There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?
Answers
Answer:
Plasma membrane, cytoplasm, ribosomes, and DNA.
Explanation:
There are what eukaryotes and prokaryotes have in common.
Related Questions
Changes in weather are caused by the movement and interaction of _______ ______________. What should I fill the blanks in with?
Answers
Answer:
Air masses
Explanation:
An air mass is a volume of air defined by its temperature and water vapor content. Air masses adapt to the characteristics of the surface below them.
If the mass of an object increases, what also increases
Answers
Answer:
The force does too
Explanation:
From the universal law of gravitation, F ∝ m1m. Since force is directly proportional to mass, if the mass of either of the object increases, the force also increases.
can. yall help me with thatttt PLZZZZ
Answers
Answer:
Rational numbers are all numbers integers are like -1 -2 0 1 2 integers are negative whole numbers and positive whole numbers also 0 whole numbers are just 0 1 2 3 4 5 and so on
Explain why mutations in copi components build up proteins in the er lumen?
Answers
Genes of endoplasmic reticulam shaping proteins are among the most commonly mutated in hearediatry spastic paraplegia.The process of protein synthesis directly drives the transfer of growing polypeptide chains through the sec61 channel into the ER.
These folding factors which consist of classical chaperones and thier cochaperones , the carbohydrate -binding cochapersons and the folding catalysts of PDI and proline cis-trans isomerase families.
Protein that fail to fold correctly are trans located back across the endoplasmic reticulum membrane to the cytosol , they become sub strates for the cytosolic degradative machinery.Misfolded secretly proteins remain the endoplasmic reticulum and degraded by ER- associated . They targeted for destruction by this machine which chews protein ans splits them out as small fragments of amino acids.
To learn more about endoplasmic reticulam here
https://brainly.com/question/13118914
#SPJ4
How many arms does a squid have?
Answers
Answer:
Ten arms! Hope this helps!
Answer: it has 8 arms but if you count the two tentacles it would be 10
Once pollen lands on the stigma of a flower, the pollen germinates, creating a pollen tube that grows down the ovule. The sperm cell moves through the tube to fertilize the egg. Based on the evidence from the experiment above explain how natural selection might have led to directional selection toward higher aperture number.
Answers
In plants most pollen grains are tricolpates, that is to say, they have three apertures, what's more there are a great number of different pollen shapes and apertures, this is quite dependent, on the species and pollen stigma dynamics.
Nonetheless, in the present case we have that those pollen grains with more aperture germinate faster, assuming that all repetitions belong to the same species we would be looking at a directional selection towards a higher aperture number, this could be due to a faster interaction of stigma secretions with pollen tube grow, pollen tube could take less time to nourish, interact and grow in the stigma. or could be a mutation in those pollen grains with three apertures that makes them less viable not so much is about germination speed maybe this with pollen with three apertures could be unfertile so the low percentage is not because of time but infertility. Another situation is that those pollen grains with three apertures have differences in pollen kit and receptors so there is no proper recognition stigma pollen, and so germination is slower or inhibited.
Just need the answers
Answers
The muscles engaged when pushing against a wall are labeled in the attachment.
What are the muscles engaged when pushing against a wall?When pushing against a wall, several muscles in your upper body and lower body are engaged. The specific muscles involved depend on your body position, the force of the push, and the duration of the activity.
However, some of the main muscles that are commonly engaged when pushing against a wall include:
Chest muscles (Pectoralis major): These muscles are located in the front of your upper body and are responsible for bringing your arms across your chest.Shoulder muscles (Deltoids): The deltoid muscles are located on the upper part of the shoulder and are responsible for moving your arms away from your body.Triceps: The triceps muscles are located at the back of your upper arms and are responsible for extending your arms.Core muscles: When pushing against a wall, your core muscles, including your abdominal muscles and lower back muscles, are engaged to stabilize your torso and prevent injury.Leg muscles: Your leg muscles, including your quadriceps, hamstrings, and glutes, provide the power to push against the wall and maintain your body position.Learn more about muscles at; https://brainly.com/question/29851880
#SPJ1
Complete question:
What are the muscles engaged when pushing against a wall?
Which statement is a valid inference based on the information in the diagram? a.) species A is the common ancestor of all life on Earth b.) species D is more closely related to species E than to species F c.) species B is the ancestor of species F d.) species C is the ancestor of species that exist at the present time
Answers
A valid inference base on the common ancestry diagram is species D is more closely related to species E than to species F. Option B
What is meant by common ancestry?A species can be said to be a common ancestor of all life on Earth when it is the most recent common ancestor of all living things.
This means that all living things share a common ancestor that is more recent than any other common ancestor.
The diagram shows that species D and E share a more recent common ancestor than species D and F. This means that species D and E are more closely related to each other than to species F.
Find more exercises on common ancestry;
https://brainly.com/question/31239546
#SPJ1
a primary function of folate is its role as part of coenzymes needed for . multiple choice question. maintenance of normal vision dna production energy metabolism bone health
Answers
One of folate's main roles in the body's necessary coenzymes is its participation in the creation of DNA.
The body's only apparent use for folate coenzymes is to facilitate the transfer of one-carbon molecules. Folate coenzymes participate in a number of processes essential to the metabolism of nucleic acids and amino acids as donors and acceptors of one-carbon units folate . helps cells function and tissues flourish. aides in the body's use, synthesis, and coenzymes breakdown of proteins when combined with vitamin B12 and vitamin C. folate creates red blood cells (helps prevent anemia) aids in the production of DNA, the genetic information-carrying molecule that makes up the human body.
learn more about folate here:
https://brainly.com/question/29344024
#SPJ4
What are some human impacts on the Phosphorus Cycle?
Answers
Here is your answer!!
Please write from it
Thank you!!
Polarity: what condition must occur in order for a spontaneous STOP mutation to activate a Rho terminator embedded within a coding region
Answers
A spontaneous STOP mutation must occur in a way that causes the mutated codon to match the codon of the Rho terminator embedded within the coding region.
This will cause the Rho terminator to be transcribed, resulting in the termination of transcription of the coding region. This interaction causes the Rho protein to move along the RNA strand and bind to the Rho terminator, which is located downstream of the STOP codon. The binding of the Rho protein to the Rho terminator causes the termination of transcription. It is important to note that this process only occurs when the Rho protein is present in the transcription bubble and is able to interact with the RNA strand. Therefore, if the Rho protein is not present in the transcription bubble, or if the Rho protein is not able to interact with the RNA strand, then a spontaneous STOP mutation will not be able to activate the Rho terminator embedded within a coding region.
To know more about mutation refer :
brainly.com/question/30336837
#SPJ11
A person can have hundreds of different type of cells because:different cells result from genetic variation in meiosis.different cell types have different genes.different cell types all have the same genes but have different genes active.None of these choices is correct.
Answers
Humans have specialized cells in the body. Each cell type performs a unique function. Humans have different type of cells with different structures and functions.
All the cells in a human's body contain the same DNA. However, the human body is composed of many different types of cells. Because of gene regulation, each cell type possess a different set of active genes although all the cells of the body contain the same DNA.
Answer - different cell types all have the same genes but have different genes active.
. Compare and contrast the two key viral evolution theories. Do you think they are mutually exclusive? Explain your reasoning. Viral evolution (known) Early appearance based on proteomics RNA viruses likely predate DNA viruses Theories and the Phylogenetic tree Two theories: • Require host, must have evolved after early cells. (Cell remnants) • Remnants of the "RNA world" • Maybe the first DNA-containing entities • DNA viruses may have infected ancestors of the three domains • Genetics exchange → cell machinery RNA-based cells were not as fit → extinct Would explain why some DNA-specific processes are shared among Archaea and Bacteria, whereas Archaea and Eukarya are more closely related
Answers
The two key viral evolution theories are the "escaped genes" theory and the "coevolution" theory. The escaped genes theory suggests that viruses are remnants of the "RNA world" and may have been the first DNA-containing entities.
The coevolution theory suggests that viruses require a host and must have evolved after early cells, which were cell remnants. These theories are not mutually exclusive. It is possible that both theories have contributed to the evolution of viruses. The phylogenetic tree shows that RNA viruses likely predate DNA viruses, which supports the escaped genes theory. However, DNA viruses may have infected ancestors of the three domains, which supports the coevolution theory.
It is also possible that RNA-based cells were not as fit and became extinct, while DNA-based cells thrived. This would explain why some DNA-specific processes are shared among Archaea and Bacteria, whereas Archaea and Eukarya are more closely related.
In conclusion, the two key viral evolution theories are not mutually exclusive and both may have played a role in the evolution of viruses. The phylogenetic tree supports the idea that RNA viruses likely predate DNA viruses, but DNA viruses may have evolved through coevolution with their hosts.
To know more about RNA click here:
https://brainly.com/question/4120168
#SPJ11
The minimum amount of unstable atoms needed to produce an uncontrolled chain reaction is called _____.
Answers
The minimum amount of unstable atoms needed to produce an uncontrolled chain reaction is called critical mass.
What is an uncontrolled chain reaction?
A series of nuclear reactions that happen one after the other but not under controlled circumstances is known as an uncontrolled chain reaction. As a result, an unchecked chain reaction may end up becoming very explosive. That's because these reactions have a very fast rate of energy release.
The chain reaction won't continue if the conditions are such that neutrons are lost quicker than they are created by fission. Critical mass is the threshold at which the chain reaction is capable of self-sustaining.Hence, the minimum amount of unstable atoms needed to produce an uncontrolled chain reaction is called critical mass.
To know more about uncontrolled chain reaction from the given link
https://brainly.com/question/4032114
#SPJ4
Blood Alcohol Concentration (BAC) refers to the amount of alcohol contained in a persons blood.
T/F
Answers
True. Blood Alcohol Concentration (BAC) refers to the measurement of alcohol content in a person's bloodstream.
It is expressed as a percentage, indicating the volume of alcohol per 100 milliliters of blood. BAC is commonly used to assess a person's level of intoxication and their ability to operate vehicles or machinery safely. When alcohol is consumed, it is absorbed into the bloodstream through the walls of the stomach and small intestine.
The liver metabolizes the alcohol, but this process takes time. BAC levels can vary based on factors such as the amount and rate of alcohol consumption, body weight, gender, metabolism, and the presence of food in the stomach. Higher BAC levels generally result in impaired judgment, reduced motor skills, decreased reaction times, and increased risk of accidents or harm.
It is important to remember that driving or engaging in any activity that requires alertness should be avoided when BAC levels exceed legal limits.
Know more about Blood Alcohol Concentration here
https://brainly.com/question/28245369#
#SPJ11
HELP PLEASE!!!!!
Will award brainlyist
Answers
Answer:
The answer to the problem would be C.
How do natural pollination and artificial pollination differ
Answers
Answer:
Natural pollinators, like bees, pollinate flowers randomly, essentially mixing up their genomes and increasing genetic diversity. This leads to different types of future plants. However, artificial pollination is so labor intensive, it's hard to replicate the same variety in pollination.Aug 8, 2017
Explanation:
Artificial pollination is the type of pollination carried out by humans. It is a mechanical technique used to pollinate plants when natural pollination is insufficient or undesirable. It does not require the help of insects or weather.
Natural pollination consists of the transfer of pollen between the male and female organs of the flowers, without human intervention. In other words, pollen is transferred from the stamens to the stigma of the flowers, where it fertilises the ovules, making seed and fruit production possible.
Is gasoline a mixture or a compound?
Answers
Answer:
Gasoline is a complex blend of compounds made from petroleum. There are various grades of gasoline. Thus it is a mixture. A classmate claims that brass and silver are both pure substances because they have a uniform composition throughout.
Explanation:
Aluminum is a chemical element so it is a pure substance. Thus it is a mixture. Gasoline is a complex blend of compounds made from petroleum
Answer:
A mixture
Explanation your reasoning:
The fraction of gasoline that is made up of octane affects how the gasoline burns in a car.
Why do scientists think gases such as CO2 trap heat in the atmosphere?
Answers
Greenhouse gases are more complex than other gas molecules in the atmosphere, with a structure that can trap heat. Greenhouse gas molecules in the atmosphere absorb light, preventing some of it from escaping the Earth.
Carbon dioxide is Earth's most important greenhouse gas that works for absorbing and radiating heat. Greenhouse gases absorb heat radiating from the Earth's surface and even circulate it in all directions including back toward Earth's surface.
Carbon dioxide in the atmosphere warms the planet, causing climate change. Human activities have raised the atmosphere's carbon dioxide content by 50% in less than 200 years.
To learn more about Carbon dioxide , here
brainly.com/question/3049557
#SPJ1
this answer i need pls ill mark brainliest
Answers
All - growth, exchange of gases, excretion, reproduction, and death (option d).
All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:
A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.
B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.
C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.
D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.
Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.
For more such questions on reproduction, click on:
https://brainly.com/question/461781
#SPJ8
Select one or more correct answers.
Hakeem is testing the effects of sunlight on samples of soil. Which of these actions would introduce confounding variables into Hakeem’s experiment?
A. He tests a theory that’s already been established.
B. He tests multiple hypotheses at a time.
C. He uses identical specimens when completing multiple trials.
D. He adjusts the independent variable and records the effects.
E. He uses different types of soil in each of his samples.
Answers
The actions that will introduce confounding variables into Hakeem's experiment of testing the effects of sunlight on samples of soil will be:
(B) He tests for multiple hypotheses at a time.
(E) He uses different varieties of soil in each of his samples.
Variables are the factors of an experiment that can themselves change or exhibit the potential to change the results of the experiment. There are three types of variables: the dependent variable, the independent variable and the controlled variable.
Hypothesis can be defined as any statement or theory that has no significant proof. That theory may be or may not be true and applicable.
To know more about variables, here
brainly.com/question/17344045
#SPJ1
Two students are talking about what they learned in class. One says, "sex is biological, not socially constructed." Support or oppose the argument that sex is biological and not socially constructed. Use at least two course materials (articles, videos, podcasts, etc) to make your point.
Answers
Sex is a biological trait that refers to the observable physical and genetic characteristics that distinguish males from females. It is frequently assumed that sex is based on biological or genetic characteristics rather than social and cultural aspects.
The physical variations between males and females, such as genitalia and breasts, are some examples of sex differences. Thus, it is a biological characteristic rather than a social one. Both social constructionism and biological determinism, on the other hand, have opposing perspectives on gender. Biological determinism emphasizes that gender differences are inborn, while social constructionism emphasizes that they are socially produced. According to the social constructionism perspective, gender identity and the roles associated with it are the product of socialization and cultural expectations, whereas biological determinism focuses on innate biological differences and the impact of biology on gender.
The claim that sex is a biological trait and not socially constructed can be supported by two course materials. The article "Sex as Biological and Gender as a Social Construct" by Anne Fausto-Sterling argues that sex is a biological characteristic because it is based on genitalia and chromosomes, while gender is socially constructed. This article suggests that sex is primarily concerned with physical characteristics, while gender is linked to social and cultural expectations, which is consistent with the idea that sex is biological and gender is social.
To know more about social constructionism visit
https://brainly.com/question/13170715
#SPJ11
Ari drew a diagram to show organisms in an ecosystem. What did Ari draw?
Answers
Answer:
food web
Explanation:
Food web is an interconnection and assimilation of different good chains. Many food chains are interlinked a hence a food web is created. This represents what is eaten by which organism. The diagram that Ari had drawn is a diagram of a food chain. The grass is the primary source of food in the food web. Rabbit, Mouse, and grasshopper are the animals that eat the grass. The grasshopper is eaten by a shrew and a mouse. The rabbit and shrew are then eaten by the fox. A mouse is eaten by a snake and a fox. This is the diagrammatic representation of a food web.
Answer:
food web
Explanation:
Nicotine replacement and self-management techniques are two approaches to smoking__________________.
What is the name of the method in which a smoker tries to avoid tempting situations and manages feelings that lead to nicotine use?
True or False Most people pick up smoking habits in adulthood.
Making sure your friends know you are tobacco-free and sticking to that decision in the face of pressures and influences requires ________________skills.
Critical Thinking Identify 5 health benefits of smoking cessation (stop smoking) that occur throughout the years after you quit, as well as those you see within a few days.
Can someone pls help me.
Answers
Answer:
It requires trolling your friends skills
When an organism can tolerate specific chemicals meant to kill it, it is said that the organism has developed a(n) ______________________ to the chemical.
Answers
Answer:
Immunity.
Explanation:
The organism has developed an immunity to the chemicals meant to kill it. An immunity allows the organism to not be effected anymore by it and survive.
Hope this is correct, have a great day!
When an organism can tolerate specific chemicals meant to kill it, it is said that the organism has developed an Immunity to the chemical.
What is meant by the term Immunity ?Immunity pertains to an individual body’s ability to restrict the incursion of pathogens. Pathogens are foreign disease-generating substances, which includes bacteria and viruses, and humans are susceptible to them on a daily basis.
Antigens are attached to the surface of pathogens which further arouses an immune response in the body of an individual. Immune response or immunity refers to the body’s capability to defend and to fight against antigens and protect the body.
There are various types of immunity, which consists of innate immunity, passive immunity, and acquired/active immunity.\
1) Innate immunity refers to standard protection that a person is born with already acquired since birth, consisting physical barriers (skin, body hair), defense mechanisms (saliva, gastric acid), and generic immune reactions (inflammation).
2) Passive immunity refers to an individual body’s ability to resist pathogens by “borrowing” antibodies. For illustration, antibodies could be transmitted to a baby from a mother’s breast milk, or via blood products consisting antibodies like immunoglobulin that can be diffused from one person to another.
Thus, when an organism can tolerate specific chemicals meant to kill it, it is said that the organism has developed an Immunity to the chemical.
Learn more about Immunity, here:
https://brainly.com/question/8189807
#SPJ5
A plasma membrane with components constantly in motion, sliding past one another in the lipid bilayer is called the fluid mosaic model.
True
False
Answers
Have a great day :)
If a cell has 24 pairs of chromosomes in its diploid state, how many
chromosomes will it have after Meiosis 2?
A. 12
B. 24
C.48
D. 6
Answers
Answer:
option A is correct that is 12
Explanation:
meiosis occur in two phases in first phase DNA replication occur and amount of DNA become doubled without any change in the chromosome number and two daughter cell (each 2 n)are formed.
now in stage 2 each daughter cell undergoes mitosis with the formation of two cells with half chromosomes(n)
now 2n=24
n=24/2 =12
after meiosis stage 1...........two daughter cell each with 24 chromosomes
stage 2 .............each daughter cell form two grand daughter cell each with 12 chromosomes
net result.......4 daughter cell each with 12 chromosome(assuming cell as a diploid cell)
If a cell has 24 chromosomes before cell division then the daughter cell resulting from the mitotic division will have 24 chromosomes while the daughter cell resulting from the meiotic division will contain 12 chromosomes each.
The answer is option A.
What are meiotic and mitotic cell divisions?There are sorts of cell departments: mitosis and meiosis. most of the time whilst humans discuss “cellular division,” they suggest mitosis, the procedure of making new frame cells. Meiosis is the sort of cell division that creates egg and sperm cells. Mitosis is an essential technique for lifestyles.
Learn more about mitosis and meiosis here: https://brainly.com/question/11842063
#SPJ2
how do the respiratory and circulatory systems work together to maintain homeostasis
Answers
Convection occurs because heated material becomes ____________________. A less dense and rises B denser and rises C denser and sinks D less dense and sinks
Answers
Answer: A less dense and rises
Explanation:
Convection is a type of heat transfer happens when there is a movement of fluid (liquid or gas) in which convection currents are produced due to the movement of hot fluid upwards and cold fluid downwards. This happens as the density of hot fluid decreases due to presence of less number of mmolecules per unit volume. As the hot liquid becomes less dense, it starts moving upwards.
Thus convection occurs because heated material becomes less dense and rises.
what is the equation for cellular respiration?
Answers
C6H12O6 + 6O2 --> 6CO2 + 6H2O (+ ATP/energy)