cells use DNA as their design plans for proteins. The information in DNA is copied into mRNA, which then serves as a template for protein synthesis. The ribosome reads the sequence of nucleotides on the mRNA molecule and uses this information to assemble a protein molecule from a chain of amino acids.
When a cell needs to produce a particular protein, it makes a copy of the DNA segment corresponding to that protein, known as a gene. This copy is then used as a template for the synthesis of a molecule called ribonucleic acid (RNA).RNA serves as an intermediary molecule between DNA and protein. There are three types of RNA: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA).mRNA carries the genetic information from the DNA in the nucleus to the ribosomes, the sites of protein synthesis in the cell.
The ribosome reads the sequence of nucleotides on the mRNA molecule and uses this information to assemble a protein molecule from a chain of amino acids. tRNA molecules act as adaptors between the mRNA sequence and the amino acids that make up the protein chain. rRNA molecules form the core of the ribosome structure and catalyze the chemical reactions that join the amino acids together. This process is known as translation.
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Plant cells have a large central vacuole that hold water and can swell, which then results in other cell organelles being pushed against the cell membrane. Which of the following best explains how being close to the cell membrane could benefit a cellular process?
A. Nucleotides would have more access to space in the cytosol and become more concentrated, benifiting DNA replication.
B. Ribosomes would have more access to space in the cytosol and make more proteins, benifiting protein synthesis.
C. Mitochondria would have more access to glucose to convert into ATP, benifiting cellular respiration.
D. Chloroplasts would have more access to light energy to convert carbon dioxide and water in glucose, benifiting photosynthesis.
hi
D
is true
Well now check yourself please
Chloroplasts would have more access to light energy to convert carbon dioxide and water into glucose, benefiting photosynthesis. So the correct option is D.
What is a central vacuole?
A core vacuole that is hydrated. This organelle, which is surrounded by a single membrane, serves as a reservoir, waste disposal site, storage area, and even a way to maintain the cell's form. When the vacuole is completely filled with water, it pulls the cytoplasm into a narrow strip next to the membrane and expands like a balloon filled with water.
This turgor pressure maintains the cell's rigidity and gives plant structures like leaves their distinctive shapes. Long-term dehydration of a plant causes the central vacuoles to lose water, the cells to deform, and the entire leaf to wilt. In the vacuole, plants frequently store carbohydrates, ions, certain proteins, and sporadically pigments.
For instance, the pigments created and deposited in the central vacuole give flower petal cells their distinctive hue. In addition to making the plant poisonous to herbivorous animals, poisonous substances that might injure the cytoplasm are discharged into the vacuole.
Therefore, the correct option is D.
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If the 3 proteins in the Blue sample had MW's of [1] 87,000 Daltons, [2] 30,000 Daltons, [3] 15,000 Daltons; what is the MW of the protein in the 2nd band (counting from the origin) of the Green sample
Since the protein in the 3rd band of the Blue sample has a MW of 15,000 Daltons, we can estimate that the protein in the 2nd band of the Green sample also has a MW of approximately 15,000 Daltons.
In this case, we are given the MWs of three proteins in the Blue sample, but we need to determine the MW of a protein in the Green sample. To do this, we need to compare the migration distance of the protein in the Green sample to the migration distances of the proteins in the Blue sample.
Assuming that the gel used for both samples is the same, we can use the relative migration distances of the proteins to estimate their MWs. Let's say the protein in the 2nd band of the Green sample migrated the same distance as the protein in the 3rd band of the Blue sample. Since the protein in the 3rd band of the Blue sample has a MW of 15,000 Daltons, we can estimate that the protein in the 2nd band of the Green sample also has a MW of approximately 15,000 Daltons.
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HELP PLS I WILL SUK UR TOES IF U HELP ME
Certain strains of bacteria that were killed by the antibiotic penicillin in the past are now resistant. The probable explanation for this is that
Answer:
b
Explanation:
Question and Answer options in photo.
Zoom in if needed
Help :(
Answer:
I belive that the answer is B
Explanation:
I believe that it's B because if the rabit population continued to grow then it will allow the soil to become more fuirtle because of the dropings that the rabbits leave behind. This would cause more plants and growth in the habitat, which would lead to economic growth
I hope this helps!
species with the same plumage color; a single species colonized each island and then subsequently diverged into red and blue plumage species
The process of speciation is a complex one that can lead to the formation of new species with distinct characteristics. In the case of the red and blue plumage species, it is likely that they diverged due to genetic mutations that allowed them to adapt better to their respective environments.
When we talk about the evolution of species, it is not uncommon for a single species to colonize different regions and subsequently diverge into different groups with distinct characteristics. In the case of the question, we have a scenario where a single species colonized each island, and over time, they diverged into two different species with red and blue plumage.
This process is known as speciation and can occur due to various factors such as geographic isolation, changes in environmental conditions, or genetic mutations. When a group of organisms is separated from the main population, they may develop distinct characteristics that allow them to adapt better to their new environment. Over time, these differences may become so significant that the two groups can no longer interbreed, resulting in the formation of separate species.
In the case of the red and blue plumage species, it is likely that the two groups evolved different colors as a result of genetic mutations that were beneficial to their survival in their respective environments. As a result, they became genetically distinct from each other, and their physical characteristics, including plumage color, became a defining feature of their respective species.
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Drag each measure to the correct location on the table.
Classify each measure as a measure of center or a measure of variation.
To classify each measure as a measure of center or a measure of variation, follow these steps:
Step 1: Identify the measures given in the question. Unfortunately, you have not provided the measures or the table, so I will provide some common measures as examples.
Measures:
a) Mean
b) Median
c) Mode
d) Range
e) Interquartile Range (IQR)
f) Standard Deviation
Step 2: Classify each measure into one of the two categories: measure of center or measure of variation.
a) Measure of Center: Mean, Median, Mode
b) Measure of Variation: Range, Interquartile Range (IQR), Standard Deviation
Step 3: Place each measure in the correct location on the table (Unfortunately, without the table provided, I am unable to place the measures for you.)
Measures of center (Mean, Median, and Mode) are used to describe the central tendency of the data, while measures of variation (Range, Interquartile Range, and Standard Deviation) are used to describe the spread or dispersion of the data. By classifying each measure and placing it in the correct location on the table, you can better understand the properties of the data being analyzed.
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nutrient sensing by the intestinal epithelium orchestrates mucosal antimicrobial defense via translational control of hes1
Nutrient sensing by the intestinal epithelium plays a vital role in coordinating mucosal antimicrobial defense through translational control of the Hes1 gene.
The intestinal epithelium acts as a crucial barrier between the gut lumen and the body's internal environment, protecting against invading pathogens. Recent studies have shown that the intestinal epithelium not only serves as a physical barrier but also possesses the ability to sense nutrient availability and regulate immune responses.
One key player in this process is the Hes1 gene, which is involved in the Notch signaling pathway. The Notch pathway plays a significant role in cell fate determination and tissue homeostasis. Research has revealed that the intestinal epithelium senses nutrient levels and adjusts Hes1 expression through translational control.
By modulating the translation of Hes1, the intestinal epithelium can regulate the production of antimicrobial peptides and proteins that aid in mucosal defense. This coordination ensures an appropriate immune response to microbial challenges while maintaining intestinal homeostasis.
The ability of the intestinal epithelium to sense nutrients and orchestrate mucosal antimicrobial defense through translational control of Hes1 highlights the intricate interplay between nutrient metabolism, immune regulation, and barrier function in the gut.
Understanding these mechanisms can provide insights into the development of therapeutic strategies targeting the gut microbiome and intestinal health.
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Prokaryotes have the ability to make energy from food (such as sugar). Some even
have the ability to perform photosynthesis (and make their own food). Where do
ou think these processes take place in the organism?
2
34.5
6
7.8.9.
Transcription = DNA to RNA
A pairs with U
T pan's with A
C pairs with G
А
G
A
G
C G
A TA AC
DNA
mRNA
G C A
с
G
DNA
mRNA
GT
A
DNA
mRNA
add speaker notes
AAGCTG IN mRNA is going to be UUCAC. on GACGGT is gonna be CTGCCA
the transition temperature, tm, for a sample cell's membrane was found to be much higher than a reference cell's membrane. what can be said about the membrane contents of each based on this experiment?
The sample cell probably has more cholesterol than the reference cell does.
How cholestrol affects sample cell?The sample cell is most likely to contain less saturated fat than the reference cell; it is also most likely to contain more cis-fatty acids than the reference cell. reference cell; The sample cell is likely to have more polyunsaturated fatty acids than the reference cell.
What is transition temperature?
The transition temperature is the temperature at which a substance changes from one crystal state (allotrope) to another.
Cell of reference?A reference electrode is an electrode having a known electrode potential .The reference electrode can function as a half cell in an electrochemical cell. The electrode potential of the other half cell can be found when the reference electrode functions as a half cell.
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2. Natural selection is an example of a mechanism of
evolution. Does this mechanism produce a change in
individuals or populations? Explain!
Answer:
Populations
Explanation:
It cannot change individuals. This is because it happens over many generations. E.g. Peppered moths camouflage with bark. Black moths do not, so they are easily seen by predators. The black moths are eaten because they do not have a desirable trait for survival. The black moths cannot then pass on the trait for black wings to their offspring. However, the peppered moths can pass on their trait for peppered wings to their offspring. Overtime, the population of black moths will decrease and most of the population will have peppered wings. The trait for peppered moths will be present even after many generations and black moths will be rare.
Which formula is a hydrocarbon?
O H20
O CaCl2
CH4
CO2
Nach
Answer:
None of tbe option is correct.
Explanation:
Hydrocarbons have genral formula
Cn(H2O)n
n is the number of carbon atoms.
Sponges are some of the simplest animals on Earth. Why do they fit the definition of animals? Why are sponges
different from plants or fungi?
Answer:
cause the sponge eat phytoplankton and zooplankton.
Explanation:
The zooplankton count as an animal, a plant can't eat an animal that's why the sponge count as an animal.
Please help
if you were traveling to a tropical country, why do you think its good to understand about protozoans?
Answer:
Protozoans can be parasitic. Malaria is the most significant of the protozoan parasites that infect humans. Malaria is found in tropical and sub-tropical regions of the world. In addition, tropical countries are often affected by poverty, poor sanitation, and inadequate medical facilities. These factors often increase the transmission of parasitic diseases.
what is the whales closest living relative? Give reasons why you choose this animal?
ANSWER NOW PLEASE!!
Answer:
Hippos and whales may look different in many ways, but they are actually each others' closest living relatives—sharing a common ancestor that lived about 55 million years ago.
Which level of organization is best represented by the liver?
Answer:
Organ level– an organ is a structure composed of at least two different tissue types that perform a specific function within the body. Examples include the brain, stomach, and liver. Complex functions begin to emerge at this level.
Explanation:
explain how derived characteristics can be lost by defining the terms and providing examples of each
Answer:
A derived character is a trait that arose in the most recent common ancestor of a particular lineage and was passed along to its descendants. Whether or not a character is derived depends on the level at which you're grouping organisms. Four limbs, for example, is a derived character for the clade tetrapoda.
bones can be classified according to shape. what is the classification of the calcaneus bone of the foot?
The calcaneus bone of the foot is classified as a short bone.
Short bones are generally cube-shaped or have a box-like appearance. They are characterized by having a spongy or cancellous bone tissue covered by a thin layer of compact bone. Short bones are found in locations that require limited motion but need strength and stability. Examples of short bones include the carpals in the wrist and the tarsals in the foot.
The calcaneus bone, also known as the heel bone, is the largest tarsal bone in the foot. It forms the prominence of the heel and plays a crucial role in weight-bearing and shock absorption during walking and running. Its unique shape and structure make it well-suited for its functions in supporting the body's weight and providing a stable base for locomotion.
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A+power+plant+owner+pays+$7million+per+year+for+a+power+plant.+with+a+fixed+charge+rate+of+12%,+what+is+the+cost+of+construction+for+this+plant?
The cost of construction for the power plant can be calculated by dividing the annual fixed charge rate by the percentage and multiplying it by the annual cost paid by the power plant owner.
The fixed charge rate of 12% represents the percentage of the cost of construction that needs to be covered each year. To determine the cost of construction, we can divide the annual cost paid by the power plant owner ($7 million) by the fixed charge rate (12%). Mathematically, this can be expressed as follows:
Cost of Construction = (Annual Cost / Fixed Charge Rate) * 100
Cost of Construction = ($7 million / 12%) * 100 = $58.33 million
By calculating this expression, we can find the cost of construction for the power plant i.e. $58.33 million.
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Make a hypothesis about how you think the two species of Paramecium will grow alone and how they will grow when they are grown together.
Which idea did Ptolemys model use to explain why the planets appeared to move backward as they moved in thier orbits
Answer:
C
Explanation:
C. the planets revolved around the sun
Check all the characteristics below that describe ATP.
Check all that apply.
Answer:
A: stands for “adenosine triphosphate”
B: is an energy molecule
C: contains two phosphates
D: contains energy in phosphate bonds
Answer:
B.
ATN and RTD
D.
BTD and ATP
Explanation:
Please help me!!! It must be one detailed paragraph long.
The process of respiration can be divided into the cellular view to the general (cellular respiration to external respiration). Going from the cellular till the external we have:
1- Cellular respiration
Is the aerobic process by which living cells break down glucose molecules to form energy in the from of ATP, that can be divided in three stages, these are: glycolisis (break of glucose into pyruvate), Citric Acid Cycle (Krebs Cycle), and electron transport chain. In this respiration the cell machinery is responsible for from glucose and oxygen form water and carbon dioxide. All the process is intracellular.
2- Internal respiration
The internal respiration is the process of the exchange of gases between the cells and the tissues (internal environment of the body) by the blood vessels and the circulation od red blood cells that carry these gases (oxygen and carbon dioxide). The path of this process is: nose/mouth, pharynx, larynx, and trachea will have the cells oxigenated, the trachea branches and the bronchi will lead to the lungs when the gases exchanges in the tissue will happen. The red blood cells will do the local capture of the gases and the circulatory system will make those cells go to all the tissues in the body.
3- External respiration
The external respiration is the exchange of gases with the external environment. That process occurs in the lungs where the oxygen diffuses into the blood and carbon dioxide into the alveolar air. The internal and external respiration work together in the overall respiratory process, but one happen in the tissues and the other between external environments.
4- How they work together?
The three process are essential for breathing, that's because they work into different levels of tissue and systemic organization. The cellular is the one in the cells that provide the biochemical reactions necessary to the synthesis and conversion of molecules, being the metabolic basis for the respiration to take place, the internal respiration is responsible to distribute the gases into the tissues to make the cellular step possible, while the external respiration makes possible the exchange outside the tissues levels and makes possible to balance the distribution and concentration of the gases in the body.
What is the purpose of anaphase?
A) to assist the DNA in forming proteins and chromosomes
B) to promote the growth of new chromosomes within the cell
C) to provide space within the cell for chromosomes to move around
D) to ensure that each daughter cell gets a complete copy of the parent’s DNA
Answer:D
Explanation:
Answer:
d is the correct answer
Explanation:
( I WILL GIVE BRAINLIEST IF YOU GET IT RIGHT!!!!!)
Are sea sponges closer in relationship to humans, boxwood shrubs, paramecium, or moss? Explain using evidence to support your claim.
Answer:
Humans
Explanation:
A new research now suggests that possibly the entire animal kingdom, including humans, shares important genetic mechanisms with sea sponges. Now published in the journal Science, the discovery has been made by a team of scientists led by Dr. Emily Wong from the Victor Chang Cardiac Research Institute and UNSW Sydney.
Carbon can enter the environment when oganisms die and ?
Answer:
Volcanoes erupt, fossis fuels are burned, fires blazed.
Explanation:
⚠️⚠️⚠️⚠️Hellppp⚠️⚠️⚠️⚠️
The diagram below shows a basic steps involved in respiration glucose in a carbohydrate what we act with glucose in order to complete the steps
A oxygen
B carbon dioxide
C nitrogen
D hydrogen
thickening and multilamellation of the glomerular basement membrane is virtually pathognononic alport
The statement "thickening and multilamellation of the glomerular basement membrane is virtually pathognomonic in Alport syndrome" means that the thickening and formation of multiple layers in the glomerular basement membrane are highly characteristic and almost exclusive to Alport syndrome.
In Alport syndrome, a genetic disorder affecting the kidneys, the glomerular basement membrane (GBM) undergoes changes that can be observed under a microscope. One of these changes is the thickening of the GBM, which means that the membrane becomes abnormally wider than usual. Another change is multilamellation, which refers to the formation of multiple layers within the GBM. These layers can be seen as parallel lines when viewed under a microscope. The term "pathognomonic" means that the presence of thickening and multilamellation in the GBM is highly specific to Alport syndrome. It is a characteristic feature of the condition and is rarely seen in other kidney diseases.
To summarize, in Alport syndrome, the glomerular basement membrane shows thickening and multilamellation, which are unique to this condition. These changes can be observed under a microscope and are helpful in diagnosing Alport syndrome.
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What are the four reasons why Mendel choose garden pea for his experiment?
Mendel chose garden pea for his experiment because they have shorter life span, are bise-xual, self pollinating and have visible physical characteristics.
Mendel conducted a lot of experiments during his study in genetics. He considered garden pea ideal for his experiments for a number of reasons. The first reason being that garden pea has a short life span and because of this they are able to grow very quickly and are easy to maintain. The second reason is that they have visible physical characteristics which makes them easy to observe and study.
The other two reasons being that garden peas have bise-xual flowers and because of this, these garden peas are self-pollinating. They do not need another plant for pollination and can also easily cross pollinate.
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Which hypothesis was Louis Pasteur trying to confirm through his work?
A. All organisms are made up of cells.
B. New cells come from preexisting cells.
C. Animal cells are different from plant cells.
D. Most plants are not unicellular organisms.