5.
The endosymbiotic theory was proposed because mitochondria, chloroplasts, and prokaryotes have similar–
A
cell walls.
B
nuclei.
C
Golgi bodies.
D
DNA.
Answers
Related Questions
Which of the following provides the best evidence that Earth's climate has changed over time?
A. the different varieties of flowering plants
B. the presence of insect bodies in hardened sap
C. the discovery of crocodile fossils in Greenland
D. the action of wind breaking down rocks into small pieces
Answers
The temperature of the Earth responds to changes in levels of greenhouse gases, as shown by ice cores from Antarctica, Greenland, and tropical mountain glaciers.
What proof exist that the climate has changed?The rate of glacier retreat throughout the globe, the intensity of rainstorms, changes inside the timing of plant leafing out and the arrival the spring migrant birds, as well as the shifting of some species' ranges are only a few of the physical as well as biological changes which confirm climate warming.
How has the climate of the planet evolved over time?As per NOAA's 2021 National Weather Report, the total surface or ocean temperatures have increased by 0.08 degrees Celsius (0.14 degrees Fahrenheit) on average every decade since 1880. Yet, the average temperature rise since 1981 was 0.32 °F (0.18 °C) per decade, a rate that was over twice as quick.
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what travels through the nucear pores?
Answers
Answer:
molecules
Explanation:
Nuclear pore complexes allow the transport of molecules across the nuclear envelope.
Answer:
Molecules
Have a good day!
what are vestigial organs
Answers
These are 'useless' body-parts, otherwise known as vestigial organs, are remnants of lost functions that our ancestors possessed
Answer:
Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species.
Why is water considered to be abiotic?
Answers
Answer: Water is a nonliving factor so it is considered abiotic. Abiotic is any nonliving factor of the ecosystem, With said that water is not living so it is considered abiotic. Hope this helps.
How is a virus a considered a living thing?
Answers
Answer:
Virus is a semi living microorganism which means that it is half dead and half alive.
Explanation:
The characteristics which make it alive are;
- They contain genetic material called DNA
- They reproduce earn present in a host cell.
-They affect the host living bodies by causing different diseases.
Thermodynamics
Heat is thermal energy which is passed on or transferred from one object to another. You may have experienced the many different ways heat can transfer energy; from the rays of the sun, to flow of a breeze.
100% energy in the form of solar radiation
34% reflected from clouds & dust
02% Photosvnines
Wind 1%
Evaporating Water 23%
42% towards heating surface and atmosphere
It takes eight minutes for electromagnetic waves to transfer energy from the sun to the earth. This particular type of energy transfer is known as solar radiation.
As the radiation strikes the earth, molecules within the crust of earth begin to move. As the molecules in the earth begin to collide, the process of conduction begins. If you have ever visited the beach during the warm summer months, you have probably experienced walking on very hot sand. The hot sand is the result of the sun's rays transferring heat through the collision of molecules which is known as conduction. As the land of the earth becomes heated, the molecules in the air above the land are affected. As an air mass becomes warmer, it also becomes less dense and begins to rise. As the density changes and the air mass begin to flow, the process known as convection has begun.
Answer the following questions
1. A light was left on over night on a desk. What kind of heat was being let off from the bulb?
a. Convection
b. Conduction
c. Radiation
d. Solar
2. During the summer the energy from the sun causes the black top on some roads to get so hot, the tar bubbles on the surface. What kind of energy transfer causes the molecules within the black top to move?
a. Convection
b. Conduction
c. Radiation
d. Potential
3. Within the local weather report, high winds are said to be moving into the area. What type of energy is responsible for the flow of energy which creates wind?
a.
Radiation
b.
Convection
C.
Conduction
d.
Potential
4. Radiation is energy which is transferred through
a. Waves
b. Convection
c. Conduction
d. movement
5. Pam places a test tube containing water over a Bunsen burner and lights it. On another sheet of paper, describe the heating process of the contents of the test tube. Within your answer be sure to:
• Identify each phase of thermodynamics, including; conduction and convection
• Describe the movement of the water molecules
Answers
1) The correct answer is c. Radiation. The heat being let off from the bulb is in the form of thermal energy, which is transferred through electromagnetic waves, or radiation.
2) The correct answer is b. Conduction. The energy from the sun is transferred to the black top through radiation, but the heat causes the molecules within the black top to move through conduction, which is the transfer of heat through collisions between molecules.
3) The correct answer is b. Convection. Wind is created by the movement of air masses, which is driven by convection, the transfer of heat through the movement of fluids (in this case, air).
4) The correct answer is a. Waves. Radiation is the transfer of energy through electromagnetic waves, such as visible light, infrared radiation, and ultraviolet radiation.
5) As the Bunsen burner heats the test tube, the water molecules within the test tube begin to move faster and collide with one another, causing the temperature of the water to increase. This is an example of conduction, the transfer of heat through collisions between molecules. As the water near the bottom of the test tube is heated, it becomes less dense and begins to rise, while cooler water from the top of the test tube sinks down to take its place. This is an example of convection, the transfer of heat through the movement of fluids.
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Select the correct answer. Which form of reproduction in fungi can allow the fungi to reproduce sexually?.
Answers
By fragmenting, budding, or creating spores, fungi can reproduce asexually. They can also reproduce sexually by producing homothallic or heterothallic mycelia.
Plants typically reproduce asexually through a process known as fragmentation. Plants frequently produce vegetatively in a way called fragmentation. When a rooted shoot separates from the primary group, this process is known as fragmentation. Various processes exist in plants. The natural fragmentation of plants is known to occur in a number of additional ways.
Few plants possess the specialized structures necessary for adventitious plantlets to develop on their leaves and eventually separate to grow into full-grown plants. Organs like turions and bulbils are produced by several other organisms.
Fragmentation frequently occurs in nonvascular plants, such as liverworts and mosses. The wind, animals, or even water carry the leaves or stems of moss.
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Which statement about polymers is true? A. Polymer synthesis requires an input of free energy and involves the consumption of water.B. Polymer breakdown requires an input of free energy and involves the release of water.C. Polymer breakdown requires an input of free energy and involves the consumption of water.D. Polymer synthesis requires an input of free energy and involves the release of water.
Answers
The correct option is D. D. Polymer synthesis requires an input of free energy and involves the release of water is the correct statement.
D. Polymer synthesis requires an input of free energy and involves the release of water is the correct statement.
Polymer synthesis is an endergonic or energy-consuming process that involves the formation of covalent bonds between monomer units, typically releasing a small molecule like water in the process, known as a condensation reaction. This process requires an input of free energy to overcome the energy barrier required to form these new chemical bonds.
On the other hand, polymer breakdown is an exergonic or energy-releasing process that involves breaking the covalent bonds that hold the polymer together, typically resulting in the release of small molecules such as water or carbon dioxide. This process requires an input of free energy to overcome the energy barrier necessary to break these chemical bonds.
Therefore, option D is the correct statement about polymers.
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From the following list, identify the types of chromosome changes you expect to show phenotypic consequences Select the six that apply. reciprocal balanced translocation pericentric inversion O interstitial deletion monosomy duplication polyploidy terminal deletion trisomy paracentric inversion
Answers
From the following list, the types of chromosome changes that are expected to show phenotypic consequences are Reciprocal Balanced Translocation, Pericentric Inversion, Interstitial Deletion, Monosomy, Duplication, Terminal Deletion, Trisomy and Paracentric Inversion.
These chromosomal abnormalities can result in genetic diseases or other health problems by altering the number or shape of the chromosomes. Reciprocal Balanced Translocation is the exchange of portions of the arms of two non-homologous chromosomes, while Pericentric Inversion is the inversion of a chromosome around its centromere.
Monosomy refers to the loss of a whole chromosome, whereas Interstitial Deletion refers to the deletion of a portion of a chromosome. A chromosome section is duplicated in a duplication, whereas a chromosome's terminal region is deleted in a terminal deletion.
Trisomy is the condition in which one or more chromosomes are present in excess, and paracentric inversion is the inversion of a chromosome that only affects the centromere and not the ends. These chromosomal modifications may cause major changes in phenotype and can lead to genetic disorders.
Complete Question:
From the following list, identify the types of chromosome changes you expect to show phenotypic consequences?
A. Reciprocal Balanced Translocation
B. Pericentric Inversion
C. Interstitial Deletion
D. Monosomy
E. Duplication
F. Polyploidy
G. Terminal Deletion
H. Trisomy
I. Paracentric Inversion
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What is the act of adding water to crops?
Answers
Answer:
The seed of the crop absorbs the water and with sunlight, allows the crop to grow
Explanation:
Answer:
irrigation
Explanation:
irragation ; its definition is the act of adding water to crops.
A boat carries two teams of scuba divers to the middle of the Atlantic Ocean, where they remain for the day. One team of divers stays close to the surface. They explore the
surface waters within a distance of 1000 meters from the boat. The second team of divers descends to a depth of 1000 meters below the surface.
• Which team will be able to observe the greater variety of living things in the waters they visit? Explain your answer.
Answers
The team that would observe the greater variety of living things in the waters they visit is the second team.
What is the team that sees the greatest variety of living things?We have to note that the aquatic ecosystem has a great degree of biodiversity. This implies that there are several kinds of organisms that can be found in the ecosystem that exists in the water that is under study.
Recall that just like every other ecosystem, the ecosystem that you can find in the water is completely a self supporting ecosystem. There a re producers, consumers and decomposers as in every other ecosystem that we have.
The biodiversity in the ocean increases as we move down towards the bottom of the ocean as most of the organisms tend to live in the benthic zone which is the zone that is very cold and about 1000 meters below the surface.
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which statement best describes the molecular structure of protein, along with one of the functions of proteins? it is a straight chain hydrocarbon that can help fight disease
Answers
Protein are the vital part of any organisms as it helps in growth and repair. The statement that best describes the molecular structure of a protein is option B, i.e., It is a complex, folded chain that helps regulate cell processes.
What is the need of protein folding?Protein has four main structures, namely primary, secondary, tertiary and quaternary structure. It is a complex, folded chain that helps regulate cell processes.
Each structure differ from each other in the way of folding.
The folding of protein makes the protein active to determine its main functions.
Thus, the correct option is B.
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why is there a size difference between the most superior and most inferior vertebrae?
Answers
The size difference between the most superior and most inferior vertebrae is primarily due to their functional and anatomical differences in the vertebral column.
The most superior vertebra, known as the atlas (C1), is specialized to support the weight of the head and facilitate its movement. It lacks a vertebral body and has a ring-like structure, allowing for the articulation with the occipital condyles of the skull. Its relatively small size is adapted to fulfill its role in providing mobility to the head.
On the other hand, the most inferior vertebrae, such as the lumbar vertebrae (L1-L5) or the sacral vertebrae (S1-S5), are designed to bear the weight of the upper body and provide stability to the vertebral column. These vertebrae have larger vertebral bodies and thicker spinous processes, enabling them to withstand the load and forces exerted on the lower back during standing, walking, and other weight-bearing activities.
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Based on the structures, a student claims that the animal cell contains complex structures that are absent in the bacterial cell. Which statement can the student make to support the claim?
(a) Animal cell contains flagella that aids in locomotion that is absent in case of a bacterial cell.
(b) Nuclear material of the bacterial cell is not enclosed in a nuclear envelope as in case of an animal cell. *
(c) Cytoplasmic content of the bacterial cell is not enclosed in a thick cell wall as in case of an animal cell.
(d) Animal cell contains ribosomes spread across the cell whereas in case of bacterial cell they are clumped together.
Answers
The answer is b. since bacteria are prokaryotes.
25+ POINTS PLEASE HELP!!!!!!!!!! ||| NEED ASAP
The light bulbs on strands of twinkle lights often burn out, leaving a gap in the circuit. With this in mind, do you think it is better to design these strands of twinkle lights as a series or parallel circuit?
3 SENTENCES
Answers
Explanation:
Issun Sengeki... Messatsu!
Here's the sentence:
If the light bulbs often burn out, then I can use a different method. The resolution could be using a parallel circuit. The reason being is because a parallel circuit will have to available ways to transfer power, so if one route fails, the other prevails!
In what way do the particular proteins in our bodies depend on our DNA.
Answers
Answer:
Proteins are synthesized in the body through a process called Translation. Translation occurs in the cytoplasm and involves converting genetic codes into proteins. Genetic Codes are assembled during DNA transcription, where DNA is decoded into RNA. The cell structures called Ribosomes. Ribosomes help transcribe RNA into polypeptide-chains that need to be modified to become functioning proteins.
in a population of 50 flies in hwe, 18 flies have a recessive trait that causes curly wings. how many flies are heterozygous? group of answer choices 18 8 24 20
Answers
In a population of 50 flies in hwe, 18 flies have a recessive trait that causes curly wings there are 24 flies that are heterozygous. The correct answer is C.
There are 18 flies with a recessive trait that results in curled wings in a population of 50 flies. This indicates that 32 flies are missing the recessive gene for curled wings.
To determine how many flies are heterozygous, we need to use the Hardy-Weinberg equation: p^2 + 2pq + q^2 = 1.
In this equation, p represents the frequency of the dominant allele, q represents the frequency of the recessive allele, and 2pq represents the frequency of heterozygous individuals.
We can use the frequency of the recessive trait (q²) to solve for q:
q² = 18/50 = 0.36
q = √0.36 = 0.6
Now we can use the equation p + q = 1 to solve for p:
p = 1 - q = 1 - 0.6 = 0.4
Finally, we can use the equation 2pq to solve for the frequency of heterozygous individuals:
2pq = 2(0.4)(0.6) = 0.48
To find the number of heterozygous individuals in the population, we can multiply the frequency of heterozygous individuals by the total population:
0.48 x 50 = 24
Therefore, there are 24 flies that are heterozygous in the population.
The correct answer is 24.
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Which ocean is on the eastern coast of north and South America
Answers
Answer:
Atlantic Ocean
Explanation:
Edge 2021
A scientist writes in a report the worm is 2 centimeters long which best describes this type of statement
Answers
Answer:
It is an observation.
Explanation:
The scientist observed that the worm is 2 cm long.
Which of the following statements about muscles of the elbow joint is true?
a. the brachioradialis originates and inserts on the ulna.
b. The biceps brachii is a posterior extensor.
c. The biceps brachii has two heads that share the same origin site.
d. None of the statements is correct.
Answers
From all the given options, the correct statement about muscles of the elbow joint is (c) The biceps brachii has two heads that share the same origin site.
The correct statement about muscles of the elbow joint is (c) The biceps brachii has two heads that share the same origin site. The biceps brachii is a muscle located in the upper arm and is involved in flexing the elbow joint. It consists of two heads, the long head and the short head. Both heads share a common origin point at the scapula, specifically the supraglenoid tubercle. The long head of the biceps brachii originates from the supraglenoid tubercle and runs along the intertubercular groove of the humerus. The short head originates from the coracoid process of the scapula. Both heads merge together and insert onto the radial tuberosity of the radius bone in the forearm.Thus, option (c) correctly describes the origin of the biceps brachii muscle, while options (a) and (b) are incorrect statements.
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what would happen to seed germination if the seed was sitting in water saturated soils will give brainliest
Answers
Answer:
When the soil is overly saturated with water, the oxygen gets deplenished; in other words there is no space for the oxygen molecules to enter the plant when the soil is high in water content. Thus, the seed will not sprout.
Which of these theories, Utilitarianism, Deontological, Ethics of Care, or Virtue ethics do you think to provide the best general guide to bioethical decision making and why?
Answers
All the theories of Utilitarianism, deontological, ethics of care, or virtue ethics provide a general guide to bioethical decision-making.
The goal of utilitarianism is to maximise everyone's general happiness or well-being. Utilitarianism may give priority to actions that have the greatest overall positive impact on the people who will be affected or on society as a whole while making bioethical decisions. When making decisions that affect a large number of people, like when allocating resources or setting public health policy, this method may be helpful. Adherence to moral obligations and principles is emphasised in deontological ethics. It emphasises whether an activity is inherently right or evil, regardless of its effects. Deontological concepts, such as respect for autonomy, beneficence, and non-maleficence, provide direction in bioethical decision-making to ensure the ethical treatment of individuals, respecting their rights and dignity.
The importance of connections, empathy, and compassion is emphasised by the ethics of care. It places a strong emphasis on establishing compassionate interactions and taking individual needs and circumstances into account when making decisions. This strategy may place a higher value on empathy and attention to the needs of patients and those involved in healthcare decision-making in field of bioethics. In order to make moral decisions, virtue ethics emphasises developing and upholding virtuous traits. It places a strong emphasis on character traits including integrity, honesty, and compassion. The creation of virtuous healthcare practitioners who continuously operate in accordance with moral ideals may be given priority in bioethical decision-making by virtue ethics.
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If two different purebreds are crossed what type of traits will their hybrid offspring have?
Answers
Explanation: I’m not for sure what the question is asking and my answer doesn’t make that much sense to answer the question but I know the offspring will have some form of dominant and recessive traits.
Purebreds in genetics refer to organisms that are bred from a true breeding crossing.
If two different purebreds are crossed, their hybrid offspring will have traits that are heterozygous in nature.
A true breeding cross--- TT x TT will yield TT or
tt x tt will give tt
A cross between two different purebreds - TT x tt will yield all Tt (heterozygous) .
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the nervous system is generally comprised of two classes of cells: glia and neurons. each class of cell performs a distinct function, but both are necessary for the nervous system to work properly.
Answers
The nervous system is generally comprised of two classes of cells: glia and neurons. Each class of cell performs a distinct function, but both are necessary for the nervous system to work properly.
Glia cells, also known as neuroglia, provide support and protection for neurons. They outnumber neurons and play a crucial role in maintaining the overall health and functioning of the nervous system. Glia cells are involved in various functions such as maintaining the structural integrity of neurons, regulating the chemical environment around neurons, and providing insulation to nerve fibers. They also play a role in repairing damaged neurons and removing dead neurons.
Neurons, on the other hand, are the primary functional cells of the nervous system. They are responsible for transmitting electrical signals, known as action potentials, to communicate information within the nervous system. Neurons are composed of a cell body, dendrites, and an axon. Dendrites receive signals from other neurons or sensory receptors, while the axon transmits signals to other neurons or effector cells such as muscles or glands.
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what is one reactants of photosythensis
Answers
Answer:Carbon Dioxide (c02) or Water (h2o)
Explanation: there u go :)
please answer asap !!!! and yeah please hehe
Answers
Answer:
looks like a nucleotide
Explanation:
going with nucleotide!
You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
Answers
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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3. A teacher makes a two-column chart on the board. He asks the students to list
situations that relate to primary succession. Which statement should be included
under primary succession?
Answers
Which organism is able to cause an infection?
Answers
Answer:
Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions.
what would happen to a blood cell placed in pure water?
Answers
Answer:
The blood cell would swell up and burst due to being placed in a Hypertonic solution.