answers are entered in the cells with gray backgrounds. cells with non-gray backgrounds are protected and cannot be edited.
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The cells with gray backgrounds. cells with non-gray backgrounds are protected and cannot be edited by using LIFO Prepaid Cell Phones.
Non-gray background cells are locked and cannot be changed. An incorrect response will have a red asterisk (*) next to it or below it. a straight line approach Method of double-declining-balance: On July 1, 28, Razor Sharp Company paid $48,6 to purchase tool sharpening equipment. The equipment was predicted to have a three-year usable life and a $3, residual value.
Assuming that a perpetual inventory system is in operation, calculate the cost of goods sold for each sale using the LIFO approach, as well as the inventory balance following each sale, and present the information in the format shown in Exhibit 4.
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Related Questions
amino acids in a protein polymer are connected by a covalent bond called a [ select ] bond that connect the [ select ] group of the first amino acid to the [ select ] group of the second amino acid. such successive amino acid bondings generate a protein polymer called a [ select ] .
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The amino acids in a protein polymer are connected by a covalent bond called a peptide bond that connects the carboxyl group of the first amino acid to the amino group of the second amino acid. Such successive amino acid bondings generate a protein polymer called a polypeptide.
A peptide bond is formed through a condensation reaction between the carboxyl group of one amino acid and the amino group of another amino acid. This bond results in the formation of a covalent linkage between the carbon and nitrogen atoms of the amino acids, creating a peptide bond. The successive formation of peptide bonds between amino acids leads to the generation of a polypeptide chain, which is the primary structure of a protein.
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The answer please answer will give brainliest
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Answer:
hi there person :)
Which phase of Mitosis is pictured?
Answers
Answer:
Anaphase
Explanation:
What percentage of your body should be water?
Answers
Approx. 60% of the body should be water.
Water is essential for the proper functioning of the human body as it helps regulate body temperature, transports nutrients, removes waste, and acts as a lubricant for joints. The recommended daily intake of water varies but, on average, 60% of the body should consist of water. This percentage may vary based on age, sex, body weight, and physical activity levels. It's important to stay hydrated by drinking enough water and consuming water-rich foods to maintain optimal health.
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in a pcr you start out with n0 molecules of template. recognize that although pcr is an exponential amplification process, the yield of the amplification reaction is typically not 100% and we can assign a probability, p to each step of the cycle. the first few cycles when template molecules are low in number, is inefficient and later when there are sufficient copies of the template, the probability approaches 1. starting with n0 molecules of template, calculate total number of expected molecules (nf) at the end of a cycles with each having a probability of pa.
Answers
We can expect to have approximately 174.5 molecules at the end of the PCR reaction, assuming a probability of 0.9 for each step and starting with 10 template molecules. However, it's important to note that the yield of the amplification reaction is typically not 100%, so the actual number of molecules obtained may be lower than the expected value.
To calculate the total number of expected molecules (nf) at the end of a PCR cycle with a probability of pa for each step, we can use the following formula:
nf = n0 x (1 + pa)^n
Where n0 is the initial number of template molecules, pa is the probability of each step, and n is the total number of cycles.
For example, if we start with n0 = 10 template molecules and the probability of each step is pa = 0.9, and we run 30 cycles, we can calculate the total number of expected molecules at the end of the reaction:
nf = 10 x (1 + 0.9)^30
nf = 10 x 17.45
nf = 174.5
Therefore, we can expect to have approximately 174.5 molecules at the end of the PCR reaction, assuming a probability of 0.9 for each step and starting with 10 template molecules. However, it's important to note that the yield of the amplification reaction is typically not 100%, so the actual number of molecules obtained may be lower than the expected value.
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Which biome has the highest average temperature?
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Answer:
Desert's as they have the hottest temperature if you don't count humidity.
Explanation:
The sun bears down on you and senses there is low amount of water you would dehydrate rapidly and soon die.
The biome with the highest average temperature in the desert.
Biome is a biology term that refers to different areas of the Earth that have the same climate, flora, and fauna. A biome is a set of ecosystems that have predominant vegetation and animal species.
An example of a biome is desert, places where there is little rain and extreme temperatures: very low at night and very high during the day. The largest deserts in the world are in Africa the Sahara desert and America the Atacama desert and the desert that has registered the highest temperature on Earth is the Lut desert in Iran, which registered a temperature of 70.7 ° C.
According to the above, the correct answer is desert.
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while some laser media quickly lose energy via the spontaneous emission of light, others can store energy for a long time. why is a long storage time essential in lasers that produce extremely intense pulses of light?
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A long storage time is crucial in lasers producing intense light pulses because it allows for the accumulation of energy over time, leading to a higher peak power output and the generation of extremely intense light pulses.
First and foremost, a long storage time allows for the accumulation of a large amount of energy within the laser medium.
This is crucial because intense laser pulses require a significant amount of energy to achieve their high peak power levels.
By storing energy over a long period, the laser medium can accumulate sufficient energy to produce these intense pulses.
Additionally, a long storage time enables the laser system to reach a population inversion, which is a necessary condition for laser amplification.
Population inversion occurs when a greater number of atoms or molecules are in the excited state compared to the ground state. This inversion allows for the stimulated emission process, where incoming photons stimulate the emission of additional photons with the same energy and direction.
The longer the energy can be stored in the laser medium, the higher the probability of achieving population inversion and efficiently amplifying the laser pulses.
Moreover, a long storage time facilitates the proper timing and synchronization of the laser pulses. In applications such as ultrafast spectroscopy or laser-based particle accelerators, precise control of the pulse timing is critical. By storing energy for a longer duration, the laser system can achieve the desired pulse timing and synchronization, leading to successful experimental outcomes.
Overall, the long storage time in lasers producing intense light pulses ensures the accumulation of sufficient energy, enables population inversion for efficient amplification, and allows for precise pulse timing and synchronization, making it crucial for the successful operation of such laser systems.
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sickle cell is a recessive disease that afflicts approximately 1/12. the frequency of ss homozygotes is 0.09. what is the frequency of ss carriers in this population?
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0.42 is the frequency of ss carriers in this population.
2pq = 2(0.3)(0.7) = 0.42
According to Hardy - Weinberg ecrilibrium, ph + 2pqt q? or Pt ar = If frequency of ss homozygotes is per 0:09 Then, ora alle
the calculated frequency of Ss heterozygote is 0.42
The Hardy-Weinberg equilibrium is a principle elaborating that the genetic variation occuring in a population will remain constant from one generation to the next generation in the absence of disturbing factors. When mating of gamets will random in a large population with no disruptive circumstances, then the law predicts by( Hardy-Weinberg) that both genotype and allele frequencies will remain constant because they are in equilibrium state.
The Hardy-Weinberg equilibrium can be disturbed by a number of forces, including----- mutations, natural selection, nonrandom mating, genetic drift, and gene flow which all act as a disturbance factor.
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True of False: Marsh was able to prove that animals changed over time.
Answers
Answer:
True
Explanation:
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Compare and contrast preimplantation genetic diagnosis and fetal testing. Does one type of test raise more ethical concerns than the other? explain your thinking.
Answers
Preimplantation genetic diagnosis (PGD) is a technique used to detect any genetic abnormalities in embryos created through in vitro fertilisation, whereas foetal tests are a technique used to detect any genetic abnormalities in embryos already implanted in the uterus.
I believe PGD may raise more moral questions than foetal testing as some individuals do not consider in-vitro conception and subsequent implantation to be as naturally occurring as would occur with fertilisation in the uterus. People may consider PGD to be unnatural as a result of this belief.
Specific single-gene diseases (such cystic fibrosis or sickle cell anaemia) and chromosomal structural variations in a parent are some of the most frequent causes of PGD. Families may also utilise PGD to conceive a kid that can offer compatible stem cells for a family member who needs a bone marrow donor. The majority of couples who require these procedures are not infertile; rather, they have a family history of an illness and want to lessen the possibility of having another child who will have serious health problems or die young. However, occasionally couples seeking fertility therapy are discovered to be at risk of passing on an inherited ailment by commonly accessible genetic screening, and PGD may be an option for them.
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What are the pros and cons of Gene Therapy?
Answers
1.Gene therapy is a source of hope
2.The effects of therapy are long lasting and timeless
3. Gene therapy can eradicate disease and improve the quality of life
The cons of gene therapy
1. There is no guarantee and it can go wrong
2. Gene therapy is a costly treatment option
3. There is a potential for developing resistance
4. Ethical concerns
The drawing shows an apple falling to the ground. In which of the three positions does gravity act on the apple?
Answers
The drawing shows an apple falling to the ground. The gravitational force act on the apple 1, 2 and 3. Thus option D is correct.
what is Gravitational force ?
A gravitational force is defined as an attractive force which is exerted by a massive body on the massive body.
gravitational force is a force exerted by earth on other objects and can be represented as F=mg
F is the force of gravity, G is the gravitational constant of the universe and it is always the same number, M is the mass of one object, m is the mass of the other object
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Karen measures the initial volume of water as 12.5 mL. She then adds a 2.3 gram rubber stopper and the volume rises to 20.8 mL. What is the volume of Karen's rubber stopper?
Answers
Answer:
The volume of the rubber stopper is 8.3 mL.
Explanation:
because the initial volume of the water was 12.5 mL and the new volume was 20.8 mL. So you subtract the 20.8 minus 12.5 and you get 8.3 mL.
Answer:
its "The volume of the rubber stopper is 8.3 mL."
In order to initiate transcription, RNA polymerase II must associate with proteins known as ______ transcription factors at the TATA box of the core promoter.
Answers
General transcription factors are highly specialized proteins that are required for RNA pol II activation.
What are general transcription factors?They are proteins also known as basal transcription factors that recognize specific DNA sequences in the regulatory region of all genes.
These are capable of interacting with the transcription pre-initiation complex to induce or inhibit the activity of the enzyme RNA polymerase II.
Therefore, we can conclude that the general transcription factors are proteins that allow the assembly of RNA Polymerase II and the initiation of transcription.
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Three reasons that prokaryotic cells are important to all life on earth. Please help me
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Answer:
Prokaryotes are essential in maintaining every aspect of the ecological balance of the living world as decomposers, producers, and nitrogen fixers.
Explanation:
Prokaryotes are important to all life on Earth for a number of reasons. They play a critical role in the recycling of nutrients by decomposing dead organisms and allowing their nutrients to be reused. They are also important for many metabolic processes.
What are three facts about prokaryotic cells?Fun Facts about Prokaryotes
Cytosol has a grainy appearance because ribosomes are found freely found throughout the cytosol. Prokaryotic cells have cell walls like plants do. They are used for protection since prokaryotes are usually single-celled organisms.
What are the 4 things that a prokaryotic cell and all cells must have?All prokaryotes have plasma membranes, cytoplasm, ribosomes, a cell wall, DNA, and lack membrane-bound organelles.
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Two of the organisms seemed to be more closely
related to each other than to the other vertebrates.
The type of evidence shown is using the field of -
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The position and shape of the bones in the forelimbs of four present vertebrates were studied.
Two of the organisms seem to be more closely related to each other then to the other vertebrates this relationship was most likely based on evidence using the field of Comparative anatomy
What is comparative anatomy?
The work of French naturalist Pierre Belon, who demonstrated in 1555 that the skeletons of humans and birds are composed of identical parts and organised in the same way, is credited with giving rise to modern comparative anatomy. With the work of two French naturalists, Georges-Louis Leclerc, comte de Buffon and Louis-Jean-Marie Daubenton, who studied the anatomies of a variety of animals, comparative anatomy advanced quickly from this modest beginning in the 18th century. The topic was given a stronger solid foundation by French zoologist Georges Cuvier in the early 19th century when he claimed that animals' structural and functional traits are the result of interactions with their environment.To know more about comparative anatomy, click the link given below:
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unlike epithelial tissues, connective tissues have abundant matrix, or intercellular material, throughout, and have good blood supplies (except cartilage). composition: collagenous, reticular and elastic fibers. how do they differ?
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Connective tissues are characterized by an abundance of an intercellular matrix with enormously few cells. Connective tissue cells are able to reproduce however not as swiftly as epithelial cells.
The epithelial tissue carries a very little quantity of material that is gift outside the cell known as a matrix. In comparison, the connective tissue carries a massive quantity of this fabric that is present out of doors the cellular containing proteins and different additives.
Collagen fibers are the structural elements discovered in vertebrate tissues that transmit forces, save, and expend power. Collagen fibers limit the deformation of tendons and other load-bearing tissues and have a hierarchical structure that consists of collagen molecules, microfibrils, fibrils, fibers, and fascicles.
Elastin fibers are thinner fibers that can stretch and balk even as reticular fibers are enormously branched delicate fibers found in organs that have plenty of mesh-like structures. So, that is the key distinction between collagen elastin and reticular fibers.
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dr. ramirez studies bird migration patterns. his studies have shown that birds are migrating at a later time because of climate change. because migration is a genetically programmed fixed-action pattern, the fact that this pattern has changed as a result of changes in the environment demonstrates that genes are:
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The fact that bird migration patterns have changed as a result of changes in the environment demonstrates that genes are not entirely fixed and unchanging.
This phenomenon suggests that some aspects of behavior and physiological processes can be influenced by the environment and can respond to environmental changes, rather than being solely determined by genetic information.
This highlights the complex interplay between genetics and environment in shaping behavior and physiological processes, and that the expression of genes can be modulated by the environment. It also suggests that evolution can occur through changes in the timing and expression of existing genes, rather than just through the accumulation of new mutations.
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How do animals survive at lower depths in the ocean? Why would they need to change their buoyancy? Give an example of a marine animal that would need this adaptation and explain why it would be beneficial to have this adaptation.
Answers
Answer:
fish
Explanation:
they survive by there gills that can give them oxygen to breath underwater sorry if it is wrong
_____ refers to the loss of protein three-dimensional structure when temperature or ph is altered.
Answers
Denaturation refers to the loss of protein three-dimensional structure when temperature or pH is altered.
Denaturation is the phenomenon in which the tertiary structure of the protein is broken down due to the breakage of bonds between the amino acids of proteins. This breaking of bonds occurs due to the change in pH or temperature from the normal at which the protein remained active.
Three-dimensional structure of the protein is its form in which the protein remains active and functional. It is generally tertiary structure of protein. This active tertiary structure is decided by the sequence of amino acids in the primary structure of protein, where the protein exists as a linear chain.
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bacterial dna containing an operon encoding three enzymes is introduced into chromosomal dna in yeast (a eukaryote) in such a way that it is properly flanked by a promoter and a transcriptional terminator. the bacterial dna is transcribed and the rna correctly processed, but only the protein nearest the promoter is produced. why?
Answers
The RNA transcript from the bacterial DNA will be capped at the 5′ end after normal eukaryotic processing. The translation initiation complex will form at the 5′ cap and travel along the mRNA until it reaches the first AUG codon, at which point translation will start.
The polypeptide is released when one of the termination codons is encountered. Because the Shine-Dalgarno sequences that come before them are not recognized by the eukaryotic translational machinery, translation of the downstream polypeptides cannot occur.
The bacterial chromosome is a single circular molecule that houses all of the DNA for the majority of bacteria. The chromosome joins a number of proteins and RNA molecules to form the nucleoid, an amorphous structure. This is located in the bacterial cell's cytoplasm.
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TRUE or FALSE. archaeal and bacterial cells use chloroplasts for the process of photosynthesis.
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False. Archaeal and bacterial cells do not use chloroplasts for the process of photosynthesis. Chloroplasts are organelles found in plant cells and some protists that are specialized for photosynthesis.
Archaeal and bacterial cells have different organelles or no organelles for photosynthesis. Archaeal cells may contain pigments similar to chlorophyll for photosynthesis, but these pigments are not located in organelles like chloroplasts. Bacterial cells have a variety of pigment-containing organelles for photosynthesis, including chlorophyll, bacteriochlorophyll, and others. However, these organelles are not chloroplasts. The distinction between chloroplasts and other photosynthetic organelles is important for understanding the evolution of photosynthesis and the diversity of life on Earth.
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Look at the Punnett square below. What genotype belongs in the first boxwith the red question mark?*Ddddd ?d DdddODDO DdOddO either DD or Dd, it doesn't matter which one
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Looking at the Punnett Square in the question, the genotype that belongs in the first box with the red question mark is Dd, being a heterozygous for the trait.
Explain how the rate of soil formation can be accelerated.
Answers
Explanation: The rate of soil formation can be accelerated by an increase in the weathering of rocks that contribute to the mineral makeup of soil. Topsoil can be increased through the increase of available organic material. Erosion can also lead to an increase in available parent material for soil formation. Even though soil formation can be accelerated, it still takes time for soil to form.
In noncyclic photophosphorylation, the electrons passed down through the electron transport system are obtained from?.
Answers
In non cyclic photophosphorylation, the electrons passed down through the electron transport chain are obtained from water.
Non-cyclic phosphorylation have two Photosystems;
1. photosystem I
2. Photosystem II.
They work in series, first PS II and then PS I and are connected through electron transport chain. Electrons moved from PS II and then passed on to PS I.
The release of electrons from PS II can be replaced by some other electrons which can be came by splitting of the water molecule. The complex responsible for splitting of water molecule is present on PS II. Water molecule is converted into H⁺ , O and electrons are released which can be move through electron transport chain.
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Please help to solve this question.
Answers
Answer:
a. Glycolysis
b. actually, both plants and animals use glycolysis. They use these during cellular respiration and plant respiration
c. Heart tissue!
Explanation:
a. Glycolysis produces 2 ATP per glucose molecule, and thus provides a direct means of producing energy in the absence of oxygen. Lactic acid, the end product of anaerobic glycolysis.
b. In organisms that perform cellular respiration, glycolysis is the first stage of this process. In plants, this metabolic process occurs in the cytosol and plastids of both photosynthetic and non-photosynthetic organs.
c. Pyruvate is an important chemical compound in biochemistry. It is the output of the metabolism of glucose known as glycolysis. In highly oxidative tissue, such as the heart, the production of pyruvate is essential for acetyl-CoA synthesis and L-malate synthesis.
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you have created a mouse that has a homozygous knockout for your gene of interest. what techniques could you use to show that the gene is no longer expressed? (check all that apply.)
Answers
The technique to show that the gene is no longer expressed is DNA microarray.
The method used to determine whether a gene is expressive or not is PCR. However, the DNA microarray is a novel structure that can simultaneously measure the expression of thousands of genes.
A collection of microscopic DNA spots attached to a solid surface is referred to as a DNA microarray (also known as a DNA chip or a biochip). DNA microarrays are used by researchers to genotype multiple regions of a genome or measure the expression levels of a large number of genes simultaneously. This would help in demonstrating if the homozygous knockout mouse no longer expresses the gene. The term "probes," also known as "reporters," or "oligos," refers to the 10-12 moles of a particular DNA sequence found in each DNA spot. These can be a brief segment of a gene or another DNA element that is used to hybridize a cDNA or cRNA sample (also known as the target) under stringent conditions.
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Industrial agriculture requires
A. no fertilizer
B. large amounts of water
C. no pesticides
D. only renewable energy sources
Answers
Answer:
B
Explanation:
The plains have large rivers flowing through them. Every living creature or plant that grows requires water, so the answer is B.
Fertilizers are needed by very large farms. It is what makes it possible to grow enough grain to have excesses to sell.
Pesticides are also needed. Insects abound in many sparsely populated areas.
Renewable resources are used, but it is not the answer.
2. Is the use of observation in scientific considered an Investigations experiment? Why or why not?
Answers
Yes, observation is a type of experiment that is used in scientific investigations. Observational experiments involve collecting data through observation and then analyzing the data to draw conclusions.
What is observation in science?A form of experiment used in scientific research is observation. In observational experiments, information is gathered by observation, which is then analyzed to provide results.
Observations are frequently the first step in a scientific research. Questions frequently follow observations. A hypothesis is a potential explanation for a scientific question based on current scientific understanding. In science, observation is vital. Scientists gather and record data through observation, which allows them to create and subsequently test ideas and hypotheses. Scientists can observe in many different ways, using their own senses or instruments to increase their vision or hearing, such as microscopes, scanners, or transmitters.
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What are the different types of Adaptations? Give examples of each.
Give an example for natural selection occurring based on food sources
Answers
Answer:
Behavioural-made by an organism that helps it to survive/reproduce.
Physiological-a body process that helps an organism to survive/reproduce.
Structural -a feature of an organism's body that helps it to survive/reproduce
Explanation: