein such as the solubility etc.
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When there are a lot of molecules in one place it is considered an area of:
When there are a lot of molecules in one place it is considered an area of high concentration.
What is an area of high concentration?The degree of concentration of an area is defined in terms of the amount of solute molecules in that particular area.
A concentration can either be high, low or even. A high concentration is that which has more solute molecules while a low concentration is that which has less solute molecules.
Therefore, it can be said that when there are a lot of molecules in one place it is considered an area of high concentration.
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Which describes these molecules correctly
The correct description of the given molecule is C. Fatty Acid.
Why is this molecule a fatty acid?A typical fatty acid has a straight chain of carbon atoms. These atoms are then bonded with hydrogen atoms.
At the end of this line, there will be a -COOH bond and at the beginning, there is an H bond. This is what is depicted in the diagram so it must be a fatty acid molecule.
Options for this question include:
A. ribose
B. glucose
C. fatty acid
D. sucrose
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What are the oval shaped structures that can be found all over the slide.
The oval-shaped structures that can be found all over the slide are Nucleus.
What are a nucleus and its function?
The nucleus controls and holds the activities of the cell (e.g., growth and metabolism) and has the genes, and structures that include the hereditary data.
Nucleoli are miniature bodies often seen within the nucleus. The gel-like matrix in which the nuclear features are poised is the nucleoplasm.
Thus, oval-shaped structures that can be found all over the slide are Nucleus.
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What types of animals are prosimians?
Prosimians are a group of less-developed primates.
What are Prosimians?They are a group of primates with some less-developed features as compared to other primates.
The more developed primates are referred to as Simians and these include humans, apes, and monkeys.
Prosimians include both living and extinct animals such as the lemur, lorises, and galagos.
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Mr. jones science class is comparing three samples. Mr.jones divided his class up into four groups. Each group was given one of each of the samples to measure the mass. What would be the explanation why group 3's measurements were so different from the rest of the groups
It could be that group 3 was given a different sample entirely.
Mass measurementThe class was divided into 4 groups, whereas, only 3 samples were to be weighed and compared.
Thus, it could be that group 3 was given another sample that is entirely different from the other groups.
If group 3 was actually given one of the 3 samples, it means that they made a mistake during weighing.
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The measurement of the geographic distribution of species on the planet is referred to as
Answer:
Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area.
Answer:
Biogeography
Explanation:
Repair of coronary vessel is called:
The repair of the coronary vessel is called; Angioplasty
How do you repair a vessel?Coronary vessels or arteries are defined as the blood vessels that supply oxygen-rich blood to the heart muscle in order to keep it pumping.
Now when there is a damage to the coronary vessel, it is repaired by a procedure called Angioplasty. This procedure is used to open blocked coronary arteries caused by coronary artery disease.
Angioplasty restores blood flow to the heart muscle without open-heart surgery and can be done in an emergency setting such as a heart attack.
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What is the analine blue stained structure in the sample?
The analine blue stained structure in the sample is called; Extracellular tissue
What is the component of the biological structure?From online sources, the analine blue stained structure is a stringy mass beneath the intestinal epithelium that extends into the villi.
Now, Aniline blue binds to extracellular structures such as the fibers in the lamina propria which is the name of the connective tissue beneath the intestinal epithelium.
Finally, the analine blue stained structure is called Extracellular tissue.
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Which membranous structures conduct impulses through the sarcoplasm to stimulate the release of calcium?.
Answer:T-tubules
Explanation
The action potential invades T-tubules and causes the L-type calcium channels to open, which in turn causes ryanodine receptors (RyRs) in the SR to open and release calcium, which stimulates contraction.
what event occurs at the end of the germinal period?
The event that occurs at the end of the germinal period is the zygote being implanted in the uterus walls.
What is the germinal period?The germinal period is the phase ranging from fecundation to zygote implantation into the uterus.
This period (germinal phase) is characterized by the generation of a zygote from germinal cells.
In conclusion, the event that occurs at the end of the germinal period is the zygote being implanted in the uterus walls.
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Reviewing Meiosis:
1. How many cells are present and how many chromosomes are present in the cell at each stage?
start of Meiosis____
end of Meiosis 1_____
end of Meiosis 2____
1. How many cells are present and how many chromosomes are present in the cell at each stage?
start of Meiosis a parent cell that is diploid
end of Meiosis 1 when the chromosomes of each homologous pair arrive at opposing poles of the cell.
end of Meiosis 2 four haploid daughter cells
What is the benefit of using utility-scale solar for energy over using active solar energy for a home?
A. Homeowner can sell electricity for profit
B. Homeowner will have immediate cost savings.
C. Homeowner is not responsible for installation.
D. Homeowner will see if you were cost savings over time.
Answer:
I think the answer is choice D
Land heats and cools more than water because ________.
Land heats and cools more because it has a lower specific heat capacity that water.
To answer the question, we need to know what heat is
What is heat?This is the amount of thermal energy in a body
What is specific heat capacity?This is the amount of heat required to raise 1 kg of substance by 1 °C.
So, the greater the specific heat capacity, the greater he amount of heat required.
Since land which has a specific heat capacity of less than 1 J/g-°C and water which has a specific heat capacity of 4.2 J/g-°C, thus, land heats and cools more because it has a lower specific heat capacity that water.
So, land heats and cools more because it has a lower specific heat capacity that water.
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A DNA segment in a somatic cell undergoes the mutation shown;
ATTACC à ACTTACC
This represents a
______Mutation
Answer:
This represents a frameshift mutation.
Explanation:
The difference between the two sequences is that there is an extra base (C) in the second sequence. A frameshift mutation occurs when there is an insertion or deletion of a nitrogenous base into a DNA sequence.
Suppose that a person takes a fall while hiking and develops tetanus when the pathogen enters through an open wound in their arm. They do not spread the tetanus infection to anyone else. The tetanus infection is considered to be ______.
The tetanus infection is considered to be a Droplet infection.
What is Tetanus?
Tetanus is a neurological disease which is characterized by the occurrence of spasms in the muscle.
Tetanus can be caused if initial care does not take place after the wound occurs and therefore, it is very important to immediately take care of the wound.
To treat the wound tetanus immunoglobulin and tetanus toxoids are given to the person, however, it is necessary to give the two injections using different syringes and at different sites, because the immunoglobulin can cause neutralization fo the toxoid.
Thus, this could be the answer.
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04. Describe one way in which decay by microorganisms is useful.
Answer:
Decay by microorganisms helps in enriching the fertility of the soil....
Explanation:
Hope it Helps!!!
What two components are often found as part of an ezyme
Answer:
Apoenzyme and the co-factor are the two components of an enzyme.
Hope it helps!
take a subject or origins or a question you have and write a minimum of 500 words as a research project. Be sure to list all references and resources as part of your bibliography. Other information can be found at a library or other reference source.
To write a report on the origin of life first identify the different theories and then use reliable sources to explain these theories.
What are the theories of the origin of life?Life emerged as a result of chemical reactions that created complex structures.Life first emerged in clay that contained different chemical elements and simple substances.Organic compounds essential to life existed on ice that later melted.Life began in space.How to write a report?Look for credible articles, research reports, etc. that support and explain each of the theories.Using the information from the sources and your own words explain each of the theories, the evidence that proves it, and its flaws.Learn more about the report in:
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Scientists group organisms into kingdoms by looking at specific characteristics. Thermus aquaticus, shown below, is a specialized bacteria called a thermophile. Thermophiles are microorganisms that can live in bodies of water that are extremely hot, such as deep sea hydrothermal vents.
A microscopic image of thermus aquaticus.
Which characteristic most likely describes a mushroom but not Thermus aquaticus?
cell wall
eukaryotic
unicellular
prokaryotic
Eukaryotic is the characteristic most likely describes a mushroom but not Thermus aquaticus because it is a is prokaryotic organism.
What are eukaryotic organisms?Eukaryotic organisms are life forms that are characterized to have cell nuclei and membrane-bound organelles.
Eukaryotic organisms can be either unicellular or multicellular (e.g. plants and animals).
In conclusion, Eukaryotic is the characteristic most likely describes a mushroom but not the bacterium Thermus aquaticus.
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Question 14 of 20
You have two rocks made of the same material that are at the same
temperature. The first rock has three times the mass of the second rock. How
does the thermal energy of the two rocks compare?
A. The first rock has six times the thermal energy of the second rock.
B. The second rock has three times the thermal energy of the first
rock.
C. The second rock has one-third as much thermal energy as the first
rock.
D. The rocks have the same amount of thermal energy.
Answer:
The rocks have the same amount of thermal energy.
true or false? the leukocytes of the innate immune system are b cells, macrophages, and neutrophils.
The statement that leukocytes of the innate immune system are b cells, macrophages, and neutrophils is TRUE
What are the leukocytes of the innate immune system?The leukocytes of the innate immune system are mainly phagocytes, or phagocytic cells meaning “eating cell”, which describes what role phagocytes play in the immune response.
These phagocytes circulate the body, sort for potential threats such as bacteria and viruses, to engulf and destroy them.
Phagocytic cells of the innate immune system include the mast cells, B- cells, neutrophils and macrophages.
Therefore, the leukocytes of the innate immune system are b cells, macrophages, and neutrophils is TRUE
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how do the chromosomes contained in a gamete differ from the chromosomes contained in other normal human cells?
Gametes have 23 chromosomes, while other normal human cells have 46 chromosomes.
What is chromosome?
Chromosomes are threadlike structures made of protein and a single molecule of DNA that serve to carry the genomic information from cell to cell.
Difference between chromosomes in gamete and normal humanGametes have 23 chromosomes, while other normal human cells have 46 chromosomes.
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