How do point mutations affect dna sequences? choose all that apply.

Some differences between meiosis and mitosis are that meiosis occurs in two stages but mitosis occurs in one, mitosis is known as equational division but meiosis is known as reductional division.

Cells divide in order to generate two daughter cells. They do achieve this by the process which is known as the cell cycle or the cell division. Cells cycle basically occurs through a few phases and these phases of the cell cycle are the prophase, metaphase, anaphase as well as the telophase. There are basically two types of cell division which is mitosis and the meiosis.

Meiosis consists two main stages of meiosis I as well as meiosis II. In meiosis I, the homologous chromosomes basically get separated to form two different nuclei. Mitosis occurs in only one cycle. Mitosis is known as the equational division whereas meiosis is called the reductional division. Mitosis occurs in all the cells of the body whereas meiosis occurs in the reproductive cells.

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Answer:

The complete path provided by the closed circuit enables electric current produced by the battery to flow round the circuit

Explanation:

Electric current consists of charges (electrons) in motion from one region to another.

An electrical circuit is any closed path through which electric current can flow.

An electrical circuit consists of an energy source that supplies the electrons moving, a path along which the electrons can travel, and a load or appliance that uses the electrical energy. When the circuit is broken at any point, electrons will cease to flow since there is no complete path for it to flow. Such a circuit is known as an open circuit.

In the circuit built by Priscilla, the battery serves as a source of energy by providing the electrons that moves round the circuit. The wires provides the path for electrons to flow from the battery through the light bulb and back to the battery. When she connected the final wire from the bulb back to the battery, the circuit becomes complete/closed and current then flows to light up the bulb.

Answer:

In guinea pigs, black coat color is a dominant trait and white is a recessive trait. When heterozygous black pigs are intercrossed the chance of the first two offspring being black is: A 75%

Explanation:

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Answer:Biotechnology is a broad area of biology, involving the use of living systems and organisms to develop or make products. Depending on the tools and applications, it often overlaps with related scientific fields

biology the laws and phenomena relating to an organism or group

Biology: The study of living organisms is called biology

Biotechnology: Application of technologies in the field of biology.

Biotechnology is a subfield of biology, which is a science. Biotechnology is the use of biology for human benefit, whereas biology is the study of living things. Biotechnology uses a variety of methods, such as the genetic engineering of bacteria, to produce industrial goods.

The anatomy of living things is what distinguishes biology from biotechnology. The anatomy and physiology of living things are the main topics of biology. Contrarily, biotechnology is concerned with technology. It has nothing to do with the least important aspects of a living thing's anatomy and physiology.

Hence, this is a detailed explanation of biology and biotechnology.

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B. Protein

Amino acids are organic compounds that combine to form proteins. Amino acids and proteins are the building blocks of life. When proteins are digested or broken down, amino acids are left. The human body uses amino acids to make proteins to help the body: Break down food.

Answer: scientists decide it according to ease of classification . As they gotta find the easier methods to classify they start to work over it

As in today's classification Domain is the highest level .

Explanation:

Answer:

Carbohydrates, lipids, proteins, and nucleic acids are 4 types of biological molecules.

Carbohydrates - Cells attach carbohydrate molecules to proteins and lipids, modifying structures to enhance functionality. The structure of carbohydrates determines how energy is stored in carbohydrate bonds during photosynthesis and how breaking these bonds releases energy during cellular respiration.

Lipids - A lipid is any of various organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.

Proteins - Proteins are linear polymers built of monomer units called amino acids. The function of a protein is directly dependent on its three dimensional structure. Remarkably, proteins spontaneously fold up into three-dimensional structures that are determined by the sequence of amino acids in the protein polymer

Nucleic Acids - Nucleic acids are macromolecules that store genetic information and enable protein production. Nucleic acids include DNA and RNA. These molecules are composed of long strands of nucleotides. Nucleotides are composed of a nitrogenous base, a five-carbon sugar, and a phosphate group.

Carbon dioxide and the sun In maritime settings, diatoms are among the most prevalent phytoplankton species. Chlorophyll and glucose are both found in diatoms, much like in plants.

The right answer is D and B.

Chlorophyll and other pigments that are light-sensitive and absorb solar energy are found in photosynthetic cells. Such cells have the capacity to transform solar energy into organic molecules with high energy content, such glucose, in the presence of carbon dioxide.

During photosynthesis, plants employ light energy to create food molecules, and during cellular respiration, they get energy from the bonds of these food molecules.

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Answer:

They are located within the chloroplasts.

Explanation:

Answer:

It is located in the stroma (an interior part of the chloroplast)

In the example shown, rooster is the conditioned stimulus, because it can trigger a conditioned response.

A stimulation that eventually causes a conditioned reaction is known as a conditioned stimulus. The ringing of the bell served as the conditioned stimulus in the experiment reported, while salivation served as the conditioned response. Remember that the neutral stimulus changes into the conditioned stimulus.

A neutral cue or event that frequently pairs with an unconditioned stimulus that naturally induces a behavior results in a conditioned stimulus, which is a neutral cue or event that causes an automatic reaction. This phrase has its roots in the classical conditioning method of learning.

Therefore, in the example shown, rooster is the conditioned stimulus, because it can trigger a conditioned response.

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Answer:

becuase if the deer over populate they will eat more that is laymans terms so yeah

Explanation:

Answer:

C

Explanation:

Cell respiration involves different steps, among which there is the oxidative phosphorilation that produces and stores ATP. The answer is the electron transporter chain.

The electron transporter chain + chemiosmosis constitute the process of oxidative phosphorylation.

Chemiosmosis refers to ATP production through a proton gradient.

The electron transporter chain is a series of molecules and proteins located in the internal mitochondrial membrane.

It constitutes a series of enzymatic reactions to release and save energy for the correct functioning of the organism.

Along the chain, there are four proteinic complexes in the membrane, I, II, III, and IV, that contain the electrons transporters and the enzymes necessary to catalyze the electrons' transference from one complex to the other.

Different redox reactions occur to pass electrons along the chain.

Released energy creates a proton concentration gradient used to synthesize ATP.

1) NADH provides electrons to the first complex, Complex I. From there, electrons go to the coenzyme Q that carries them to complex II. Meanwhile, complex I pomp four protons to the intermembrane space.

2) Complex II receives electrons from CoQ and also receives electrons from FADH2. Electrons are sent from complex II to ubiquinone Q, which carries these electrons to complex III.

3) Complex III receives electrons from ubiquinone Q and pomps protons to the intermembrane space. Electrons are transferred to Cytochrome c.

Electrons travel from cytochrome c to complex IV.

4) Complex IV is the last complex that pomps protons to the intermembrane space.

5) Electrons are sent to O₂ molecules, which also receive protons in the matrix to create water molecules. Four electrons are needed to produce two water molecules from one O₂ molecule.

The proton gradient is used to produce ATP molecules.

In conclusion, the set of proteins in the cristae of the mitochondrion, which collectively extract the energy from reduced coenzymes to form atp, are called the electron transporter chain.

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Answer:

i think is b

Explanation:

The method of making a scratch on the material. Therefore, option (D) is correct.

When comparing the hardness of solids, it is important to keep the method of making a scratch on the material the same. This ensures that the same amount of force is applied to each material and that the comparison is consistent.

Other factors, such as the intensity of the light, the amount of each substance, and the temperature of the hot plate, are not related to the hardness of the solids and would not be relevant when comparing their hardness.

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(a) The probability of a randomly chosen person having hemophilia is 0.000105.

(b) The probability that a given person with hemophilia is male is approximately 1.9.

(a) Probability that a randomly chosen person has hemophilia:

Haemophilia can affect both males and females, but we need to find the probability for both. Hence,

the probability of having hemophilia = probability that a randomly chosen person is male × probability that a male has hemophilia + probability that a randomly chosen person is female × probability that a female has hemophilia

Probability of having hemophilia in males = 2/10,000 = 0.0002

Probability of having hemophilia in females = 1/100,000 = 0.00001

Probability of a randomly chosen person is male = 0.5

Probability of a randomly chosen person is female = 0.5

Probability of having hemophilia = 0.5 × 0.0002 + 0.5 × 0.00001 = 0.000105

(b) Probability that a given person with haemophilia is a man:

From (a), we know that the probability of having hemophilia is 0.000105. Therefore, the probability that a given person with hemophilia is male is:

probability that a given person with haemophilia is a man = probability that a male has hemophilia/ probability of having hemophilia = 0.0002/0.000105 = 1.9048≈1.9 (approximately).

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The chromosomes in a cell are often grouped in pairs, from largest to smallest, in a karyotype, which is a photographic image or other depiction of the entire chromosome population.

A karyotype: what is it?

The complete question is,

How do you define a karyotype kid?

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Answer:

the rough Er because it has ribosomes on the surface

Explanation:

Answer: The rough ER sends proteins to the Golgi apparatus

Explanation:

The Golgi apparatus is considered "rough" because of the ribosomes on its outer layers. Ribosomes work with proteins, thus the rough Golgi apparatus would be the appropriate organelle.

Biologycally it is when two chromosomes switch place or sometimes break of and switch position transferring their location.

Answer:

adaptive

Explanation:

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Some species boast armature such as thorns, or spines that ward off slavering herbivores. Some are loaded with poisons to sicken or kill them. And while tomatoes may not be able to scream, as L. Ron Hubbard once claimed, some plants do emit compounds that warn their compatriots of approaching threats: the botanical equivalent of a smoke signal.

Osmosis is a type of passive transport that occurs when solvent molecules diffuse through a semi-permeable membrane from a region of lower solute concentration to a region of higher solute concentration.

The transport channels that are not directly involved in the process of osmosis are Chloride (Cl-) transport channels, glucose (C6H12O6) transport channels, and sodium (Na+) transport channels.The correct options are A, B, and C.Explanation:Chloride (Cl-) transport channels are responsible for the passage of chloride ions through the membrane.Glucose (C6H12O6) transport channels are responsible for the passage of glucose molecules through the membrane.

Sodium (Na+) transport channels are responsible for the passage of sodium ions through the membrane.Aquaporin transport channels are responsible for the passage of water molecules through the membrane.

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Answer:

the answer is B and C

Explanation:

B.The same ancestral bear species can give rise to two or more species of modern bears.

C. Each of the 8 species of modern bears may have high fitness in only some environments.

Answer:

b and c

Explanation:

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Answer:

Groundwater is fresh water (from rain or melting ice and snow) that soaks into the soil and is stored in the tiny spaces (pores) between rocks and particles of soil. Groundwater accounts for nearly 95 percent of the nation’s fresh water resources. It can stay underground for hundreds of thousands of years, or it can come to the surface and help fill rivers, streams, lakes, ponds, and wetlands. Groundwater can also come to the surface as a spring or be pumped from a well. Both of these are common ways we get groundwater to drink. About 50 percent of our municipal, domestic, and agricultural water supply is groundwater

Explanation:

On an autoclave log, eight things need to be documented: date and time, operator's name, cycle type, load contents, cycle parameters, cycle results, maintenance and calibration activities, and the signature of the person documenting. Sterile towels are used to remove the instrument pan from the autoclave to protect the operator from burns and provide a clean surface, in addition to maintaining instrument sterility.

1) Eight things that need to be documented on the autoclave log are:

2) Sterile towels are used to remove the instrument pan from the autoclave at the end of the cycle for reasons beyond simply keeping the instruments sterile.

The primary purpose of using sterile towels is to protect the operator from burns or injuries caused by direct contact with hot surfaces. Autoclaves operate at high temperatures and the instrument pan can be extremely hot after the sterilization cycle.

By using sterile towels as insulation, they provide a barrier between the hot instrument pan and the operator's hands, minimizing the risk of burns or other injuries.

Additionally, sterile towels can also provide a clean and hygienic surface to handle the instruments, preventing contamination from any external sources and maintaining the sterility of the instruments until they are ready for use.

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Answer:

We should recycle to keep our earth clean and global warming down, it's the least we can do.

Answer:

We should recycle because plastic water bottles can kill precious animals may be harmed by these plastic surroundings. Picture down below...

Explanation:"Recycling prevents the emissions of many greenhouse gases and water pollutants, and saves energy." said by go.ogle!

Answer:

C. structure of their plasma membranes

Explanation:

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To transfer the cloned normal RB1 gene into osteosarcoma cells, one can perform either transformation or transfection, which falls under the transformation/transfection bin.

To test whether osteosarcoma cells carry two RB1 genes, one can perform an immunoblot analysis, which falls under the immunoassay bin. This analysis involves separating cellular proteins based on size and charge using gel electrophoresis and detecting the presence of the RB1 protein using a specific antibody. If two bands appear, it indicates the presence of both RB1 genes.
To test whether osteosarcoma cells produce pRB protein, one can perform an immunofluorescence assay, which also falls under the immunoassay bin. This assay involves staining the cells with a specific antibody against pRB and visualizing the fluorescence signal using a microscope. If a signal is detected, it indicates the production of pRB protein.
To transfer the cloned normal RB1 gene into osteosarcoma cells, one can perform either transformation or transfection, which falls under the transformation/transfection bin. Transformation involves using a non-viral method, such as electroporation, to introduce the gene into the cell, while transfection involves using a viral vector to deliver the gene. The success of gene transfer can be confirmed using PCR or sequencing. To determine if the addition of a normal RB1 gene will change the cancer-causing potential of osteosarcoma cells mutations, one can perform a genomic library screening using labeled probes, which falls under the genomic library screening bin. This involves screening a library of genomic DNA from the osteosarcoma cells with a labeled probe specific to the RB1 gene. The presence or absence of mutations in the RB1 gene can be detected based on the hybridization signal.

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The statement "its postganglionic axons always use acetylcholine as the neurotransmitter" is true only for the parasympathetic nervous system.

The parasympathetic nervous system NS can be defined as an interconnected network of nerve fibers that can be activated in diverse body reactions such as in presence of stressful and dangerous situations.

This system (parasympathetic nervous system NS) is composed of the craniosacral components of the nerve system that connect with the peripheral tissue. i.e., the parasympathetic nervous system consists of the diverse nerves originating from the brain area or the sacral area located in the spinal cord.

Therefore, with this data, we can see that the parasympathetic nervous system NS is composed of networks of nerve fibers that are able to reproduce concomitant responses during stress and danger.

Complete question:

Fill in the blank. The statement "its postganglionic axons always use acetylcholine as the neurotransmitter" is true only for the _______ NS

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Answer:

A

Explanation: