The function which the nucleus would perform is THE BIG BOSS!! (CEO) The boss controls all of the activity inside the cell.
The nucleus plays a number of crucial roles. It controls cellular processes including protein synthesis and cell division since it includes genetic material. The nuclear envelope, nuclear lamina, nucleolus, chromosomes, and nucleoplasm are some of the anatomical components that make up the nucleus. Control over a cell's genetic makeup and, consequently, an organism's inherited traits. The nucleus often appears as a sizable, black organelle at or near the centre of a cell when it is histologically stained. The nucleus controls the synthesis of proteins and enzymes, regulates cell division and growth, stores DNA, RNA, and ribosomes, controls the transcription of mRNA into proteins, and produces ribosomes.
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steven observes ducks on a pond going underwater for several seconds at a time before resurfacing. The ducks are most likely:
F. playing with the ducks
G. obtaining oxygen from the water
H. communicating with other ducks
J. feeding
The mechanism of natural selection changes all of the following except:
Answer:
imprinting
Explanation:
How has the microscope changed the world?
The microscope changed the world by assisting in the understanding of cells, bacteria, and other organisms, as well as evolution, genetics, physiology, and many industrial applications for human benefit.
What is a microscope?A microscope is a device that was artificially created to see small individuals that cannot be seen with the eye, and then advancements are made and various microscopes, such as the fluorescent microscope and other powerful microscopes that help see the cell, are invented and have applications in gene therapy, etc.
Hence, the microscope changed the world by assisting in the understanding of cells, bacteria, and other organisms, as well as evolution, genetics, physiology, and many industrial applications for human benefit.
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NEEEEDDDDD HELP ASAPPPP PLEASEEEEEE
Answer:
try watching the video you were given and see which ones it listed
Explanation:
i think its b, c, d, and f
Plants help the environment by supplying ________.
Answer:
oxygen
Explanation:
hope this helps
have a good day
what are the two glands in the endocrine system that secrete hormones?
Acid-Base Balance Cases pH = 7.50 CO2 = 47 HCO3- = 32 Is it acidosis, alkalosis or neither? Is the problem respiratory or metabolic in nature? Metabolic in nature. Is there any compensation occurring? Has the body tried to fix the problem?
answer and explanation
this question required us to interpret the atrial blood gas data provided.
from the information provided, this case is a case of alkalosis because the pH reading is 7.50. pH values less that 7.35 indicate acidosis and pH levels greater that 7.45 indicate a case of alkalosis.
this is a metabolic alkalosis because the HCO3 value is greater than 22 and it is fully compensated because of the high CO2
The offspring from asexual reproduced organisms are?
Answer:
Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent. A single individual can produce offspring asexually and large numbers of offspring can be produced quickly.
Explanation:
(not sure if this is what you wanted)
Brenda, a 56-year-old carpenter, injured her back years ago, had major surgery, and felt "normal" within 6 months. She returned to work and for 3 years was accident free. Then she reinjured her back four times within a 3-year period. Physical therapy and analgesia were unsatisfactory. She was referred to a multidisciplinary pain center when nothing seemed to control the pain, and she began missing too much work and could not pay her bills. At the pain center, she saw a medical doctor, a psychologist, a social worker, an occupational therapist, and a pharmacist. Her husband was involved in the pain assessment as well and was interviewed separately by team members. At the end of the day-long session, Brenda and her husband met with the team, who discussed their findings and detailed their treatment plan.
Why do you think the team involved her husband?
The team involved Brenda's husband in the pain assessment because his input can provide insight into her daily functioning, any pain-related behaviors, as well as how her pain has impacted their relationship.
The team involved her husband to discuss their findings and detailed their treatment plan. Brenda, a 56-year-old carpenter, had major surgery, reinjured her back four times within a 3-year period, and felt "normal" within 6 months after injuring her back years ago. Physical therapy and analgesia were unsatisfactory.
She was referred to a multidisciplinary pain center when nothing seemed to control the pain, and she began missing too much work and could not pay her bills.At the pain center, she saw a medical doctor, a psychologist, a social worker, an occupational therapist, and a pharmacist.
Her husband was involved in the pain assessment as well and was interviewed separately by team members. At the end of the day-long session, Brenda and her husband met with the team, who discussed their findings and detailed their treatment plan.
The team involved her husband to gain a more comprehensive understanding of Brenda's condition. Brenda's husband could provide details about her behavior, mood, and symptoms that she may not have shared herself. Brenda's husband may also have provided valuable information about Brenda's emotional state and lifestyle that could aid in developing a comprehensive treatment plan.
Additionally, the team could assess the impact of Brenda's condition on her husband and their relationship, which could also play a role in her recovery.
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why is going 55mph a good thing?
Answer:
Congress imposed the 55-mph limit in 1974 as a fuel-conservation measure, which it is; federal officials estimate it conserves about 9 million gallons of gasoline a day. ... The best estimate is that it has helped save the lives of about 36,000 people in the last five years
Which statements describe what happens when enzymes are added to a chemical reaction?
Select all that apply.
- The chemical reaction is sped up.
- The chemical reaction is stopped.
- The activation energy is lowered.
- The enzymes are used up.
Answer:
The chemical reaction is sped up.
The activation energy is lowered.
Explanation:
When enzymes are added to a chemical reaction, they lower the activation energy needed in the reaction.
In return, that also speeds up the chemical reaction, since less energy is needed to start it.
Enzymes do not stop chemical reactions, and enzymes can also be reused, so they are not used up.
So, the first and third statements are correct.
Answer:
The other person is right so you can give him brainly.
Explanation:
If the independent variable DOES effect the outcome of the experiment, the Chi-Squared value will be ______ the critical value because you are ________ the null hypothesis.
If the independent variable does affect the outcome of the experiment, the Chi-square value will be greater than the critical value because you are rejecting the null hypothesis.
What is Chi-square?The Chi-square is a statistical tool used to test the significant difference between two sets of similar data. It is an inferential statistical tool that can be used to test the acceptability or otherwise of null hypotheses.
The Chi-square value from data must be greater than the critical value in order for the null hypothesis of the experiment that serves as the source of the data to be rejected. The conclusion would be that there is no significant difference between the two sets of data.
On the other hand, when the critical Chi-square value is greater than the calculated value, the null hypothesis is accepted and the conclusion would be that there is no difference between the two sets of data.
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The diagram shows the life cycle of a fern.
Which labels belong in the areas marked 1 and 3?
1 - Zygote
3 - Spores
1 - Spores
3 - Zygote
1 - Sporophyte
3 - Gametophyte
1 - Gametophyte
3- Sporophyte
1
2.
3
Answer:C
Explanation:
what is it called if an ecosystem is changed by rising water temperature? Is it a physical, biological, or chemical change?
Which does an increase in eutrophication indicate to
scientists studying a body of water?
As atmospheric CO2 levels rise as a result of human activity, dissolved CO2 levels rise as well, which lowers the pH of water.
Which environmental elements are most likely to affect a freshwater system's quality?They are impacted by naturally occurring variations in lake levels, groundwater inflow and outflow, and stream flow rates. The condition of our rivers is also influenced by other elements, including forest fires, stormwater runoff patterns, and the location and volume of pollution sources.
What is eutrophication and how does it affect a body of water?The process of eutrophication, which happens when the environment becomes enriched with nutrients, increases the quantity of plant and algae development in estuaries and coastal waters, is what causes harmful algal blooms, dead zones, and fish kills.
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Question 19 A patient has a deficiency in bile salt and lecithin levels. What would be found in high concentrations in the small intestine in this condition? Cholesterol Micelles Free fatty acids 1 pt
In a patient with a deficiency in bile salt and lecithin levels, high concentrations of cholesterol would be found in the small intestine.
Bile salts and lecithin are essential components of bile, which is produced by the liver and stored in the gallbladder. Bile salts aid in the emulsification and digestion of fats in the small intestine by forming micelles, which facilitate the breakdown of dietary fats into smaller molecules for absorption.
Lecithin, a phospholipid, also contributes to the formation of micelles and helps in the solubilization of fats. When there is a deficiency in bile salts and lecithin, the emulsification and solubilization of fats are impaired. As a result, the digestion and absorption of dietary fats are compromised.
Without adequate bile salts and lecithin, fats cannot form stable micelles, leading to reduced fat absorption. This can result in an accumulation of undigested fats in the small intestine.
One of the components of dietary fats is cholesterol. In the absence of efficient emulsification and digestion of fats, cholesterol may be present in high concentrations in the small intestine since it cannot be properly absorbed and utilized.
Therefore, in a patient with bile salt and lecithin deficiency, high concentrations of cholesterol would be found in the small intestine.
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Scientists are creating a new variety of corn. They have two requirements: the new corn must resist pests and it must contain vitamins. What method will they most likely use to create this corn?
a. insert a gene from one cell into another
b. insert a gene from one organism into another
c. remove cell walls of plant cells in culture
d. remove a gene from a plant cell
Answer:
i think the answer is b.
Answer:
insert a gene from one organism into another
Explanation:
they must transfer a gene that is able to fight against pests, while also containing vitamins, to do this they'd need to transfer a gene with these traits from one organism into another
How would the DNA change if a base is not matched correctly?
Answer:
Explanation:
uncorrected mistakes may cause as cancer or serious bad things.
Why do giraffes have a recurrent laryngeal nerve that is 19 feet longer than the shortest route possible?
Giraffes have a recurrent laryngeal nerve that takes a longer route than necessary due to their evolutionary history. The recurrent laryngeal nerve is a branch of the vagus nerve that supplies motor function to the larynx (voice box) and sensory function to the area.
In all mammals, including giraffes, the recurrent laryngeal nerve originates in the brain and travels down the neck, looping around the aortic arch (a major blood vessel) before returning up to the larynx. Most mammals take this route. However, giraffes have a much longer laryngeal nerve.
The reason for this detour is thought to be an evolutionary remnant from the time when giraffes had shorter necks, similar to their ancestors. Over millions of years, giraffes evolved elongated necks to reach high foliage for feeding, but the nerve's pathway remained largely unchanged. The nerve still follows the ancestral route, even though it now has to travel a much longer distance due to the giraffe's neck elongation.
Th quirk of anatomy in giraffes is an example of what is known as "phylogenetic constraint" or "evolutionary baggage." It demonstrates that evolutionary changes in anatomy do not always occur in a way that optimizes efficiency or eliminates unnecessary features. In the case of the recurrent laryngeal nerve in giraffes, the long pathway is an unintended consequence of the gradual evolution process over a long period.
What is the role of transcription in protein synthesis?.
Answer:
Transcription is the process of making an RNA copy of a gene sequence. This copy, called a messenger RNA (mRNA) molecule, leaves the cell nucleus and enters the cytoplasm, where it directs the synthesis of the protein, which it encodes
Explanation:
In butterflies, black wings are dominant over yellow wings. Use the Punnett Square to determine the possible genotypes and phenotypes if you cross two heterozygous butterflies. Use the letter B for your alleles.
The genotypes are one BB, two Bb, and one bb and the phenotype is three black and one yellow wing butterfly.
What are the genotype and phenotypes of the offspring?The genotype and phenotypes of the offspring are determined using a Punnett square as follows:
Let B be black wing and b be yellow wings.
The cross between two heterozygous butterflies is:
Bb × Bb = BB, Bb,Bb, bbBlack is dominant over yellow wings.
Therefore, the genotypes are one BB, two Bb, and one bb and the phenotype is three black and one yellow wing butterfly.
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describe or draw a model to illustrate that cellular respiration is a chemical process whereby the bonds
of food molecules and oxygen molecules are broken and the bonds in new compounds are formed,
resulting in a net transfer of energy.
Cellular respiration is a chemical process that occurs in the cells of all living organisms. It involves the breakdown of food molecules, such as glucose, and the subsequent production of energy in the form of ATP (adenosine triphosphate)
What is cellular respiration?The process can be broken down into a few key steps:
Glycolysis: In the cytoplasm of the cell, glucose is broken down into two molecules of pyruvate, releasing a small amount of energy in the form of ATP and NADH (nicotinamide adenine dinucleotide).
Transition reaction: The pyruvate molecules then enter the mitochondria, where they undergo a transition reaction, which converts them into acetyl-CoA. This step also releases a small amount of energy in the form of ATP and NADH.
Citric Acid Cycle: Acetyl-CoA enters the citric acid cycle, where it is broken down further, releasing more energy in the form of ATP, NADH, and FADH2 (flavin adenine dinucleotide).
Electron Transport Chain: The NADH and FADH2 molecules produced in the previous steps are then used in the electron transport chain, which occurs in the inner membrane of the mitochondria. Here, electrons are transferred to oxygen molecules, which results in the production of water and the release of a large amount of energy in the form of ATP.
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One way carbon dioxide enter the atmosphere
by burning fossil fuels
Examine the Punnett square below.
B
B
B
BB
BB
b
Bb
Bb
Which of the following choices gives the alleles of the parents shown here?
BB and BB
BB and Bb
Bb and Bb
Bb and bb
Answer:
Hi, there the answer is BB and Bb
Explanation:
By looking at the Punnett square, the alleles of the parents are BB and Bb. So, the correct option is B.
What do you mean by Alleles?Alleles may be defined as the ultimate combination of one or two or more alternative forms of genes.
The Punnett square which is described below clearly demonstrates the allele BB on the horizontal side, while the alleles Bb on the vertical side.
Therefore, the correct option for this question is B.
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Define the words condensation and evaporation.
Answer:
Condensation is the process through which the physical state of matter changes from the gaseous phase into the liquid phase.
Evaporation is the process through which the physical state of matter changes from the liquid phase to the gaseous phase.
Which of these pairs does not correctly match a carbohydrate with its function?
Of the available options, the first one states that cellulose is a structural part of the hair, this is not correct for several reasons, first cellulose is a biopolymer characteristic of cellular walls in plants, and it's not present in animal cells, secondly human hair is formed mainly of keratin a protein, therefore their basic units are amino acids, not carbohydrates. Therefore taking this into consideration, the correct answer is option 1.
Prokaryotes that use light for their energy source and co2 for their carbon source are called _____.
Answer:
Photoautotrophs
Explanation:
Photoautotrophs are cells that capture light energy, and use carbon dioxide as their carbon source. There are many photoautotrophic prokaryotes, which include cyanobacteria. Photoautotrophic prokaryotes use similar compounds to those of plants to trap light energy.
Which of the following types of models could be used to represent a cell?
a
idea model
b. physical model
С. computer model
d all of the above
Please select the best answer from the choices provided
A
ΟΟΟΟ
Answer:
I would say D- all of the above.
Explanation:
what are characteristics of the conducting passages of the bronchial tree as air moves from the primary bronchi to the alveolar ducts?
The width of the conducting channels is smaller and there is less cartilage in the bronchioles.
Bronchioles- Smaller and smaller passages, known as bronchioles, branch out from the major airways (bronchi), leading to air sacs (alveoli).
Alveoli- Small air sacs near the bronchioles' ends (tiny branches of air tubes in the lungs). While breathing in and out, oxygen and carbon dioxide are exchanged between the blood and alveoli in the lungs.
Cartilage- The body's supporting connective tissue, cartilage, is a non-vascular form that may be found everywhere. Due to its avascularity and less ordered microarchitecture than bone, cartilage is a loose connective tissue that varies from bone in a number of ways.
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Why is our central dogma the most important piece to our functionality in life?
Answer:
The central dogma of molecular biology describes the flow of genetic information in cells from DNA to messenger RNA (mRNA) to protein. Because the information stored in DNA is so central to cellular function, the cell keeps the DNA protected and copies it in the form of RNA.
Explanation:
The central dogma of molecular biology states that DNA contains instructions for making a protein, which are copied by RNA. RNA then uses the instructions to make a protein. In short: DNA → RNA → Protein, or DNA to RNA to Protein.