Which method best helps to prevent wind erosion?
O rotating crops
o decreasing riverbank slopes
more animal grazing
o avoiding soil compaction

Answer:

See below

Explanation:

Difference between bacterial cells and our healthy cells:

Why are antibiotics able to target bacterial cells:

In this way, our body cells are safe from the attack of antibiotics.

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Answer:

To keep blood safe, blood banks carefully screen donated blood. The risk of catching a virus from a blood transfusion is low. Sometimes it is possible to have a transfusion of your own blood. During surgery, you may need a blood transfusion because of blood loss.

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Explanation:

Answer:

Transcription and replication are important processes that occur in cells but have distinct differences.

Similarities between transcription and replication:

1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.

2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.

Differences between transcription and replication:

1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.

2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.

3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.

4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.

Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.

Explanation:

Answer:

The most basic reason that cells are stained is to enhance visualization of the cell or certain cellular components under a microscope. Cells may also be stained to highlight metabolic processes or to differentiate between live and dead cells in a sample.

The mammalian tail and human coccyx are homologous organs, as are the leaves of pitcher plants and cacti. The flippers of penguins and dolphins, as well as the shells of turtles and crabs, and the bills of ducks and platypuses are analogous structures.

Homologous organs are the ones that are structurally similar but function differently. They were the consequence of divergent evolution. Divergent evolution occurs when species with close ancestors develop similar structures that carry out various functions in different environments.

The mammalian tail and coccyx, as well as pitcher plant and cactus leaves, are homologous organs in this case. Penguin and dolphin flippers, the bills of ducks and platypuses, as well as turtle and crab shells, are analogous structures.

Thus, these are the various instances of homologous and analogous structures.

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A step in designing an experimental investigation is identifying the variables that will be controlled for all experimental groups.

The correct option to the given question is option A.

An experiment is a controlled investigation where scientists manipulate and measure specific variables. Scientists design experiments to test hypotheses and answer questions. In the design of an experiment, several steps must be followed to ensure the results are accurate and reliable.

Identifying the variables that will be controlled for all experimental groups: This is an essential step in designing an experimental investigation. Controlled variables are variables that scientists keep constant throughout the experiment so that they do not influence the dependent variable.Writing a procedure that prevents other scientists from repeating the results: Scientists usually provide a detailed description of their experimental procedures to ensure that other scientists can reproduce the results of the experiment and verify its accuracy.

Making sure that the hypothesis will be supported and not refuted: A hypothesis is a statement that scientists make that explains the relationship between the variables in an experiment. The hypothesis must be tested to determine whether it is supported or refuted.Collecting each piece of data in a different way so that there is more variety: In an experiment, data is collected to support or refute the hypothesis. Scientists should collect data in different ways to ensure that the results are reliable and accurate.

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Answer:

The correct answer would be - 200 to 300 protein-producing genes.

Explanation:

According to the studies, there are many genes that do not produce proteins and have no direct role in cellular functioning. According to the human genome project, there are 20000 to 25000 genes present in a human cell.

According to the study and researches, the minimum number of genes a single-celled organism needs to divide or reproduce itself and survive in the laboratory is approximately between 265 and 350.

Thus, the correct answer is - 200 to 300 protein-producing genes.

Explanation:

Smooth muscle tissue has the following characteristics:

Smooth muscle reacts more slowly and tires more slowly than skeletal muscle. The reason of this

The steps for protein synthesis are:

-Unziping

-Transcription

-Translation

-Elogation

-Termination

1) Unziping: DNA double strand unwinds to expose a sequence of nitrogenous bases (4 the base pairs along a length of DNA separate, exposing binding sites of the bases);

2) Transcription: A copy of the DNA strand is made creating a RNA strand (1 RNA bases bind to DNA bases);

3) The exit of the mRNA made up in the second step to the cytoplasm (5 An RNA copy of the gene leaves the nucleus);

4) Translation: (2 amino acids are brought to the RNA, the mRNA and the tRNA meet to translate the nitrogeneous bases in amino acids);

5) Elogation and Termination: (3 The amino acid string folds and form a protein) the protein information from the mRNA, translated with the help of the tRNA is used for the protein synthesis in the cells cytoplasm.

Therefore, the final order for the question is: 4-1-5-2-3

Answer:

Severe abdominal pain after eating

Answer:

what is social structure?

social structure is the patterned social arrangements in society that are both emergent from and determinant of the actions of individuals.

Explanation:

What are some of the factors that influence social structure

1 distribution of recources

-leaves (abundant and dense)- support large groups of animals

2 fruits and nuts-occur in clumps-most efficiently exploited by smaller groups of animals

-some tend to be protective of resources, especially if their feeding area is small enough to be defended

3 insects (widely scattered) alone or company of 1 and 2

4 seasonal foods-smaller feeding groups-seasonality of water availability

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Answer:

When a child is formed, they get half of their genes or traits from each parent. These genes are like tiny sets of instructions that determine things like a child's hair color, eye color, and height. Each parent contributes their genes through their sperm or egg. For example, if a parent has brown eyes, they will contribute a gene for brown eyes to their child. If the other parent has blue eyes, they will contribute a gene for blue eyes to the child.

However, not every trait from each parent will appear in the child. Some traits are dominant, which means they will show up even if only one parent contributes that gene. Other traits are recessive, which means they will only show up if both parents contribute that gene. And sometimes, traits can be a combination of both parents' genes.

In terms of human reproduction, we are the result of sexual reproduction. This means that an egg from a female and a sperm from a male combine to form a zygote, which eventually develops into a fetus and then a baby. Each parent contributes half of their genetic material to the child, resulting in a unique combination of traits.

Explanation:

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A child inherits traits from both parents through a process known as genetic inheritance. Humans have two sets of chromosomes, one set inherited from the mother and one from the father. Each set contains genes that determine various traits such as physical characteristics, eye color, hair type, and many others.

Each parent contributes their traits to the child through the genes on their respective chromosomes. Traits are typically determined by the combination of alleles. For example, if the mother has a gene for brown eyes and the father has a gene for blue eyes, the child may inherit one allele for brown eyes and one allele for blue eyes.

During reproduction, the parents' genetic material combines through the process of fertilization. The father's sperm carries genetic information in the form of chromosomes, while the mother's egg also contains chromosomes. When the sperm fertilizes the egg, their genetic material combines to form a unique set of chromosomes in the resulting zygote.

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Answer:

Tropical forest recieve large amounts of rain every year, about 60mm at least. Tropical forests also have no dry season. Plants that grow in this type of forest must adapt to the extremely wet conditions. For instance, trees in this type of forests grow long and thin trunks to reach the sunlight easier.

Coniferous forest typically have long winters and high precipitation levels. However, unlike Tropical rainforests, Coniferous forests have diverse seasons and no all year rainfall. It still rains a lot though. For example, trees in this forest grow relatively short and thick trunks to protect from the cold winters months.

Explanation:

Answer:

The graph shows the temperature in the Coniferous Forest is in the negative and the precipitation is low. So, with this data, you can assume that the plants in the Coniferous Forest would need to adapt to this climate. This means the plants would need to adapt in order for them to grow and thrive. They would need an adaptation to assist with the little sunlight and water it's getting.

On to the Tropical Rain Forest graphs. The temperature is warm throughout the whole year and the precipitation levels are normally high for five to six months. This data can tell you that the plants are getting more than enough sunlight and water. In this type of climate, the plants are most likely lush and green because they are not lacking in the sun and water department, but the plants are having to adapt to too much water.

Explanation:

Monica's current state of mind suggests that she is experiencing emotional distress due to her recent divorce. Going through a divorce can be an incredibly challenging and stressful experience, even if it is ultimately for the best. The long and arduous legal process that often accompanies a divorce can take a significant toll on one's mental and emotional wellbeing.

It is not uncommon for individuals to experience a range of emotions after a divorce, including sadness, anger, frustration, and anxiety. Monica's feelings of being upset and disturbed are entirely normal in the circumstances, and it may take time for her to heal and recover fully.

It is essential for Monica to take care of her mental and emotional health during this challenging time. Seeking support from friends and family, as well as professional help if needed, can be incredibly beneficial in helping her cope with the stress and emotional turmoil that often accompanies a divorce.

With time, patience, and support, Monica can come out the other side of this experience feeling stronger and more resilient than ever before.

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Answer:

The areas with the fastest population growth also have some of the worst gender equality scores.

Explanation:

When women are free to choose what happens to their bodies and lives, average family size plummets, as is evident in all countries with below-replacement fertility rates.

Answer:

Definitely A. mililiter, centimeter, gram

Answer:

Photosynthesis is the process used by plants, algae and certain bacteria to turn sunlight, carbon dioxide (CO2) and water into food (sugars) and oxygen.

Explanation:

During the process of photosynthesis, light penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.

Sensation

In biology, the nervous system is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body.

Answer:

ATP, Cellular resperation

Explanation:

Answer:

DNA has certain codes (ex: A with T and G with C). and with other organisms having the same codes scientists can see how closely related they are.

Explanation:

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If the fibroblast takes 24 hours to divide, it is expected that 35% of that time the cell will be in the phase of mitosis, that is:

Answer:10

Explanation:

200

Answer:

Here are some uses of biotechnology in the production of washing powders:

Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains.  Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.

Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.

Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.

Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.

Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.

Explanation:

Answer:

I don't know if this is what you mean, but here is what I read it as:

1. can be simplified to "1"

2. can be simplified to "3/4"

3. cannot be simplified so it remains "3/4"

4 can be simplified to "1/2"

Answer:

Index fossils are fossils of organisms that lived during only one short period of time. A layer rock with an index fossil in it is close in age to another layer of rock with the same type of index fossil in it. Even though rock layers are of different regions, index fossils indicates that the layers are close in age.

Explanation:hope its help

Answer:

Match the items of column 'A' with those of column 'B':

Turbidity

Reduces the light in the water column

Natural pollution

Choose

Nitrates and phosphates

Air pollution

Biochemical demand for oxygen

Contaminants into a natural environment

Chemical fertilizers

Pollution

Floating materials

Industrial wastes

Emissions pollution

Reduces the light in the water column

Concentration of hydrogen pH

Eutrophication

CFCS

New species invasion

Temperature

Harmful algal blooms

Oils fats, and foam

Please answer all parts of th Hypertrophication

Toxicity

Volcanic

In crude oil affect eggs and larvae of fish a

Atomic number

a. Hydrocarbon

In a point mutation, only one nucleotide is changed.

In a chromosomal mutation, the whole chromosome is changed.

The corresponding mutation types and sequences are given below:

Deletion: ATT GGA TA

Substitution: ATT ACG ATA

Insertion: ATA TGC GAT A

Answer:

An experimental group is a group that receives a treatment in an experiment.The "group" is made up of test subjects.(people, animals,plants, cells,etc.) and the "treatment" is the variable you are studying.

An experimental group is also known as a treatment group.

Answer:A

Explanation:i chose A because snakes are cold blooded

Animals have a body temperature that doesn't change depending on the weather outside A. Snake

An endotherm, because the call shows, is used to refer to heat-blooded animals. they're the animals who keep a regular frame temperature no matter the ambient temperature. mainly, endothermic animals represent birds and mammals of the animal nation.

Ectotherm, and referred to as cold-blooded animal—that is, any animal whose regulation of frame temperature relies upon outside sources, including sunlight or a heated rock floor. The ectotherms consist of fishes, amphibians, reptiles, and invertebrates.

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