Answer:
head of the humerus
Jada decís to investigate the effectiveness of hand sanitizer compared to soap. She says that hand sanitizers are as effective as soap in destroying bacteria. Many sanitizers have alcohol as their main component. She performed a study in which people use sanitizers for one week and then soap for another week . She then examines the bacterial
The given statement that the hand sanitizers are as effective as soap in destroying the bacteria is a hypothesis.
Hand sanitizers are the chemical agents that are are used to kill the microorganisms present on our hands. These can occur in various forms like liquid, gel-like or foam. The main constituent of all the hand sanitizers is alcohol that actually kills the microorganisms.
A hypothesis is any statement made by a person that has no proven significance. The scientific experiments generally begin with a hypothesis. Certain tests and experiments are then conducted to test whether the hypothesis is true or false.
The question is incomplete, the complete question is:
Identify the hypothesis in the following paragraph. Jada decides to investigate the effectiveness of hand sanitizer compared to soap. She says that hand sanitizers are as effective as soap in destroying bacteria. Many sanitizers have alcohol as their main component. She performed a study in which people use sanitizers for one week and then soap for another week . She then examines the bacterial count.
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Do you think the gene for aromatase is always present in a crocodile’s DNA? Assuming the gene itself is temperature sensitive, describe what this means using your understanding of gene expression.
The production of estrogen is carried out by this enzyme. By aromatizing, aromatase primarily turns androgens into estrogens. AIs have the potential to suppress estrogen synthesis by preventing aromatase production.
What is the effect of temperature on gene expression?In general, rising temperatures sped up development, and the sooner any particular targeted gene's expression response was triggered, the higher the temperature.
More specifically, larval yolk utilization and growth rates rose, while yolk utilization effectiveness fell as temperature rose.
Therefore, aromatase is always present in a crocodile’s DNA for sex determination.
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Tattoo Project
Buffy is fifteen years old and she would like to get a tattoo. Her parents/guardians
have reservations about the safety of the process and damage to her skin caused by
the procedure. In order to be open-minded, they are willing to give Buffy an
opportunity to sway their opinion. She must scientifically research and explain the
process of tattooing and its aesthetic and health consequences using a scientific
approach. You are to place yourself in Buffy's shoes. You must create a report that
will be presented to your parents/guardians. You may use research from a variety
of sources including the Internet, books, interviews, etc.
Included in the report should be detailed information about the structure and
function of the integumentary system, the tattooing process, and what role, if any,
the immune system plays.
Your paper should be double spaced, 12-font, Times New Roman, and 6-8 pages
and black. No more than 25% of the paper (1 1/2-2 pages respectively) should be
Explanation:
TATTOO PROJECT
Buffy's Story
Dear Mom & Dad,
All I ever wanted was a tattoo. all my friends have them. The safety of the tattooing process and the effect it can have on the skin as well as the health consequences has been researched. I Hope you're convinced to be more open-minded after reading the results.
Why is synthesizing proteins important?
Proteins there are complex macromolecules that perform a great number of functions in the body, some are even part of structures in the body, one example is hair or nails. Thus they are necessary for the structure, function, and regulation of tissues and organs in the body. W
The process of protein synthesis is important because our bodies need to be able to produce proteins that are essential to our health and well-being. Hormones, enzymes, and the growth of muscles cannot be made in our bodies without protein synthesis.
Protein synthesis accounts for the majority of amino acid disposal. A specific sequence of amino acids is defined by messenger RNA, which has been transcribed from a DNA template and binds to specific molecules of transfer RNA.
The adjacent amino acids form peptide bonds. As soon as the polypeptide chain is completed, the sequence of amino acids determines the subsequent folding, post-translational amino acid modifications, and protein packaging.
Transcription rate, ribosome aggregation, and modulation of peptide synthesis rate determine the rate of protein synthesis.
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A cliff near the water has been worn away. How did erosion change the shape of the land?
The terrain frequently changes shape due to erosion. Similar to how water and wind move across land, they frequently sweep away soil particles and erode rock. Therefore, after many years of this ongoing process, the cliff, hills, and mountains get smaller.
It frequently rips through the earth to create ditches, canyons, and valleys. Water moving across the surface of the earth in rivers and streams carries along dirt and erodes rock fragments, shaping the land in the process.
Topsoil loss decreased agriculture yields, infrastructure damage, weed dispersal, etc. are all consequences of water erosion.
What causes Water Erosion?
Raindrops striking bare soil and the force of flowing water on the soil's surface both contribute to erosion. The ability of the site to support vegetation is determined by the intrinsic soil characteristics, slope, and climate, which combined dictate natural erosion rates.
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Recall what you know about hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the cell?(1 point) Responses The cell has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The cell has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The environment has more solute, so solvent moves from outside the cell to inside, causing the cell to swell. The environment has more solute, so solvent moves from outside the cell to inside, causing the cell to swell. The environment has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The environment has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell.
When an environment is hypotonic, the cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell.
Hypotonic is one of the three types of tonicity of solutions. In a hypotonic state, the solution contains more solvent. The other two types of tonicity are: hypertonic and isotonic. In hypertonic state, the solution has less solvent and more solute in the solution. Whereas in isotonic solution, the proportions are balanced.
Solvent is any substance that can dissolve some solid particles in it to form a solution. Mostly solvents are liquid, however they can be a solid or gas as well. Water is termed as the universal solvent.
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Which particles reside in the space around the nucleus of an atom?
Answer:
An electron
Explanation:
An electron is a negative charged particle that travels in the space around the nucleus, it resides outside of the nucleus. On the other hand, protons and neutrons are found un the nucleus of an atom.
A third type of subatomic particle, electrons, move around the nucleus. The electrons have a negative electrical charge. An atom usually contains an equal number of positively charged protons and negatively charged electrons.
A suspect claims that they and the victim ate a large dinner together about three hours before the victim died. What
would the autopsy MOST likely show if the suspect is telling the truth?
There would be no liquids in the victim's intestinal tract.
There would be no food left in the victim's intestinal tract.
There would be some food in the victim's intestinal tract.
O
There would be blood pooled in the victim's intestinal tract.
Answer: The answer is C, There would be no food left in the victim's intestinal tract.
Explanation:
The autopsy would most likely show that there would be some food in the victim's intestinal tract, if the suspect is telling the truth. Therefore, the correct option is C.
What is an autopsy?An autopsy is also referred to as postmortem. It is the medical examination of the body of a deceased after death. It is usually done to ascertain the cause of death of the victim.
In the case given here, if the suspect is telling the truth about the large dinner they had with the victim three hours before the victim died, the autopsy would most likely show that there is some food in the victim's intestinal tract. This is because it takes several hours for food to be digested and move through the digestive system. Therefore, the correct option is C.
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The greenhouse effect occurs when:A. An overabundance of green plant growth increases the temperature on Earth.B. Some infrared radiation is reflected back to Earth by the atmosphere, warming theplanet.C. Production of greenhouses has increased the temperature in those local areas.D. Light is trapped on Earth and cannot escape to space.
The greenhouse effect occurs when our planet's atmosphere is overheated by the arriving sun rays that get trapped in the large amount of air pollutants, such as carbon dioxide, methane, but also water in form of steam. This is mainly caused by anthropic contamination, such as the combustion of fossil fuels.
We can say then that the correct answer is the last one: D. Light is trapped on Earth and cannot escape to space. The CO2 molecules, and the other ones, absorb the temperature from the sun and make the surrounding air to warm up too.
Which structure in the nephron carries out the process of filtration?glomeruluscollecting ductloop of Henleproximal convoluted tubule
The blood brought by the renal artery is filtered by the glomerulus and then passed to the proximal convoluted tubule, and then it goes to reabsorption of essential substances
what are the evolutionary advantages exhibited by seed bearing plants?
The evolution of seeds allowed plants to reproduce independently of water; pollen allows them to disperse their gametes great distances.
Evolutionary Advantages of Seed Plants?The seed provides the embryo with sustenance, protection, and a way to stay dormant for tens of thousands or even a million years so that germination can take place when growth circumstances are ideal. Therefore, seeds enable plants to spread their progeny across both space and time. The development of fruit is a result of an evolutionary adaptation that helps with reproduction and progeny dispersal. For instance, fruits shield growing seeds from unfavorable conditions and/or animal feeding during immature stages, increasing the likelihood that they will survive. Seeds can escape germination by going into dormancy during seasons that are only momentarily favorable. Plants can spread their progeny across time and hedge against unpredictable environmental changes by having seeds with different levels of dormancy.
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Why do you think people are motivated to use substances that alter consciousness?
Answer:
it could be because they are depressed. they can be peer pressure, or they can just be courious and want to try it out.
Chlorofluorocarbons (CFCs) were used for which of these?
A. to heat water
B. as refrigerants in air conditioners and refrigerators
C. as an additive in bottled water
D. as agricultural pesticides
Answer:
B. as refrigerants in air conditioners and refrigerators
Explanation:
1. What is the function in a cell of the carbon compounds lipids?
A. regulates cell processes, transports things into and out of the cell, and fights disease
B.stores and transmits hereditary information
C.stores energy for the cell and sometimes
provides structural support
D.provides cell membrane that regulates the interaction between the cell and the environment
Answer: c
Explanation:
How do bacteria develop antibiotic resistance?
The goal of this assignment is to help students understand that bacteria are living organisms. When we use antibiotics against them to control infections and diseases, they tend to gradually start showing their resistance to that antibiotic. There are different ways bacteria develop such resistance. Sometimes they develop resistance after they come in contact with the chemical but sometimes they develop such resistance without even being exposed to that chemical. So, it is important to understand the different ways by which bacteria develop antibiotic resistance.
Directions
You can check chapter 1 and chapter 8 for some information. You can also search the web to find information. Your paper must be around two pages long and written in the English language, with 1.5 spacing, in Times New Roman, and font 12. References should be on the 3rd page
This task is designed to aid pupils in understanding that bacteria are living things. They often gradually begin to exhibit their antibiotic resistance when we use antibiotics against them to treat infections and diseases. Bacteria can develop such resistance in several ways. They occasionally develop resistance after coming into contact with the chemical, but other times they do so before ever being exposed to it. Therefore, it's critical to comprehend the various mechanisms through which bacteria acquire antibiotic resistance.
Antimicrobial resistance mechanisms can be divided into four groups:
(1) reducing drug absorption
(2) altering a drug target
(3) rendering a drug inactive; and
(4) active drug efflux.
Antibiotics that were once often used to treat microorganisms have become ineffective against some of them. For instance, Neisseria gonorrhoeae (the cause of gonorrhea) and Staphylococcus aureus (often known as "golden staph" or MRSA) are now virtually always resistant to benzyl penicillin.
Other varieties of antibiotics are used to treat illnesses that are resistant to antibiotics. These medications are prescribed by your NYU Langone doctor based on the sort of infection you have and the types of drugs the organism reacts to. Antibiotics can be either orally or delivered intravenously (IV) infusion.
Antimicrobial resistance occurs when bacteria, fungi, and other microorganisms learn to resist the medications meant to kill them. That implies that the germs survive and develop. Treatment for resistant infections can be challenging and perhaps impossible.
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what would be expected for the formation of an α-helix, for a segment of a protein chain that contains lysine approximately every fourth residue with all other residues being mostly hydrophobic?
A high pH will favour helix formation for a protein chain with every fourth residue being lysine and all the residues being hydrophobic.
It is known that lysine is one of the amino acids that are more likely to form alpha helixes. Lysine generates an alpha helix formation when the side chain is uncharged. The arrangement of side chains away from one another and the alpha helix's hydrogen bonding with the peptide backbone contribute to its stability. The lysine side chain will be protonated when the pH is low. As a result, there will be repulsion between these charged side chains in the alpha helix formation, lowering the structure's stability. Therefore, the most favourable environment for the formation of alpha helixes is an increase in pH.
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What changes in homeostasis would be most dangerous for you if any of your body's homeostasis systems failed? Rank them on a scale (1-6) with 1 being the most dangerous and 6 being the least dangerous.
- A change in body temperature
- A change in concentration of blood sugar
- A change in concentration of oxygen
- A change in concentration of electrolytes
- An increase in the concentration of waste
- An increase in the concentration of carbon dioxide
A change in body temperature will be affected if any of body homeostasis failed. Homeostasis maintains the temperature of internal body.
How is homeostasis kept in check?A number of control systems operating at the organ, tissue, or cellular level keep homeostasis in place. The provision of substrates, the activation or inhibition of specific enzymes and receptors, the synthesis and decomposition of enzymes, and compartmentalization are some of these regulatory mechanisms.
The goal of homeostasis is to keep the internal environment in place without being overpowered by outside factors that could upset the balance.
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Where in a woman's body does implantation of a fertilized egg most oftentake place?A. UterusB. Cervixc. OvaryD. Fallopian tube
As we know ova are produced in the ovaries, fertilization occurs in the fallopian tube, where the zygote is formed, and later descends into the uterus, where the embryo implants in the wall of the endometrium. Therefore we can say that the correct answer is option A.
What’s the correct answer answer asap for brainlist
Answer:
the answer is C.
Explanation:
PLEASE HURRY I WANT TO FINISH
The table below shows the precipitation in four locations:
Average Annual Precipitation
Location Precipitation in millimeters
A 972
B 1,824
C 345
D 1,618
Which location is most likely to experience flooding?
Location A
Location B
Location C
Location D
QUESTION 1 [10]
Look carefully at the electron micrographs in Figure 1.
1.1. Describe the differences between the cell that died by (A) necrosis and the one that died by
(B) apoptosis. (6)
1.2. How do the pictures confirm the differences between the two processes? Explain your answer (4)
Figure 1: Cell death by (A) Necrosis and (B) Apoptosis
QUESTION 2 [15]
2.1. Explain how the lac operon is both positively and negatively controlled. (2)
2.2. A mutation within the promoter region can alter transcription of a gene. Describe how this can
happen. (3)
2.3. Summarize the negative repressible feedback mechanism when operated by an operon. (5)
2.4. Describe the process of repression in the trp operon. (5)
QUESTION 3 [15]
3.1. List and explain four (4) ways in which new genes can be generated from pre-existing genes. (8)
3.2. Write a brief description of the three (3) main types of non-covalent bond. (3)
3.3. Describe the two (2) main classes of membrane transport proteins. (4)
QUESTION 4 [20]
4.1. Draw the chemical structure of DNA including the complementary base pairs in the DNA double
helix. (10)
4.2. Describe how the complementarity of DNA provides the mechanism for heredity and how DNA
acts as a template for its own duplication. (10)
QUESTION 5 [20]
5.1. In your own words, explain the principle of how gel electrophoresis of DNA separates the
molecules according to size. (5)
5.2. Discuss the cloning laboratory technique. (5)
5.3. Explain the importance of polymerase chain reaction (PCR) during the DNA sequencing
process. (10)
QUESTION 6 [20]
6.1. Discuss why gene regulation is important. (6)
6.2. Describe how controlling gene expression will alter the overall protein levels in the cell. (6)
6.3. List the differences in the regulation of gene expression of prokaryotic and eukaryotic
organisms.
High resolution and a strong magnification are both provided by an electron microscope.
Applications for electron microscopy are numerous in technology, business, and academic study. It can be utilized, for instance, in the inspection of semiconductors, the production of computer chips, and quality assurance testing.
What is Electron Micrographs ?A picture produced by irradiating a sample with a tightly focused (10 nm diameter) electron beam while applying an acceleration voltage, then observing the transmitted, secondary, backscattered, and diffracted electrons as well as the distinctive X-rays that resulted from this process.
To view smaller organelles like ribosomes, macromolecular complexes, and macromolecules, an electron microscope is required. Light microscopy makes it impossible to see features like cell membranes, ribosomes, filaments, and tiny granules and vesicles up close.
What is Apoptosis ?In multicellular organisms, apoptosis is a type of planned cell death that takes place. Cell death and distinctive cell alterations are caused by biochemical processes. Blebbing, cell shrinkage, nuclear fragmentation, chromatin condensation, DNA fragmentation, and mRNA degradation are some of these alterations.
The process of programmable cell death is called apoptosis. Unwanted cells, such as those between a developing hand's fingers, are removed during the early stages of development. Adult bodies employ apoptosis to get rid of cells that can no longer be repaired. Apoptosis aids in the prevention of cancer.
What is Necrosis ?The death of bodily tissue is called necrosis. It happens when the tissue receives insufficient blood flow. This may result from radiation, toxins, or physical harm. There is no reversing necrosis.
Avascular necrosis and gangrene, which are brought on by a lack of blood flow to the affected area, necrotizing fasciitis, which is brought on by a bacterial infection that spreads quickly, and loxoscelism, which is caused by the venom from a recluse spider bite, are notable conditions that result in necrotic tissue death (Loxosceles)
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In 4 sentencesWhy is it important to appreciate the early discoveries about cells in understanding bodily functions?
Cells are the basic unit of the body of any organism.
Understanding how they work in various environments help to develope medicines or medical treatments. Knowing the process and how the cells of a determined part of the body work, you can develope medicine that will focus on that part and not have a general effect through all the body.
By knowing their basic needs, you can improve their functions by giving them the nutrients they need, this way, the organism will grow better. For example, if you want that a crop is more effective and the plant produces as much food as possible, knowing what it cells need will help out to improve the production.
What is Environmental media
Environmental media is the set of physical, chemical (abiotic factors), and external biological (biotic factors ) components that interact with living beings. It encompasses also the interactions between living organisms with each other and also with the abiotic factors, such as the weather and natural resources.
What does the slope of the graph between years 2 and 5 represent
In the graph we see the population of primary and secondary consumers, this means, herbivores and carnivores.
We can see that their population decreases within the first year after the fire, which we can attribute to the lack of food for primary consumers, which causes a population reduction on them and, consequently, on secondary consumers.
The population grows again after year one, which means the producers population showed growing too.
From the options, this means that there was an increased transfer of energy from producers to consumers (D)
Match the monomer to the correct polymer. (Link one from the top list to one from the bottom list, until each one has a link to one from the other.
1a. polypeptide/protein
1b. polysaccharide
1c. nucleic acid
1d. lipid
2a. monosaccharide
2b. nucleotide
2c. fatty acid
2d. nucleotide
Simple molecules known as monomers can be combined to create chains to form polymers, a process known as polymerization that is mediated by polymerase enzymes.
Specific amino acid sequence molecules are added to make peptides and proteins/enzymes. Monosaccharides, like glucose, are added to create polysaccharides, which are complex enzymes & sugars. Nucleotide sequences molecules combine to create chains or strands that make up a nucleic acid molecules, such as DNA or RNA. Fatty acid enzymes are polymerized into lipids.
Nucleic acid - NucleotideLipid - Fatty acidPolypeptide/protein - Amino acidPolysaccharide - MonosaccharideLearn more about Enzymes
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Use the information in the image below to answer the following question: identify the environmental factor that resulted in the lowest rate of transpiration."A student conducted an investigation to determine the effect of various environmental factors on the rate of transpiration (water loss through the leaves) in plants. The student prepared 4 groups of plants. Each group contained 10 plants of the same species and leaf area. Each group was exposed to different environmental factors. An apparatus was constructed to measure water loss by the plants over tie in 10-minute intervals for 30 minutes. The results are shown in the data table."
The environmental factors that are different between the groups are: floodlight, fan, mist and the absence of any of them. So, it is important to analyze their influence on the results. We have the basal results, with none of those influences, showing a moderate rate of transpiration. Then, we see that the transpiration increases under the effect of the floodlight, because the light estimulates processes that will culminate in transpiration, such as photosynthesis and the opening of the stomata. The rate of transpiration also gets higher under the influence of the fan, because the wind will estimulate the movement of molecules, dispersing the humidity around the plant and helping the water that's leaving the plant via stomata to be replaced by other molecules faster. Still, in the first ten minutes the group under influence of the fan is the one with the higher rates of transpiration. But then, after 30 minutes, is the group under the floodlight that has the higher rate. At last, we should analyze the group under the influence of the mist. It has the lower rate of transpiration because there's lots of water around the plant, and the molecules of water released during transpiration are being delayed by this amount of other molecules of water around the plant competing for space. Therefore, the mist decreases the transpiration, but the floodlight and the fan increases it (compared to the group with none of those conditions).
The higher rate of transpiration after 30 minutes is found in the group under the influence of light, because it opens the stomata and increases the plants metabolism, leading to an increase in transpiration rates.
Identify the highlighted structure.
Answer:
Hepatic portal venule
Drag the item from the item bank to its corresponding match.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
This is a cell or organism having half of the diploid chromosome number, symbolized by "n".
This is an organism or cell with two sets of chromosomes.
This holds an organisms hereditary information.
This is a haploid cell with half the reproductive information from the parent.
This is the structure in the cell nucleus that houses a cell's genetic information.
Answer:
The picture down below is the correct answer.
Explanation:
I toke the test
Which type of biomolecule can contain sulfur?
A. Lipid
B. Nucleic acid
C. Protein
D. Carbohydrate
Answer: C. Protein
All living things need sulfur, which is found in all the major types of biomolecules, including proteins, carbohydrates, nucleic acids, cofactors for vitamins, and metabolites.
How would Paramecium move and feed?
Paramecium is part of the protist group, it is found in almost every water body.
They are unicellular organism, Their movement is thanks to the hair-like strutures called cilia. Thats the locomotive organs. they move at the same time against the water so they can create cinetic energy.
As other microorfanism, the Paramecium moves to sweep the prey, with the oral groove, and into the cell. It is feed by plants, like algae, small bits of animals and vegetables, also some bavteria and protozoa
