Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
inversion
translocation
deletion
insertion

Answer:

D

Explanation:

Answer: Bacteria.

Explanation: That was why penicillin was manufactured, because doctors believed bacteria was a major cause of diseases.

Answer:

(B) Nervous tissue

Explanation:

Nervous tissue consists of two cells: nerve cells or neurons and glial cells, which helps transmit nerve impulses and also provides nutrients to neurons.

Answer:B

Explanation:Nervous tissue is found in the brain, spinal cord, and nerves.

Nervous tissue contains two major cell types, neurons and glial. Neurons are the cells responsible for communication through electrical signals. Glial cells are supporting cells, maintaining the environment around the neurons.

A researcher proposes a model of an enzyme-catalyzed reaction in which a reactant is converted to a product.

Enzyme catalysis is the increase in the rate of a process by a biological molecule, an "enzyme". Most enzymes are proteins, and most such processes are chemical reactions. Within the enzyme, generally catalysis occurs at a localized site, called the active site.

The model is based on the idea that the reactant passes through a transition state within the enzyme-substrate complex before the reactant is converted to the product.

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Structure 1 is the "cell wall"

Cell wall functions are:-

1. Provide support and limited plasticity.

2. Prevent loss of water

3. Protects from insects and pathogens

4. Prevent over expansion caused by too much water

5.Keep the shape of the plant

6. Allow plants to grow to great heights.

Structure 2 is the "vacuole"

vacuole functions are as follows:-

1.The main function of vacuoles is the storage of many important molecules like amino acids, sugars, various organic acids, and some proteins.

2. In plants, the vacuoles are very large in size and filled with cell sap that helps to maintain the trugidity and rigidity of the cell.

Answer:

A

Explanation:

I think it is A, I'm not very sure

The categories can be ordered as life, Eukarya, Animalia, Chordata, Mammalia, Primates, Hominid, Homo, sapiens.

Classification is the ordering of organisms based on the similarities in their characteristics.

In case of humans the categories includes:

Thus, this is the categories humans belong to starting with life and ending with species name.

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Answer:

Person above me or below me is correct :)

Explanation:

The answer is C !!

- Have a good summer :)

Utilising fossil fuels has a detrimental impact on air quality because they produce dangerous pollutants like carbon dioxide and nitrogen oxides when they are burned.

These contaminants are linked to higher air pollution levels, which can lead to a variety of health problems, such as heart disease and respiratory disorders. The effects of new house construction on air resources are complex.

On the one hand, since burning fossil fuels for energy and releasing building materials can result in the emission of hazardous chemicals, construction may increase air pollution. On the other side, if new homes are constructed in places with fewer air pollution, as in rural regions, they may result in better air quality.

A benefit of walking to work or school an advantage for air resources. Walking does not emit any pollutants into the air, making it a zero-emission mode of transportation.

Additionally, walking lessens traffic on the roadways, which can lessen vehicle-related air pollution. Air resources may suffer if trees or other vegetation are removed. By providing shade, trees not only assist to filter airborne pollutants, but they also help to chill the air. Because air pollutants are not being filtered out as well when trees are cut down, this might result in higher air pollution levels.

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Answer: D) it is used to transfer genetic info

Explanation: :)

The right response is OD. Genetic data is transferred through it. A specific kind of RNA molecule known as messenger RNA (mRNA) is in charge of transmitting genetic data from DNA to the ribosome, a cellular component in charge of creating proteins.

The single-stranded nucleotide molecule known as messenger RNA (mRNA) is translated from DNA. The ribosome then converts the sequence of amino acids, which serve as the building blocks for proteins, from the mRNA. When genes are expressed, which is the process of turning DNA-stored information into proteins, mRNA plays a crucial role.

The genetic information contained in DNA and the cell's machinery for protein synthesis are connected through mRNA. Involvement of mRNA in transcription mRNA plays a role in both the transcription of DNA into a series of nucleotides and the translation of that series of nucleotides into a series of amino acids.

The control of gene expression also involves mRNA. It may be applied to control both the time and volume of protein synthesis within a cell. By regulating the quantity of mRNA a gene produces, it may also be used to alter how active a gene is. This may be used to regulate the expression of particular proteins in a cell, which can have a significant impact on the cell's functionality.  

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Answer:

Ponds are used for breeding grounds for these species but also as shelter and even drinking/feeding locations for other wildlife.

Answer:

There is some ponds are constructed for the production of HEP Hydroelectric power,or as the water catchment area in flooded areas.

Tertiary consumers receive only 10% of the energy consumed by secondary consumers.

The secondary consumers are meat-eating organisms (carnivores) that consume the primary consumers. Secondary consumers are typically larger and more numerous. All the way to the top of the food chain, this goes on.

This is due to the fact that secondary consumers expend the majority of their energy on growing and reproducing. As a result, tertiary consumers only receive 0.1 percent of the Sun's total energy.

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Answer:

carbondioxide

Explanation:

during respiration consumers release carbondioxide an inhale oxygen

Fats are a better source of energy than carbohydrates on a per carbon basis because one triglyceride molecule yields three fatty acid molecules.

This is an important energy source in the body and is usually stored in the body under adipose tissues.

They contain triglyceride with as much as 16 or more carbons in each one which helps to generate energy in a slow and efficient manner.

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The simulation supports the scientific law : I.e TRUE

The scientific law of conservation of mass states that the mass of a substance remains the same in a closed system  as the substance/matter undergoes a chemical reaction. during chemical reaction the matter changes from one form to another. Therefore measuring the mass of matter in an object before it undergoes a chemical reaction support the scientific law as the mass of reactants is equal to mass of product.

Hence we can conclude that the simulation supports the scientific law : I.e TRUE.

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If your teacher gives a study sheet then study that everyday for 30min or 20min or you can go on a web called quizlet and write the study set you want and they might have it. Or if its on a person just study the person on the web. On wikipedia or other resources with good info on the person.

Explanation:

Mushrooms are fungi. They belong in a kingdom of their own, separate from plants and animals. Fungi differ from plants and animals in the way they obtain their nutrients.

Answer:

However, in this question, the egg cell has 24 chromosomes instead of 23. This extra chromosome is often due to an error in meiosis, the type of cell division that makes gametes. So, after fertilization of an ovum with 24 chromosomes with a sperm cell with 23 chromosomes, a zygote with 47 chromosomes is the result

Mitosis creates two nuclei that are genetically identical.

A person cannot produce lipases and amylase due to mutations in the genes that encode enzymes required to break down fats and starch.

Lipases and amylase are two types of enzymes required to break down fats and starch, respectively.

Mutations in the genes that encode these enzymes may lead to the production of defective proteins.

In conclusion, a person cannot produce lipases and amylase due to mutations in the genes that encode enzymes required to break down fats and starch.

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Answer:

the plant's population will increase as now it has an abundance of sunlight because all the trees blocking it got cut down.

Explanation:

Answer

The most abundant elements in the human body are oxygen, carbon and hydrogen. Oxygen makes up 65% of the body.

Answer:

Oxygen as it makes up 65% of the body

For humans, the diploid chromosome number equation is 2n = 46 because humans have two sets of 23 chromosomes The diploid chromosome number varies by organism and ranges from 10 to 50 chromosomes per cell.

Mitosis is a type of cell division that occurs in somatic or body cells. In mitosis, and a cell undergoes division to produce two daughter cells each with the same number of chromosome as the parent cells.

Mitosis produces diploid cells and diploid cells are cells that have the same number of chromosomes as the parent cell.

Thus,  The diploid chromosome number varies by organism and ranges from 10 to 50 chromosomes per cell.

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A wind blowing would be the right solution, as it's not an example of which value and energy cycling's happening through living items. Mortal sitting vegetables involve energy transfer between diverse trophic levels.

Hyaline cartilage makes up the costal cartilage that holds the ribs to the sternum. The most prevalent form of cartilage in the body is hyaline cartilage.

On the articulating surfaces of bones, in the larynx, trachea, and bronchi, as well as on the sternal ends of the ribs, hyaline cartilage is present. It imparts a rigid yet malleable form to the constructions.

Hyaline structures are connective tissues that anchor the ribs onto the sternum. Such structures and joints are robust because collagen fibers are present, but their mobility and flexibility are constrained. To reduce friction and provide cushioning at the joint surface, articular cartilage, also known as hyaline cartilage, covers the ends of bones.

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Answer:

D making a prediction

Explanation:

The effectiveness of Cara's goal can be achieved using the MAD goals concept when her idea is  Measurable, Attainable, and have a Deadline.

The ​​MAD Goals are:

They should be measurable so students can know if they are making progress towards their goals.  They should be attainable because there is no sense in having goals that can never be reached.  They should have a deadline so that the student will feel some urgency to reach the goal.

The effectiveness of Nolan's goal can be achieved using the MAD goals concept when her idea is  Measurable, Attainable, and have a Deadline. When the cancer donations falls within the defined steps above, she can be able to attain her goal.

Thus, this could be the answer.

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The average speed by which the car travels according to the given scenario is 108.3 km/hr.

The actual Speed is the calculated speed of the axis as determined by the change in the Transducer Counts status register. Actual Speed is measured in position units per second.

It can be calculated as total distance divided by the total time taken.

According to the given data:

The distance is 1300 km.

Time taken is 12 hrs.

[tex]Average speed = \frac{1300}{12} km/hrs[/tex]

Average speed = 108.33 km/hrs.

Thus, the average speed by which the car travels according to the given scenario is 108.3 km/hr.

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Answer:

The one-child policy was a program in China that limited most Chinese families to one child each. It was implemented nationwide by the Chinese government in 1980, and it ended in 2016. The policy was enacted to address the growth rate of the country's population, which the government viewed as being too rapid.

Explanation:

Answer:

B IS THE ANSWER

Explanation:

I THINK SO