Mientras se calienta una solución en un vaso de precipitados, ¿cuál es el
equipo de seguridad apropiado para tener en el banco?
Answers
Answer:
Fire extinguisher.
Explanation:
Fire extinguisher is the appropriate safety equipment to have at the side of the baker while heating a solution in a beaker because sometimes the solution catch heat due to reactions with flammable liquids which leads to big incident so in this case fire extinguisher can avoid such type of incident by turn off the heat due to the gas present inside the container of fire extinguisher so this safety equipment is necessary at the side of the reaction.
Related Questions
4. Below is a partial sequence of a guide RNA. The underlined section of the RNA is designed to match a specific target DNA sequence. 5'-GGCGGAGCGGUUCUUGGCAGGUUUUAGAGCUAGAAAUAGC-3' Review the partial gene sequence reshown below. It contains a target DNA sequence that matches the guide RNA above. Highlight the one PAM sequence in the top (5' to 3') strand that is next to this target DNA sequence. (The sequence upstream, toward the 5 end, of this PAM should match the underlined sequence in the guide RNA, which makes the opposite DNA strand complementary to the underlined sequence. Remember that U's in RNA are equivalent to T's in DNA.) 5'-GCACGGCGGAGCGGTTCTTGGCAGCGGCCGCACGATCTCGTTGCCGCCGG-3' 3'-CGTGCCGCCTCGCCAAGAACCGTCGCCGGCGTGCTAGAGCAACGGCGGCC-5'
Answers
The guide RNA's underlined region matches the target DNA's top (5' to 3') strand sequence, which is 5'-AGCGGCCGC-3'.
The following sequence is the protospacer neighboring motif: 3'-CGGCGCCGC-5'
The PAM sequence is necessary for the CRISPR-Cas system to attach to and recognize the target DNA. It is necessary for the Cas enzyme to break the DNA and is situated just after the target DNA sequence. The PAM sequence in this instance is "CGG" in the opposing DNA strand.
A specified target DNA sequence is intended to be matched by the given guide RNA sequence. The corresponding DNA sequence is 5'-GCACGGCGGAGCGGTTCTTGGCAGCGGCCGCACGATCTCGTTGCCGCCGG-3' to the highlighted part of the guide RNA. In CRISPR-Cas9 gene editing, the Cas9 enzyme recognizes a short region known as the PAM sequence (Protospacer Adjacent Motif). The PAM sequence in this instance is indicated in the top (5' to 3') strand and is found just after the target DNA sequence: 5'-GGCGGAGCGGTTCTTGGCAGCGGCCGCACGATCTCGTTGCCGCCGG-3'. In this case, "GG" is the PAM sequence.
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explain wha results oyu would see if you performed a catalase test with bacteria taken from a medium containing blood
Answers
If a catalase test is performed with bacteria taken from a medium containing blood, the expected results would be positive for catalase activity.
Catalase is an enzyme that helps in the breakdown of hydrogen peroxide into water and oxygen. Blood contains red blood cells which are rich in catalase, and this enzyme may be released when bacteria are grown on a medium containing blood.
The catalase test involves adding hydrogen peroxide to the bacterial sample and observing the production of oxygen bubbles. If the sample is positive for catalase activity, bubbles of oxygen will be produced. The presence of bubbles indicates that the bacteria are capable of breaking down hydrogen peroxide and producing oxygen. This reaction is rapid and easily visible.
The catalase test is an important diagnostic tool for identifying certain bacteria, such as Staphylococcus aureus, which are catalase-positive. This test is commonly used in clinical laboratories to identify bacteria that cause infections. The ability of bacteria to produce catalase can help differentiate between different bacterial species.
In summary, if a catalase test is performed with bacteria taken from a medium containing blood, the expected result would be positive for catalase activity, as blood is rich in catalase.
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Question 4 (1 point) What vocabulary term is used when looking at the ratio for the genetic makeup of an organism?
Answers
what would be the estimated maximal heart rate for a 40-year-old?
Answers
Answer:
180 beats per minute.
Explanation:
Hope This Helps!
If a mutation in a gene does not result in a change in protein function, the resulting effect is most likely to be
A.) Neutral
B.) Beneficial
C.) Harmful
D.) None of the above
Answers
If the protein structure does not change then the function will not be affected either. The resulting effect is neutral because the shape and function was not altered.
Fill in the blank
The mutation in ________ affected the structure and function of _______in way that affected.
Answers
The mutation in DNA affected the structure and function of proteins in a way that affected cellular processes.
The mutation in a specific gene sequence affected the structure and function of proteins coded by that gene in a way that disrupted normal cellular processes.
Depending on the location and severity of the mutation, this could result in a range of effects from mild to severe.
For example, if the mutation affected a protein involved in cell division, it could result in abnormal cell growth and potentially lead to cancer.
Alternatively, if the mutation affected a protein involved in neurotransmitter release, it could result in neurological disorders such as Parkinson's disease.
Ultimately, the specific effects of the mutation would depend on the gene and protein involved, as well as the location and severity of the mutation.
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which one the following is not typically considered a coercive type of paraphilia? group of answer choices necrophilia voyeurism telephone scatologia sadomasochism
Answers
Sadomasochism, unlike necrophilia, voyeurism, telephone scatologia, is not typically considered a coercive paraphilia due to its consensual nature.
Unlike necrophilia, voyeurism, telephone scatologia (obscene phone calls), and other non-consensual paraphilias, sadomasochism involves consensual exploration of power dynamics, dominance, submission, and sexual activities that may include elements of pain or control. In consensual sadomasochistic practices, informed and voluntary consent is crucial, with clear boundaries, communication, and the use of safe words. Coercion, which involves forcing or manipulating someone into engaging in sexual activities against their will, is contrary to the fundamental principles of consensual sadomasochism. The emphasis is on consensual power exchange and mutual pleasure, rather than non-consensual acts. Sadomasochism is a consensual sexual practice that involves giving or receiving pain or humiliation.
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what is medical records
Answers
Answer:
Some students are making muffins for a fundraiser. They have already made 80 muffins
and they can make 30 muffins in an hour. How many additional hours would they spend
to make 380 muffins?
Justin is walking around an area that has few trees and many tall grasses.
In which biome is Justin most likely walking?
Answers
Answer:
grassland makes the most sense to me, but im not too sure
Answer:
Grasslands.
Explanation:
Imagine that you’re an archaeologist. This means that you’ll be studying ancient cultures and civilizations. You will be studying what people were like, where they lived, and where they went. Which of the six essential elements of geography would you be using in this job? Explain your answer in at least three sentences.
Answers
Answer:
1. Places and regions
2. World in spatial terms
3. Environment and society
4. Physical systems
5. Human systems
6. Uses of geography
Explanation:
Six essential elements which can be used by archaeologist in his job are the Places and regions, World in spatial terms, Environment and society, Physical systems, Human systems, and Uses of geography. without knowing these elements, the archaeologist did not done their work properly. these six elements are the keys to know about ancient cultures and civilizations.
Answer:
As an archaeologist, I might be using the element called “uses of geography.” I will be learning about the past, and people will be able to use this information to plan for the future. I might also be using the element called “human systems.” I will be studying the cultures and behaviors of people in the past and trying to understand their lives. Finally, I might also use the element called “environment and society.” I might be studying how these people used the environment around them. I might also see how they were affected by nature and by the place they lived in.
___ sedimentary rock found on continents is marine in origin.
a. some
b. little
c. most
d. all
Answers
Most sedimentary rock found on continents is marine in origin. This is because most of the Earth's surface is covered by oceans and seas, and the deposition of sedimentary materials is often associated with marine environments. However, there are also non-marine sedimentary rocks formed in other environments such as lakes, rivers, and deserts.
1. Where are various rocks formed?
2. Difference between oceanic and continel rocks.
Answers
Answer:
Explanation:
pt.1 There are three major types of rocks: Metamorphic, Igneous, and Sedimentary. Metamorphic Rocks - Metamorphic rocks are formed by great heat and pressure. They are generally found inside the Earth's crust where there is enough heat and pressure to form the rocks. Metamorphic rocks are often made from other types of rock.
pt.2 The oceanic crust is made up of basalt while the continental crust is made up of granite. The oceanic crust is thinner while the continental crust is much thicker. The oceanic crust is denser than the continental crust. The continental crust has greater buoyancy than the oceanic crust.
In most cases, which group ultimately makes decisions regarding environmental issues?
O governments
o the public
o scientists
O businesses
Answers
Answer: First Option, Governments
A key part of the Watson-Crick model came when Watson realized
that adenine could form hydrogen bonds with thymine and guanine
could form hydrogen bonds with cytosine. This explains why A=T
and G C in Chargaff's rules. Also, these two hydrogen-bonded
nucleotide pairs had the exact same width, so they could form the
rungs of the DNA ladder.
The fact that these pairs could match up only in this way meant that
the sequence of bases in one strand could determine the sequence
of bases in a second strand created from the first. The second strand
is said to be complementary to the first strand. Individual bases are
paired so that the identity of any base determines the identity of the
base paired with it; that is, the complementary base.
This table lists the base abbreviations for bases in a sample of single-
stranded DNA. Fill in the second column with the base abbreviations
that are complementary to the given bases.
I
Answers
Answer:
A–T
T–A
T–A
C–G
A–T
G–C
G–C
C–G
T–A
A–T
Explanation:
A always pairs up with T
C always pairs up with G
A - TT - AT - AC - GA - TG - CG-CC - GT - AA - TA usually pairs up with TC usually pairs up with GThese are bases of amino acids called nucleotides sequences. And this helps in the bond of several base pairs to their nucleotide sequence.What is the Watson-Crick model?
In “A Structure of Deoxyribose Nucleic Acid,” Watson and Crick defined DNA as a double helix that contained long, helical strands wound together. In their model, every DNA strand contained personal devices referred to as bases, and the bases alongside one DNA strand matched the bases alongside the opposite DNA strand.
Thus it is clear that the above answer is well explained.
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the lysosomal enzymes show optimal activity in ------------ph.
Answers
the lysosomal enzymes show optimal activity in White blood cells
ocean water contains all of the following elements except.
Answers
Answer:
Chemical and physical properties of seawater
The six most abundant ions of seawater are chloride (Cl−), sodium (Na+), sulfate (SO24−), magnesium (Mg2+), calcium (Ca2+), and potassium (K+). By weight these ions make up about 99 percent of all sea salts.
PLS HELP ASAP Select the word that means how easily water can move through a substance. Lesson 2.03 o particles permeability porosity
Answers
Answer:
permeability
Explanation:
dictionary definition: the state/quality of a material or membrane that causes it to allow liquids or gases to pass through it
in biology we use this term to describe the cell membrane, it is "semi-permeable" because it allows certain gasses and molecules to pass through
The water can easily move through a substance and it is called permeability. Hence, option B is correct.
What is permeability?The ability of molecules to pass through a biological membrane or barrier is known as biological permeability. Because cell membranes are selectively impermeable, substances cannot pass through the barrier without consideration. Some of the characteristics that affect permeability include polarity, hydrophobicity, charge, size, and shape.
The metabolic activities, survival, and potential use of the cell in both biotechnological applications and physiological systems are all greatly impacted by the cell membrane permeability, which controls the rate of solute transport into and out of the cell.
The water can easily move through a substance when the substance is permeable. Hence, option B is correct.
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What process during meiosis creates genetically different recombinant chromosomes?
Answers
Recombination Occurs During the Prolonged Prophase of Meiosis I.
Recombination normally occurs during meiosis in eukaryotic cells with nuclei and organelles. Prophase I is the longest and arguably the most important segment of meiosis, as recombination occurs at this interval. Over the years, cytologists have divided prophase I into several segments based on the appearance of meiotic chromosomes.
This type of genetic recombination is known as crossover and allows meiotic daughter cells to be genetically different from each other. Crossovers are only possible between homologous chromosomes. Recombination between maternal and paternal chromatids occurs during the pachytene stage, resulting in crossovers between homologous chromosomes.
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two dogs both heterozygous for the gene that controls hair color are crossed what are the parents genotypes
Answers
Answer: I would say about 25% would be white and 75% would be black
Explanation:
Which of the following statements is true? Which of the following statements is true? No archaea are capable of using CO2CO2 to oxidize H2H2, releasing methane. Prokaryotes have low levels of genetic diversity. Archaea and bacteria have identical membrane lipids. The cell walls of archaea lack peptidoglycan.
Answers
Answer:
The correct answer is - The cell walls of archaea lack peptidoglycan.
Explanation:
Archaea are the prokaryotes that are different from bacteria in various ways but the most important differences are the membrane lipids and the major component of the cell wall that lacks peptidoglycan found in the cell wall of bacteria.
These prokaryotes are able to use carbon dioxide to oxidize hydrogen, releasing methane. Archaea-like prokaryotes have a high level or complex genetic diversity.
What makes birds and planes similar and different.?
Answers
Answer:
Airplanes have wings, just like birds. They also have a light skeleton (or framework) to decrease their weight, and they have a streamlined shape to decrease drag. The big difference is that airplanes do not flap their wings.
Human height shows a continuous variation from the very short to the very tall. Height is most likely controlled by?.
Answers
Most people's height is determined primarily by a combination of genetic variants with modest effects on height, as well as a smaller contribution from environmental factors (such as nutrition).
More than 700 such gene variants have been identified, with many more expected. Human characteristics such as height, eye color, and hair color vary slightly because they are controlled by many genes, each of which contributes a small amount to the overall phenotype. Height, skin color, and eye color are three examples of polygenic traits in humans. Multiple genes control these characteristics. Polygenic traits do not follow Mendel's pattern of inheritance because multiple genes are involved.
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A - Glycolysis B - Intermediate Step C - Kreb's Cycle D - Electron Transport Chain E - Anaerobic Respiration 1. Produces approximately 34 ATP. 2. Glucose is broken down into 2 pyruvic acid. 3. Without oxygen in the system, occurs. 4. Releases carbon dioxide and generates FADH2. 5. Pyruvate is turned into acetyl CoA. 6. No energy is produced here, only energy carriers. 7. Location where ATP synthases are found. 8. Requires the use of 2 ATP as activation energy. 9. Lactic acid is sometimes generated in an animal cell. 10. Two cycles are possible for each glucose.
Answers
Answer:
1. D
2. A
3. A
4. C
5. B
6. B
7. D
8. A
9. E
10. C
Explanation:
The process of cellular respiration, which generally involves the synthesis of energy from carbohydrate molecule (glucose), occurs in four major steps in eukaryotic cells. These steps are glycolysis, kreb cycle, bridge or intermediate step and oxidative phosphorylation (electron transport chain).
The features of each step is highlighted below:
GLYCOLYSIS: This is the first stage if cellular respiration in which Glucose is broken down into 2 pyruvic acid (pyruvate). It can occur without oxygen in the system and it uses 2 ATP molecules to start the process.
INTERMEDIATE STAGE: This stage is also called bridge or transition reaction. It does not produce any ATP molecule but only prepares the reaction for aerobic respiration in the mitochondria by turning Pyruvate molecule into acetyl CoA.
KREB'S CYCLE: This is the third step in the process. AcetylcoA undergoes series of chemical processes to release 4 carbon dioxide molecules and generates FADH2 and NADH electron carriers. It takes two cycles to process two glucose molecules that is used in the respiration process.
ELECTRON TRANSPORT CHAIN: In this stage, approximately 34 ATP molecules are produced in the mitochondria using enzyme called ATP synthase, which catalyse the conversion of ADP to ATP.
ANAEROBIC RESPIRATION: This type of respiration occurs in the absence of oxygen. In animal cells, lactic acid/lactate is produced and stored in the muscle as an end product
Two processes that are commonly used to seperate mixtures are
Answers
Answer:
Evaporation and Distillation
Most phenotypic traits—features of the organism that we can observe—are not easy to put into a Punnet Square. Give at least two reasons, or factors, that make most phenotypic traits complicated. How, then, can we measure these traits?
Answers
Most phenotypic traits are complex due to polygenic inheritance and environmental influences.
Phenotypic traits often result from the combined effects of multiple genes (polygenic inheritance) and can be influenced by environmental factors. Punnett Squares, which illustrate single gene pair inheritance, are not suitable for capturing the complexity of such traits. Additionally, environmental factors can interact with genetic factors, leading to variations in trait expression.
To measure complex phenotypic traits, alternative approaches are used. Quantitative measurements, such as height or weight, provide precise numerical values. Statistical analysis helps identify patterns, correlations, and heritability estimates in populations. It involves studying large sample sizes and employing statistical models to understand the contributions of genetic and environmental factors. Molecular genetics advancements have further enhanced our ability to study complex traits at the genetic level.
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PLEASE HELP WILL GET BRAINLIEST
Which of the following is NOT evidence for sea floor spreading?
newest crust closest to the ridge
magnetic reversal in the sea floor
lithosphere conservative effect
oldest crust nearest the continents
Answers
Answer:
The new crust will be added at the mid-oceanic ridge.
Explanation:
1-Look at the equations for photosynthesis and cellular respiration below
Photosynthesis: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2
Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O + 38ATP
1a- What products of photosynthesis are used by animals?
In this process they use carbon dioxide and light to make sugars and oxygen.
1b-What products of cellular respiration are used by plants?
cellular respiration is that the plant takes in glucose and oxygen, gives out carbon dioxide and water and releases energy.
2a-If you had seaweed living in an aquarium with water, and you added BTB indicator. What color would you expect to see? Why?
2b-What would this tell you about the level of CO2 ?
2c-How do these results show that seaweed is doing photosynthesis?
3a-If you had a fish living in an aquarium with water, and you added BTB indicator. What color would you expect to see? Why?
3b-what would this tell you about the level of CO2?
people's blood for normal or abnormal carbon dioxide, or CO2, levels to help diagnose certain medical conditions.
3c-How do these results show that the fish is doing cellular respiration?
4-Complete the chart below for photosynthesis and cellular respiration.
What 3 variables affect PS?
What 2 variables affect CR?
5a-If you had an aquatic plant and animal in the same aquarium, and added BTB to the water. What would happen to the level of CO2? (increase, decrease, stay the same) Explain.
Answers
Glucose and oxygen which can be used by the animals while on the other hand, carbondioxide gas is used by the plant.
Products of photosynthesis are glucose and oxygen which can be used by the animals in the process of cellular respiration while on the other hand, carbondioxide gas is the product of cellular respiration which can be used by the plant for making their own food during the process of photosynthesis.
If we had seaweed living in an aquarium with water, and we added BTB indicator, it shows blue color because there is less amount of carbondioxide gas which is responsible for the formation of carbonic acid. The reason behind little amount of carbondioxide gas is the process of photosynthesis done by seaweed.
Lower concentration of carbondioxide provides us information that seaweed is doing photosynthesis. If we had a fish living in an aquarium with water, and we added BTB indicator, we expect yellow colour because carbondioxide gas is added to the water by the respiration process of the fish.
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Suppose you buy apples from a store. Why would apples you take home with you be redder and
crunchier on average than all the apples at the store?
Answers
Answer:
Apple's are may be fresh. and the apple's in store always denudation of the dark.
Explanation:
"honor killings," such as those committed by conservative muslims in pakistan, are a tragic consequence of
Answers
"Honor killings" are a tragic consequence of conservative beliefs and traditions, often within Muslim societies.
These killings are typically carried out by family members against a female relative who is believed to have brought shame upon the family, often through actions such as marrying against their family's wishes, or engaging in pre-marital sex. While "honor killings" occur in a variety of cultures and religions, conservative interpretations of Islam often reinforce the belief that a woman's actions can bring dishonor to the entire family. However, it is important to note that not all Muslims or conservative individuals condone or support "honor killings." Such acts are illegal in many countries, including Pakistan, and efforts are being made to address and eliminate this practice.
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Is TT genotype homozygous or heterozygous?
Answers
The genotype TT stands for the homozygous state, in which both alleles of a gene are present in a homologous pair. Alleles are various variations of a single gene.
If an organism possesses 2 versions of the same allele for a gene, it is said to be homozygous. An organism might be homozygous recessive (RR) or homozygous dominant (TT) (tt). A heterozygous creature is one that has two different alleles (Tt) for the same gene.
The presence of two identical alleles at a specific gene locus is referred to as the homozygous condition. A homozygous genotype can have two alleles with the same variance or two normal alleles.
A person is considered to be homozygous if they have two equal copies of a particular gene. A genotype with heterozygosity, on the other hand, possesses distinct alleles.
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