Improved preservation techniques, improved monitoring techniques, and improved processing techniques this scientific advancements led to an increase in food safety, hence option D is correct.
What is food safety?Hazard detection includes new technologies for energy efficiency and waste reduction, an increase in food safety.
The conditions that need to be met in order to keep our food safe, and the detection of hazards, such as that image of the hurricane that allows us to see if and when that storm is coming.
Food safety is the practice of handling, preparing, and storing food in a way that reduces the risk of food-borne disease and injury.
Therefore, food products may come into contact with a variety of health risks as they move through the supply chain from field to factory to fork.
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Answer:
D: all of the above
Explanation:
Scientific advancements have led to an increase in food safety by improving preservation, monitoring, and processing techniques.
Improved preservation techniques, such as refrigeration, freezing, canning, and drying, help to slow or stop the growth of microorganisms that can cause foodborne illness.
Improved monitoring techniques, such as DNA-based testing, have made it easier to identify and track foodborne pathogens, allowing for quicker and more targeted responses to outbreaks.
Improved processing techniques, such as pasteurization and irradiation, have been developed to kill or remove harmful bacteria and other microorganisms from food products.
Overall, these advancements in science and technology have led to a safer food supply, reducing the risk of foodborne illness and increasing public health.
E23 verified.
What is the ratio of surface area to volume for a sphere with the following measurements? Surface area = 588 m2 volume = 1372 m3
Answer:
Ratio = 0.43/m
Explanation:
Given parameters:
Surface area of sphere = 588m²
Volume of sphere = 1372m³
We are solving for the ratio of the surface area to volume. This ratio is very important in so many life processes in both plants and animals.
Ratio = [tex]\frac{Surface area of sphere}{Volume of sphere}[/tex]
Ratio = [tex]\frac{588m^{2} }{1372m^{3} }[/tex]
Ratio = 0.43/m
Which two animals are able to generate internal heat to maintain their body temperature in a cold environment?
Why are there hundreds of different protein channels?
A. they work for different molecules
B. The cells make multiple protein channels just in case one dies
C. In case molecules have to go from a low to high concentration
D. Smaller molecules will go through protein channels to save space
Answer:
I think that the answer is A
I'm not 100% sure though sorry. Hope this helps.
They work for different molecules.
Why are there different protein channels?
This carrier protein type allows cells to transport materials using the ion gradient they build with other ATP carrier proteins. The major difference between a channel protein and a carrier protein is stereospecificity. While channel proteins only allow certain-sized molecules to pass, they do not bind the molecules.
Are there hundreds of different protein channels?There are many different types of channel proteins in your body, and each one will only let specific types of molecules pass through.
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The wings of the housefly and the bat are_________?
A. analogous structures
B. vestigial structures
D. homologous structures
Answer:
analogous structures
Explanation:
i honestly can't explain
SCIENCE--A shark, a crab and a shrimp find themselves in hypoxic conditions. Who do you think is most likely to survive a dead zone? Select one: a. Shark b. Crab c. Shrimp
Answer:
a shark is most likely to survive
Match the terms to their definition. 1. chromosome a cell whose nucleus is not bound by a membrane 2. eukaryote a genetic characteristic of an individual 3. gene a specific sequence of DNA nucleotides that carry hereditary traits 4. prokaryote a cell that has a membrane-bound nucleus 5. trait tight coils of DNA
Answer:
1. chromosome: tight coils of DNA
2. Eukaryote: a cell that has a membrane-bound nucleus
3. Gene: a specific sequence of DNA nucleotides that carry hereditary traits
4. Prokaryote: a cell whose nucleus is not bound by a membrane
5. Trait: genetic characteristic of an individual
Explanation:
Chromosomes are the thread-like structures that appear during cell division. Each chromosome is made up of DNA tightly coiled with its packing proteins.
A cell is defined as eukaryote or prokaryote on the basis of the presence of a membrane-bound nucleus. The cells that lack the membrane-bound nucleus and other membrane-bound organelles are called prokaryotic cells. Example: bacteria.
The cells that have a membrane bound nucleus in which DNA is present are called eukaryotic cells. Example: Plant cells.
A stretch of DNA that code for a particular protein and thereby regulate specific genetic trait is called a gene. Genes are present on chromosomes and are carried from one generation to next to maintain the genetic traits.
The features of living beings regulated by the gene are called trait. Example: skin color, eye color, etc.
Correct matches: 1-Chromosome to tight coils of DNA, 2-Eukaryote to a cell with a membrane-bound nucleus, 3-Gene to sequence carrying hereditary traits, 4-Prokaryote to a cell without a membrane-bound nucleus, and 5-Trait to a genetic characteristic.
The terms and their correct definitions would be matched as follows:
Chromosome - tight coils of DNAEukaryote - a cell that has a membrane-bound nucleusGene - a specific sequence of DNA nucleotides that carry hereditary traitsProkaryote - a cell whose nucleus is not bound by a membraneTrait - a genetic characteristic of an individualChromosomes are structures that contain genes, which determine specific traits in an organism. Eukaryotes are organisms whose cells have a membrane-bound nucleus which houses these chromosomes, while prokaryotes lack such a nucleus, often having DNA concentrated in a nucleoid.
What causes the bonds to break in a chemical reaction
Answer:
Bond energy is the amount of energy that breaks a bond. Energy is added to break bonds and energy is also released when bonds form. ... In an exothermic reaction, the products have (more or less) energy than the reactants.
Explanation:
Final answer:
In a chemical reaction, bonds in the reactants are broken and new bonds are formed in the products. Energy is required to break the bonds and is released when the bonds are formed. This rearrangement of atoms forms new substances.
Explanation:
A chemical reaction involves breaking bonds in the reactants and forming new ones in the products. When a chemical bond is broken, energy is required, and when a chemical bond is formed, energy is released. The amount of energy needed to break a bond is the same amount of energy released when the bond is formed.
For example, in the reaction 2H₂O → 2H₂ + O2, the bonds of two water molecules (H₂O) are broken to form hydrogen (H₂) and oxygen (O2).
Overall, a chemical reaction involves the rearrangement of atoms and the breaking and forming of chemical bonds, which results in the creation of new substances with different compositions.
Ecologist Mark is trying to identify the type of pollution that caused excessive algae growth on a river and killed fishes and plants. Which type of pollution
caused this situation?
A.thermal pollution
B.light pollution
C.nutrient pollution
D.noise pollution
Nutrient pollution is the type of pollution that caused excessive algae growth on a river and killed fishes and plants.
What is meant by Nutrient pollution?Nutrient pollution occurs when there is an excess of nitrogen and phosphorus. 50 out of 50 states are impacted by nutrient pollution. States have identified about 15,000 waterbodies in the United States with nutrient-related problems.Nutrient pollution is the type of pollution that caused excessive algae growth on a river and killed fishes and plants.
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Which species is most likely to exhibit clumped dispersion?
Clumped dispersion is a pattern in which individuals in a population are clustered together in groups, which is most commonly observed in animals that live in groups such as elephants.
Explanation:Clumped dispersion is a pattern in which individuals in a population are clustered together in groups. This pattern is most commonly observed in animals that live in groups, such as schools of fish or herds of elephants. For example, elephants travel together in herds and exhibit clumped dispersion.
An ecosystem is like a machine that cycles matter by using _____
Answer:
An ecosystem is like a machine that cycles matter by using captured energy.
Answer:
captured energy
Explanation:
what is the largest populations that an ecosystem an support over time?
a. death rate
b. carrying capacity
c. immigration rate
d. keystone
Answer:
b. carrying capacity is the largest populations that an ecosystem an support over time
sexual reproduction helps a species to be successful because
Answer:
The fact that most eukaryotes reproduce sexually is evidence of its evolutionary success. In many animals, it is actually the only mode of reproduction. The genetic diversity of sexually-produced offspring is thought to give species a better chance of surviving in an unpredictable or changing environment.
Sexual reproduction is crucial for the success of a species because it results in genetically diverse offspring.
Sexual reproduction creates genetically diverse offspring, providing species with a greater ability to adapt to environmental changes and increasing their chance of survival. This diversity provides a better chance for survival in a changing or unpredictable environment, giving rise to a wide range of phenotypes through the combination of genetic material from two individuals. Despite the limitations of requiring both sexes for reproduction, which can impact colonization of new habitats, the benefits of this genetic variation are imperative. It allows for a population to have individuals who might be better adapted to new challenges and also offers a mechanism for selective adaptation.
The mechanisms of meiosis and fertilization enhance genetic variation, a concept often referred to as the Red Queen Hypothesis. This genetic variance acts as a buffer against extinction, as it increases the likelihood that some individuals in a population will possess advantageous traits to adapt to new environmental pressures. Sexual reproduction also allows for the introduction of genetic bottlenecks that can eliminate deleterious alleles from a population and quickens the appearance of beneficial allele combinations.
During the first phase of the ovary cycle, the ______ matures within a follicle
A. Vulva
B. Uterus
C. Ootcyte
D. All of the above
Answer:
C. Ootcyte
Explanation:
During the first phase of the ovary cycle, the Ootcyte matures within a follicle.
Answer:
Oocyte
Explanation:
The cortex of ovaries has many follicles and each follicle contains an immature egg in various developmental stages. The immature egg present in the follicle is called oocyte.
The first stage of the ovarian cycle, that is the follicular phase is marked by the beginning of the development of oocytes in several follicles under the influence of follicle stimulating hormone.
However, only one follicle continues developing. By the end of the follicular phase, the mature follicle (the Graafian follicle) bears secondary oocyte in its fluid-filled cavity.
Dose anyone know the answer???????????
Cellular respiration occurs at the cytoplasm..
So the answer would be 'Z'
Identify the three parts that create in amino acid
The carboxyl group, the amino group, and the central carbon that contains the R group.
Hello Rimind, okay?
First good night. ⇔
A protein is made up of amino acids. Picking up the word amino acid, and breaking it in half, will turn into: amino + acid.
Every time you find:
C = O
l
OH
It will be acidic, carboxylic acid.
Every time you find:
NH₂
It will be Amino / Amine.
Being:
C = O
l + NH₂ = Amino Acid.
OH
Note:
One part of the amine grouping is basic (Base) and another (acidic), so we can call it amphoteric (Amino acid which can be shared as much as Base, as much as Acid.)
attention :
There are Central Carbon (Alpha) that has four combinations being ultimately radical and is a determinant of one amino acid for the other. To be an amino acid, there are three regions. Always a bond will have an amine grouping, another bond with acid grouping and the hydrogen represented as (H)
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What is the primary source of energy for food chains in an ecosystem
In which location would the rate of soil erosion most likely be higher than the rate of soil formation?
A. A tropical area with moderate rainfall
B. A temperate forest
C. A steep slope
D. A river delta
Answer:
C. A steep slope
Explanation:
Erosion is the removal of the top layer of the earth or the gathering of lose weathered materials from rock surfaces.
Agents of erosion are wind, water, glacier and gravity.
Along a very steep slope, erosion is highly rife and very prevalent to the extent that everything there is washed away to be deposited at the bottom of the slope or where gradient is more gentle.
On a steep slope, materials moves rapidly and gravity is very great. When these factors are coupled with the prevailing conditions in a place, little to no deposition occurs for soil formation.
The rate of soil erosion would most likely be higher than the rate of soil formation on a steep slope due to the increased movement of soil and reduced water infiltration, leading to limited soil development.
Explanation:The rate of soil erosion is likely to be higher relative to the rate of soil formation in locations with certain topographical features. An example where this would occur is on a steep slope. Steep slopes tend to have more soil erosion, less water infiltration, and limited soil development due to the force of gravity acting on loosely held soil particles, leading to more rapid and frequent soil movement. The correct answer to the student's question is C. A steep slope. In contrast, a tropical area with moderate rainfall, a temperate forest, and a river delta would typically have higher rates of soil formation and better conditions for soil stability.
what is chemotherapy
Chemotherapy is a process of intense treatment for cancer. It includes one or more anti-cancer drugs. However, most people become sick after they go through with chemotherapy. This can last for days or longer. Hopefully, nobody gets cancer and has to go through this procedure.
Chemotherapy refers to the use of chemicals or drugs to treat disease, often for cancer or to treat infections with antimicrobial drugs. It works by killing or inhibiting growth of target cells and is frequently used when other treatments are limited or not possible.
Explanation:Chemotherapy is a broad term that refers to the use of chemicals or drugs to treat disease. It is frequently associated with cancer treatments but can also refer to antimicrobial drugs that target infectious microorganisms. These drugs generally work by either killing target cells or inhibiting their growth, such as in the case of cancerous structures or infectious microbes.
The use of chemotherapy in cancer treatments involves drugs that interfere with the rapid cell division of cancerous cells. Such treatments are typically used when surgical removal of a tumor is not possible or when other traditional treatments like radiation or hormonal therapy have limitations. However, chemotherapy drugs often impact healthy tissue as well, leading to potential side effects such as nausea and hair loss.
In the case of antimicrobial chemotherapy drugs, they can be bacteriostatic (inhibit the growth of bacteria) or bactericidal (kill bacteria). The use of such drugs needs to be considered carefully to prevent superinfection and the development of antimicrobial resistance.
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Explain how a chromosome condenses at the beginning of mitosis
Answer:
answer in explanation:
Explanation:
Chromosomes must condense at the beginning of mitosis so they can be separated, with relative ease, into equivalent halves. Chromosomes adopt a compact form to make them suitable for transport.
Condensation also organizes the DNA molecule in such a manner that the chance of the molecule being broken and/or lost is minimized. If the chromosome breaks in one way or another, mutations occur.
how have antibiotics changed the quality of life of for humans over the past Century
Answer:
Antibiotics have helped in a speedy recovery for human illnesses over the past century.
Explanation:
Because anti biotics were not present centuries ago, many would get sick and even die. However, antibiotics work by affecting things that bacterial cells have but human cells don't. This helps to fight off the bacterial cells and fight infections and viruses, leading to a speedy recovery.
Which steps do geologists use to find the epicenter of an earthquake? Check all that apply.
They look at data from at least three seismographs.
They locate the point where circles intersect one another.
They measure the difference between arrival of P waves and S waves.
They draw circles around the epicenter from three locations.
They obtain information about the intensity of earthquakes from seismographs.
Answer:
They draw circles around the epicenter from three locations.
Explanation:
Geologists use triangulation method to determine the epicenter of an earthquake.
The epicenter of an earthquake is a point on the earth surface directly above the focus. The focus is the point beneath the surface where the earthquake occurs.
To determine the epicenter of an earthquake, we simply draw three circles whose point of intersection will be the epicenter. How do we now draw the circle?
From a seismogram obtained from 3 stations, we can deduce the time it takes a wave to travel. We simply compare the time lag between the first occurrence of the s-waves and that of the p-waves. Now that we have the time, we can determine the distance travelled by the wave. Since we know that the velocity of waves are constant, we simply use the relationship between velocity and time to find the unknown distance.
Using the distance as the radius, we draw three circles from different seismograph stations on a map. The point where the three circles intersects marks the epicenter of the earthquake.
Answer:
Option (1), (2), (3) and (4)
Explanation:
Earthquakes refers to the sudden shaking of the earth. It releases a certain amount of energy. During an earthquake, seismic P and S waves are generated that travels through the interior of the earth.
The seismographs that are located near the epicenter records the data during an earthquake. This data is then used to draw 3 circles around those 3 seismographs. The point where these 3 circles intersects is the location of the earthquake epicenter.
The arrival of P wave and S waves are also carefully observed. The P waves travels faster than the S waves, so they are recorded first in the seismograph. This difference between the arrival of these two waves are marked that is helpful for the determination of the epicenter.
The intensity of an earthquake is determined by the amount of damage it causes. It is measured by using a scale known as the Mercalli's intensity scale.
Hence, the correct answers are options (1), (2), (3) and (4).
one example of physical aspect of environment.
Answer:
Soil, rivers, mountains, lakes etc
Explanation:
The physical environment encompasses the natural and man made part of the environment. Examples are mountains, lakes, valleys, rivers, etc.
The physical environment supports the activities of other components of the environment. All the bioitc and abiotic factors interacts to furnish this aspect of our environment.
This aspect of the environment helps to regulate and gives a balance to other aspects of the environment. We should note that all aspects of the environment constantly interacts with one another and are not independent of each other.
✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨
These include all vegetation, microorganisms, soil, rocks, atmosphere, and natural events. Universal natural resources and physical phenomenon which lack clear-cut boundaries. These include climate, air, water, energy, radiation, electric charge, and magnetism.
are you an Indian...... !!!
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19. RNAi is a technique that silences genes by targeting them and degrading their mRNA. How can this technique be used in scientific
laboratories?
A. RNAi allows scientists to turn off one gene specifically to study its effect.
B. RNAi is observed in nature, but it can't be used in laboratories
C. RNAi has been used in laboratories to make bacteria more susceptible to antibiotics, but has limited application in eukaryotic cells
D. RNAi is a powerful tool for degrading mRNA, but because it doesn't degrade other types of RNA, its use is limited.
Answer:
RNAi allows scientists to turn off one gene specifically to study its effect.
Explanation:
RNAi is widely used technique for silencing the genes by targeting them and then degrading their mRNA. It silence the genes so that their functions could be studied. It is extensively used in research and can be utilized for any gene just by designing RNAi for that specific gene. It can silence a single genes which make it more useful not only in labs but also in therapeutic approaches for treatment of diseases, cancers etc.
Which hotel do you think is most likely to move ahead in market competition?
A. a hotel that provides basic amenities
B.a hotel that provides luxurious amenities
C.a hotel that shows understanding of customers' latent needs
D.a hotel that gives discounts
Answer:
c
Explanation:
if they dont care about what you want it cant be a good hotel
A hotel that shows an understanding of customers' latent needs is most likely to move ahead in market competition. Thus, the correct option is C.
What is the market competition?Market competition may be defined as an environment in a business where different firms have to compete with one another on the accounts of their merits of goods and services.
If a hotel does not represent the basic or luxurious needs of the people, it will definitely move ahead in the market competition.
Therefore, the correct option for this question is C.
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how does a pluripotent cell differ from a totipotent cell
Answer:
Pluripotent cells can be almost anything they want to be while totipotent are for ex, like zygotes. They can give rise to placenta and embryo
Answer:
Pluripotent cells, unlike totipotent ones, do not have the capacity to originate a complete living being.
Explanation:
Both pluripotent cells and totipotent cells are examples of stem cells.
Totipotent cells are those that have the capacity to transform into any cell type that can be found in the organism, which can give rise to a complete living being. are found in the embryonic zygote.
Pluripotent cells, on the other hand, do not have this same capacity, because they are not originated from extraembryonic tissues. Examples of these cells are the embryonic stem cells in the basticyst.
camels have adaptations that allow them to survive in the hot desert. match the benefits to the adaptations.
Explanation:
-They have a thick coat of hair to protect them from the sun.
-They have a wide, soft feet sothat they can walk for a long time in hot sand.
Answer:
1st > protects from predators
2nd > provides energy source
3rd > maintains homeostasis
Explanation:
Which of the following statements is true of cartilage and bone development?
A. Some cartilage becomes bone through ossification during childhood development.
B. Cartilage produces white blood cells, which are necessary for immune system health.
C. Cartilage is in the nose and ears, and cartilage can't become bone.
D. Cartilage is the primary material responsible for moving sharks' bones.
Answer:
A. some cartilage becomes bone through ossification during childhood development.
Explanation:
Ossification is a process of bone remolding, this starts from fetal stage and continues up to adolescence. The cartilage cells are replaced by the osteoblasts for the formation of bones in the cluster form.
Answer:
option: A
Explanation:
The ossification process allows the formation of new bones in the body. The process begins from the fetal stage and it continues till adult age. The osteoblasts cell replaces the dead cartilagenous cells.
The hematopoietic stem cell synthesizes WBCs not cartilage. The cartilage can easily be transformed to a bone.The cartilage is not primary material for moving shark bones. As the baby grows the small bones fuses with each other thus forming large bones. So the option A is correct.
Genes are segments of dna that determine the phenotype of an individual
ANSWER:
The statement is True. Genes are "segments of DNA" and help in determining the phenotype of an individual.
EXPLANATION:
Phenotype or the physical features and behaviour of organisms are determined by their genes. Genes as segments of DNA contain "codes" for the production of "proteins" that determine the various characteristics of an individual. Genes are located on chromosomes and can exist in different forms. Gene is considered to be the "basic unit of heredity" and determines the characteristics that pass from parents to the offspring.1. The products in cellular respiration are
A carbon dioxide, water, and ATP
B carbon dioxide and glucose
C glucose and oxygen
OD water, oxygen, and ATP
An accumulation of different sedimentary and metamorphic rocks combined with scraps of ocean crust is called _____. a dome a volcanic island arc an accretionary wedge a fault-block mountain
Answer:
An accumulation of different sedimentary and metamorphic rocks combined with scraps of ocean crust is called an accretionary wedge.
ANSWER:
Accretionary wedge is the accumulation of metamorphic and sedimentary rocks combines with "scraps of ocean crust".
EXPLANATION:
The sediments get accreted onto a tectonic plate which is non-subducting in nature. Most of the components of accretionary wedge include marine sediments and also erosional products of volcano island arcs. Tectonic collisions are the reason for the formation of accretionary wedges. The shape of an accretionary wedge is usually a triangle and continues to grow in size when it reaches critical taper.