In exchange of useful chemicals between organisms and their abiotic environment is an example of what
Answer:
Carbon Cycle
Explanation:
Evolution acts upon the ____________ of an organism
3. A child has brown hair and brown eyes. His
father has brown hair and blue eyes. His mother
has red hair and brown eyes. The best explana-
tion for the child having brown hair and brown
eyes is that
(1) a gene mutation occurred that resulted in
brown hair and brown eyes
gene expression must change in each genera-
tion so evolution can occur
(3) the child received genetic information from
each parent
(4) cells from his mother's eyes were present in
the fertilized egg
7.
Answer:
25%
Explanation:
Parent 2's phenotype is dominant in the first trait, recessive in the second trait, and dominant in the third trait. Parent 2 is predicted to have 1664 children, or 25% of them, with the same trait. AabbCC and AabbCc are their genotypes.
Materials and proteins are transported through the cells by the:.
Answer:
The Endoplasmic R. (ER)
Explanation:
They are the maze looking part in the cell that has two parts, the rough and the smooth ER.
Some breeds of beef cattle have two color options, red and black, where the black version of the gene (B) is dominant over the red version (b).
A chromosomes
B alleles
C proteins
Informed consent is an important outcome of what principle?.
Answer:
The principle of autonomy
The answer is the principle of autonomy.
What does the principle of autonomy mean?In medical practice, autonomy is usually expressed as the right of competent adults to make informed decisions about their own medical care. The principle underlies the requirement to seek the consent or informed agreement of the patient before any investigation or treatment takes place.
What are the four principles of autonomy?The four principles of Beauchamp and Childress - autonomy, non-maleficence, beneficence and justice - have been extremely influential in the field of medical ethics, and are fundamental for understanding the current approach to ethical assessment in health care.
Autonomy definitionThe definition of autonomy is independence in one's thoughts or actions. A young adult from a strict household who is now living on her own for the first time is an example of someone experiencing autonomy.
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PLEASE HELP ASAP!
Show how the length of day changes with latitude by plotting the following points. Use the table below as a graph and place an X in the box where you want to plot a data point. For example, if you find that a day is 10 hours long at 30° N latitude, represent this data with an X in the box where 10 hours meets 30 degrees. (You may use a graphing program like Excel if you prefer.)
(on the grap the numbers going down on both sides are from, 24-0, at the bottom of both graphs it says, Latitude (in degrees) with the numbers, (0), (15), (30), (60),(75),(90)
Please don't answer unless you have the FULL answer, do not answer just to answer, unless you actually know the answer.
The number of daylight hours varies according to a site's latitudinal location and the day of the week or season.
How does the length of the day fluctuate throughout the year?Due to the sphericity of the Earth and its inclination with respect to the Sun, the length of the day or the number of daylight hours depends on the time of year and the latitude of a location.
At latitudes 90°N and 90°S, which are the locations closest to the poles, this fluctuation is particularly pronounced. For instance, the fluctuation of the hours of the day would be as follows in the latitudinal zone of 70°N:
Equinox of spring There is roughly 13.8 hours of daylight each day.
24 hours of light every day on the summer solstice.
12.4 hours of daylight every day during the autumnal equinox.
Zero hours of light each day on the winter solstice.
This variance happens because the Earth revolves around the sun, and the high latitudinal regions occasionally aren't exposed to the sun's rays.
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Which of the items shown in the diagram con- tribute to the nitrogen cycle by releasing AND absorbing nitrogen?
The trees and the grazing cows
Butterflies laying their eggs on milkweed plants occurs at what level of the biosphere hierarchy? a. ecosystem b. biome c. population d. community please select the best answer from the choices provided a b c d
Butterflies laying their eggs on milkweed plants occurs at community level of the biosphere hierarchy. So, the correct option is (D).
What is Community?Community is defined as a biological community in which groups of different species interact in a common space. For example, a forest of trees and undergrowth plants, in which animals live and are rooted in soil containing bacteria and fungi, constitutes a biotic community.
It is defined as a group of interacting organisms that may or may not be of the same species as long as they share a common habitat where they interact with each other through symbiotic relationships , eg. mutualism, parasitism, commensalism, or competition.
Thus, butterflies laying their eggs on milkweed plants occurs at community level of the biosphere hierarchy. So, the correct option is (D).
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The principle of independent assortment involves at least how many different gene pairs?.
Independent assortment occurs spontaneously when alleles of at least two genes are assorted independently into gametes.
Jayden is researching the Earth's
plates. How would he describe the
relationship between the Earth's plates
and soil and rocks?
Answer:
Geologists have hypothesized that the movement of tectonic plates is related to convection currents in the earth's mantle. Convection currents describe the rising, spread, and sinking of gas, liquid, or molten material caused by the application of heat.
The Earth's plates have a crucial relationship with soil and rocks. This connection is characterized by the plates' movement influencing the formation, distribution, and composition of soil and rocks across the planet.
The asthenosphere, which is semi-fluid beneath them, is separated into many tectonic plates that make up the Earth's lithosphere. Convective currents in the mantle cause these plates to move constantly. Processes like subduction, in which one plate falls beneath another, and rifting, in which plates move apart, are fueled by this movement. Mountains, valleys, and oceanic basins are all the result of these dynamic processes, which have a significant impact on the surface of the Earth.
Through volcanic activity and metamorphism, interactions between the plates also aid in the production of different types of rocks. Therefore, the distribution and makeup of soils and rocks on our globe are significantly shaped by plate movement, which also has an impact on landscapes, ecosystems, and geological characteristics.
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How long it will take for one full base pair mutation to occur
Answer: about 22.5 million years.
What factors keep populations from reaching their carrying capacity?
According to the survival training expert in is survival selfish?. What is the reason that some people do not survive life-threatening situations?
They lose their ability to think clearly.life thretening situation is also a highstress situation, stress can disrupt synapse regulation, resulting in the loss of sociability and the avoidance of interactions with others or anything in general.
Do you think survival requires selfishness?Especially if the case is one in which other people are also trying to survive yes.
Some would not nescessarily call it selfishness, it would be more of an act that you have to, I see it kind of like self defense. It is not completely selfish, but a human has the instincts and knowledge to always survive, sometimes at the cost of being called "selfish"
Thus, the loss of sociability and the avoidance of interactions with others or anything in general.
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Reducing, reusing, and recycling are used to make more ores. increase metal production. burn fossil fuels. conserve resources.
Answer:b
Explanation:
b
Answer:
it’s b
Explanation:
it’s just b
The similarities of the bones labeled A provide
evidence that
1) the organisms may have evolved from a common
ancestor
2)all species have one kind of bone structure
3) the cells of the bones contain the same type of
mutations
4)all structural characteristics are the same in
animals
The similarity in the bones labeled A gives the evidence that:
1) The organism may have evolved from a common ancestor.
The organs with the same fundamental structure but different functions are called homologous organs. Such organs are a result of evolution into different species from a common ancestor.
*
Figure 1. Pedigree Key
Key
Unaffected male
OUnaffected female
Figure 2. Family A
1a 2a
3a
4a 5a
O
8a 9a 10a
PART A
Figure 3. Family B
O
1b 2b
TO
3b 4b
5b 6b
DO
6a 7a
7b 8b 9b 10b 11b 12b 13b
11a
12a 13a 14a
14b 15b 16b
АДА
Identify an individual who has high bone density
because of an error in DNA replication.
Affected male
Affected female
Type your answer here
029
*个
Answer:
family A
Explanation:
it's because more people are affected so it means that they will have a high bone density in error of DNA replication because more people are sick to much
Answer:
A
Explanation:
more people are affected so it means that they will have a high bone density in error of DNA replication because more people are sick to much
Identify the viral structure described.
have a capsid that has polyhedral and helical characteristics, and may have extra structures like protein tails. Bacteriophages are examples.
have an outer lipid bilayer known as a viral envelope, which is studded with proteins. Influenza and HIV are examples.
have many triangular faces. Most have 20 triangular faces and 12 corners. Polio and the papilloma virus are examples.
have long narrow capsids shaped liked cylinders. Rabies and ebola are examples.
1. Complex viruses
2. Enveloped viruses
3. Polyhedral viruses
4. Helical viruses
What is virus structure?Viruses are infectious particles comprising of two components:
An outer structural component called the Capsid.
The inner genetic material made of single stranded or double stranded RNA (Ribonucleic Acid) or DNA (Deoxyribonucelic Acid).
The Capsid structure is made up of glycoproteins.
These glycoproteins are encoded by genes present in the viral genome.
The viruses are incapable of reproducing on its own.
They infect the host cells and hijack their metabolic machinery which includes the protein-synthesizing machinery and also utilize the raw materials of the host cells to produce the progeny virions which are then released out the host cells.
The capsid structure is responsible for packaging the viral genome and protecting it from various degrading agents present in the external environment like nucleases.
Thus, this could be the answer.
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Does the volume increase with trial number, decrease with trial number, or stay about
the same? Explain why you think the results are the way there are. There are many
possible reasons for the data trend you see. Give some that you think are reasonable
Answer:
Hi. You have not informed the experiment that this question relates to, making it difficult to respond to your query. However, I looked up your query on the internet and found one similar to yours that included an experiment that measured the volume of balloons inflated by people's breath.
The volume of the balloons remains constant throughout the number of tests, according to the results of the experiment. This is due to the fact that when we blow, our lungs prefer to express the same amount of air as when we breathe in regular settings. This is most likely due to the fact that all of the balloons were filled with air when the participants were in the same physical and mental condition, i.e., calm and still, causing the volume of air they breathed and emitted to remain constant. If the individuals in the experiment were exerting some physical effort or were stressed and concerned, the amount of air would be different.
A cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. Purple offspring result due to incomplete dominance. Then, two of the purple offspring are crossed. What proportion of the offspring from the second cross will be purple?.
Answer:
2/4 OR 1/2 OR 50%
Explanation:
I JUST TOOK THE TEST
The final phase of an ecosystem after
completing repair from a disturbance is
referred to as a
community.
A. biodiversity
B. autotrophic
C. climax
Answer:
c
Explanation:
Succession. The final phase of an ecosystem after completing repair from a disturbance is referred to as a community is a Climax. This is the type of succession that occurs when the soil has been removed by significant event and has to be rebuilt.
Technological advancement of the society causes energy crisis in different parts of the world. one group of scientists has developed a plan to set up tidal power plants in different parts of the world to reduce the energy crisis. which of these statements best describes a drawback in the scientists' plan?
Limited installation sites best describes a drawback in the scientists' plan because tidal energy is not present everywhere.
Describes a drawback in the scientists' plan?
The big disadvantage of tidal power is that there are limited installation sites for it. It is expensive as well as the turbines can adversely impact the surrounding ecosystem.
So we can conclude that limited installation sites best describes a drawback in the scientists' plan because tidal energy is not present everywhere.
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Blood is made of cells and plasma. Each has a different function. Which part of blood is responsible for carrying oxygen and carbon
dioxide throughout the body?
white blood cell
platelets
red blood cell
plasma
I need help!!
Answer:
the red blood cells as it contains haemoglobin
Answer:
the red blood cells as it contains haemoglobin
Explanation:
How does abiotic factors benefit the rocky shore ecosystem?
pls help
Abiotic factors benefit the rocky shore ecosystem by dispersing seeds for photosynthesis and source of food for organisms in the ecosystem.
What is Abiotic factor?This is defined as the non living components of the ecosystem and examples include water, wind etc.
The wind and water helps to disperse seeds and for photosynthetic activity thereby providing food for the organisms.
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(Here's the table used for context)
Family / parent phenotype cross / phenotype ratio in offspring
1 / gray fur x black fur / 3 gray fur: 2 black fur
2 / gray fur x black fur / 0 gray fur: 5 black fur
3 / black fur x black fur / 1 gray fur: 3 black fur
4 / gray fur x gray fur / 4 gray fur: 0 black fur
Using the allele symbols N and n identify the most likely genotype of the parent wolves in family 1 and the most likely genotypes of the parent wolves in family 2. Be sure to identify which genotype is for the parent with gray fur and which genotype is for the parent with black fur in each family.
ok so, I'm having trouble understanding. i believe that the inheritance pattern could be dominant-recessive, but now I'm not too sure. families 1 and 2 have 5 offspring (which doesn't accommodate a dominant-recessive punnett square as that only accounts for 4 offspring). so i tried thinking of it in percentages instead but (in family 1 for example) 2/5 is 40% and 3/5 is 60% so that doesn't work with the dominant-recessive punnett square where each trait is 25%. so either I'm wrong about the inheritance pattern or I'm just full on . someone please help, i don't think I've ever been this confused in bio.
In complete dominance, heter0zyg0us individuals carry both alleles -dominant and recessive- but only express the dominant phentoype. Cross 1: Nn x nn. Cross 2: NN x nn
What is complete dominance?When the dominant allele completely masks the recessive allele, we talk about complete dominance.
This is the case of individuals that are heter0zyg0us for a particular gene and express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
What is a punnett square?The Punnett square is a representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
So, according to the provided data,
Cross 1: gray fur x black fur
F1) 3 gray fur: 2 black fur
Cross 2: gray fur x black furF1) 0 gray fur: 5 black fur
By looking at the phenotype of progeny produced by family 2, and assuming complete dominance, we can infere that black is the dominant phenotype. Why is that? because when you crossed a gray animal with a black animal and the whole progeny is black.
So, assuming a diallelic gene coding for the fur color, we will name
N to the dominant allele that codes for blackn to the recessive allele that codes for gray.Possible genotypes and phenotypes
NN ⇒ Black fur ⇒ dominant phentoypeNn ⇒ Black fur ⇒ dominant phentoypenn ⇒ Grey fur ⇒ recessive phentoypeHere what you need to analyze is which phentoypes appear among the progeny and their frequencies to get to interprete the parents' genotype.
If both parents are h0m0zyg0us dominant (NN x NN), the whole progeny expresses the dominant trait (100% NN)If one parent is h0m0zyg0us dominant and the other one heter0zyg0us (NN x Nn), the whole progeny expresses the dominant trait (50%NN and 50%Nn).If one parent is h0m0zyg0us dominant and the other one h0m0zyg0us recessive (NN x nn), the whole progeny expresses the dominant trait (100% Nn).If both parents are heter0zyg0us (Nn x Nn), the offspring will express both phenotypes in a ratio 3:1 (25% NN + 50% Nn and 25% nn).If one parent is h0m0zyg0us recessive and the other one heter0zyg0us (nn x Nn), the offspring will express both phenotypes in a ratio 1:1 (50% Nn and 50% nn).If both parents are h0m0zyg0us recessive (nn x nn), the whole progeny will express the recessive trait (100% nn).Now let us analyze the crosses,
Cross 1: gray fur x black furF1) 3 gray fur: 2 black fur
You crossed a black animal with a gray animal and the offspring expresses both phenotypes. So the black animal (dominant phenotype) must be heter0zyg0us for coat color.
Parents' phenotype) gray and black
Parentals) nn x Nn
Alleles in Gametes) n n N n
Punnett square) N n
n Nn nn
n Nn nn
F1) Genotype
1/2 = 50% of the progeny is expected to be heter0zyg0us, Nn
1/2 = 50% of the progeny is expected to be h0m0zyg0us recessive nn
Phenotype
1/2 = 50% of the progeny is expected to be black -Nn-
1/2 = 50% of the progeny is expected to be gray -nn-
Cross 2: gray fur x black furF1) 0 gray fur: 5 black fur
You crossed a black animal with a gray animal and the offspring expresses only the dominant phenotypes. So the black animal must be h0m0zyg0us dominant for coat color.
Parents' phenotype) gray and black
Parentals) nn x NN
Alleles in Gametes) n n N N
Punnett square) N N
n Nn Nn
n Nn Nn
F1) Genotype
100% of the progeny is expected to be heter0zyg0us, Nn
Phenotype
100% of the progeny is expected to be black -Nn-
Remember that the Punnett square does not give you information about the number of individuals that can be produced. It just provide information about probabilities of getting individuals with certain genotype of phenotype and their frequencies.
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3. The graph below shows the data you collected about bill lengths in two different habitats: pine forests and oak forests.
a) Study the data in the graph and explain how the bill length of the jays is affected by the habitat where they live.
pls answer fast urgent answer
Answer:
The pine jays
Explanation:
Its because the oak jays eat the hard round luscious fecal balls of the pine jays which causes them to have shorter bills.
The pine jays do not eat the feces of the oak jays instead they eat the long shiny smooth feces of the oak squirrels.
Hope this helped.
Which type of virus is an exception to the central dogma?.
Answer:
SARS-CoV-2 is a highly relevant example of information transfer that does not conform to the Central Dogma.
Explanation:
without a gallbladder, a person would be unable to produce bile by __________.
Answer:
its false
Explanation:
edge 2023
define of plant and crop residue cover ?
Which would have more effect on the evolution of plants and animals?
Answer:
E. onset of an ice age
Explanation: