Answer:
Vestigial organs or vestigial structures
Explanation:
Vestigial organs or vestigial structures are organs, tissues or cells in a body which are no more functional but their structural remains still exist in the body. They are evidence of evolution in a specie.
what happens to species with higher resilience as compared to species with lower resilience?
Species with higher resilience have higher chances of survival as compared to species with lower resilience.
Resilience rate refers to the ability to rebuild following damage. When damaged, species with a higher degree of resilience quickly recover, increasing their chances of surviving. Any harm to a species caused by an internal element, such as sickness, or an external factor, such as food or climate change, can cause a species with a lower rate of resilience to collapse.
The capacity to respond effectively to adversity, trauma, tragedy, threats, or severe causes of stress is known as resilience. The idea of resilience has been used to describe a variety of systems, from cells to entire organisms.
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Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. Which technique would NOT be used by a genetic scientist to produce new genetic variations in a lab?
A. Transforming bacteria with engineered plasmids.
B. Using lasers to cut and paste DNA.
C. Inducing mutations with chemicals or radiation.
D. Inserting genes using viruses as vectors.
Answer:
I'm fairly sure it's D.
Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. The technique would not be used by a genetic scientist to produce new genetic variations in a lab is transforming bacteria with engineered plasmids. Thus, option A is correct.
What is the main function of the plasmid in a prokaryotic cell?The main function of the plasmid in a prokaryotic cell is that the plasmids contain genetic material and generally Plasmids are organelles mostly found in prokaryotes such as bacteria. They are also found in some eukaryotes.
Plasmids have the ability to replicate on its own and they are used in replication processes of prokaryotes and help in the survival of the cell.They are small double stranded DNA molecule which is entirely different from the main cell DNA. Both the enzymes DNA polymerase I and DNA polymerase III involved in the process of DNA Replication with specialised functions.
Therefore, Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. The technique would not be used by a genetic scientist to produce new genetic variations in a lab is transforming bacteria with engineered plasmids. Thus, option A is correct.
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How long are dogs pregnant.Nothing personal
Answer:
58 – 68 days or about 2 months
in eukaryotes, where do transcription regulators bind? group of answer choices downstream of a gene. upstream or downstream of a gene. at the promoter region, near the tata box. upstream of a gene.
In eukaryotes, transcription regulators bind at the promoter region, near the TATA box.
In eukaryotes, the promoter region is present upstream near the TATA box. The promoter region is the site recognized by the RNA polymerase and where it binds so that transcription can occur.
The transcription factors also bind to the promoter region, so transcription initiation occurs. These transcription regulators are referred to as transcription factors. Transcription can be described as a process in which information from the DNA is coded into mRNA.
Mostly, the promoter sequence is placed near to the gene that is to be transcribed.
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i need help i have to submit in 20 minutes!!!
Answer:
Cell 1
Explanation:
The Golgi Complex is responsible for sorting and packaging proteins and lipids.
Answer:
A. Cell 1
Explanation:
The Golgi apparatus is located at the base of the cell and serves as a place where proteins are added to lipids, which are then transported to other parts of the cell. It also contains enzymes that break down proteins, carbohydrates and lipids. The Golgi apparatus can be found in most eukaryotic cells.
PLEASE HELP DUE SOON
What is the lowest possible elevation of the lake?
Answer: The lowest depth shown on this map of Lake Ontario is 700 feet. The closest marker to this depth is the letter E.
Explanation: This topographical map of Lake Ontario displays each numerical depth in feet.
what respiration that uses oxygen
PLEASE HELP HAVE INTIL 12:00 AND I STILL HAVE OTHER CLASSES TO DO PLEASE HELP!!!!!! 2. Explain how your investigation provides evidence for a feedback mechanism that
supports homeostasis. In your answer, identify body systems that likely control
this feedback mechanism. (1 point)
Feedback mechanism helps investigating homeostasis through negative feedback loop.
What is homeostasis and what mechanism is followed to maintain homeostasis?Homeostasis is the phenomena body follows to maintain the constant internal temperature.Homeostasis is the constant internal environment maintained by the human body for better survival.Feedback mechanism is the mechanism to be followed by body to maintain homeostasis.For example if the body temperature drops below the comfort zone feedback recieved is negative .Negative loop sent responded by increasing the temperature and bringing comfort to internal environment .To know more about homeostasis visit:
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20 points
Examine the graph below. A crystalline substance is added to a beaker filled with water. The crystals dissolve, and a precipitate is formed. The bottom of the beaker is
too hot to touch. The temperature is monitored and the temperature data is shown on the graph below. At which time did the temperature first reach 65C?
The is time when temperature first reach 65C is 40
What is temperature?
A physical measure that describes how hot a substance or radiation is is called temperature.
There are three different types of temperature scales: those, like the SI scale, that are defined in terms of the average translational kinetic energy per freely moving microscopic particle, like an atom, molecule, or electron, in a body; those that only rely on strictly macroscopic properties and thermodynamic principles, like Kelvin's original definition; and those that are defined by practical empirical properties of particulates rather than by theoretical principles. With a thermometer, temperature is measured. It is calibrated in a number of temperature scales that historically defined themselves using different reference points and thermometric substances.
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The Karner blue butterfly has been listed as an endangered species since 1992. Karner blue butterfly larvae feed only on wild lupine plants, which
require a habitat with dry soil and exposure to direct sunlight.
Which of the following would be the best habitat for wild lupine that could help Karner blue butterfly populations recover?
A a mountain top that is covered in snow
Ba river bank that was flooded by high water
an open area in a forest that was cleared by a fire
Dan isolated area in a jungle that has many large trees
50.0
Answer:
c. an open area that was cleared by a fire
The structure in the brain that, when damaged, causes rats to eat and eat and eat is called the __________.
Answer:
Ventromedial hypothalamus
Explanation: When the ventromedial hypothalamus is damaged, an individual cannot feel sated after eating. This lack of satiety causes excessive hunger, and overeating. Hope this helped :)
PLEASE HELP!!‼️‼️‼️
the synthesis of proteins takes two steps *BLANK* and *BLANK*
transcription takes the information encoded in DNA and encodes into mRNA ,which heads out of the cells nucleus island into the *BLANK*.During translation, the mRNA works with a *BLANK* and tRNA to synthesize proteins. the first step in transcription is the partial unwinding of the DNA. once the DNA molecule is unwound at the correct location and enzyme called *BLANK* helps line up nucleotides to create a *BLANK* strand of mRNA.since mRNA is a *BLANK* -stranded molecule ,only one of the 2 strands of DNA is used as a template for a new RNA strand.
in translation mRNA is sent to the cytoplasm where it bonds with ribosomes the sites of *BLANK* . once the mRNA is in place *BLANK* each associated with specific amino acids , bind to the ribosomes in the right order.At its head tRNA has 3 nucleotides that make up an anticodon .translation begins with the binding of the mRNA chain to the ribosome. the first codon is always the start codon *BLANK* . the ribosome now slides down the mRNA.the appropriate tRNA carrying the appropriate amino acid pairs based with this next codon. A *BLANK* is formed between the 2 adjacent amino acid help by tRNA molecules forming the first 2 links of a chain. the process continues until one of the 3 *BLANK* condons appears. At that point the protein chain connected to the tRNA is released. translation is complete
•word bank•‼️‼️ transcription, cytoplasm , ribosome , protein synthesis ,tRNA molecules, single ,complementary, translation ,stop ,methionine, peptide bond , RNA polymerase.
Answer:
CORRECT ANSWERS !!
Transcription and translation
which heads out of the cells nucleus and into the Answer: Cytoplasm
During translation, the mRNA works with a Answer: ribosome
an enzyme called Answer: RNA polymerase
helps line up nucleotides to create a Answer: complementary
Since mRNA is a Answer single
where it bonds with ribosomes, the sites of Answer: protein synthesis.
Once the mRNA is in place, Answer: tRNA molecules
is always the start codon Answer: methionine,
A Answer peptide bond---- is formed between the amino acid attached to the tRNA
The process continues until one of the three Answer: stop
Explanation:
Compare and contrast plant and animal cells. Give 3 ways they are alike and 3 ways they are different.
Answer:
1. They both have a cell membrane
2. They both contain cytoplasm
3. They both have mitochondria
1. Plant cells have a cell wall where as animal cells don't have a cell wall.
2. Plant cells have larger, less number of vacuoles and animal cells have smaller, plenty vacuoles.
3. Plant cells have chloroplasts while animal cells don't contain them.
Answer:
Plant and animal cells are similar in many ways, but they also have some key differences. Here are three ways they are alike and three ways they are different:
Ways plant and animal cells are alike:
Both plant and animal cells have a cell membrane that surrounds the cell and regulates what goes in and out.
Both types of cells have a nucleus that contains the cell's genetic material.
Both types of cells have mitochondria, which are responsible for producing energy.
Ways plant and animal cells are different:
Plant cells have a cell wall made of cellulose, which provides structure and support, while animal cells do not.
Plant cells have chloroplasts, which are responsible for photosynthesis and contain chlorophyll, while animal cells do not.
Plant cells often have one large central vacuole, which stores water and helps maintain turgor pressure, while animal cells have smaller vacuoles, if any, which are used for storage and transport.
Yvonne lives in an inner-city neighborhood that has installed urban gardens for residents. At the end of the day, Yvonne looks out of her apartment
window onto the vines that are slowly creeping up their supports. She sighs and feels a sense of calm and connection. Which aspect of Yvonne's health
is being MOST affected by the work she does in the urban garden?
O A. physical
B. emotional
O C. environmental
O D. occupational
Yvonne's Emotional health is being most affected by the work she does in the urban garden.
Emotional health is about how we think and feel. It is about our sense of wellbeing, our ability to cope with life events and how we acknowledge our own emotions as well as those of others. Emotional health allows you to work productively and cope with the stresses of everyday life. It can help you realize your full potential. It helps you work with other people and contribute to society. It also affects your physical health.
Depression, anxiety, stress, poor body image, grief, loss, a major change in your life such as becoming a new parent can all affect your mental and emotional health in day to day living.
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Answer:
emotional
Explanation:
Which of the following monomers is correctly paired with the macromolecule it
forms?
ONucleotide Nucleic Acids
O Monosaccharide - Protein
O Fatty Acid-Carbohydrate
O Amino Acids - Lipids
Answer:
no. 2 is a right answer.
Explanation:
Monosaccharide- Protein.
Do you think it is possible to capture energy from photosynthesis for human use?
Answer:
no i do not
Explanation:
my reasoning is plants function differently then the human body our bodys need food sunlight wouldnt be enough form of energy to fully function
What type of lipid polymer make up a hormone
Answer: Cholesterol i believe
Explanation:
Scientists classify rocks into three different types. What is the main basis for the classification system they chose?
A. color of rock
B. shape of rock
C. how the rock formed
D. who the discovered the rock
Answer:
C. How the rock formed
Explanation:
It was right trust me
Pine trees that are too tall or too short do not do as well as pine trees that are average in height. How is this an example of stabilizing selection?
Stabilizing selection is a condition where extreme traits have a negative outcome in the indivuals of a population, therefore the average value of the trait has the advantage. In this example, pine trees that are in the extremes of height (either tall or short) might have physiological disadvantages. On the other hand, pine trees with average height might escape this issues. For example, tall trees might have troubles with water transport, while short trees might have troubles with getting enough sunlight exposure. Average pine trees would not have disadvantages in either of the physiological examples described. With time, this trees (average height) will dominate in the population structure, whereas the other type of trees while be diminished.
why has the miracle of synthetic fertilizers in some way become too much of a good thing?
The use of synthetic fertilizers could be seen as too much of a good thing as it could also lead to pollution of some sorts.
What are synthetic fertilizers?The term synthetic fertilizers are those fertilizers that are produced artificially. This is different from the type of fertilizers that are produced from organic materials. Those kind of fertilizers are generally called the organic fertilizers.
Now, when we make use of synthetic fertilizers, there is the likelihood that they could be washed into natural water bodies where they could pollute them and cause an overgrowth of the weeds and the consequent death of the lake.
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cancers cells with accumulation of other associated cells including tumor associated fibroblast, immune suppressive and immune modulatory, cell make a mass of cell environment called tumor microenvironment (tme).
True, the environment surrounding a tumor, including nearby blood arteries, immune cells, fibroblasts, signaling molecules, and the extracellular matrix, is known as the tumor microenvironment (TME) (ECM).
The microenvironment around the tumor and the tumor itself are intertwined and continually interacting. By generating extracellular signals, boosting tumor angiogenesis, and inducing peripheral immunological tolerance, tumors can have an impact on the milieu, whereas immune cells in the microenvironment can influence the development and spread of cancerous cells. The tumor interacts closely with the surrounding microenvironment, which is known to profoundly impact tumor progression by influencing processes that lead to tumor eradication, increased metastasis, or the establishment of dormant micrometastases.
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Which product of photosynthesis is released into the atmosphere?
Answer:
Oxygen! Oxygen is the waste product of plants and ends up in the atmosphere, which allows animals to breathe.
Imagine you are in a laboratory. You are exploring the following reaction: A + B → C
When product C is created, bubbles form. When 10mL of A is added to 10mL of B, the reaction takes twenty seconds. Your teacher gives you three unknown substances (X, Y, and Z), one of which is a catalyst for the reaction.
Design an experiment to test substances X, Y, and Z to determine which one is a catalyst for the reaction.
When A and B are reacted and the time taken is measured, the substance marked X, Y, and Z are added and the one that causes the reaction to occur fastest is the catalyst.
What is the experiment?In order to understand what we mean by an experiment, we have to find out that know that it is through an experiment that we can be able to know the relationship between a given cause and an effect. It is thus apt to say that by the use of an experiment, we can be able to determine a cause and effect relationship.
Having said this, we are asked to Design an experiment to test substances X, Y, and Z to determine which one is a catalyst for the reaction. We now need to use the same amounts of A and B and add in each case, only a little drop of the substances X Y and Z. The substance that causes the reaction to occur in the least time is the catalyst.
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a new restriction endonuclease is isolated from a bacterium. this enzyme cuts dna into fragments that average 4,096 base pairs long. like many other known restriction enzymes, the new one recognizes a sequence in dna that has twofold rotational symmetry. from the information given, how many base pairs of dna constitute the recognition sequence for the new enzyme?
For the identification of cleavage or cutting capacity of the particular newly isolated restriction endonuclease enzyme, we can provide the entire known nucleotide sequence during restriction activity, after that we can do sequencing for the analysis of at which specific position DNA is cutting down by that particular restriction enzyme.
Sequencing is the method used to know the genomics size of long as well as short stretch of DNA results in a shorter time period. There are two types of sequencing, first is ancient sequencing techniques such as Sanger sequencing and second one is next generation sequencing. Nowadays the next generation sequencing method is widely used for sequencing. These next generation sequencing is totally based on computer based technique.
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In pea plants sead color green is dominant to yellow and seed shape round is dominant to wrinkled. In di hybrid cross produces 800 seads in F2 generation.
Out of 800 seeds how many will be Green and Round
a.450
b.150
c.50
d.400
In the illustrated dihybrid cross, out of 800 seeds, 450 would come out green and round.
Dihybrid crossAssuming the seed color allele is represented by A and the seed shape allele is represented by B.
At F1: AABB x aabb
AaBb
At F2: AaBb x AaBb
Genotype ratio of Offspring:
A_B_: green and round = 9
aaB_: yellow and round = 3
A_bb: green and wrinkled = 3
aabb : yellow and wrinkled = 1
Thus, the chance of producing green and round seeds from the F2 cross is 9/16.
With 800 seeds produced:
800 x 9/16 = 450
In other words, out of 800 seeds, 450 of them would be green and round.
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How has the sun caused changes in global and hemispheric temperatures over the past millennium?.
Changing solar output is most likely responsible for relatively high Northern Hemisphere temperatures during 1000-1100 A.D. and relatively low Northern Hemisphere temperatures during 1600-1700 A.D.
Recreations of the most recent 1,000 years have been finished with a few distinct models. A portion of the subtleties are unique, they all show a few comparable patterns in Northern Hemisphere atmosphere; relative warmth before the fourteenth century followed by chilly periods between the fifteenth and mid nineteenth hundreds of years. The warming of the twentieth century is, given the viewpoint of the earlier thousand years, extraordinary.
These reenactments intently coordinate the paleoclimate record of temperature throughout the previous 1,000 years. Contrasts between the time arrangement are because of a few variables, remembering vulnerabilities for the driving time arrangement, for instance whether solid or frail sun oriented constraining is utilized, and the flightiness of certain collaborations between the air, sea, land surface, and ocean ice.
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Taxol is an anticancer drug extracted from the pacific yew tree that binds to microtubules and prevents their depolymerization. Which phase of mitosis or cell division would be inhibited by treatment with taxol?.
Answer:
I DON'T KNOW if my answer is correct but here is the answer
Explanation:
Taxol blocked cell cycle progress at the metaphase/anaphase transition and inhibited cell proliferation.
The tendons of the tibialis posterior, flexor digitorum longus, and flexor hallucis longus each pass around which bony landmark before reaching their respective insertions?.
The tendons of the tibialis posterior, flexor digitorum longus, and flexor hallucis longus each pass around which bony landmark before reaching their respective insertions called Medial malleolus.
The bony protrusion on the inside side of the ankle is called the medial malleolus. This is the tibia's distal end, which serves as support for the ankle joint's inner side. Additionally, the deltoid ligament, a significant ligament on the inside of the ankle, is attached to the medial malleolus.
Medial malleolus fractures are relatively rare. When they do occur, they typically take place as a part of a more complicated pattern of ankle fractures, such as trimalleaolar fractures and bimalleolar fractures (involving the medial and lateral malleoli, or the outer and inner sides of the ankle, respectively) (involving these two parts along with the posterior malleolus, or back of the tibia).
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It would be either because people two blue eyes can have a green eyed kid
Answer:
First, the answer is yes to both questions: two blue-eyed parents can produce green or brown-eyed children. Eye color is not the simple decision between the brown (or green) and blue versions of a single gene. There are many genes involved and eye color ranges from brown to hazel to green to blue
Explanation:
HELP PLEASE. Which type of skeletons do mammals such as mice have?
O articulated
O exoskeleton
O endoskeleton
O arthropoidal
Answer:
C
Explanation:
I took the test