Answer:
13
Explanation:
Diploid = 2 sets of chromosomes
Haploid = 1 set of chrosomes
If two sets of chrosomes contain 26 chrosomes, one set will contain half of that number which is 13.
What's developed as a result of the electron transport chain?
Answer:
The electron transport chain (ETC) is a series of protein complexes located in the inner membrane of the mitochondria that transfer electrons from electron donors to electron acceptors via redox reactions. As a result of the ETC, a proton gradient is formed across the inner mitochondrial membrane, which drives ATP synthesis by the enzyme ATP synthase. The ATP produced through oxidative phosphorylation is the primary energy source for most cellular processes.
Explanation:
The electron transport chain (ETC) is the final step of aerobic cellular respiration and is where the majority of ATP is generated. As electrons move through the ETC, they release energy that is used to pump hydrogen ions across the inner mitochondrial membrane, creating an electrochemical gradient. This gradient powers ATP synthase, which generates ATP by adding a phosphate group to ADP. In summary, the electron transport chain results in the production of ATP, which is the primary source of energy for cellular processes.
Identify the least reactive metal in the third period
Give one reason why Mr. Anderson's heart rate changes between mile 2 and mile 3. Use the heart rate and elevation graphs as your resources.
HELP ASAP
Mr. Anderson's heart rate changes between mile 2 and mile 3 due to walking as a result of parasympathetic withdrawal.
What is heart rate?The number of heart contractions per minute, or heart rate, is a measure of how frequently the heart beats.
During exercising or in stressful, frightful, or thrilling situations, the sinus node sends a signal to the heart to beat more quickly. For instance, a brisk 10- to 15-minute walk usually causes the heart rate to increase to 110 to 120 beats per minute.
Thus, Mr. Anderson's heart rate increases between mile 2 and mile 3 due to walking.
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e.
A/An
star system is made of two stars.
A/An
star system is made of no more than a few thousand stars.
A/An
star system is made of more than a million stars.
Refraction occurs when the amplitude of a wave changes as it goes from one medium to another. yes or no?
Yes, it is true that when Refraction occurs the amplitude of the wave changes as it travels from one medium to the other.
Refraction is generally termed as bending of light ray when light travels from one medium to the other medium. Bending highly depends on whether the Medium may be dense or light.
Refraction may also be defined as the redirection or change of the direction of the wave that is passing from one medium to the other. It can be most commonly observed, for example, refraction in glasses, lenses etc.
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Describe the role that the photographer plays in taking a good photograph. List at least two things that photographers can do to take good photographs.
The role the photographer plays in taking a good photograph is that Photographers are professionals who tell stories via the use of images which they had capture with the use of their cameras.
Good photographer often express their personalities as well as their viewpoints in way of their art. They showcase their niches as well as their artistic ability with images or tools of fashion, studio jobs, travel, and others.
What are the two things that photographers can do to take good photographs ?Have a good Composition. Have a good Technique (such as Shutter Speed, etc.)How do you describe a good photograph?A good photographer is one who often taken Great Photos that has:
Compelling CompositionShow Emotion. Storytelling. Unique Moments, etc.Therefore, The role the photographer plays in taking a good photograph is that Photographers are professionals who tell stories via the use of images which they had capture with the use of their cameras.
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5.
is the process by which artificial means are used to protect an individual
from a specific disease.
Cowpox
b. Microbes
c. Vaccination
a.
Answer c..Vaccination
Explanation:
Which organisms have many cells that are grouped together into tissues?
A Prokaryotic
B Unicellular
C Bacterial
D Multicellular
Answer: A
Explanation:These organisms are made of prokaryotic cells — the smallest, simplest and most ancient cells. Organisms in the Eukarya domain are made of the more complex eukaryotic cells. These organisms, called eukaryotes, can be unicellular or multicellular and include animals, plants, fungi and protists
How are the studies performed on rainbow trout ( Oncorhynchus mykiss) and the moss Pleurozium schreberi and the desert shrub Atriplex lentiformis similar? Both studies are coupled to enzymatic activity. Both studies support the concept that species operate within a narrow optimum temperature range. Both studies support the concept that species operate within a narrow optimum temperature range and are coupled to enzymatic activity. Both studies examine the effects of microclimates and studies support the concept that species operate within a narrow optimum temperature range. Both studies examine the effects of microclimates.
Answer:
Both studies support the concept that species operate within a narrow optimum temperature range and are coupled to enzymatic activity.
Explanation:
The studies shown in the question above started from the same concept to establish the scientific experiment and had the same objective related to the investigation as temperature changes in the environment where these organisms live influences the enzymatic activity and, therefore, the functioning of their organism, being able to including modifying the environment around them. In summary, we can say that the studies sought to support the concept that species operate within a narrow range of optimal temperature and are coupled with enzymatic activity.
Which of the following statements could not be supported or rejected by a
scientific experiment?
A) The first living cell on Earth came from outer space
B) College students think football is more fun to watch than baseball.
C) Grass is green because it contains chlorophyll
Answer:
A
Explanation:
B can be supported with surveying people,
C can be supported by inspecting Grass under a microscope
Statement (A), The first living cell on earth came from outer space and was not supported or rejected by scientific experiments.
Scientific experiment:
Scientific experiments are performed by scientists to study various studies. The first statement that the first living cell on earth came from outer space was cannot be answered. Because according to some studies it was found that the first living organism came from the earth only.
Some studies found that the first living organism came outside earth. The first statement was not supported or rejected by scientists.
The second statement college students think football is more fun to watch than basketball was performed by using some surveys. The grass is green because it contains chlorophyll is also supported by scientists.
Therefore, statement (A) The first living cell on earth came from outer space and was not supported or rejected by scientific experiments.
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Aside from Earth's tilt, what other factor contributes to Earth's seasons?
A. the time of the day
B .the energy as heat from the moon C. the angle of the sun's rays and the number of hours of daylight
D. cold or warm air blowing from the oceans
C. The angle of the sun's rays and the number of hours of daylight.
The length of daylight hours and the angle at which the sun's rays hit the Earth's surface both have a big impact on the seasons. The Earth's axis is tilted in relation to its orbital plane as it revolves around the sun.
Because of this tilt, various areas of the Earth's surface get sunlight at varying angles throughout the year. When one hemisphere is inclined towards the sun, more direct sunlight falls there, resulting in longer daylight hours and higher temperatures, giving rise to summer.
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Describe the role of GA in a-amylase production and in germination. Provide evidence for your claim
Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species
In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.
Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.
Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.
It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.
Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.
Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.
Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.
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Why would small plants attach themselves to the sides of large trees high above the ground
Write a 500-word research report on a pathogenic bacterium that is not discussed in this unit (you may choose one from the table in the pathogenic bacteria section of the Eubacteria lesson). Include the history, the scientific name of the bacterium, vectors, symptoms, etc.
We can see here that in order to write a research report on a pathogenic bacterium, here is a guide:
Carry out research on the pathogenic bacterium both online and offline.Your research should actually contain an information in the introduction section which introduces the bacterium.Then you move to given background details.What is a research report?The findings of a study or investigation carried out by researchers are presented in a formal document known as a research report.
Remember to include the following in your report:
the history, the scientific name of the bacterium, vectors, symptoms, etc.In academic and scientific settings, research reports are frequently used to convey research findings to other academics, researchers, and industry professionals.
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How do skeletal muscles work? please hurry and im giving brainliest to answer with the most explanation :3
Answer:
Skeletal muscles provide movement to your body and are connected to your bones. They are voluntary, meaning you can control them.
According to cell theory, which are made of cells? Check all that apply.
Answer:
According to cell theory, all living organisms are made of cells. This includes:
Plants
Animals
Fungi
Protists (single-celled eukaryotic organisms)
Bacteria (single-celled prokaryotic organisms)
All of the above should be selected.
Some molecules are unable to enter cells by diffusion, and instead, must use active transport. How is diffusion different from active transport?
Answer: See Below
Explanation:
Diffusion is considered passive transport because it does not require energy to move molecules across the membrane. This is possible because of difference in concentration gradient. Molecules will flow from a higher concentration to a lower in order to make uniform concentrations, this is a natural process that does not require energy.
Active transport requires energy, typically in the form of ATP to transport molecules against a concentration gradient.
The only people with Rh negative blood are people who have inherited two recessive alleles for this trait. But some people who are colorblind have inherited only one recessive allele for this trait. Explain why these traits are different in terms of how many recessive alleles are needed to produce the recessive phenotype. Hint: Think about the above problem and sex chromosomes versus autosomes.
The difference is due to the inheritance pattern. Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one.
What are the blood type and Color-blindness inheritance patterns?
⇒ Blood type is coded by a diallelic Rh gene that expresses complete dominance.
The allele Rh+ dominates over the allele Rh-.
Genotyopes and Phenotypes are as follows,
Individuals Rh+Rh+ express the possitive phenotypeIndividuals Rh+Rh- express the possitive phenotype Individuals Rh-Rh- express the negative phenotype.To express Rh-, a person must inherit two recessive alleles from their parents.
⇒ Color-blindness is an X-linked condition coded by a recessive allele.
As most sex-linked genes, it is transmitted together with the X chromosome.
The phenotype depends on the number of recessive alleles and the sex of the person.
Genotyopes and Phenotypes are as follows,
X⁺X⁺ women have normal sight.X⁻X⁻ women are completely color-blinded X⁺X⁻ women are partially color-blinded. X⁺Y Men are not color-blinded X⁻Y Men are color blinded.In this case, only one recessive allele is enough to express the affection.
In conclusion, Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one recessive allele.
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What is the result of adding these two equations?
−
5
x
−
9
y
=
3
5
x
−
9
y
=
−
2
−5x−9y
5x−9y
=3
=−2
Answer:
\( - 18y = 1\)
y=-1/18
Cyanobacteria, once referred to as blue-green algae, has a fossil record that dates back nearly 3.5 billion years and is among the oldest fossils known. The cyanobacteria/ blue-green algae had cell walls and were photosynthetic. A few hundred years ago, this organism was classified as a plant, then as a protist. Today it is classified in the Eubacteria because it
A) is the ancestor of land plants.is the ancestor of land plants.
B) is photosynthetic.is photosynthetic.
C) has cellulose cell walls and chloroplasts.has cellulose cell walls and chloroplasts.
D) is known to be prokaryotic.
Cyanobacteria, once referred to as blue-green algae, has a fossil record that dates back nearly 3.5 billion years and is among the oldest fossils known. Today it is classified in the Eubacteria because it is known to be prokaryotic.. Option D is the answer.
Cyanobacteria and prokaryotesCyanobacteria are classified in the Eubacteria because they are prokaryotic organisms. Although they are photosynthetic and have cell walls, they are not classified as plants or protists because they lack many of the complex cellular structures and processes found in eukaryotic organisms. Instead, they are classified in the domain Bacteria, which includes all prokaryotic organisms.
Prokaryotes are unicellular microorganisms that lack a well-defined nucleus and other membrane-bound organelles. They are the simplest and most ancient form of life on Earth, and include the bacteria and archaea. Prokaryotic cells are typically smaller and simpler in structure than eukaryotic cells, which are found in plants, animals, fungi, and protists.
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which item would be most appropriate to measure on the triple beam balance in the gizmo
Answer:
ok, here is your answer
Explanation:
AI-generated answer
The triple beam balance is used to measure mass, which is the amount of matter in an object. Therefore, any item that needs to be measured in terms of its mass can be measured using the triple beam balance in the Gizmo. Some examples of items that can be measured using a triple beam balance are:
- Solids such as rocks, metals, and minerals
- Liquids such as water, oil, and alcohol
- Powders such as flour, sugar, and salt
To measure an item on the triple beam balance in the Gizmo, place the item on the pan and adjust the riders on the beams until the pointer is at zero. Then, move the riders along the beams to find the mass of the item. Make sure to read the mass from left to right, starting with the largest beam and moving to the smallest beam.
In summary, the most appropriate item to measure on the triple beam balance in the Gizmo is any item that needs to be measured in terms of its mass.
mark me as brainliestHow can genetic mutations increase the variation in a population over time?
Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles.
Explanation:
Need this asp
Nucleotides contain sugar, a phosphate group, and a nitrogen base. Which of the following is a nitrogen base? (1 point)
A. ribose
B. tyrosine
C. deoxyribose
D. guanine
Answer:
D
Explanation:
Guanine is a nitrogen base
which biomes likely has the thinnest layer of topsoil?
Answer:
the desert
Explanation:
what do you call the very fine particles that you formed after pounding the pieces of rocks with a hammer
Answer:
fine particles (silt and clay) are moved to areas of still water (off-shore settings). the majority of these particles are made up of clay minerals, which are weathering products of feldspars and ferro-magnesian minerals.
Answer:
You call them minerals
Explanation:
How does the number of chromosomes in an organism's reproductive cells compare to the number of chromosomes in the organism's body cells? A. The reproductive cells have the same number of chromosomes as the body cells. B. The reproductive cells have twice as many chromosomes as the body cells. C. The reproductive cells have four times as many chromosomes as the body cells. D. The reproductive cells have half as many chromosomes as the body cells.
Answer: D. The reproductive cells have half as many chromosomes as the body cells.
When the head is tilted, what are the structures the signal passes through on its way to becoming a fully processed neural signal within the brain?
When the head is tilted, the fluid within the_____of the inner ear moves. The exact location of stimulated cells depends on the plane of movement-with each plane being represented by a different part of that structure. The movement of fluid stimulates______which transduce the signal into an electrical signal. This signal travels through the_____nerve to the____nucleus of the_____.
Answer:
The fluid within the semicircular ducts of the inner ear, that is, endolymph moves when the head is tilted. The precise position of the stimulated cells relies upon the plane of movement with each vertical or horizontal plane being signified by distinct parts of its composition. The hair cells that transduce the signal into an electrical signal get stimulated due to the movement of fluid. The conduction of this signal takes place via the auditory nerve to the cochlear nucleus of the brainstem.
Within the inner ear cochlea, the stimulation of the hair cells or stereocilia takes place by endolymph, it is a fluid present in semicircular ducts. After stimulation, the hair cells mediate electric signals to the brain via the auditory nerve, these are the nerve bundles that carry signals of sound. The initial central auditory composition found in the brainstem is the Cochlea nucleus.
Answer:
the fluid within the -semicircular canals- of the inner ear moves. the movement of the fluid stimulates the -hair cells- which transduce the signal into an electric signal. This signal travels through the -vestibulocochlear nerve- to the vestibular nucleus of the -medulla oblongata-.
Explanation:
What did you include in your response? Check all that apply.
If organ systems do not work together, homeostasis is not maintained.
If homeostasis is not maintained, the right conditions for the cells of the body to work properly will not be met.
If the conditions are not right within the body, the cells do not work properly.
When the cells of the body do not work properly, the body itself does not work properly.
In my response, I included the following terms: organ systems, homeostasis, cells, and body. I explained that if organ systems do not work together, homeostasis is not maintained. This is important because homeostasis is the body's ability to maintain stable internal conditions despite changes in the external environment.
If homeostasis is not maintained, the right conditions for the cells of the body to work properly will not be met. This means that if the conditions are not right within the body, the cells do not work properly. When the cells of the body do not work properly, the body itself does not work properly.
This can lead to a variety of health problems and diseases. It is important to understand the interconnectedness of organ systems and the role of homeostasis in maintaining overall health and wellness. By working to maintain homeostasis and support the proper functioning of our cells, we can promote good health and prevent disease.
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The enzyme required to begin with the synthesis of mRna
Answer:
RNA polymerase II is the answer
Explanation:
mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template. This process requires nucleotide triphosphates as substrates and is catalyzed by the enzyme RNA polymerase II
Making RNA polymerase II correct
RNA polymerase II Being the answer
Explain how thermal energy is circulated in Earth's atmosphere. How does this energy impact the air molecules in the upper atmosphere? Use complete sentences in your response